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Service
Manual ORDER NO.
CRT2500
LS430
AUDIO SYSTEM
POWER AMPLIFIER
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LEXUS LS430 North America, Europe, August 2000 86280-50230 GM-9006ZT/E
Middle East, Overseas 86280-50260 GM-9006ZT-91/E
Manufactured for TOYOTA
by PIONEER CORPORATION PUB. NO. CRT2500
GM-9006ZT,9006ZT-91
NOTE:
- The GM-9006ZT-91/E is supplementally genuine part for a TOYOTA vehicle, and a Pioneer product for recycling
stock.
- As for the electrical system, there is no difference between the GM-9006ZT-91/E and GM-9006ZT/E.
- Supplementally model is identical to the original except for the addition of following items.
*:Non spare part
Part No.
Description GM-9006ZT-91/E
Cover *CEG1088
Protector(x2) CHP2325
Carton CHA3071
Contain Box CHL4137
- When diagnosing a product, take care of its heated portion.
Power IC (IC801,802,803)
Power Supply IC (IC901,902)
DSP IC (IC201,251)
Heat Sink
IC Holder
CONTENTS
1. SAFETY INFORMATION............................................2 7. GENERAL INFORMATION.......................................30
2. EXPLODED VIEWS AND PARTS LIST ......................3 7.1 DIAGNOSIS .......................................................30
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....5 7.1.1 DISASSEMBLY.........................................30
4. PCB CONNECTION DIAGRAM................................12 7.1.2 CONNECTOR FUNCTION DESCRIPTION ......32
5. ELECTRICAL PARTS LIST........................................20 7.2 IC ........................................................................33
6. ADJUSTMENT .........................................................24 7.3 EXPLANATION...................................................36
7.3.1 OPERATIONAL FLOW CHART .................36
7.3.2 SYSTEM BLOCK DIAGRAM.....................38
8. SPECIFICATIONS .....................................................39
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.
2
GM-9006ZT,9006ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
3
GM-9006ZT,9006ZT-91
NOTE:
- 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.
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Plug(CN906) CKS4240 21 Connector(CN902) CKM1308
2 Plug(CN905) CKS4242 22 Connector(CN901) CKM1310
3 Screw BMZ30P200FMC 23 Holder CNC8187
4 Screw See Contrast table(2) 24 Bracket CNC8450
5 Screw BSZ26P060FMC 25 Sheet CNM7015
6 Screw BSZ30P060FMC 26 DSP Unit CWM6298
7 Screw BSZ30P100FMC 27 Socket(CN102) CKS3632
8 Chassis CNA2142 28 Socket(CN101) CKS4241
9 Case CNB2429 29 Spacer CNV6284
10 Shield Case CNC8185 30 IC(IC902) BA178M05T
11 Shield Case CNC8186 31 Microphone(MIC401) CPM1011
12 86285-50090 See Contrast table(2) 32 IC(IC801,802,803) PAL006A
13 86286-50020 See Contrast table(2) 33 Connector(CN903) CKM1065
14 Insulator CNM6145 34 Seal CNM7170
15 Seal CNM6686
16 Cushion CNM7034
17 Heat Sink CNR1537
18 Amp Unit CWM6295
19 Screw BPZ30P060FSN
20 Screw BSZ26P060FMC
(2) CONTRAST TABLE
GM-9006ZT/E and GM-9006ZT-91/E are constructed same except for the following:
Part No.
Mark No. Description GM-9006ZT/E GM-9006ZT-91/E
4 Screw BMZ50P060FMC Not used
12 86285-50090 CNC8958 Not used
13 86286-50020 CNC8959 Not used
4
1 2 3 4
GM-9006ZT,9006ZT-91
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM A
A DSP UNIT B AMP UNIT
VCC VCC CN102 CN905
CRYSTAL FRONT-L
OSCILLATOR 8 ELECTRONIC FRONT
8
TWEETER DAC OPE AMP POWER AMP
TWEETER LPF VOLUME
2 2 5 XTI 9
1 IC231 1 IC241 D IC271 TWLOUT 19 FLO FLIN IC701 11 IC801 (FLP)
CK
3 IC321 1 2 IC371 13 13 L901
TC7WU04F TC7W74FU q AK4321VF 2 NJM2068MD IN1 3 NJM2068MD 1 10 PAL006A 7
(FLM)
8 AOUTL SN761029DL BU1
SDATA
7 3 18 PEE 2 6 4 22 25 Q801
P
SYS4 STBY1 MPUT CN901
(TDATA)
TWLO 8
TWLIN Q831
8 B.U
REAR-L REAR
FRONT DAC FRONT LPF OPE AMP 15 POWER AMP
7 (RLM)
5 XTI IC261 IC702 9 WFL- WFL+
IC311 1 11 IC802 17
(RLP)
8 AK4321VF
AOUTL
2 NJM2068MD RLO
11 11 RLIN NJM2068MD 1 10 PAL006A 19
SDATA 18 ELECTRONIC 3
6 4 22 25
VOLUME
(TWLM)
(TWLP)
22
(256FS)
A/D 3
IN1 OUT1 SYS4 Q802
(FDATA)
IC351 OUT3 20 STBY1 MPUT
IC181 DSP 5 IN3 Q832 RL- RL+
AK5351VF 7 IN5 PM0017AM OUT5 18 SUB WOOFER SUB WOOFER
7 21 IC201 OPE AMP POWER AMP
AINL- 18 REAR DAC REAR LPF
SDATA SDI1 PD2061A 7
6 AINL+ 19 SDI0 5 IC703 11 IC803 FL- FL+
XTI IC281 WFO
AK4321VF
IC331 1
9 9 WFIN NJM2068MD 1 10 PAL006A 9
2 2
SDO2
SDO0
16 8 AOUTL NJM2068MD
SDO1 (RDATA) SDATA 18 4 22 25 Q803
6
17 16
MPUT
SYS4 Q833 STBY1
A OUTPUT
CONNECTOR
19 18 17 16 Q950
WOOFER DAC WOOFER LPF
SDI0
SDI1
SDO0
SDO1
5 XTI IC291 (FSW)
IC341 7 B C
AK4321VF 5 (SPD)
15 8 AOUTL NJM2068MD
SDO2 (WDATA) SDATA AOUTR 18 INPUT
DSP 17 CONNECTOR
IC251
PD2061A Q291 SPDO SPD
B
AUDIO INPUT L- L+
(TWLP)
BUFFER
1 2 MUTE
5 5 IC501 (H/U MUT) N-MU
7 6
6 6 NJM2068MD
ACC
5V REGULATOR
Q903
(TWLM)
BU1
68
VDD
VDD5
3 16
VDD5 CN902
TMUT
DSPERR
PEE P Q915 FL- FL+
21 PEE
PEE 11 8
SYSTEM MUTE
Q175
31 MUTI MUTIN
SMUTEIN 13 6
ACC SENSE
Q155
17 ACC1 ACC1
ASENS 6 13
BACK UP SENSE
Q151
BU1
16 BU1
7 12
IC101 BSENS
CN903
Q171
PD5535A RESET
2 NMUT1 NMUT MUTE
9 1 IC131 12 7 (MANU)
RESET S-80730ANDT NAVI/MUTE TX+
79 TX-
NAVIMUTE
BUS DRIVER
22 2 6 TXH TXP1
SYSTEM CONTROLLER AVCIN
15 4
23 1 IC141
AVCOUT HA12187FP 5 TXL TXM1 MUTE
14 5 Q910
20 8
AVCPW PMUT Q912
15
SPEED
1 MUTO MUTEO
MUTE 9 10
SYSPW1
ASLIN1
Q909
ASLIN2
Q911
XOUT
PWSENS 65 FS FS
XIN
5 14
10 12 74 76 66
Q913 B
Q101
(FSW)
C
MUTE A
/STBY 6
(ASL2)
(ASL1)
7 2
IC903
M51957BFP
SYSA5 SYSTEM
AVDD 17 2 5V REGULATOR POWER SWITCH
7
ASL Q904
5 8 SYSD5 SYS5 1 IC902 3
IC402 DVDD 18 1 BU1
NJM2068MD BA178M05T
MIC401 VR401 STBY1
Q401 1 8V REGULATOR
3 8 SYS8 1 IC901 Q906
MIC IC401
NJM2068MD 16 3 SYS8 3
NJM2930F08K
SYS4
Q161
SYSP1 SYSPW1 SYSPW1
8 11
VDD
Q907
C
SPD1 SPD1
10 9
SPEED SENSOR PULSE
CN101 CN906
D
5
1 2 3 4
1 2 3 4
GM-9006ZT,9006ZT-91
3.2 SCHEMATIC DIAGRAM
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL
A PARTS LIST".
A-a
Large size
A-a A-b
SCH diagram
A-a A-b Guide page
A-a A-b Detailed page
B
180
6R8K
BSENSE
ASENSE
C
TAPE:-6.0dBs
270
4R7K
TAPE:-1.2dBs
270
4R7K
D
270
4R7K
6 A B
1 2 3 4
5 6 7 8
GM-9006ZT,9006ZT-91
A
A-b
A DSP UNIT
TAPE:-4.8dBs
B
TAPE:-17.0dBs TAPE:-9.8dBs
C
OUTPUT OFFSET
INDICATION
SPEED SENSOR
PLUSE
TAPE:+2.2dBs
CD:+8.2dBs
TUNER(A): -12.8dBs
TUNER(B): -7.8dBs
33K
2R7K
4R7/50
33K
OUTPUT OFFSET
INDICATION
TUNER(A): USA, OVER SEAS
TUNER(B): EUROPE, MIDDLE EAST TAPE:+22.8dBs
CD:+29.8dBs
D
OUTPUT OFFSET TUNER(A):+7.8dBs
INDICATION TUNER(B):+12.8dBs
OUTPUT OFFSET NOTE :
INDICATION
Symbol indicates a resistor. Decimal points for resistor
No differentiation is made between chip resistors and and capacitor fixed values
discrete resistors. are expressed as :
Symbol indicates a capacitor. 2.2 2R2
UDZS7R5(B)
2R7K
1R8K
18K
CRANKING B AMP UNIT