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Service
Manual ORDER NO.
CRT3108
LS430
AUDIO SYSTEM
HEAD UNIT
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LEXUS LS430 U.S.A., CANADA August 2003 86120-50B60 P6834 FX-MG9187ZT/UC
LEXUS LS430 U.S.A., CANADA August 2003 86120-50B70 P6834 FX-MG9187ZT-91/UC
LEXUS LS430 U.S.A., CANADA August 2003 86120-50B80 P6835 FX-MG9687ZT/UC
LEXUS LS430 U.S.A., CANADA August 2003 86120-50B90 P6835 FX-MG9687ZT-91/UC
Manufactured for TOYOTA
by PIONEER CORPORATION PUB. NO. CRT3108
1 2 3 4
A
For details, refer to "Important symbols for good services".
FX-MG9187ZT/UC FX-MG9687ZT/UC
B
P6834 P6835
ID No. P6834 ID No. P6835
C
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly
CX-890 CRT2376 G1 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- Supplementary model is identical to the original except for the addition of following items.
D
Description Part No.
FX-MG9187ZT-91/UC FX-MG9687ZT-91/UC
Polyethylene Bag CEG1174 CEG1174
Carton CHG4422 CHG4422
Contain Box CHL4422 CHL4422
Protector CHP2319 CHP2319
Protector CHP2320 CHP2320
E
F
2 FX-MG9187ZT/UC
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5 6 7 8
SAFETY INFORMATION A
- CD Player Service Precautions
1. For Pickup Unit(P8)(Service)(CXX1313) handling, 2. During disassembly, be sure to turn the power off
please refer to"Disassembly"(see page 71). since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nector is plugged or unplugged.
taken to prevent an electrostatic discharge(protection 3. Please checking the grating after changing the ser-
by a short pin). vice pickup unit(see page 65).
B
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.
C
D
E
F
FX-MG9187ZT/UC 3
5 6 7 8
1 2 3 4
[ Important symbols for good services ]
A In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
B 3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
C glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
CONTENTS
SAFETY INFORMATION...........................................................................3
1. SPECIFICATIONS ......................................................................................5
D
2. EXPLODED VIEWS AND PARTS LIST......................................................6
2.1 EXTERIOR(1) .......................................................................................6
2.2 EXTERIOR(2) .......................................................................................8
2.3 MECHANISM ASSY(G1)(SERVICE) .................................................10
2.4 CASSETTE MECHANISM MODULE ................................................14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM..................................16
3.1 BLOCK DIAGRAM .............................................................................16
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) .......................18
3.3 SW UNIT, KEYBOARD UNIT ............................................................24
E 3.4 CD CORE UNIT(SERVO UNIT), MOTOR PCB(B) .............................26
3.5 CD CORE UNIT(STS UNIT), MOTOR PCB(A) ..................................28
3.6 PCB UNIT(A,B,C,D,E), LOAD MOTOR PCB .....................................33
3.7 CASSETTE MECHANISM MODULE ................................................34
4. PCB CONNECTION DIAGRAM...............................................................36
4.1 MAIN UNIT........................................................................................36
4.2 SW UNIT............................................................................................40
4.3 KEYBOARD UNIT..............................................................................41
4.4 CD MECHANISM MODULE..............................................................42
F
4.5 CASSETTE MECHANISM MODULE ................................................54
5. ELECTRICAL PARTS LIST .......................................................................56
4 FX-MG9187ZT/UC
1 2 3 4
5 6 7 8
6. ADJUSTMENT ........................................................................................63
A
6.1 CONNECTION DIAGRAM.................................................................63
6.2 CASSETTE ADJUSTMENT...............................................................64
6.3 CD ADJUSTMENT ............................................................................65
6.4 SELF-DIAGNOSIS FUNCTION .........................................................68
7. GENERAL INFORMATION ......................................................................71
7.1 DIAGNOSIS .......................................................................................71
7.1.1 DISASSEMBLY ........................................................................71
7.1.2 PCB LOCATIONS .....................................................................76
7.1.3 CONNECTOR FUNCTION DESCRIPTION ..............................77
7.2 IC ......................................................................................................78 B
7.3 EXPLANATION ..................................................................................82
7.3.1 SYSTEM BLOCK DIAGRAM ...................................................82
7.3.2 OPERATIONAL FLOW CHART................................................84
7.4 NOTES ON SERVICING ....................................................................85
7.4.1 CLEANING ...............................................................................85
7.4.2 FACTORY SETTINGS ..............................................................85
8. OPERATIONS ..........................................................................................86
C
D
1 SPECIFICATIONS
General CD player
Power source.................13.2V DC(10.5V-16.0V allowable) System ...................................Compact disc audio system
Grounding system........................................Negative type Usable discs ..................................................Compact disc
Backup current ............................................. 0.3mA or less Signal format .....................Sampling frequency : 44.1kHz
Dimensions(Chassis) ..............178(W)x100(H)x166(D)mm ............................. Number of guantization bits : 16;linear
(Grille) ....................254(W)x129(H)x47(D)mm S/N .................................................................80dB or more
Distortion..........................................................0.2% or less E
Weight..........................................................................2.7kg
Cassette player
Tape ................................Compact cassette tape(C30-C90)
Tape speed ......4.76 cm/sec.(+0.14 cm/sec.,-0.05 cm/sec.)
Wow and flutter .................................0.2% or less(WRMS)
Crosstalk ........................................................40dB or more
Stereo Separation.........................................30dB or more
S/N .................................................................41dB or more
Distortion.............................................................3% or less F
FX-MG9187ZT/UC 5
5 6 7 8
1 2 3 4
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR(1)
A
B
C
D
E
24
NOTE:
Please use the gray part shown in figure above cut-
F
ting off when you exchange the rubber(CNV5881)
for new parts.
6 FX-MG9187ZT/UC
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NOTE:
A
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to mark on the product are used for disassembly.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)
- EXTERIOR(1) SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BMZ26P040FTC
2 Screw BMZ26P050FTC B
3 Screw(FX-MG9187ZT/UC,
FX-MG9687ZT/UC) BMZ50P080FTC
4 Case CNB2933
5 Seal CNM5714
6 Spacer CNM7426
7 Label CRW1417
8 86208-50010(FX-MG9187ZT/UC,
FX-MG9687ZT/UC) CXB6031
9 86207-50010(FX-MG9187ZT/UC, C
FX-MG9687ZT/UC) CXB6032
10 Screw BPZ20P080FTC
11 Button(MODE) CAC5958
12 Button(TAPE EJECT) CAC5960
13 Button(SCAN) CAC7711
14 Button(SEEK) CAC8446
15 Button(CH) CAC8447
16 Lighting Conductor CNV5683
17 Holder CNV6039
18 Lighting Conductor CNV6722 D
19 Lighting Conductor CNV6723
20 Lighting Conductor CNV7760
21 Keyboard Unit CWM8507
22 Connector(CN902) CKS3751
23 Connector(CN903) CKS4354
24 Rubber CNV5881
25 Holder Unit CXB6898
26 Grille Unit(FX-MG9187ZT/UC) CXB9718
Grille Unit(FM-MG9687ZT/UC) CXB9719
E
27 Screw BPZ26P100FTC
28 Door(FX-MG9187ZT/UC) CAT2427
Door(FX-MG9687ZT/UC) CAT2428
29 Spring CBH2427
30 Guide CNV6262
31 Cassette Mechanism Module EXK4290
32 Screw ISS26P060FTC
33 Knob Unit CXC1629
F
FX-MG9187ZT/UC 7
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A
2.2 EXTERIOR(2)
B
C
D
E
F
8 FX-MG9187ZT/UC
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- EXTERIOR(2) SECTION PARTS LIST
A
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ26P050FTC 46 Tube CDM1028
2 Connector CDE6172 47 Chassis CNA2131
3 90468-04191 CNC9048 48 Holder CNC7477
4 Cushion CNM6917 49 Holder CNC7826
5 Guide CNV6044 50 Holder CNC8160
6 Main Unit CWM8495 51 Holder CNC8162
7 Screw BMZ30P060FTC 52 Transistor(Q809,811,812) 2SB1185
8 Screw(M3x6) CBA1393 53 Holder CNC9560 B
9 Terminal(CN806) CKF1059 54 Sheet CNM5981
10 Connector(CN801) CKM1322 55 Sheet CNM6318
11