Pioneer KEX-M8476ZT, KEX-M8176ZT, KEX-M8076ZT Service Manual

ORDER NO.

CRT2224

Se

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vic

e

M

a

nu

a

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PUB. NO. CRT2224

HEAD UNIT

Manufactured for TOYOTA
by PIONEER ELECTRONIC CORPORATION

VEHICLE DESTINATION PRODUCED AFTER ID No. TOYOTA PART No. PIONEER MODEL No.
LEXUS GS300 EUROPE August 1998 P3714 86120-3A531 KEX-M8076ZT-02/EW

KEX-M8076ZT-92/EW

LEXUS GS300 EUROPE August 1998 P3715 86120-3A541 KEX-M8176ZT-02/EW

KEX-M8176ZT-92/EW

LEXUS GS300 OVERSEAS August 1998 P7512 86120-3A571 KEX-M8476ZT-02/ES

KEX-M8476ZT-92/ES

AUDIO SYSTEM

GS300

2

KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
KEX-M8476ZT-02,M8476ZT-92

- This additional service manual is designed to be used together with Model KEX-M8076ZT/EW,KEX­M8176ZT/EW and KEX-M8476ZT/ES Service Manual CRT2056. Refer to it for finding parts numbers
and adjustment,etc. which are not shown in this manual.

EXPLODED VIEWS AND PARTS LIST

EXTERIOR(Page 4)

- EXTERIOR PARTS LIST

Part No.

Mark No. Description KEX-M8076ZT/EW KEX-M8076ZT-02/EW

5 Main Unit CWM4934 CWM6157
46 Keyboard Unit CWM4930 CWM6161
51 LCD Unit CWM4931 CWM6164
62 Grille Unit CXB2400 CXB3202
63 Door CAT1808 CAT1998

- Supplementary model is identical to the original except for the addition of following items.

Description Part No.

KEX-M8076ZT-92/EW,KEX-M8176ZT-92/EW,KEX-M8476ZT/ES
Polyethylene Bag CEG1026
Carton CHA2025
Contain Box CHD2025
Protector CHP1972,CHP1973

Part No.

Mark No. Description KEX-M8176ZT/EW KEX-M8176ZT-02/EW

5 Main Unit CWM4935 CWM6158
46 Keyboard Unit CWM4929 CWM6162
51 LCD Unit CWM4932 CWM6165
62 Grille Unit CXB2401 CXB3203
63 Door CAT1809 CAT1999

Part No.

Mark No. Description KEX-M8476ZT/ES KEX-M8476ZT-02/ES

5 Main Unit CWM5419 CWM6046
46 Keyboard unit CWM5116 CWM6160
51 LCD Unit CWM4932 CWM6165
62 Grille Unit CXB2404 CXB3206
63 Door CAT1885 CAT2002

3

KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92

M8476ZT-02,M8476ZT-92

ELECTRICAL PARTS LIST(Page 45)

Main Unit

Part No.

KEX-M8076ZT/EW KEX-M8076ZT-02/EW

Symbol and Description KEX-M8176ZT/EW KEX-M8176ZT-02/EW

Q962 Not used 2SA1162
D941 MA8043(H) HZU4R3(B3)
D954 Not used UDZ10(B)
R968 Not used RS1/10S123J
R969,970,971 Not used RS1/10S103J

R974 Not used RS1/8S472J
R999 RS1/10S0R0J Not used

Main Unit

Part No.

Symbol and Description KEX-M8476ZT/ES KEX-M8476ZT-02/ES

Q962 Not used 2SA1162
D941 MA8043(H) HZU4R3(B3)
D954 Not used UDZ10(B)
R518 Not used RS1/16S821J
R519 Not used RS1/16S151J

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

4

A

1

234

B

C

D

12

34

KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
KEX-M8476ZT-02,M8476ZT-92

TUNER CONTROL PCB

KEYBOARD UNIT

MOTHER
PCB

DECK UNIT

AVC-LAN

TUNER MUTE

MIX-A

UNBAL

RESET

ANTI-THEFT

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-b

A-a

A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

A

F

F

5

5

6

7

8

A

B

C

D

5

6

7

8

KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92

M8476ZT-02,M8476ZT-92

5

6

7

8

MIX-AMP

NBAL-BAL

ANALOG SWITCH

MUTE

ANT

8V REGULATOR

5V REGULATOR

8V REGULATOR

LCD LAMP

DRIVE

ILL DRIVE

LCD UNIT

A-b

A

F

F

6

A

1

234

B

C

D

12

34

KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
KEX-M8476ZT-02,M8476ZT-92

TUNER CONTROL PCB

KEYBOARD UNIT

MOTHER

PCB

DECK UNIT

RESE

ANTI-THEFT

M8076ZT-02/EW

M8176ZT-02/EW ONLY

M8076ZT-02/EW

M8176ZT-02/EW ONLY

M8176ZT-02/EW

M8476ZT-02/ES

ONLY

M8076ZT-02/EW

M8176ZT-02/EW ONLY

M8076ZT-02/EW

M8176ZT-02/EW ONLY

M8076ZT-02/EW

M8176ZT-02/EW

ONLY

M8076ZT-02/EW

M8176ZT-02/EW ONLY

A-a

A-b

A-a

F