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ORDER NO.

RRV2387

COMPACT DISC RECORDER / MULTI-CD CHANGER

PDR-W37
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
KUXJ/CA

Model PDR-W37
AC120V

Power Requirement

Remarks

This service manual should be used together with the following manual(s):
Model Order No. Remarks

PDR-W839/KUXJ/CA

RRV2352

PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

c PIONEER CORPORATION 2000
T ­ ZZV SEPT. 2000 Printed in Japan

PDR-W37

1. CONTRAST OF MISCELLANEOUS PARTS
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. Screws adjacent to mark on product are used for disassembly. Reference Nos. indicate the pages and Nos. in the service manual for the base model. 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%). 561 560 56 x 101 RD1/4PU 5 6 1 J 47 x 103 473 47k RD1/4PU 4 7 3 J R50 0.5 RN2H R 5 0 K 1R0 1 RS1P 1 R 0 K Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k 562 x 101 5621 RN1/4PC 5 6 2 1 F

CONTRAST TABLE
PDR-W37/KUXJ/CA and PDR-W839/KUXJ/CA are constructed the same except for the following:
Ref. No.
P6-1 P6-19 P6-33 P7-11

Part No. Mark Symbol and Description PDR-W839/KUXJ/CA PDR-W37/KUXJ/CA
MAIN ASSY Rear Base 839KU Rear Base W37 Getter W739 KU Front Panel 839 KU Front Panel W37 Pioneer Badge Pioneer Badge B Earth Plate Lami Tight 3 × 6 Operating Instructions (English) Sub Manual (English) Warranty Card Packing Case PWM2325 PNA2554 Not used PRW1542 PNW2983 Not used PAM1776 Not used Not used Not used PRB1307 PRB1308 ARY7045 PHG2422 PWM2330 Not used PNA2559 Not used Not used PNW2993 Not used PAN1376 PBK1154 PBA1116 PRB1309 PRB1310 ARY7007 PHG2428

Remarks

P7-14

No.1 No.2

P4-4 P4-5 P4-10 P4-16

NSP

Notes: ÷ The numbers in the remarks column correspond to the numbers on "EXPLOEDED VIEWS". ÷ For ASSEMBLIES, refer to "PCB PARTS LIST" and "2. SCHEMATIC DIAGRAM".

EXPLODED VIEWS

Laser Caution Label

NO.2 NO.1

CD-R CORE Shield Case

2

PDR-W37

PCB PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
CKSRYB103K50 CKSRYB103K50 CKSRYB104K25 CKSRYB104K25 CKSRYB104K25 CKSRYB104K25 CKSRYB471K50 CKSRYF473Z50 CQMBA102J50 CQMBA152J50 CQMBA471J50

H F MAIN

ASSY
AK4524VF BA4560F BR24C64F NJM2121M NJM4558MD NJM7805FA NJM7812FA NJM7912FA PD0236AM PD5603A PE8001A TC74HCU04AF TC7SU04F 2SC2412K 2SD2114K 2SD2114K DTA114TK DTA124EK DTC124EK 1SS355 DA204K DAN202K DAP202K DAP202K RB501V-40

SEMICONDUCTORS
IC803 IC811 IC903,IC904 IC801,IC802 IC810 IC1101 IC1102 IC1103 IC401 IC901 IC402 IC601 IC809 Q801 Q404,Q405,Q483,Q484 Q491,Q492 Q601 Q402,Q481,Q490 Q401,Q403,Q428,Q480,Q901 D402,D602,D603 D451-D454,D827,D828 D902,D903 D401,D480,D490,D601,D901 D904 D1102,D1103

C433,C434,C613,C620,C918 C920,C923,C928 C402,C408,C409,C431,C608 C610,C618,C626,C631,C633 C833,C835,C836,C838,C839 C843,C864,C878,C907,C921 C624,C630 C1117 C821,C822 C423-C428 C823-C826

RESISTORS
R876,R891-R893,R896,R898 R418 R481,R482 R429,R430,R435,R436 R807-R810 R803,R804 R433,R434 R825-R828 R829-R832 R405 R1103 R863,R864 R835 Other Resistors RD1/2VM101J RD1/2VM182J RD1/2VM562J RN1/16SE1002D RN1/16SE1002D RN1/16SE1202D RN1/16SE1801D RN1/16SE2201D RN1/16SE3301D RS1/10S100J RS1/10S222J RS1/10S470J RS1/10S5R6J J RS1/16S

OTHERS
CN1101 FJ Connector 14P CN903 8P FFC Connector CN901 22P FFC Connector CN902 33P FFC Connector CN1119,CN402 KR Conector CN801 KR Connector JA602,JA603 Optical Link In JA604 Optical Link Out Audio Cord JA606 1P Pin Jack JA601 JA605 JA801 CN904 Remote Control Jack PCB Binder 1P Pin Jack 4P Pin Jack 9P FFC Connector 14R-FJ 9604S-08C 9604S-22C 9604S-33C B4B-PH-K-S B7B-PH-K-S GP1FA550RZ GP1FA550TZ PDE1312 PKB1036 PKN1004 VEF1040 VKB1097 VKB1133 VKN1240 VKN1256 VNF1084 ASS7020

COILS AND FILTERS
L601,L602,L610 L401,L403,L404,L480,L604 L606,L607,L609,L801,L850 L901 L611 DTL1058 OTL1040 OTL1040 OTL1040 PTL1003

CAPACITORS
C903,C905 C1126,C1501,C437,C438 C451-C456,C629,C908-C914 C917,C1127 C805,C806 C615 C627,C922,C924,C927 C1101,C1105,C1109 C421,C422,C435,C436 C803,C804,C827,C828 C401,C403,C831,C834,C837 C809,C810,C817,C818 C896,C897 C609,C611,C617 C621 C813 C432 C1108,C1112 C1104 C404,C405 C1124,C612,C915 C1102,C1106,C1110,C1116,C1121 CCSRCH220J50 CCSRCH101J50 CCSRCH101J50 CCSRCH101J50 CCSRCH121J50 CCSRCH470J50 CEAT101M10 CEAT101M25 CEAT220M50 CEAT220M50 CEAT221M10 CEAT221M16 CEAT221M16 CEAT221M6R3 CEAT330M25 CEAT330M35 CEAT470M25 CEAT471M16 CEAT471M6R3 CEAT4R7M50 CKSRYB102K50 CKSRYB103K50

CN601 25P FFC Connector KN601-KN603,KN901 Earth Plate X901 (16MHz)

3

PDR-W37 2. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 2.1 BLOCK DIAGRAM

E F G
3CD MECHA. Ass'y
CD PICKUP unit KSM213CCM
10 3 ­

AWU7431 AWU7432 AWU7433

CN1101

LD

1 6 ­ 11

IC1101
CXA1570N RF AMP

A ­F

RFGO 25 TEO 14 FEO 16

CN1201
38 46

CN902

CD PickUp

8

13 14 15 16 F+/- 34 35 T+/31 32 SP+/9 10 SL+/- 12

43

IC1201
TC9495F CD DECORDER
DOUT 9

IC1301
M56788FP DRIVER FCS TRK SPDL S LED LOADING

SPINDLE MOTOR M S LED MOTOR M INSIDE SW

CN1301

FOO TRO 48 FMO 49 53

X1201 16.93MHz

13 LO+/- 14 15

LOADING/SELECT UUNIT
LOADING MOTOR M SELECT MOTOR M
1 7

CN1302

3CD CORE ASSY PWM2334
IC1302
B A6417F MOTOR DRIVER

MAIN ASS'Y (PWM2330)

D

HF

CD-R CORE MECHA.
CN101
17 ­ 20 17 ­ 20 23 ­ 26 4 1 3 2 A-H 91 - 98 17.2872MHz 48 89 WRF RFDC FE TE RF AC RFWBL

IC504
PCX1027 VCO IC251-IC254 RUNNING OPC CIRCUIT BLOCK

CN1

CD-R PickUp PEA1356

23 ­ 26 4 1 3 2

IC101

88 10

43 39 41 50 CDLRCK CDBCK CDDAT A

A K8567 9 RF PROCESSOR80
39

IC401

65 67 66 64 CDTX

CXD 2585Q CD DECODER
TE FG RFDC 52 19 31

58 CDLRCK CDBCK CDDAT A 136 134 135 CDTX 137 131

MECHA PCB ASSY
CN601 PC651 1 N JL5809K-F1 FG Generat or CN452
1 FG

LD CONTROL CIRCUIT

IC201
PA9007A SERVO AMP IC
X501

SPINDLE MOTOR PXM1044 M

FCS+/­ 15 16 7 8 7 8 SP+/­ 13 14 4 6 4 6 SL+/­ 11 12 TRK+/­ 17 18

IC451
BA5810FP DRIVER IC TRK FCS SPDL SL D LOADING

CD-R CORE ASS'Y PWM2314

33.8688MHz

B

CARRIAGE MOTOR ASSY M PEA1353

A
IC303
AOUT 57 58 BOUT

PWX1625
LOAB ASSY
LOADING MOTOR ASSY M VXX2505
CN453
1 2

L+/­

9 10

IC302
MM1522XU 4 TEMPERATURE SENSOR IC
59

IC301
PE5190A MECHA. CONTROL µ COM

PYY1287 (BR93LC66AF) EEPROM

C
4

VWG2171

PDR-W37

: 3CD PLAY : CD-R PLAY

CDR CORE ASSY CN901

CN202 V+5D V+5A V+6P

CN1101

CN201 V+8A V+16A V­16A V+5D VF­24

POWER SUPPLY UNIT
PWR1029
AC IN

M
IC801
AOUTL +/­ 25 26
3 5 7 2

L
IC802

IC803
13

A K4524VF CODEC 11
12 14 9 XTI 27 28 AOUTR +/­ 2 5

NJM2121M
7

LINE IN R

2

NJM2121M

SR IN

DALRCK DABCK DADATA

IC401
11 14 15

DALRCK DABCK DADATA 5 7 8 1 3 2

IC402
PE8001A D/A f or outpu t
XT I 16 13

L
IC810 NJM4558MD

PD0236AM HI-BIT IC

LINE OUT R

IC809

5

IC503
LC324265AT-25 D-RAM
Address Data

DACMCK

IC811 BA4560F JA602 JA603

DIGITAL IN
OPTICAL1 OPTICAL2

CN502
85 79 77 78 160 159 158 117 91 AUX TX 62 DACKOUT ADDAT A DALRCK DABCK DADAT A DIN3 DIN2 DIN1 DITOUT

CN601

COAXIAL
CD-R PLAY 3CD PLAY

IC501
PDC069A EFM ENCODER

DIGITAL OUT
L611 JA604 COAXIAL

OPTICAL

IC901
CN904

3CD PLAY

CN302

PD5603A SYSTEM CONTROL µ-COM
1 2 67

25

Headphone
CN801 CN1301

L

CN901

HEADPHPONE ASSY

Keyboard IN

CN701

64 63 62

IC701
LC75710NE FL DRIVER

I J K
OPERATIG 1­ 3 ASS'Y

V701
FL DISPLAY

FLD! FLCL FLCE

Key Input

REC VOL. (JOG w it h Pus h Bu tt on)

OPERATING 1 ASSY (PWZ4133)

OPERATING 2 ASSY (PWZ4141)

OPERATING 3 ASSY (PWZ4149)

HEADPHONE ASSY (PWZ4157)
5

1

2

3

4

PDR-W37 2.2 MAIN ASSY (1/3)
(A)

C1128
COPY (A) (A)

A

Codec IC
(1/2)
(A) (A)

VF

CH 100P
(D) (D)

B

H 3/3F
CH

H 2/3F

C

H 2/3F
(D)

(D)

(D)

at
100P CH

100P CH

YB

D

100P CH

YB

H 2/3F
6

H 1/3F
1

2

3

4

(A)

5

6

7

8

PDR-W37
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".

H 1/3F MAIN ASSY(1/3) (PWM2330)
A
MBA FILM CQMBA

R473

H 2/3F
B

(A)

CH

(2/2)
(A)

CH

H 3/3F
C
(A)

at

BA4560F

(A)

CN801

BA4560F

at

L

CN1301

D SIGNAL ROUTE
(D) (A)

: AUDIO SIGNAL(DIGITAL) : AUDIO SIGNAL(ANALOG)

5

6

7

H 1/3F
8

7

1

2

3

4

PDR-W37 2.3 MAIN ASSY (2/3)

H 2/3F MAIN ASSY(2/3) (PWM2330)
A

CN1101

M CN201 H 3/3 H 3/3

B

H 3/3

C

(D)

A 4/5 CN502
D

(D)

(D)

8

H 2/3F
1

CN601

H 3/3F
2

H 1/3F
3

H 3/3F

H 1/3F
4

5

6

7

8

PDR-W37

: The power supply is shown with the marked box.
A

(at L603)

B
(at L605)

(at L608)

C

YF Ceramic CKSRYF

(at L612)

D SIGNAL ROUTE
(D)

: AUDIO SIGNAL (DIGITAL)

5

6

7

H 2/3F
8

9

1

2

3

4

PDR-W37 2.4 MAIN ASSY (3/3)

H 3/3F
A

MAIN ASSY (PWM2330)

PCB Binder VEF1040

H 2/3F
STBY

22P CH

B

22P CH

16MHz (at L810) R9810

System Control U-com

(at L809) R9809

C

220

220

220

D

10

H 3/3F
1

2

3

220

4

5

6

7

8

PDR-W37

A

I
CN901

CN701

H 2/3F H 1/3F H 2/3F H 1/3F
(at L903)
SXMUTE
(D)

DITOUT

H 2/3F
B

CN902

(D)

STBY

220 220 220

D
A 1/5
CN302
C
220

SIGNAL ROUTE
(D)

TYPES FUNCTION

W37

: AUDIO SIGNAL (DIGITAL)

TWO OPTICAL DIGITAL INPUTS RENTAL COPY LEGATO LINK CONVERSION HI-BIT DEMO INDICATION
AVAILABLE FOR JAPANESE KEYBOARD

CN1201
D

5

6

7

H 3/3F
8

11