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MINIDISC RECORDER
vC¿Û.?
DISC LOADING MECHANISM 0 EJECT
REC/PLAY MODE
DIGITAL REC LEVEL 4 ¢ EDIT/NO NAME 3 2 1 PUSH ENTER
ANALOG REC LEVEL 5 4 6 7 8 9 0 10
TIMER REC OFF PLAY POWER INPUT SELECTOR DAC MODE
! #
/
SYNCHRO REC
¶ &
PHONES
LEVEL
ORDER NO.
OFF - ON
DIGITAL NR
AB
NAME CLIP
DISPLAY /CHARA
*
MIN
MAX
RRV2144
MINIDISC RECORDER
MJ-D508
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
KUXJ MYXJ MYXJGR/FR NVXJ
Model Power Requirement MJ-D508 Remarks
AC120V AC220230V AC220230V AC230V
CONTENTS
1. SAFETY INFORMATION .................................... 2 2. EXPLODED VIEWS AND PARTS LIST ............. 4 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....................................................... 12 4. PCB CONNECTION DIAGRAM ....................... 28 5. PCB PARTS LIST ............................................. 37 6. ADJUSTMENT .................................................. 41 7. GENERAL INFORMATION .............................. 49 7.1 DIAGNOSIS ................................................ 49 7.1.1 TROUBLESHOOTING ...................... 49 7.1.2 DISASSEMBLY ................................. 52 7.2 PARTS ....................................................... 55 7.2.1 IC ....................................................... 45 7.2.2 DISPLAY ........................................... 66 8. PANEL FACILITIES AND SPECIFICATIONS ....................................................... 68
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V . Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1999 TZZE MAY 1999 Printed in Japan
MJ-D508
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician.
WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 Proposition 65
NOTICE (FOR CANADIAN MODEL ONLY) Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts must be of identical designation. REMARQUE (POUR MODÈLE CANADIEN SEULEMENT) Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que les pièces de remplacement doivent avoir la même désignation.
(FOR USA MODEL ONLY) 1. SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester such as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). Plug the AC line cord of the appliance directly into a 120V AC 60 Hz outlet and turn the AC power switch on. Any current measured must not exceed 0.5 mA.
ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. 2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance have special safety related characteristics. These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this Service Manual. Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual. The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Product Safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current PIONEER Service Manual. A subscription to, or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER.
Device under test Test all exposed metal surfaces
Leakage current tester
Reading should not be above 0.5 mA
Also test with plug reversed (Using AC adapter plug as required)
Earth ground
AC Leakage Test
2
MJ-D508
IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS SHOULD BE DONE BY A SPECIALLY INSTRUCTED PERSON.
LASER DIODE CHARACTERISTICS MAXIMUM OUTPUT POWER: 27.4 mW WAVELENGTH: 785 nm
LABEL CHECK
MYXJ and MYXJGR/FR types
Additional Laser Caution
Control method of the current through a laser diode. The resistor R105 on the CORD MAIN UNIT ASSY (For MD mechanism assembly) are for the limiting of current through a laser diode. Control method of the laser output power The laser pick-up assembly provide the photo-diodes and APC (Auto Power Control) circuit. The photo-diode detect output of the laser diode then IC104 control the APC circuit according to the signal voltage of the photo-diode via IC101. The Variable resistancer on the FPC in the Laser pick-up assembly can be adjusted the output level of Laser diode to fix the rated output level. Laser Interlock Switch The loading position detect switch S101 is set to " LOAD ON " (ON: low level, OFF: high level) position, IC104 get the " LOAD " signal, and hand the laser " LDON " signal to No. 9 terminal (LDON) of the Laser pick-up assembly. Then a laser diode can be lighted exept when the level of signal "LOAD " is low.
MYXJ and MYXJGR/FR types
NVXJ type
Refer to page 42.
3
MJ-D508
2. EXPLODED VIEWS AND PARTS LIST
NOTES : Parts marked by " NSP " are generally unavailable because they are not in our Master Spare Parts List. The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. Screw adjacent to mark on the product are used for disassembly.
2.1 PACKING
6
5
RAN DOM REPE AT HI-LI TE PGM CHE CK MED DISP LEY FAD /
ER
1 2 4 5 6
/NO
CLEA R
3
CHA RA EDIT
REC
!
CUR SOR
SYN CHR REC O A B ENTE R
!
&
*
$
#
$
9
7 8 10 16 (MYXJ, MYXJGR/FR and NVXJ types only)
2 (2/2) 11 (KUXJ, MYXJ and NVXJ types only) 2 (1/2) 12 (MYXJ and MYXJGR/FR types only) 13 14 15 MYXJ type only
4
1 (2/2)
1 (1/2)
NVXJ type only
1 (1/2) 2 (1/2)
Front
1 (2/2)
17
18 3 2 (2/2)
3
4
MJ-D508
Accessories
Remote control unit CU-MJ016 (PWW1157)
EDIT/NO A B C D E F
White Stereo Audio cord x 2 (RDE1036) (L = 1m) Red
1
NAME G H I
2
J K L
3
M N O
4
NAME CLIP PQRS
5
T U V
6
WXYZ
7
FADER
8
MARK
9
10
SYNCHRO REC
10/0
>10
DISP/CHARA
#
$
REC
ENTER
$
&
A B CURSOR
*
TIME SKIP
!
REPEAT
!
HI-LITE
RANDOM MEDLEY
PROGRAM CHECK
CLEAR
MINIDISC RECORDER REMOTE CONTROL UNIT
Î
Optical digital cord x 1 (MYXJ, MYXJGR/FR and NVXJ types only) (ADE7021) (L = 0.8m)
Batteries (AA/R6P) x 2 (VEM013)
Other included items
÷ Warranty card (ARY7023: KUXJ type) (ARY7022: MYXJ, MYXJGR/FR and NVXJ types) ÷ Operating Instructions (PRB1285: KUXJ, MYXJ, MYXJGR/FR and NVXJ types) (PRD1044: MYXJ and MYXJGR/FR types) (PRD1045: MYXJ type) (PRD1046: MYXJ type) (PRD1058: MYXJ type)
(1) PACKING PARTS LIST
Mark No.
1 2 3 4 5 6 7 8 9 10
Description
Protector (F) Protector (R) Packing Case Sheet (750 × 600 × 0.5) Stereo Audio Cord (L= 1m) Remote Control Unit (CU-MJ016) Battery Cover Batteries (AA/R6P) Polyethylene Bag (0.03 × 230 × 340) Warranty Card
Part No.
PHA1339 PHA1340 See Contrast table (2) Z23007 RDE1036 PWW1157 RZN1156 VEM013 Z21038 See Contrast table (2)
Mark No.
11 12 13 14 15 16 17 18
Description
Operating Instructions Operating Instructions Operating Instructions Operating Instructions Operating Instructions Optical Digital Cord V Spacer Vinyl Bag
Part No.
See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2)
NSP
NSP
(2) CONTRAST TABLE
MJ-D508/KUXJ, MYXJ, MYXJGR/FR and NVXJ are constructed the same except for the following:
Part No. Mark No. Symbol and Description KUXJ
3 10 11 12 13 14 15 16 17 18 Packing Case Warranty Card Operating Instructions (English) Operating Instructions (French/German) Operating Instructions (Italian/Dutch) Operating Instructions (Spanish) Operating Instructions (Portuguese/Swedish) Optical Digital Cord (L= 0.8m) V Spacer Vinyl Bag PHG2386 ARY7023 PRB1285 not used not used not used not used not used not used not used
MJ-D508 MYXJ MYXJGR/FR
PHG2387 ARY7022 PRB1285 PRD1044 PRD1045 PRD1046 PRD1058 ADE7021 not used not used PHG2387 ARY7022 not used PRD1044 not used not used not used ADE7021 not used not used
Remarks NVXJ
PHG2364 ARY7022 PRB1285 not used not used not used not used ADE7021 PHC1092 Z21-013
NSP
5
MJ-D508
2.2 EXTERIOR
3
22
17
20
KUXJ type only 29 NVXJ type only 21 MYXJ and MYXJGR/FR types only 21 20 14
NVXJ type only 9
28 21 3 26 27 21
21
9 Refer to "2.4 MD MECHANISM ASSY".
5
16
10 24 21 4 25 10 24
B
21
C
12
21
23
A
CN401 CN404
CN603 CN602
7
11 21 15 1 21
D
2 23 Except KUXJ type 8
C B
13 18
21
A
21 Refer to "2.3 FRONT PANEL SECTION".
D
18
21 19 21
21
6
MJ-D508
(1) EXTERIOR PARTS LIST
Mark No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Description
MAIN UNIT ASSY POWER SUPPLY UNIT ASSY Power Cord Cord Stopper Lead Card 30P ········ Power Transformer PCB Holder Float Screw Float Rubber Rear Panel Mecha Angle Under Base Shield Case Locking Card Spacer MD Mechanism Assy Bonnet Insulator POWER Button (POWER) Screw
Part No.
See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2) RDD1402
Mark No.
21 22 23 24 25 26 27 28 29
Description
Screw Screw Binder Screw UL Vinyl Tube Caution Label Caution Label Caution Label Fuse
Part No.
IBZ30P060FCC IBZ30P080FCC ZCA-SKB90BK RBA1132 ZUA-AH6-9R5 See Contrast table (2) See Contrast table (2) See Contrast table (2) See Contrast table (2)
NSP
NSP
See Contrast table (2) PNW2100 RBA1133 REB1328 See Contrast table (2) PNB1600 PNA2490 See Contrast table (2) PNW2917 RXA1777 PYY1271 PNW2766 PAC1941 FBT40P080FZK
NSP NSP
(2) CONTRAST TABLE
MJ-D508/KUXJ, MYXJ, MYXJGR/FR and NVXJ are constructed the same except for the following:
Part No. Mark No. Symbol and Description KUXJ
1 2 3 4 7 7 11 14 26 27 28 29 MAIN UNIT ASSY POWER SUPPLY UNIT ASSY Power Cord Cord Stopper Power Transformer (AC120V) Power Transformer (AC220-230V) Rear Panel Shield Case Caution Label Caution Label Caution Label Fuse (5A) RWZ4354 RWZ4358 PDG1064 CM-22C RTT1346 not used PNA2478 PNB1606 not used not used not used not used
MJ-D508 MYXJ MYXJGR/FR
RWZ4359 RWZ4363 PDG1058 CM-22B not used RTT1347 PNA2479 not used PRW1233 VRW1094 not used not used RWZ4359 RWZ4363 PDG1058 CM-22B not used RTT1347 PNA2479 not used PRW1233 VRW1094 not used not used
Remarks NVXJ
RWZ4359 RWZ4363 PDG1055 CM-22B not used RTT1347 PNA2480 not used not used not used PRW1018 PEK1003
7
MJ-D508
2.3 FRONT PANEL SECTION
22 2 23 24 21
4 (1/3) 19 22 18 5
A
11 22 20 4 (2/3) 16 6 3
B
22
B
17 22
A
1 4 (3/3) 8 15 10 9
12 7 13 14
8
MJ-D508
(1) FRONT PANEL SECTION PARTS LIST
Mark No.
NSP NSP 1 2 3 4
Description
DISPLAY UNIT ASSY VOLUME UNIT ASSY HEADPHONE UNIT ASSY EDIT Button (EDIT/NO, NANE, 0 EJECT, TIMER REC/OFF/PLAY) PLAY Button (REC/PLAY MODE, 3, 8, 7)
Part No.
See Contrast table (2) See Contrast table (2) See Contrast table (2) PAC1927
5
PAC1929
6 7
8 9 10
REC Button PAC1931 (1, ¡, SYNCHRO REC, ¶) A-B Button PAC1933 (DIGITAL NR, A-B, NAME CLIP, DISPLAY/CHARA) MODE Button PAC1935 (INPUT SELECTOR, DAC MODE) VOL Knob PAC1938 (ANALOG REC LEVEL) JOG Knob PAC1939 (DIGITAL REC LEVEL, 4, ¢, ENTER) Knob (LEVEL) Display Window Name Plate Front Panel Sub Panel Door D508 Door Spring Edge Guard Door Cam Door Holder Screw Screw Lead Card 30P Acetate Cloth Tape PAC1707 See Contrast table (2) PAM1776 See Contrast table (2) PNW2895 PNW2905 PBH1231 PBK1151 PNW2898 PNW2899 ABA7009 PPZ30P100FMC RDD1404 ZTA-570F-21BK
11 12 13 14 15 16 17 18 19 20 21 22 23 24
NSP
(2) CONTRAST TABLE
MJ-D508/KUXJ, MYXJ, MYXJGR/FR and NVXJ are constructed the same except for the following:
Mark No. Symbol and Description KUXJ
1 2 3 12 14 DISPLAY UNIT ASSY VOLUME UNIT ASSY HEADPHONE UNIT ASSY Display Window Front Panel RWZ4355 RWZ4356 RWZ4357 PAM1788 PNW2892
Part No. MJ-D508 MYXJ MYXJGR/FR
RWZ4360 RWZ4361 RWZ4362 PAM1787 PNW2904 RWZ4360 RWZ4361 RWZ4362 PAM1787 PNW2904
Remarks NVXJ
RWZ4360 RWZ4361 RWZ4362 PAM1787 PNW2904
NSP NSP
9
MJ-D508 2.4 MD MECHANISM ASSY
18 21 19 20 6 37
E
4 51 9
17
A
54 52
53
10
12 8 37
E F
5
G
41 16 35
37 13 14 24
15 40 26 40
F
11
B
27
36
C
25 39 29 39
31 34 44 46 33 28 32 42 23
H
40
30
H
38 43
B
CN102
1
40 2 48 49 50 45
A G
CN105
47
CN101
C
D
3 54
CN103
D
10
MJ-D508
MD MECHANISM ASSY PARTS LIST
Mark No.
NSP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Description
CORE MAIN UNIT ASSY CORE SW UNIT ASSY Lead Card 7P Lead Wire Lever Spring Clamp Spring 1 ········ Loading Belt Lock Plate Loading Base Under Slider Gear Pulley Drive Gear Clutch Gear Flip Disk SW Lever Shutter Assy Upper Slider Assy Eject Spring Upper Slider Carrier ········ Spindle Spring Lifter Spring Screw Guide S. H. Spring Guide Shaft Lead Screw Shield Case Reference Plate S. Holder Worm Wheel Hook Head Lifter MD Head MD Pick-up Screw Screw Screw Screw
Part No.
RWZ4334 RWZ4335 RDD1403 RKP1814 RBH1463 RBK1074 REB1329 RNE1949 RNK2323 RNK2314 RNK2316 RNK2317 RNK2318 RNK2319 RNK2320 RXA1774 RXA1782 RBH1461 RNK2324 RNK2315 RBH1460 RBH1462 RBK1072 RBK1073 RLA1312 RLA1311 RNE1950 RNK2306 RNK2307 RNK2309 RNK2310 RNK2311 RPB1063 RWY1019 Z39-019 JFZ17P020FZK JGZ14P020FMC JGZ17P028FMC
Mark No.
41 42 43 44 45 46 47 48 49 50 51 52 53 54
Description
Screw Screw Servo Base Assy Clamp Magnet Servo Base Disc Table Spindle Motor Carriage Motor Assy Worm Carriage Motor Loading Motor Assy DC Motor /0.75W CA Pulley Screw
Part No.
JGZ17P040FMC PMB20P040FMC REA1283 RMF1002 RNE1946 RNK2305 RXM1091 REA1284 RNK2308 RXM1090 REA1290 PXM1010 RNK2322 BPZ20P080FMC
NSP NSP NSP NSP
NSP
NSP
11
1
2
3
4
MJ-D508
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
A
3.1 BLOCK DIAGRAM
D
POWER SUPPLY UNIT ASSY
(RWZ4358 : KUXJ) (RWZ4363 : MYXJ, MYXJGR/FR, NVXJ)
S201
SIGNAL ROUTE
: PLAYBACK SIGNAL : REC SIGNAL
POWER CORD
KU MY, NV
D201
: OUTPUT DIGITAL AUDIO SIGNAL : INPUT DIGITAL AUDIO SIGNAL : RF SIGNAL
POWER TRANSFORMER D203
IC202 NJM7805FA
B
REC HEAD
17 HEAD DRIVER 7 (IC116) 15 BD7910FV
EFM
A
CORE MAIN UNIT ASSY
(RWZ4334)
DOUT DIN
13 PICKUP 16 ASSY 17 21
4MDRAM (IC103) M5M4V4400CTP-7
15, 912, 1418, 2225
SPINDLE MOTOR
SLED MOTOR (CARRIAGE)
2528 2 40 4 3
EFMO EFMO EFMI FODF FODR TRDF
2629, 3237, 3946 50 3 18 19 20 21 22 23 24 25
67 66
DADATA ADDATA
74 73
RFAMP (IC101) IR3R55M
20
TRDR SLDF SLDR
C
1
23 7
ENC/DEC + DIGITAL SERVO (IC102) LR376487
SPDF SPDR
3 2
LOADING MOTOR
16 15 31 DRIVER 6 (IC106) 25 M56758FP 26 31 37 30 24 23 13 9 12 8
FODF
FODR TRDF TRDR SLDF SLDR
DIFFERENTIAL AMP (IC112) BA4510F
8286, 89100
64, 65
X'tal (X101) 33.8688MHz
15, 18, 19, 29, 40, 80, 4454
LD+ LD-
27 28 57 59 92
DSCK
29 28 35 34
MECHA CONTROL µCOM (IC104) PD5523A
37 34 35 36 12 25
DSTB MDDATA SYSDATA RESET PDOWN
SW1
INSIDE SW (S701) LOAD SW (S101)
DISC
23 89 1 90 3133, 55 36 EEPROM (IC110) BR93LC56F
PLOAD
D
DISC SW (S702) LOAD SW (S102)
RLOAD
B
CORE SW UNIT ASSY
(RWZ4335)
12
1 2 3 4
5
6
7
8
MJ-D508
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
(RWZ4361 : MYXJ, MYXJGR/FR, NVXJ)
A
AC1 AC2
C ( C 1/2, C 2/2 ) MAIN UNIT ASSY (RWZ4354 : KUXJ)
(RWZ4359 : MYXJ, MYXJGR/FR, NVXJ)
OPTICAL OUT INPUT 4 SELECTOR (IC404) TC74HC153AF 6 14 2
DIN0 DIN1
DIN
7
OPTICAL IN 1
VM+5
BUFFER (3V5V CONVERTER) (IC401) TC74HCT08AF
13 11
DADATA
SRAM (IC605) BR62256F-70LL 119, 2128
COAXIAL IN
42, 4570 20 94 92
LIN+ RIN+
INPUT AMP (IC601) NJM2100D
1 3
J801
INPUT VOLUME (VR801)
ADDATA XPD
19
7 SYSRST 8 XCS 31 XWRQ 32
A/D, D/A (in DSP) (IC602) AK7712A-VQ
85 LOUT 84 ROUT
VOLUME UNIT ASSY (RWZ4356 : KUXJ)
G
B
7
5
35 39 36
XSCLK SO SI
LINE IN Lch L.P.F (IC603) NJM4588DD
3 1
LINE IN Rch
BUFFER (3V5V CONVERTER) (IC402) TC74HCT08AF
13 11
LINE OUT Lch
5
7
LINE OUT Rch HEADPHONE AMP (IC604) BA15218
3 1
C
HEADPHONE OUT
5
7
F
14 15 17 18 19 20 21 22 23 24 25 26 27 35 36
HEADPHONE UNIT ASSY
(RWZ4357 : KUXJ) (RWZ4362 : MYXJ, MYXJGR/FR, NVXJ)
D
SYSTEM CONTROL µCOM (IC701) PDG240A
7, 9, 29, 3234
E
DISPLAY UNIT ASSY
KEY
(RWZ4355 : KUXJ) (RWZ4360 : MYXJ, MYXJGR/FR, NVXJ)
13
5 6 7 8
1
2
3
4
MJ-D508 3.2 CORE MAIN UNIT and CORE SW UNIT ASSYS
A
A
CORE MAIN UNIT ASSY
(RWZ4334)
1 2 3
B
CN101 CN102
C
(CARRIAGE)
CN701
CN105
PICKUP ASSY
10 11
CN103
8
CORE SW UNIT ASSY
(RWZ4335)
9
D
B
14
A B
1 2 3 4
5
6
7 SIGNAL ROUTE
: PLAYBACK SIGNAL
8
MJ-D508
¶ 1 - are waveform numbers on pages 26 and 27.
: REC SIGNAL : OUTPUT DIGITAL AUDIO SIGNAL : INPUT DIGITAL AUDIO SIGNAL
6 5
: RF SIGNAL
A
4
B
C
CN104
C
CN401
D
A
5 6 7 8
15
MJ-D508
Voltages of CORE MAIN UNIT ASSY
IC101 PIN VOLTAGE NO. 1 0.78V 2 0.73V 3 0.77V 4 0.75V 5 1.61V 6 1.61V 7 0.75V 8 1.61V 9 1.61V 10 1.61V 11 1.61V 12 1.61V 13 3.19V 14 3.19V 15 0V 16 0V 17 3.19V 18 0V 19 0V 20 1.5V 21 3.2V 22 0V 23 0V 24 3.19V 25 2.0V 26 0V 27 1.40V 28 1.42V 29 1.40V 30 1.63V 31 1.61V 32 1.61V 33 0V 34 0V 35 0V 36 1.62V 37 0.59V 38 1.61V 39 1.61V 40 1.61V 41 1.61V 42 3.19V 43 0V 44 1.08V 45 1.61V 46 1.61V 47 0V 48 0.74V IC102 PIN VOLTAGE PIN VOLTAGE NO. NO. 1 1.53V 51 1.59V 2 3.18V 52 0V 3 1.65V 53 0V 4 0V 54 1.59V 5 1.42V 55 0V 6 0V 56 0V 7 1.59V 57 0V 8 1.41V 58 0V 9 1.97V 59 0V 60 0V 10 1.39V 61 0.56V 11 1.64V 62 3.18V 12 3.18V 63 0V 13 0V 64 1.5V 14 0V 65 1.5V 15 0V 66 3.2V 16 0V 17 1.69V 67 1.6V 18 1.52V 68 0V 19 1.70V 69 0V 20 1.47V 70 1.6V 21 1.47V 71 1.6V 22 1.65V 72 1.48V 23 1.54V 73 0V 24 1.69V 74 0V 25 1.51V 75 1.68V 26 0.82V 76 1.82V 27 2.0V 77 1.59V 28 2.0V 78 0.35V 29 1.81V 79 0.02V 30 1.4V 80 3.2V 31 0.82V 81 3.2V 32 1.67V 82 0.02V 33 1.67V 83 0.03V 34 1.67V 84 1.9V 35 2.86V 85 1.56V 36 1.32V 86 3.1V 37 2.23V 87 3.2V 38 0V 88 0V 39 2.4V 89 3.19V 40 1.2V 90 1.4V 41 1.5V 91 1.4V 42 0V 92 1.4V 43 2.0V 93 0.8V 44 3.0V 94 1.5V 45 1.2V 95 1.4V 46 1.2V 96 1.5V 47 0.02V 97 1.3V 48 3.04V 98 3.2V 49 1.57V 99 3.2V 50 0.05V 100 0V IC103 PIN VOLTAGE NO. 1 1.2V 2 1.2V 3 3.0V 4 2.0V 5 0V 9 2.23V 10 1.32V 11 2.86V 12 1.67V 13 3.18V 14 1.67V 15 1.67V 16 1.67V 17 2.86V 18 1.32V 22 2.23V 23 2.4V 24 1.2V 25 1.5V 26 0V IC104 PIN VOLTAGE PIN VOLTAGE NO. NO. 1 3.2V 51 0.8V 2 0V 52 1.4V 3 0V 53 1.4V 4 0V 54 1.4V 5 0V 55 0V 6 0V 56 0V 7 0V 57 0V 8 0V 58 0V 9 0V 59 3.2V 10 0V 60 0V 11 0V 61 0V 62 3.2V 12 3.1V 63 0V 13 1.5V 64 0V 14 0V 15 1.5V 65 3.2V 16 3.2V 66 0V 17 3.2V 67 0V 18 3.1V 68 0V 19 0V 69 0V 20 0V 70 0V 21 0V 71 0V 22 3.2V 72 3.1V 23 3.2V 73 3.2V 24 0V 74 0V 25 3.2V 75 0V 26 3.2V 76 3.2V 27 0V 77 0V 28 0V 78 0V 29 2.4V 79 0V 30 0V 80 3.2V 31 0V 81 0V 32 0V 82 0V 33 0V 83 0V 34 1.6V 84 3.19V 35 1.0V 85 0V 36 0V 86 3.18V 37 2.8V 87 3.2V 38 0V 88 0V 39 0V 89 2.2V 40 0V 90 1.2V 41 3.19V 91 0.56V 42 3.2V 92 1.49V 43 0V 93 2.5V 44 0V 94 0.88V 45 3.2V 95 0.90V 46 3.2V 96 0V 47 1.3V 97 0.87V 48 1.5V 98 3.2V 49 1.4V 99 3.2V 50 1.5V 100 0V
16
MJ-D508
IC106 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 VOLTAGE
1.6V 0.49V 1.61V 4.99V 4.99V 1.61V 1.62V 2.46V 2.51V 0V 0V 2.54V 2.45V 1.62V 1.62V 1.61V 3.17V 0V 1.61V 1.61V 1.61V 1.61V 1.36V 1.36V 1.61V 1.61V 1.63V 2.41V 2.55V 2.47V 2.48V 0V 0V 2.79V 2.18V 0V 1.69V 5.0V 4.99V 1.67V 1.69V 1.69V
IC109 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VOLTAGE
2.77V 2.77V 3.2V 1.58V 1.58V 1.56V 0V 0V 0V 0V 0V 0V 0V 3.2V
IC110 PIN NO. 1 2 3 4 5 6 7 8 VOLTAGE
0V 3.2V 0V 3.2V 0V 0.11V 0V 0V
IC112 PIN NO. 1 2 3 4 5 6 7 8 VOLTAGE
1.66V 1.62V 1.62V 0V 1.67V 1.67V 1.67V 3.19V
IC113 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VOLTAGE
4.95V 3.96V 0V 0V 0V 0V 0V 0V 4.94V 4.12V 3.19V 0V 0V 4.94V
IC114 PIN NO. 1 2 3 4 5 VOLTAGE
0V 4.19V 3.21V 2.81V 0V
IC116 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VOLTAGE
4.98V 0V 0V 4.99V 3.2V 0V 0.03V 3.18V 0V 0V 0V 0.22V 0V 0.25V 0.25V 2.82V 0.16V 4.94V 2.82V 1.33V
17
1
2
3
4
MJ-D508
A
3.3 MAIN UNIT (1/2) and POWER SUPPLY UNIT ASSYS
G
J704
C633, C634, C549, C550 : 220p (CH)
: The power supply is shown with the marked box.
JA601 : RKB1032
CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. 49102.5 MFD. BY LITTELFUSE INC. FOR IC201(AEK7014).
B
D
POWER SUPPLY UNIT ASSY
(RWZ4358 : KUXJ) (RWZ4363 : MYXJ, MYXJGR/FR, NVXJ)
POWER CORD KUXJ : PDG1064 120V/60Hz MYXJ, MYXJ/GR/FR : PDG1058 220V/50Hz NVXJ : PDG1055 230V/50Hz
LA
C
S201 : POWER
2.5A
D
18
C
1 2 3 4
RTT1346
5
6
7
8
MJ-D508
¶ % is waveform number on page 27.
C 1/2 MAIN UNIT ASSY (1/2) (RWZ4354 : KUXJ)
(RWZ4359 : MYXJ, MYXJGR/FR, NVXJ)
SIGNAL ROUTE
: PLAYBACK SIGNAL : REC SIGNAL
A
18
JA601 : RKB1034
B
400mA
C
F
J901
400mA
CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. 491.400 MFD. BY LITTELFUSE INC. FOR IC301 AND IC305(AEK7004).
D
5
6
7
C
8
19
1
2
3
4
MJ-D508 3.4 MAIN UNIT ASSY (2/2)
A
17
B
13 15 12 14 16
C
D
E
20
CN701
C
1 2 3 4
5
6
7
8
MJ-D508
¶ = $ are waveform numbers on page 27.
C 2/2 MAIN UNIT ASSY (2/2) (RWZ4354 : KUXJ)
(RWZ4359 : MYXJ, MYXJGR/FR, NVXJ)
SIGNAL ROUTE
: PLAYBACK SIGNAL : REC SIGNAL : OUTPUT DIGITAL AUDIO SIGNAL : INPUT DIGITAL AUDIO SIGNAL
A
B
RKB1049
C
MYXJ, MYXJGR/FR, NVXJ types only KUXJ type only
D
A
5 6
CN104
7
C
8
21
1
2
3
4
MJ-D508 3.5 DISPLAY UNIT, HEADPHONE UNIT and VOLUME UNIT ASSYS
100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k
A
B
C
CN404
C
D
E
22
1
DISPLAY UNIT ASSY
(RWZ4355 : KUXJ) (RWZ4360 : MYXJ MYXJGR/FR NVXJ)
2 3 4
5
6
7
8
MJ-D508
F
HEADPHONE UNIT ASSY
(RWZ4357 : KUXJ) (RWZ4362 : MYXJ, MYXJGR/FR, NVXJ)
RCV1123
A
VR901 : (HEADPHONE) LEVEL
C
CN602
C904, C905, C907 : 0.1 (YF)
B
G
VOLUME UNIT ASSY
(RWZ4356 : KUXJ) (RWZ4361 : MYXJ, MYXJGR/FR, NVXJ)
VR801 : ANALOG REC LEVEL
C
CN603
C
S701 : DIGITAL REC LEVEL (ENTER) S702 : NAME S703 : 0 EJECT S704 : REC/PLAY MODE S705 : EDIT/NO S706 : 1 S707 : SYNCHRO REC S708 : ¡ S709 : ¶ S710 : 7
S711 : 8 S712 : 3 S713 : DISPLAY/CHARA S714 : NAME CLIP S715 : A-B S716 : DIGITAL NR S717 : INPUT SELECTOR S718 : DAC MODE S719 : TIMER (REC/OFF/PLAY)
D
23
5 6 7 8
MJ-D508
Voltages of MAIN UNIT ASSY (1kHz, 0dB, PLAY)
IC401 PIN VOLTAGE NO. 3.1V 1 3.1V 2 5.0V 3 4 5 6 7 8 9 10 11 12 13 14
0.0V 1.9V (REC) 0.0V 1.9V (REC) 0.0V 1.7V (REC) 0V 2.5V 1.6V 1.6V 1.6V 1.0V 1.0V 5.0V
IC402 PIN VOLTAGE NO. 0V 1 0V 2 0V 3 1.5V 4 1.5V 5 2.5V 6 0V 7 2.5V 8 1.6V 9 10 1.6V 11 1.6V 12 1.0V 13 1.0V 14 5.0V
IC403 PIN VOLTAGE NO. 2.5V 1 2.5V 2 2.5V 3 3.5V 4 0V 5 5.0V 6 0V 7 5.0V 8 0.0V 9 10 5.0V 11 0V 12 5.0V 13 0.0V 14 5.0V
IC404 PIN VOLTAGE NO. 0V 1 5.0V 2 5.0V 3 5.0V 4 5.0V 5 3.5V 6 5.0V 7 0V 8 0V 9 10 0V 11 0V 12 0V 13 0V 14 5.0V 15 0V 16 5.0V IC603 PIN VOLTAGE NO. 1 0V 2 0V 3 0V 4 10.5V 5 0V 6 0V 7 0V 8 9.4V
IC407 PIN VOLTAGE NO. 2.5V 1 2.7V 2 5.0V 3 2.7V 4 1.8V 5 0V 6 0V 7 5.0V 8 0V 9 10 2.2V 11 5.0V 12 5.0V 13 5.0V 14 5.0V 15 5.0V 16 5.0V
IC601 PIN VOLTAGE NO. 1 2.5V 2 2.5V 3 2.5V 4 0V 5 2.5V 6 2.5V 7 2.5V 8 5.0V
IC604 PIN VOLTAGE NO. 1 0V 2 0V 3 0V 4 10.1V 5 0V 6 0V 7 0V 8 9.0V
IC605 PIN VOLTAGE NO. 1 2.5V 2 2.5V 3 2.5V 4 2.5V 5 2.5V 6 2.5V 7 2.5V 8 2.5V 9 2.5V 10 4.8V 11 2.5V 12 2.5V 13 2.5V 14 0V 15 2.5V 16 2.5V 17 2.5V 18 2.5V 19 2.5V 20 0V 21 2.5V 22 0.5V 23 2.5V 24 2.5V 25 2.5V 26 2.5V 27 4.9V 28 5.0V
IC602 PIN VOLTAGE PIN VOLTAGE NO. NO. 1 0V 51 0V 2 0V 52 5.0V 3 0V 53 2.5V 4 0V 54 2.5V 5 0V 55 2.5V 6 0V 56 2.5V 7 5.0V 57 2.5V 8 5.0V 58 2.5V 9 0V 59 2.5V 10 0V 60 2.5V 11 0V 61 2.5V 62 2.5V 12 5.0V 63 2.5V 13 0V 64 2.5V 14 0V 15 0V 65 2.5V 16 0V 66 2.5V 17 0V 67 2.5V 18 0V 68 2.5V 0V 69 2.5V 19 1.9V (REC) 70 2.5V 20 1.6V 71 0V 21 0V 72 5.0V 22 2.5V 73 5.0V 23 2.5V 74 0V 24 0V 75 5.0V 25 5.0V 76 0.0V 26 0V 77 5.0V 27 0V 78 5.0V 28 2.2V 79 5.0V 29 2.7V 80 0V 30 5.0V 81 5.0V 31 0.0V 82 2.5V 32 5.0V 83 2.5V 33 0V 84 2.5V 34 5.0V 85 2.5V 35 5.0V 86 0V 36 0.0V 87 0V 37 5.0V 88 5.02V 38 5.0V 89 5.02V 39 0.0V 90 5.02V 40 4.7V 91 2.5V 41 0.0V 92 2.5V 42 4.9V 93 2.5V 43 2.5V 94 2.5V 44 2.5V 95 2.5V 45 2.5V 96 0V 46 2.5V 97 0V 47 2.5V 98 5.0V 48 2.5V 99 5.0V 49 2.5V 100 5.0V 50 2.5V
24
MJ-D508
Voltages of DISPLAY UNIT ASSY
PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 IC701 PIN NO. 28.0V 51 28.0V 52 5.0V 53 0V 54 5.0V 55 0.6V 56 5.0V 57 4.9V 58 5.0V 59 0V 60 0.0V 61 0.0V 62 5.0V 63 4.9V 64 4.9V 65 0.0V 66 5.0V 67 5.0V 68 0.1V 69 4.9V 70 2.5V 71 4.6V 72 1.5V 73 0V 74 4.9V 75 2.5V 76 1.6V 77 5.0V 78 5.0V 79 5.0V 80 2.5V 81 5.0V 82 4.2V 83 5.0V 84 5.0V 85 5.0V 86 87 0V 88 5.0V 89 2.3V 90 2.6V 91 0V 92 5.0V 93 0V 94 5.0V Entire FL not lit 30.5V 95 96 Entire FL lit 26.3V 97 0V 98 0V 99 0V 0V 100 VOLTAGE
Entire FL not lit 30.7V Entire FL lit 5.0V
VOLTAGE
Entire FL not lit 30.7V Entire FL lit 5.0V
30.4V Entire FL not lit 28.9V Entire FL lit 24.4V 5.0V
Entire FL not lit 28.9V Entire FL lit 24.4V
25
MJ-D508
Waveforms
Note: The encircled numbers denote measuring point in the schematic diagram and the PCB connection diagram.
1
IC101-pin35 (ADIPO)
(CORE MAIN UNIT ASSY) MODE: PLAY DISC: GGF1328 (MMD212)
DC500mV/div., 10 µSec/div.
2
IC101-pin30 (WBO)
(CORE MAIN UNIT ASSY) MODE: PLAY DISC: GGF1328 (MMD212)
DC1V/div., 10 µSec/div.
3
IC102-pin1 (EFM MON)
(CORE MAIN UNIT ASSY) MODE: PLAY DISC: TGTS1 or MMD110
DC500mV/div., 0.5mSec/div.
GND GND GND
4
IC102-pin50 (EFMO)
(CORE MAIN UNIT ASSY) MODE: REC DISC: GGF1328 (MMD212)
DC1V/div., 0.2 µSec/div.
5
IC102-pin75 (FE MON)
(CORE MAIN UNIT ASSY) MODE: PLAY DISC: TGTS1 or MMD110
DC100mV/div., 2mSec/div.
Measurement Method
39 k
FE MON
To Oscilloscope
820pF
GND GND
REFO (MD Mechanism Assy TP)
6
IC102-pin77 (TE MON)
(CORE MAIN UNIT ASSY) MODE: PLAY DISC: TGTS1 or MMD110
DC500mV/div., 2mSec/div.
Measurement Method
39 k
TE MON
To Oscilloscope
820pF
GND
REFO (MD Mechanism Assy TP)
8
CN103-pin1 (SLD +)
(CORE MAIN UNIT ASSY) MODE: PLAY
DC500mV/div., 2mSec/div.
9
CN103-pin4 (SP +)
(CORE MAIN UNIT ASSY) MODE: PLAY
DC500mV/div., 5mSec/div.
10
CN105-pin1 (LOAD )
(CORE MAIN UNIT ASSY) MODE: STOP
DC1V/div., 1mSec/div.
GND GND GND
26
MJ-D508
11
CN105-pin1 (LOAD )
(CORE MAIN UNIT ASSY) MODE: EJECT
DC1V/div., 1mSec/div.
12
IC602-pin28 (SYS CLK)
(MAIN UNIT ASSY) MODE: STOP
DC2V/div., 50nSec/div.
13
IC602-pin19 (AD DATA)
(MAIN UNIT ASSY) MODE: REC (ANALOG) DISC: GGF1328 (MMD-212)
DC2V/div., 0.5 µSec/div.
GND GND
GND
14
CN602-pin20 (DA DATA)
(MAIN UNIT ASSY) MODE: PLAY (1 kHz, 0 dB)
DC2V/div., 0.5 µSec/div.
15
IC602-pin23 (LRCK)
(MAIN UNIT ASSY) MODE: PLAY (1 kHz, 0 dB)
DC2V/div., 10 µSec/div.
16
IC602-pin22 (BCLK)
(MAIN UNIT ASSY) MODE: PLAY (1 kHz, 0 dB)
DC2V/div., 0.2 µSec/div.
GND
GND
GND
17
CN602-pin85 (LOUT)
(MAIN UNIT ASSY) MODE: PLAY (1 kHz, 0 dB)
DC2V/div., 0.2mSec/div.
18
IC603-pin1 (MAIN UNIT ASSY)
MODE: PLAY (1 kHz, 0 dB)
AC2V/div., 0.2mSec/div.
GND
GND
27
1
2
3
4
MJ-D508
4. PCB CONNECTION DIAGRAM
A
NOTE FOR PCB DIAGRAMS :
1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below.
Symbol In PCB Diagrams Symbol In Schematic Diagrams B C E B C E Part Name
3. The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram. 4. View point of PCB diagrams.
Connector
Transistor
Capacitor
B C E B B C E D D G S G S D G S C E B C E
SIDE A
Transistor with resistor
Field effect transistor
P.C.Board
Chip Part
SIDE B
B
Resistor array
3-terminal regulator
4.1 CORE SW UNIT ASSY
B
C
CORE SW UNIT ASSY
SPINDLE MOTOR SLED MOTOR
(RNP1733-B)
A CN103
D
SIDE A
SIDE B
28
1 2 3 4
1
2
3
4
MJ-D508 4.2 CORE MAIN UNIT ASSY
¶ 1 - are waveform numbers on pages 26 and 27.
A
CORE MAIN UNIT ASSY 2 6 1
5
SIDE A
A
8 3
CN701
B
B
10 11 9
IC101 IC106 IC102 IC103 IC104
(RNP1733-B)
IC114 Q101 Q102
SIDE B
LOADING MOTOR
C
REC HEAD
D
PICKUP ASSY
4
IC112 IC108 IC113 Q103 IC110 IC109 Q104 IC116
(RNP1733-B)
29
4
1
2
3
C CN401
1
2
3
4
MJ-D508
IC305 IC301 IC302 IC306
A
4.3 MAIN UNIT and POWER SUPPLY UNIT ASSYS
C
MAIN UNIT ASSY
B
SIDE A
D
A
POWER SUPPLY UNIT ASSY
CN104
C
D
NEUTRAL
LIVE
POWER CORD
4
30
1 2
3
5
6
7
8
MJ-D508
¶ = % are waveform numbers on page 27.
IC604 IC603 IC307 IC601
18
SIDE A
A
B
14 16
C
12 15
D
E
(RNP1732-C)
CN701
13
17
F
J901
(RNP1732-C)
G
J801
31
5 6 7 8
1
2
3
4
MJ-D508
Q504 Q503 Q603 IC605 Q502 IC602 Q501 Q602 IC401 Q601 Q605 Q604 IC402 IC407 IC403 IC404
SIDE B
A
B
C
D
(RNP1732-C) (RNP1732-C)
32
1 2 3 4
5
6
7
8
MJ-D508
Q304
A
C
MAIN UNIT ASSY
B
D
POWER SUPPLY UNIT ASSY
SIDE B
C
D
33
5 6 7 8
1
2
3
4
MJ-D508
4.4 DISPLAY UNIT ASSY
A
E
DISPLAY UNIT ASSY
B
C
D
34
1 2 3 4
5
6
7
8
MJ-D508
C
A
CN404
SIDE A
B
SIDE B
C
D
(RNP1732-C)
35
5 6 7 8
1
2
3
4
MJ-D508
4.5 VOLUME UNIT and HEADPHONE UNIT ASSYS
A
G
VOLUME UNIT ASSY
B
(RNP1732-C)
C
CN603
SIDE A
SIDE B
F
HEADPHONE UNIT ASSY
C
(RNP1732-C)
D
C
CN602
36
1 2 3 4
MJ-D508
5. PCB PARTS LIST
NOTES : Parts marked by " NSP " are generally unavailable because they are not in our Master Spare Parts List. The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. When ordering resistors, first convert resistance values into code form as shown in the following examples. Ex. 1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J = 5%, and K = 10%). 560 = 56 × 10 1 = 561 ................................................... RD1/4PU 5 6 1 J 47k = 47 × 10 3 = 473 .................................................. RD1/4PU 4 7 3 J 0.5 = R50 ...................................................................... RN2H Â 5 0 K 1 = 1R0 ......................................................................... RS1P 1 Â 0 K Ex. 2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k = 562 × 10 1 = 5621 ........................................... RN1/4PC 5 6 2 1 F
LIST OF WHOLE PCB ASSEMBLIES
Part No. Mark Symbol and Description KUXJ
NSP MD MECHANISM ASSY CORE UNIT ASSY CORE MAIN UNIT ASSY CORE SW UNIT ASSY MOTHER UNIT ASSY MAIN UNIT ASSY POWER SUPPLY UNIT ASSY DISPLAY UNIT ASSY HEADPHONE UNIT ASSY VOLUME UNIT ASSY RXA1777 RWM2058 RWZ4334 RWZ4335 RWM2057 RWZ4354 RWZ4358 RWZ4355 RWZ4357 RWZ4356
MJ-D508 MYXJ
RXA1777 RWM2058 RWZ4334 RWZ4335 RWM2062 RWZ4359 RWZ4363 RWZ4360 RWZ4362 RWZ4361
Remarks NVXJ
RXA1777 RWM2058 RWZ4334 RWZ4335 RWM2062 RWZ4359 RWZ4363 RWZ4360 RWZ4362 RWZ4361
MYXJGR/FR
RXA1777 RWM2058 RWZ4334 RWZ4335 RWM2062 RWZ4359 RWZ4363 RWZ4360 RWZ4362 RWZ4361
NSP NSP
NSP NSP
1 2
1 Although RWZ4357 and RWZ4362 are different in part number, they have the same service parts. 2 Although RWZ4356 and RWZ4361 are different in part number, they have the same service parts.
CONTRAST OF PCB ASSEMBLIES
C MAIN UNIT ASSY
RWZ4354 and RWZ4359 are constructed the same except for the following:
Part No. Mark Symbol and Description RWZ4354
C315 C319 C406, C417, C429, C443, C604, C619 C419 C559, C560 C569, C570 C619, C621 D401 D402 R322 R412, R437 R413 R455 JA405, JA406 CEAT470M16 CEAT101M10 CEAT101M10 CKSQYF104Z25 CEAT470M16 not used CEAT470M16 DA202K-TLB 1SS133-T not used RS1/10S102J RS1/10S274J not used RKN1004
Remarks RWZ4359
CEAT221M6R3 CEAT471M6R3 CEAT221M6R3 not used CEAT220M50 CEAT220M50 CEAT221M16 not used not used RS1/10S122J not used not used RS1/10S0R0J not used
37
MJ-D508
D POWER SUPPLY UNIT ASSY
RWZ4358 and RWZ4363 are constructed the same except for the following:
Part No. Mark
C217
Symbol and Description RWZ4358
CEAT101M10
Remarks RWZ4363
CEAT471M6R3
E
DISPLAY UNIT ASSY
Part No.
RWZ4355 and RWZ4360 are constructed the same except for the following:
Mark
R723 R724
Symbol and Description RWZ4355
not used RS1/10S104J
Remarks RWZ4360
RS1/10S104J not used
PARTS LIST FOR MJ-D508/KUXJ
Mark No. Description Part No. Mark No. Description Part No.
CEV101M4 CEV101M6R3 CEV470M6R3 CEV4R7M35 CKSQYB103K50 CKSQYB122K50 CKSQYB153K50 CKSQYB222K50 CKSQYB223K50 CKSQYB273K50 CKSQYB332K50 CKSQYB333K50 CKSQYB472K50 CKSQYB562K50 CKSQYB821K50 CKSQYF104Z25 CKSQYF104Z25 CKSQYF105Z16 CKSQYF105Z16 CKSQYF105Z16 CKSQYF105Z16 CKSQYF473Z25 CKSQYF474Z16 C139 C166 C147, C148, C201 C112 C1000, C199 C129 C153, C154 C158 C196C198 C103, C145 C171 C149, C170 C106, C159 C156, C157 C151, C152, C160, C162 C132, C134, C137, C138, C161 C163, C164, C195, C202C205 C101, C102, C104, C108 C113, C114, C116C118 C121, C122, C124, C135, C136 C140, C165, C169, C207, C208 C123 C105, C107
CORE MAIN UNIT ASSY
SEMICONDUCTORS
IC112 IC116 IC110 IC101 IC102 IC106 IC103 IC104 IC114 IC109 Q102 Q101 Q103, Q104 D101, D102 BA4510F BD7910FV BR93LC56F IR3R55M LR376487 M56758FP M5M4V4400CTP-7 PD5523A RN5RG32AA TC74VHC08FT 2SA1036K 2SB1188 DTC124EU SB02-09CP
COILS AND FILTERS
L101, L103, L104, L107 (4.7µH) L110 CHIP SOLID INDUCTOR L108 (47µH) L102 (0.47µH) DTL1024 QTL1015 RTL1003 RTL1007
SWITCHES AND RELAYS
S101, S102 RSF1012
RESISTORS
R105 Other Resistors RS1/8S270J RS1/10S&&&J
CAPACITORS
C115, C146 C119, C120 C141C144, C155 C174C178 C194 CCSQCH101J50 CCSQCH120J50 CCSQCH220J50 CCSQCH271J50 CCSQCH331J50
OTHERS
CN104 30P CONNECTOR X101 (33.8688MHz) CN105 CONNECTOR CN102 CONNECTOR CN101 CONNECTOR CN103 CONNECTOR RKN1039 RSS1055 S2B-ZR-SM3A S2B-ZR-SM3A-R SFV28R-1ST SFW7R-2ST
38
MJ-D508
Mark No.
Description
Part No.
Mark No.
C507, C508 C614 C314 C551, C552 C410
Description
Part No.
CEAT220M50 CEAT221M6R3 CEAT222M16 CEAT2R2M50 CEAT330M50 CEAT332M16 CEAT470M16 CEAT470M16 CEAT470M16 CEAT471M6R3 CEAT4R7M50 CFTLA474J50 CKSQYB102K50 CKSQYB103K50 CKSQYB152K50 CKSQYB332K50 CKSQYF104Z25 CKSQYF104Z25 CKSQYF104Z25 CKSQYF104Z25 CKSQYF105Z16 CKSQYF473Z25 RCH1152
CORE SW UNIT ASSY
SWITCHES AND RELAYS
S701 S702 RSF1009 RSF1010
RESISTORS
All Resistors RS1/10S&&&J
C313 C315, C444, C505, C506 C559, C560, C565, C566, C619 C621 C324 C503, C504, C624 C442 C447, C625, C626 C409, C441, C449 C553C558 C511, C512 C401, C402, C404, C405, C414 C416, C418C420, C422, C438 C452, C603, C605C611, C613 C615, C630, C632 C629 C439 C323 (1.00F)
OTHERS
CN701 CONNECTOR SFW7R-1ST
MAIN UNIT ASSY
SEMICONDUCTORS
IC301, IC305 (400mA) IC602 IC306 IC604 IC605 IC601 IC603 IC302 IC307 IC404 IC401, IC402 IC403 IC407 Q303 Q304 Q501Q504 Q601, Q602 Q603Q605 D307 D308, D402 D401, D603 D303D306 AEK7004 AK7712A-VQ BA05T BA15218 BR62256F-70LL NJM2100D NJM4558D-D NJM7805FA S-806D TC74HC153AF TC74HCT08AF TC74HCU04AF TC9246F 2SA1037K 2SC2412K 2SD2114K DTA124EK DTC124EK 1SR139-400-TA 1SS133X DAP202K S5566G(TPB2)
RESISTORS
R441 R559, R560 Other Resistors RD1/4VM120J RN1/10SE1202D RS1/10S&&&J
OTHERS
CN602 CN603 CN301 JA401 JA404 3P JUMPER CONNECTOR 6P JUMPER CONNECTOR 13PJUMPER CONNECTOR OPTICAL RECEIV MOD. OPTICAL LINK OUT CONNECTOR JACK JACK JACK PCB BINDER 30P CONNECTOR EARTH METAL FITTING 52147-0310 52147-0610 52147-1310 GP1F32R GP1F32T HLEM30S-1 RKB1021 RKB1032 RKN1004 VEF1040 VKN1206 VNF1084
CN404 JA403 JA601 JA405, JA406
COILS AND FILTERS
L308 L403, L603, L611 L401 L412, L602, L610 FERRITE BEADS L413 FERRITE BEADS L404 EMI FILTER 101 L304, L402, L410, L608 COIL LAU1R0J LFA100J LFA151J PTH1016 PTH1017 RTF1162 RTF1167
CN401 KN301
POWER SUPPLY UNIT ASSY
SEMICONDUCTORS
IC201 (2.5A) IC202 D205 D204 D202 D203 D201 AEK7014 NJM7805FA 1SS133X DAN202K MTZJ11B S2VB20 S5566G(TPB2)
CAPACITORS
C448 C445 C440 C411, C413, C446, C453, C454 C450, C451, C549, C550 C627, C628, C633, C634 C412, C423, C617 C319, C321, C403, C406, C415 C417, C421, C429, C443, C601 C604, C612, C616 CCSQCH100D50 CCSQCH101J50 CCSQCH150J50 CCSQCH220J50 CCSQCH221J50 CCSQCH221J50 CCSQCH470J50 CEAT101M10 CEAT101M10 CEAT101M10
SWITCHES AND RELAYS
S201 RSA1001
39
MJ-D508
Mark No.
Description
Part No.
Mark No.
Description
Part No.
COILS AND FILTERS
L206 L204, L205 COIL LAU1R0J RTF1167
HEADPHONE UNIT ASSY
COILS AND FILTERS
L903 L901, L902 COIL FERRITE BEADS RTF1167 VTH1020
CAPACITORS
C206 (10000pF/AC250V) C217 C219 C218 C210 C203C205, C207C209 C211C214 C215 C216 (15000µF/16V) ACG7020 CEAT101M10 CEAT101M50 CEAT4R7M50 CFTLA104J50 CKCYF103Z50 CKCYF103Z50 CKSQYF104Z25 RCH1124
CAPACITORS
C904, C905, C907 CKSQYF104Z25
RESISTORS
VR901 (500-B) Other Resistors RCV1123 RS1/10S&&&J
OTHERS
J901 J902 JA901 3P CABLE HOLDER JUMPER WIRE CORD WITH PLUG JACK 51048-0300 D20PYY0310E DE005WE0 RKN1002
RESISTORS
All Resistors RS1/10S&&&J
OTHERS
J202 J204 13P CABLE HOLDER HEAT SINK JUMPER WIRE 13P CORD WITH PLUG TERMINAL 51048-1300 ANH-575 D20PYY1315E DE005WE0 RKC-061
VOLUME UNIT ASSY
RESISTORS
VR801 (50k-A) Other Resistors RCV1118 RS1/10S&&&J
DISPLAY UNIT ASSY
SEMICONDUCTORS
IC701 PDG240A
OTHERS
J801 6P CABLE HOLDER PARALLEL WIRE 51048-0600 D20PYY0615E
COILS AND FILTERS
L704 COIL RTF1167
SWITCHES AND RELAYS
S701 S719 S702S718 RSC1003 RSH1041 VSG1009
CAPACITORS
C709 C705, C707, C710, C711 C713 C703, C704, C706, C708 CEAL220M6R3 CKSQYB103K50 CKSQYF103Z50 CKSQYF104Z25
RESISTORS
All Resistors RS1/10S&&&J
OTHERS
CN701 V701 X701 REMOTE RECEIVER UNIT CONNECTOR FL (8.388MHz) GP1U27X HLEM30S-1 RAW1164 RSS1042
40
MJ-D508
6. ADJUSTMENT
JIGS AND MEASURING INSTRUMENTS Thermometer Oscilloscope Optical Power Meter Jitter Meter Test Disc
For servo system adjustment ............................................. GGF1328 (MMD-212) For recording/playback inspection ................... GGF1328 (MMD-212), GGF1277, TGYS1 (or MMD-110), Commercial discs
6.1 NECESSARY ADJUSTMENT POINTS
When Exchange Adjustment points
PICKUP
2 8 = Page 4348
Exchange
Servo Base Assy (SPINDLE MOTOR)
2 8 = Page 4348
Exchange
CORE MAIN UNIT ASSY
1 , 4 8 = Page 4348
Exchange
MD HEAD
8
= Page 48
Exchange
Loading Mechanism Assy
Exchange
Servo Mechanism Assy
3 8 = Page 4448
Exchange
MD Mechanism Assy (Loading Mechanism Assy + Servo Mechanism Assy)
3 8 = Page 4448
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MJ-D508
6.2 TEST MODE
There are two test modes: test mode 1 for main unit operation check and test mode 2 for MD mechanism assy adjustment and check.
6.2.1 Test Mode 1 (main unit operation check) How to enter into test mode 1
1) Hold the "ENTER" key and the "STOP" key depressed and press the POWER switch. 2) SYSTEM TEST will be displayed on the FL display.
Operation check for the operation keys
Operation Keys REC (¶) PLAY (3) STOP (7) JOG (4, ¢) CUE (¡) REV (1) INPUT SELECTOR EJECT (0) DIGITAL-NR Disc ejection (no TOC writing) Same operation as in normal mode FL Display Contents
D S P D S P D S P
O K ! ! E R R O R 1 E R R O R 2
Normal DSP IC operation Communication between the DSP IC and the system controller is not possible. Calculation in the DSP IC not correct
Operation check for other keys
When each key is pressed, display according to the following table shall be made on the FL display.
Operation Keys OFF TIMER SW REC PLAY DAC MODE NAME CLIP DISPLAY/CHARA AB FL Display Operation Keys FL Display
S Y S T E M
Entire FL lit Entire FL not lit
T E S T
JOG (Push) EDIT/NO NAME SYNCHRO REC
E N T E R E D I T / N O N A M E S Y N C H R O R E C
D A C N A M E C L I P
D I S P
Cancellation of Test Mode 1
Press the POWER switch.
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MJ-D508
6.2.2 Test Mode 2 (MD Mechanism Assy Adjustment, Check)
1 Temperature Check (Please perform this check soon after the power has been switched on.)
Note: When IC101 (RF-AMP), IC104 (mechanical controller) or IC110 (EEPROM) has been exchanged or when a correction changing VD+3 has been made, be sure to correctly perform all steps up to step 6.
Step No. 1 2 3 When 4 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Press the NAME CLIP key. When is 80 or more at this time, the adjustment is OK (step 4 and following can be omitted). is 80 (not passed) Measure the ambient temperature T (°C) andcheck hat the measuring value ( ) is within the standard ). in regard to the microcomputer set value ( Note: When the indication of the measuring value ( ) is not stable, and the ambient temperature T (°C) is 25 °C or less, set to the lower value. When the ambient temperature is over 25 °C, set to the higher value. TEMP 80 FL Display EJECT TEMP Test mode The microcomputer starts measuring. End 80 is the default value (unadjusted).
TEMP µ-com Measuring value Room Temperature [ T (°C) ] 11.6 to 16.9 17.0 to 22.3 22.4 to 27.6 27.7 to 33.0 33.1 to 38.4 ( hex= +1 to +3 0 to +2 1 to +1 0 to 2 1 to 3 ) 79 7A When the microcomputer 7B value is 7C 7D µ-com Set value
Status
Remarks
: Measuring value : Set value
+
5 6
with the DAC MODE key (UP) and the Change INPUT SELECTOR key (DOWN). Press the EDIT/NO key.
TEMP 7B 7B No Disc Writing to EEPROM is made and return is made automatically from test mode to normal mode.
2 Laser Power Check
CAUTION
· Never look directly at the objective lens. Rec power (rpw) is than ten times greater than Playback power (ppw) is released. · Never turn the pickup volume and be careful of touch it. Laser power of pickup has been adjusted in the factory shipping.
Step No. 1 2 3 4 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Press the NAME key. Measure the laser power with an optical power meter. At this time, check that the measuring value (PLAY power) meets the standard value of the table on the right. Note: When the standard value on the right is applied, the numerical value immediately after entry into test mode 2 shall be taken as the standard. FL Display EJECT ppw ppw ppw Test mode PLAY power output status Status Remarks Laser Wavelength: 780 nm
TEMP µ-com Measuring value
( hex = ) +02 to +04 01 to +01 02 to 04
May be omitted.
µ-com Set value
Standard Value (mW) 0.69±0.12 0.67±0.1 0.63±0.1
5 6
Press the NAME key. At this time, check that the measuring value (REC power) meets the standard value of the table on the right.
rpw rpw
REC power output status hex = ) +02 to +04 01 to +01 02 to 04 Standard Value (mW) 6.18±0.93 5.79±0.87 5.47±0.82
(
7
Press the STOP key.
The LD goes out.
43
MJ-D508
3 Grating Adjustment
Step No. 1 2 3 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Insert the test disc GGF1328 (MMD-212). Press the PLAY key. FL Display EJECT LOADING GRT AJST LON : LAg : GEG : GRT AJST Test mode Status Remarks
Grating adjustment status Playback is started in tracking open status. (The servo is closed only for focus and spindle.) Lissajous waveform a:b = Within 3:1
4
Connect an oscilloscope according to the following connection diagram and loosen the screw A at the side of the adjustment hole. Turn the hole with a screwdriver until the Lissajous waveform becomes as shown in the figure, and then tighten the screw A. Press the STOP key.
5
Adjustment end
Connection Diagram
Ocsilloscope
a
100k
470p 470p
b
100k
Lissajous waveform a:b = Within 3:1 SIDE A
Adjustment Hole
CORE MAIN UNIT ASSY
EOUT FOUT
Screw A
Adjustment Point
REFO
4 Preliminary Adjustment
Step No. 1 2 3 4 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Insert the test disc GGF1328 (MMD-212). Press the A-B key (until AUT YOBI is displayed). Preliminary adjustment starts when the PLAY key is pressed. FL Display EJECT LOADING GRT AJST AUT YOBI HAo : RFg : PTG : | Can't ADJ. COMPLETE Preliminary adjustment mode Test mode Status Remarks
Defective adjustment (problem with the servo system) Adjustment end
44
MJ-D508
4 Preliminary Adjustment
Step No. 5 6 Operation Keys and Operation Method Press the STOP key. Press the EDIT/NO key. FL Display AUT YOBI EEPROM W Toc Reading GGF1328 (MMD-212) Status Return to menu display Writing to the EEPROM Remarks
Note: When this adjustment is performed after defocus adjustment has been performed, defocus is returned to the initial status, and defocus adjustment must be performed.
5 Normal adjustment
Step No. 1 2 3 4 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Insert the test disc GGF1328 (MMD-212). Press the A-B key (until AUTO AJST is displayed). Normal adjustment starts when the PLAY key is pressed. FL Display EJECT LOADING GRT AJST AUTO AJST PEG : HAG: | Can't ADJ. COMPLETE 5 Press the STOP key. AUTO AJST Normal adjustment mode Test mode Status Remarks
Defective adjustment (problem with the servo system) Adjustment end Return to menu display
6 Defocus adjustment
Step No. 1 2 3 4 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Insert the test disc GGF1328 (MMD-212). Press the A-B key (until deFO AJST is displayed). Press the PLAY key. of Deforcus Value 5 6 c C1 Error Value FL Display EJECT LOADING GRT AJST deFO AJST PEG : FESpp : of000c0015 Defocus mode is entered, and after automatic execution of normal adjustment, the C1 error at the time of focus offset 0 is displayed. Test mode Status Remarks
Check the jitter value and end the adjustment when the intermediate jitter value is 29 nsec or less. Press the NAME CLIP key. of+04 c0032 The C1 error with application of a focus offset of about 0.4 µm on the + side is displayed. The jitter value (J+) at this time is recorded.
45
MJ-D508
6 Defocus adjustment
Step No. 7 Operation Keys and Operation Method Press the NAME CLIP key. FL Display of-04 c0020 Status The C1 error with application of a focus offset of about 0.4 µm on the side is displayed. The jitter value (J) at this time is recorded. Remarks
8
When J+ is larger than J-, press the A-B key and display the C1 error when the focus offset is applied up to +0.4 µm. (Do nothing when J- is larger than J+.) Change the value with CUE (1)/REV (1) until the value becomes the same. Press the PLAY key.
of+04 c0032
9
of+04 c0032 of+03 c0025 of+02 c0020 COMPLETE
When the smaller offset of the jitter value has been corrected mistakenly, press the NAME key and return to step 4. The mean value of the changed set value and the offset of the other setting limit is written into the EEPROM as the compensation offset. Test mode is ended.
10
11
Power OFF
Connection diagram
Jitter Meter
LEVEL JITTER
CORE MAIN UNIT ASSY
SIDE A
EFM MON
GND
REFO
7 Jitter/C1 Error Check at the time of Playback
Step No. 1 2 3 4 5 6 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Insert the test disc GGF1328 (MMD-212). FL Display EJECT LOADING GRT AJST Test mode Status Remarks
Perform " 5 Normal Adjustment " (step 3, step 4). AUTO AJST Press the NAME CLIP key. Press the NAME key and display the inner circumference address. Press the PLAY key and display the C1 error for the inner circumference. TEST PLAY ADRES 0050 a0050 c0015 Check that the jitter value meets the standard value of the following table. GGF1328 (MMD-212) jitter value Inner circumference Outer circumference 31 nsec or less 29 nsec or less Intermediate circumference 29 nsec or less TEST PLAY mode
7
Press the REC key.
A0062 c0013 AVE. c0012
Seven data are acquired, the largest and the smallest value are discarded, and fixed display is made for the mean value of the remaining five data. Check that this value is 200 or less.
46
MJ-D508
7 Jitter/C1 Error Check at the time of Playback
Step No. 8 9 10 11 Operation Keys and Operation Method Press the REC key. Press the STOP key. Press the NAME key and display the inner circumference address. Press the NAME CLIP key and display the intermediate circumference address. Perform steps 6 to 9 in this condition. Press the NAME key and display the inner circumference address. Press the NAME CLIP key twice to display the outer circumference address. Perform steps 6 to 9 in this condition. Press the EJECT key, eject the test disc GGF1328 (MMD-212), and insert TGYS1 (or MMD-110.) Perform steps 3 to 13 and check the jitter/C1 error with the test disc TGYS1 ( or MMD-110). FL Display a006F c0017 TEST PLAY ADRES 0050 ADRES 03C0 a03C0 c0009 TEST PLAY ADRES 0050 ADRES 0700 a0700 c0008 TEST PLAY EJECT LOADING GRT AJST a0062 c0009 a03d2 c0007 a0712 c0006 Check that the jitter value meets the standard value of the following table. TGYS1 ( or MMD-110) jitter value Inner circumference Outer circumference 16 17 Press the EJECT key. Power OFF EJECT 29 nsec or less 27 nsec or less Intermediate circumference 27 nsec or less Status The fixed display of the C1 error is ended. Remarks
12 13
Intermediate and outer circumference may be omitted.
14
15
The test disc TGYS1 ( or MMD-110) is ejected. Test mode is ended.
Jitter Meter
LEVEL JITTER
CORE MAIN UNIT ASSY
SIDE A
EFM MON
GND
REFO
Connection diagram
47
MJ-D508
8 Jitter/C1 Error Check at the time of Recording/Playback
Step No. 1 2 3 4 5 6 Operation Keys and Operation Method Power ON while holding the ENTER key and the PLAY key depressed. Insert the test disc (GGF1277). Perform " 5 Normal Adjustment " (step 3, step 4). Press the NAME CLIP key twice. Press the NAME key and display the inner circumference address. When the PLAY key is pressed, TEST REC starts, and when 25 addresses or more have been sent, stop by pressing the STOP key. Press the NAME key and display the inner circumference address. Press the NAME CLIP key and display the intermediate circumference. Perform step 6. Press the NAME key and display the inner circumference address. Press the NAME CLIP key twice and display the outer circumference address. Perform step 6. Press the NAME CLIP key. Perform steps 5 to 13 of " 7 Jitter/C1 Error Check at the time of Playback ". At the time of self-recording, wait for seven addresses after TEST PLAY start, and then press the REC key and enter into mean value mode. (Good recording may not be possible for several addresses at the beginning.) FL Display EJECT LOADING GRT AJST AUTO AJST TEST REC a0050 pw0D a0069 pw0D TEST REC a0050 pw0D a03C0 pw0D a03D9 pw0D TEST REC a0050 pw0D a0700 pw0D a0719 pw0D TEST REC TEST PLAY a0069 c0009 a03D9 c0007 a0719 c0006 TEST PLAY mode Check the jitter/C2 error at the inner/ intermediate/outer circumference of GGF1277, and check that the jitter value satisfies the standard value of the following table. GGF1277 jitter value Inner circumference Outer circumference 15 16 Press the EJECT key. Power OFF EJECT 33 nsec or less 31 nsec or less Intermediate circumference 31 nsec or less Note: When the initial address (0050) part of the inner circumference (or intermediate/ outer circumference) has been used 1000 times or more, press the CUE key and shift the address by 10hex. (The address is shifted (up to 10 times) according to the use frequency of the disc.) TEST REC mode Test mode Status Remarks
7 8 9 10 11 12 13 14
Intermediate and outer circumference may be omitted.
The test disc (GGF1277) is ejected. Test mode is ended.
Jitter Meter
LEVEL JITTER
CORE MAIN UNIT ASSY
SIDE A
EFM MON
GND
REFO
Connection diagram
48
MJ-D508
7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 TROUBLESHOOTING 7 The power of the system does not turn to ON. Display does not light up.
START POWER ON ¶ IC201(Protector) is open. ¶ Transformer temperrature fuse is open. ¶ IC201(SYSTEM CONTROL µCOM) is broken.
Display lights UP ?
Yes
No
Check for connection of Transformer to MAIN UNIT ASSY and connection of DISPLAY UNIT ASSY to MAIN UNIT ASSY.
Detal of Display is normal ?
Yes
No
Display is dark or Display flickers
D202(Zener diode) is short-circuited or open.
OK
" SIO Error "
¶ Connection of DISPLAY UNIT ASSY to MAIN UNIT ASSY or Connection of MD MECHANISM ASSY to MAIN UNIT ASSY is wrong. ¶ IC301(Protector) is open. ¶ IC305(Protector) is open.
Message shown on the display
Refer to "DETAILS OF ERROR DISPLAY" (next page).
49
MJ-D508
7 DETAILS OF ERROR DISPLAY
Error Display
Can't REC
Details of Error
÷ DEFECT occurred 10 times continuously during REC-PLAY. ÷ Recordable cluster became 0 since DEFECT occurred during REC-PLAY. ÷ Address is unreadable. REC state can not be set for 20 seconds even after try again. ÷ Determined as follows according to the channel status of the signals input from D-IN during REC-PAUSE or REC-PLAY. 1. Other than audio 2. Other than consumer use 3. Copy NG due to inversion of COPY bit of CD ÷ The following occurred for digital signal input from D-IN during REC-PAUSE, REC-PLAY 1. Digital IN PLL unlocked. 2. Locked at other than FS = 32, 44.1 and 48 kHz. ÷ The following occurred for digital signal input from D-IN during DAC mode 1. Digital IN PLL unlocked. 2. Locked at other than FS = 32, 44.1 and 48 kHz. ÷ No area for registering music number and character information during REC-PLAY (music name, disc number, etc.) ÷ FTNO > LTNO. ÷ FTNO 0 or 1. ÷ UTOC recorded on DISC could not be read. ÷ Start address > End address. ÷ Any one data of UTOC 0 to 4 has looped. ÷ Data not for audio is recorded for TNO track mode currently selected. ÷ Data called MINI of system ID written in ASCII codes in TOC is incorrect. ÷ Disc type written in TOC is not pre-mastered MD, recording MD, or hybrid MD. ÷ TOC read was incorrect or could not be read properly.
Measure
÷ Check if there are scratches, dusts, fingerprints, or black spots on disc. Check if disc fluctuates eccentrically or moves up and down largely.
Can't COPY
÷ Check if CD is copy-proof. (Example: CD-R, etc.)
Din Unlock
÷ Check if D-IN signal line is normal. ÷ Check if D-IN signal is FS = 32, 44.1 and 48 kHz.
DAC Unlock
÷ Check if D-IN signal line is normal. ÷ Check if D-IN signal is FS = 32, 44.1 and 48 kHz.
TOC Full
÷ Replace with recording/playback disc with space for registering UTOC. ÷ Replace with other discs to check if UTOC data is normal.
UTOC R ERR
UTOC ERR A UTOC ERR L Not Audio
÷ Replace with other discs to check if UTOC data is normal. ÷ Replace with other discs to check if UTOC data is normal. ÷ Select other TNO or replace with other discs. ÷ Disc is outside specifications. Replace with different disc and check.
Unkown Disc
÷ The TOC data recorded on the disc do not comply with MD Standards, so try using another disc. ÷ The disc may be scratched or damaged, so try using another disc. ÷ Check if there are scratches, dusts, fingerprints, or black spots on disc. Check if disc fluctuates eccentrically or moves up and down largely. ÷ Replace with different disc with recording space. ÷ Disc is for playback only. Replace with disc for recording. ÷ Track attempted to be edited is write-protected. Try again with different track. ÷ Restore the REC-proof knob and try again.
÷ Inserted a disc but could not bring in FOCUS.
Disc Full Premastered
÷ No recordable space when attempted to set REC-PAUSE. ÷ Disc only for playback was loaded when attempted to set RECPAUSE or edit. ÷ Attempted to record or edit even through REC-proof knob of disc for recording was in the REC-proof state. ÷ Attempted to edit track with write-protect according to information on UTOC.
Protected
50
MJ-D508
Details of Error Display
Error Display
Can' t Edit
Details of Error
÷ Editing conditions were not satisfied for each editing function. ÷ Temperature inside unit (MD unit) was too high due to fault. ÷ Data read was incorrect or could not be read properly. ÷ Error occurred during music data recording and recording could not be performed correctly. ÷ Music data READ search time exceeded ÷ REC PAUSE shift abnormality (search time exceeded) ÷ SD WRITE (search time exceeded)
Measure
÷ Operating method is wrong. Try again using correct method. ÷ Check according to TROUBLESHOOTING. ÷ Faulty TOC or UTOC data or scratch on disc. Replaced with other discs.
Temp Over Disc ERR
[
Disc ERR R Disc ERR S Disc ERR W
]
UTOC W ERR
÷ Fault occurred during rewriting of UTOC rewriting, and rewriting could not be performed correctly. ÷ The DRAM has become filled with music data, but they can not be written (to the disc). ÷ After reading UTOC, total number of TNO and NAME characters was 0. ÷ Focus execution error, etc. occurred due to shock during RECPLAY. ÷ UTOC read was correct but could not be rewrite it.
÷ Scratch on disc. Replaced with other discs. ÷ Check if there are scratches, dusts, fingerprints, or black spots on disc. Check if disc fluctuates eccentrically or moves up and down largely. ÷ Record and check if disc is recordable. ÷ Check if there are scratches, dusts, fingerprints, or black spots on disc. Check if disc fluctuates eccentrically or moves up and down largely. ÷ Check to see if the recording head contact is correct or if there are any disconnections between the board and the recording head. ÷ Try doing a RESET operation again. If the problem still persists, replace the EEPROM.
Memory Full
BlankDisc
Defect
UTOC W ERR
EEPROM ERR
÷ The EEPROM data are incorrect. ÷ ÷ ÷ ÷ Never completes EJECT. Never moves HEAD UP. Never moves HEAD DOWN. The set microcomputer and MD mechanism microcomputer are not communicating properly.
MECHA ERR
51
MJ-D508
7.1.2 DISASSEMBLY Removal of the Servo Mechanism Assy
1 Remove the screw A and screw B. 2 Disconnect the connectors (CN102, CN103, CN105), open the hook of part A, and tilt the upper side of the CORE MAIN UNIT ASSY to the front. 3 Disconnect the connector (CN101) at the rear of the CORE MAIN UNIT ASSY and remove the CORE MAIN UNIT ASSY. 4 After the Carrier has been pushed in, move the Upper Slider to the rear and stop it at the position where the Under Slider starts to move.
2
CN105 Screw A
1
Screw B
2
CN102
Part A
2 CN103
CN101
3
1
CORE MAIN UNIT ASSY
5 Shift part B to the position shown in the figure while raising the Under Slider. (At the same time, the Upper Slider moves to the front.) 6 Remove the Lock Plate. (One screw B)
Under Slider Upper Slider
4
Part B
Screw C
5
7 Remove the Servo Mechanism Assy.
Lock Plate
Servo Mechanism Assy
Caution for the time of installation of the servo mechanism assy
Move the MD Pick-up to the innermost circumference. The servo mechanism assembly is not installed other than the innermost circumference.
6
52
MJ-D508
Removal of the MD Pick-up
1 Remove the MD Head. (One screw A) 2 Remove the Screw Guide at the lower side of the MD Pick-up. (One screw B) 3 Remove the S. H. Spring. (One screw C) 4 Remove the hook of the S. H. Spring as shown in the figure on the right. 5 Remove the Safety Screw. 6 Raise the left side of the Guide Shaft and pull it out to the left. 7 Remove the MD Pick-up. (With the front facing down, remove it to the front. At this time, the MD Pick-up can be removed more easily when the Reference Plate is removed.)
1 4
Remove the hook after the screw has been removed.
Screw A (M1.7 × 4) MD Head
3
Screw C (M1.7 × 3) Servo Mechanism Assy
S. H. Spring
5
6
Guide Shaft
Safety Screw
Screw Guide
7
Hook Reference Plate
2
Screw B (M1.4 × 2)
MD Pick-up Installation
Perform installation in reverse order of the removal. (Please use care as the MD Head mounting screw can be crushed easily. MD Head mounting screw tightening torque: 1.1 kg · cm When the Reference Plate has been removed, confirm that the hook is engaged with the shaft of the spindle motor. (Take care that the mounting reference boss does not ride up.)
MD Pickup
S. H. Spring Installation
S. H. Spring
1
Insert
2
Push in while changing the point.
3
Press in with a screwdriver or similar until the hook becomes engaged.
Confirm from the rear that the tip of the hook is engaged sufficiently.
53
MJ-D508
Removal of the Head Lifter
1 Remove the Lifter SP. 2 Tilt the Head Lifter to the rear and push part A to disengage it.
Head Lifter Installation
1 Install part A in the Servo Base with the Head Lifter tilted to the back. 2 Match the Head Lifter and the Servo Base as shown in the figure, and then engage part B. 3 While holding part B with your hand, tilt the Head Lifter to the front and install the Lifter SP.
Head Lifter
1 2
Part A Lifter SP Push
Head Lifter Part A
1
3
Push Head Lifter
2
Part B
Part B Servo Base
Matching Position
54
MJ-D508
7.2 PARTS
7.2.1 IC
DRAM
Pin Assignment (Top view) Pin Function
No.
DQ1 1 DQ2 2 W 3 RAS 4 A9 5
26 VSS 25 DQ4 24 DQ3 23 CAS 22 OE
¶ The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
M5M4V4400CTP-7 (IC103: CORE MAIN UNIT ASSY)
Name
DQ1 DQ2 W RAS A9
Description
Data Input/Output Write control input Line address strobe input Address input
No.
14 | 18 19 | 21 22 23 24
Name
A4 | A8
Description
Address input
1 2 3 4 5 6 | 8 9 | 12 13
OE CAS DQ3 DQ4 Vss
Output-enable input Column address strobe input Data Input/Output Ground (0 V)
A0 9 A1 10 A2 11 A3 12 VCC 13
18 A8 17 A7 16 A6 15 A5 14 A4
A0 | A3 Vcc
Address input Power supply voltage (+3.3 V)
25 26
Block Diagram
CAS 23 RAS 4 W 3
Clock Generation Circuit
13 Vcc (3.3V)
26 Vss (0V)
Column Decoder
Input Buffer
1 2 24 25
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9
9 10 11 12 14 15 16 17 18 5
Sense Reflesh Amp. Input/Output Control Circuit
DQ1 DQ2 DQ3 DQ4
Address Buffer
Line Decoder
Output Buffer Memory Cell (4194304bits)
22 OE
55
MJ-D508
M56758FP (IC106: CORE MAIN UNIT ASSY)
5-channel Actuator Driver
VBS1 VBS2
Pin Assignment (Top view)
Block Diagram
Vm1
5
4
VBS1
39
VBS2
38 + 40 37 41 42 + +
REG+ 1 REGB 2 IN1+ 3 VBS1 4 Vm1 5 IN1 6 OUT1 7 VM1 8 VM1+ 9 GND 10 GND 11 VM2+ 12 VM2 13 OUT2 14 IN2 15 IN2+ 16 MUTE1 17 MUTE2 18 SS. GND 19 VREF 20 VREFO 21
42 CH3IN 41 OUT3 40 IN3 39 VBS2 38 Vm2 37 IN3+ 36 N.C. 35 VM3 34 VM3+ VM1 8 IN1+ 3 IN1 6 OUT1 7 VM1+ 9
+ + +
VBS1 R R Vm1 Vm2 R R
Vm2
E3 VBS2
IN3 IN3+ OUT3 CH3IN
+
+
CH1 ×5
VBS1
Vrefm1
Vrefm2
CH3 ×8
VBS2
34 VM3+ 35 VM3
M56758FP
33 GND 32 GND 31 VM4+ 30 VM4 29 VM5+ 28 VM5 27 OUT5 26 IN5 25 IN5+ 24 IN4+ 23 IN4 22 OUT4
VM2+ 12 VM2 13 OUT2 14 IN2 15 IN2+ 16 VREFO 21 VREF 20 REGB 2 REG+ 1
+ +
CH2 ×5
BIAS +
VBS1 E2 VBS1 VREF
VREFO
CH4 ×8
H: Sleep
+ +
31 VM4+ 30 VM4 22 OUT4
VBS1 VBS2
L: Open MUTE ON CH 1 to 4
1.25V
SLEEP
+
VBS2 E4
23 IN4 24 IN4+ + + 29 VM5+ 28 VM5 27 OUT5
+
VBS1 VREG
CH5 TSD
CH5 ×8
+
VBS2 E5
+
26 IN5 25 IN5+
19
17
18
10 11 32 33
SS. GND
MUTE1
MUTE2
Pin Function
No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 VM2 (+) VM2 () OUT2 IN2 IN2+ MUTE1 MUTE2 CH2 nonreversed output terminal CH2 reversed output terminal E2 amplifier output terminal E2 amplifier reversed input terminal E2 amplifier nonreversed input terminal Mute terminal (CH1 to CH4) Mute terminal (CH5)
Name
REG+ REGB IN1+ VBS1 Vm1 IN1 OUT1 VM1 () VM1 (+) GND
Description
Regulator voltage setting resistor connection terminal Regulator PNP base connection terminal E1 amplifier nonreversed input terminal Bootstrap power supply terminal Motor power supply terminal E1 amplifier reversed input terminal E1 amplifier output terminal CH1 reversed output terminal CH1 nonreversed output terminal Motor GND
No.
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
Name
OUT4 IN4 IN4+ IN5+ IN5 OUT5 VM5 () VM5 (+) VM4 () VM4 (+) GND VM3 (+) VM3 () N.C. IN3+ Vm2 VBS2 IN3 OUT3 CH3IN
GND
Description
E4 amplifier output terminal E4 amplifier reversed input terminal E4 amplifier nonreversed input terminal E5 amplifier nonreversed input terminal E5 amplifier reversed input terminal E5 amplifier output terminal CH5 reversed output terminal CH5 nonreversed output terminal CH4 reversed output terminal CH4 nonreversed output terminal Motor GND CH3 nonreversed output terminal CH3 reversed output terminal Not connected E3 amplifier nonreversed input terminal Motor power supply terminal Bootstrap power supply terminal E3 amplifier reversed input terminal E3 amplifier output terminal E3 amplifier nonreversed input terminal
19 SS. GND Small-signal ground 20 21 VREF VREFO Reference voltage input terminal Reference voltage output terminal
56
MJ-D5