Pioneer ES300 User manual

ORDER NO.
CRT2393
PUB. NO. CRT2393
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
ES300
Service
Manual
VEHICLE DESTINATION PRODUCED AFTER ID No. TOYOTA PART No. PIONEER MODEL No.
LEXUS ES300 U.S.A.,CANADA August 1999 P1715 86120-33320 KEX-M8196ZT/UC
KEX-M8196ZT-91/UC
LEXUS ES300 MIDDLE EAST August 1999 P2724 86120-33241 KEX-M8396ZT-02/ES
KEX-M8396ZT-92/ES

ORDER NO.
CRT2456
PUB. NO. CRT2456
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
ES300
Service
Manual
VEHICLE DESTINATION PRODUCED AFTER ID No. TOYOTA PART No. PIONEER MODEL No.
LEXUS ES300 MIDDLE EAST January 2000 P2726 86120-33390 KEX-M8396ZT-03/ES
KEX-M8396ZT-93/ES

KEX-M8396ZT-03,M8396ZT-93
NOTE:
-KEX-M8396ZT-93/ES is supplementary genuine part for a TOYOTA vehicle, and a Pioneer product for
recycling stock.
-Supplementary model is identical to the original except for the addition of following items.
Part No.
Description KEX-M8396ZT-93/ES
Polyethylene Bag CEG1026
Carton CHA2025
Contain Box CHL4051
Protector CHP1888,1889
-This service manual should be used together with the following manual(s):
Model Order No. Mech. Module Remarks
CX-529 CRT1507 2L Cassette Mech. Module:Mech.Description, Disassembly
KEX-M8396ZT-02/ES CRT2393
EXPLODED VIEWS AND PARTS LIST
EXTERIOR(Page 4)
-EXTERIOR SECTION PARTS LIST
Part No.
Mark No. Description KEX-M8396ZT-02/ES KEX-M8396ZT-03/ES
48 Grille Unit CXB5281 CXB5860
49 Door CAT2126 CAT2163
58 Panel CNS5175 CNS5954
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 ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 1999 K-ZZS. DEC. 1999 Printed in Japan

2
KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
-Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
P 1 7 1 5
NOTE:
-KEX-M8196ZT-91/UC and KEX-M8396ZT-92/ES are supplementary genuine part for a TOYOTA vehicle,
and a Pioneer product for recycling stock.
-Supplementary model is identical to the original except for the addition of following items.
Part No.
Description KEX-M8196ZT-91/UC KEX-M8396ZT-92/ES
Polyethylene Bag CEG1026 CEG1026
Carton CHA2025 CHA2025
Contain Box CHL3842 CHL3841
Protector CHP1888,1889 CHP1888,1889
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10
4. PCB CONNECTION DIAGRAM ................................28
5. ELECTRICAL PARTS LIST ........................................45
6. ADJUSTMENT..........................................................56
7. GENERAL INFORMATION .......................................60
7.1 TEST MODE ......................................................60
7.2 ERROR NUMBERS INDICATION......................62
7.3 DIAGNOSIS.......................................................63
7.3.1 DIAGNOSIS MODE .................................63
7.3.2 DISASSEMBLY ........................................67
7.3.3 CONNECTOR FUNCTION DESCRIPTION ..68
7.4 PARTS................................................................69
7.4.1 IC ..............................................................69
7.4.2 DISPLAY...................................................71
7.5 SYSTEM BLOCK DIAGRAM.............................72
8. OPERATIONS AND SPECIFICATIONS.....................73
KEX-M8196ZT/UC
-This service manual should be used together with the following manual(s):
Model Order No. Mech. Module Remarks
CX-529 CRT1507 2L Cassette Mech. Module:Circuit Description, Mech.Description, Disassembly
P 2 7 2 1
KEX-M8396ZT-02/ES
ID No. P1715 ID No. P2724

3
KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
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.

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KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
-KEX-M8196ZT/UC

5
KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
Mark No. Description Part No. Mark No. Description Part No.
-EXTERIOR SECTION PARTS LIST
1 Screw BMZ26P050FMC
2 Screw BMZ30P050FMC
3 Case CNB1980
4 Insulator CNM5987
5 Spacer CNM5293
6 Main Unit CWM6072
7 Chassis Unit CXB3159
8Cassette Mechanism ModuleEXK3240
9 Screw IMS30P050FMC
10 MIC(MIC351) CPM1011
11 Screw BMZ30P060FMC
12 Screw(M3x5) CBA1409
13 Connector CDE5764
14 Connector(CN901) CKM1311
15 Plug(CN902) CKM1221
16 Connector(CN751) CKS2826
17 Connector(CN401) CKS3578
18 Connector(CN652,653) CKS3009
19 Plug(CN701,702) CKS3156
20 Antenna Jack(CN651) CKX1024
21 Holder(CN1) CNC2218
22 Holder CNC4981
23 Holder CNC7716
24 Holder CNC6058
25 •••••
26 FM/AM Tuner Unit CWE1523
27 Screw BPZ26P100FMC
28 Button(UP,DOWN) CAC5889
29 Button(EJECT) CAC6181
30 Button(1,2) CAC6177
31 Button(3,4) CAC6178
32 Button(5,6) CAC6179
33 Button(SCAN,P.SCAN) CAC6180
34 Button(AM) CAC6182
35 Button(FM1/2) CAC6019
36 Button(TAPE) CAC6020
37 Button(CD) CAC6021
38 Holder CNV5561
39 Holder CNV5560
40 Holder CNV3647
41 Holder CNV3648
42 LCD Unit CWM6074
43 Keyboard Unit CWM6073
44 Knob Unit CXB3157
45 Spring CBL-108
46 Knob Unit CXB3158
47 Spring CBL-108
48 Grille Unit CXB3160
49 Door CAT1990
50 Spring CBH1371
51 Cushion CNM6317
52 Earth Plate CNC8383
53 Rubber CNV5558
54 Rubber CNV5556
55 Rubber CNV5557
56 Holder CNC6774
57 Cushion CNM6411
58 Panel CNS5175
59 Screw BPZ20P060FMC
60 LCD CAW1528
61 Connector(CN1905) CKS2757
62 Holder CNV5559
63 Connector(CN1901,1902) CKS2666
64 Connector(CN1904) CKS2757
65 IC(IC921) PA2024A
66 Transistor(Q958,959) 2SB942
67 Volume(VR901-905) CCS1119
68 Volume(VR1901) CCS1226
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.
-KEX-M8196ZT/UC

6
KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
-KEX-M8396ZT-02/ES

7
KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ26P050FMC
2 Screw BMZ30P050FMC
3 Case CNB1980
4 Insulator CNM5987
5 Spacer CNM5293
6 Main Unit CWM7069
7 Chassis Unit CXB3159
8Cassette Mechanism ModuleEXK3240
9 Screw IMS30P050FMC
10 MIC(MIC351) CPM1011
11 Screw BMZ30P060FMC
12 Screw(M3x5) CBA1409
13 Connector CDE5764
14 Connector(CN901) CKM1311
15 Plug(CN902) CKM1221
16 Connector(CN751) CKS2826
17 Connector(CN401) CKS3578
18 Connector(CN652,653) CKS3009
19 Plug(CN701,702) CKS3156
20 Antenna Jack(CN651) CKX1024
21 Holder(CN1) CNC2218
22 Holder CNC4981
23 Holder CNC7716
24 Holder CNC6058
25 Shield Unit CXB3865
26 Tuner Unit CWE1457
27 Screw BPZ26P100FMC
28 Button(UP,DOWN) CAC5889
29 Button(EJECT) CAC6181
30 Button(1,2) CAC6177
31 Button(3,4) CAC6178
32 Button(5,6) CAC6179
33 Button(SCAN,P.SCAN) CAC6180
34 Button(AM/SW) CAC6183
35 Button(FM) CAC6022
36 Button(TAPE) CAC6020
37 Button(CD) CAC6021
38 Holder CNV5561
39 Holder CNV5560
40 Holder CNV3647
41 Holder CNV3648
42 LCD Unit CWM7071
43 Keyboard Unit CWM7070
44 Knob Unit CXB3157
45 Spring CBL-108
46 Knob Unit CXB3158
47 Spring CBL-108
48 Grille Unit CXB5281
49 Door CAT2126
50 Spring CBH1371
51 •••••
52 •••••
53 Rubber CNV5558
54 Rubber CNV5556
55 Rubber CNV5557
56 Holder CNC6122
57 Cushion CNM6411
58 Panel CNS5175
59 Screw BPZ20P060FMC
60 LCD CAW1528
61 Connector(CN1905) CKS2757
62 Holder CNV5559
63 Connector(CN1901,1902) CKS2666
64 Connector(CN1904) CKS2757
65 IC(IC921) PA2024A
66 Transistor(Q958,959) 2SB942
67 Volume(VR901-905) CCS1119
68 Volume(VR1901) CCS1226
-EXTERIOR SECTION PARTS LIST
-KEX-M8396ZT-02/ES

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KEX-M8196ZT,M8196ZT-91,M8396ZT-02,M8396ZT-92
2.2 CASSETTE MECHANISM MODULE