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ORDER NO.
CRT2878
PUB. NO.
CRT2878
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
VEHICLE
DESTINATION
PRODUCED AFTER
TOYOTA PART No.
ID No.
PIONEER MODEL No.
LEXUS GS430
TAIWAN
May 2002
86120-3A830
P2729
KEX-M8476ZT-03/ES
GS430
Service
Manual


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KEX-M8476ZT-03/ES
- This service manual should be used together with the manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual, refer to the following
manual(s).
Model No.
Order No. Mech. Module
Remarks
KEX-M8476ZT/ES
CRT2056
CX-529
CRT1507
2L
Cassette Mech. Module:Mech.Description, Disassembly


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KEX-M8476ZT-03/ES
EXPLODED VIEWS AND PARTS LIST
EXTERIOR(Page 4)
- EXTERIOR PARTS LIST
Part No.
Mark No.
Description
KEX-M8476ZT/ES
KEX-M8476ZT-03/ES
5
Main Unit
CWM5419
CWM6046
46
Keyboard unit
CWM5116
CWM6160
51
LCD Unit
CWM4932
CWM6165
62
Grille Unit
CXB2404
CXB9807
63
Door
CAT1885
CAT2440
ELECTRICAL PARTS LIST(Page 45)
- Main Unit
Part No.
Symbol and Description
KEX-M8476ZT/ES
KEX-M8476ZT-03/ES
IC791
IC
CA0008AM
HA12187FP
Q962
Chip Transistor
Not used
2SA1162
D941
Diode
MA8043(H)
HZU4R3(B3)
D954
Diode
Not used
UDZ10(B)
R502,705
RA4C681J
CCN1119(680
)
R518
Not used
RS1/16S821J
R519
Not used
RS1/16S151J
R738,751,758
RA4C102J
CCN1120(1K
)
R742
RA4C473J
CCN1131(47K
)
R968
Not used
RS1/10S123J
R969,970,971
Not used
RS1/10S103J
R974
Not used
RS1/8S472J
R999
RS1/10S0R0J
Not used
C505,506
CCSQCH101J50
CCSRCH101J50


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TAPE:-7.3dBs
1kHz 0dB
(250nwb/m)
TUNER:-30dBs
TUNER:-4.4dBs
LCE1
linh
SDIN
stin
PLCE
PLDI
RDI
RDO
rck
TUNER CONTROL PCB
C KEYBOARD UNIT
D
DECK
UNIT
CN251
MAIN UNIT
Consists of
MOTHER PCB
TUNER CONTROL PCB
I F
4
1
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12
34
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A
KEX-M8476ZT-03/ES
SCHEMATIC DIAGRAM
OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS
LIST".
A-a
A-a
A-b
A-b
A-a
A-a
A-b
A-b
A-b
A-b
A-a
A-a
Large size
SCH diagram
Guide page
Detailed page
AF-a
A F


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KEX-M8476ZT-03/ES
TUNER:+13.5dBs
TAPE: -0.1dBs
TUNER:-0.1dBs
TAPE:-0.1dBs
TUNER:-13.3dBs
TAPE: +0.2dBs
G LCD UNIT
MOTHER PCB
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2
2R2
0.022
R022
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
A F
AF-b
A F