PIONEER KEH-1940EW Service Manual

Cover page of PIONEER KEH-1940EW Service Manual

Service Manual for PIONEER KEH-1940EW, downloadable as a PDF file.

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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-ZZY. NOV. 1999 Printed in Japan
ORDER NO.
CRT2425
HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER
KEH-1940
X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..10
4. PCB CONNECTION DIAGRAM................................20
5. ELECTRICAL PARTS LIST........................................28
6. ADJUSTMENT .........................................................32
7. GENERAL INFORMATION.......................................34
7.1 DISASSEMBLY ..................................................34
7.2 PARTS ................................................................35
7.2.1 IC ...............................................................35
7.2.2 DISPLAY ...................................................38
8. OPERATIONS AND SPECIFICATIONS ....................39
KEH-1960
X1M/EW
KEH-1940/X1M/EW
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-644
CRT1800
2M
Cassette Mech. Module:Circuit Description, Mech.Description, Disassembly
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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-ZZY. NOV. 1999 Printed in Japan
ORDER NO.
CRT2425
HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER
KEH-1940
X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..10
4. PCB CONNECTION DIAGRAM................................20
5. ELECTRICAL PARTS LIST........................................28
6. ADJUSTMENT .........................................................32
7. GENERAL INFORMATION.......................................34
7.1 DISASSEMBLY ..................................................34
7.2 PARTS ................................................................35
7.2.1 IC ...............................................................35
7.2.2 DISPLAY ...................................................38
8. OPERATIONS AND SPECIFICATIONS ....................39
KEH-1960
X1M/EW
KEH-1940/X1M/EW
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-644
CRT1800
2M
Cassette Mech. Module:Circuit Description, Mech.Description, Disassembly
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2
KEH-1940,1960
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
1
4
3
5
9
16
15
6
10
8
7
13
11
12
2
14
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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3
KEH-1940,1960
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.
- PACKING SECTION PARTS LIST
Part.No
Mark No. Description
KEH-1940/X1M/EW
KEH-1960/X1M/EW
1 Accessory Assy
CEA1917
CEA1917
2 Screw
CBA1304
CBA1304
3 Handle
CNC5395
CNC5395
4 Bush
CNV3930
CNV3930
*
5 Polyethylene Bag
E36-615
E36-615
6 Polyethylene Bag
CEG-162
CEG-162
7 Carton
CHG3911
CHG3912
8 Contain Box
CHL3911
CHG3912
9 Protector
CHP1622
CHP1622
10 Protector
CHP1623
CHP1623
11 Owner's Manual
CRD3094
CRD3094
12 Installation Manual
CRD3096
CRD3096
*
13 Passport
CRY1013
CRY1013
*
14 Warranty Card
CRY1157
CRY1157
15 Case Assy
CXB3520
CXB3520
16 Cord Assy
CDE6212
CDE6212
- Owner's Manual
Model
Part No.
Language
KEH-1940/X1M/EW
CRD3094
English, Spanish, German, French, Italian, Dutch
KEH-1960/X1M/EW
- Installation Manual
Model
Part No.
Language
KEH-1940/X1M/EW
CRD3096
English, Spanish, German, French, Italian, Dutch
KEH-1960/X1M/EW
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4
KEH-1940,1960
2.2 EXTERIOR
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5
KEH-1940,1960
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
1 Screw
BSZ26P050FMC
2 Screw
BSZ30P055FUC
3 Screw
BSZ30P060FMC
4 Screw
BSZ30P100FMC
5 Cord Assy
CDE6212
6 Cap
CKX-003
7 Case
CNB2481
8 Holder
CNC5704
9 Insulator
CNM5025
10 Cushion
CNM5210
11 Tuner Amp Unit
CWM6740
12 Screw
BSZ26P080FMC
13 Screw
BSZ26P140FMC
14 FM/AM Tuner Unit
CWE1466
15 Holder
CNC6554
16 Plug(CN603)
CKM1270
17 Connector(CN601)
CKS3362
18 Connector(CN602)
CKS3581
19 Antenna Jack(CN301)
CKX1056
20 Panel
CNB2246
21 Holder
CNC5399
22 Holder
CNC6216
23 Heat Sink
CNC6217
24 Holder
CNC6845
25 Holder Unit
CXB2687
26 Chassis Unit
See Contrast table(2)
27 Detach Grille Assy
See Contrast table(2)
28 Screw
BPZ20P120FZK
29 Button(EJECT)
See Contrast table(2)
30 Button(REW)
See Contrast table(2)
31 Button(FF)
See Contrast table(2)
32 Button(CROSS)
See Contrast table(2)
33 Button(TUNER/BAND)
See Contrast table(2)
34 Button(1-6)
CAC6300
35 Button(DETACH)
See Contrast table(2)
36 Spring
CBH1836
37 Spring
CBH2307
38 Cover
See Contrast table(2)
39 Keyboard Unit
See Contrast table(2)
40 LCD(LCD901)
CAW1568
41 Connector(CN901)
CKS3580
42 Holder
CNC8525
43 Sheet
CNM6486
44 Lighting Conductor
CNV5969
45 Rubber
CNV5970
46 Connector
CNV5972
47 Grille Unit
See Contrast table(2)
48 Button
CAC4836
49 Spring
CBH1834
50 Spring
CBH1835
51 Spring
CBH2367
52 Bracket
CNC6135
53 Bracket
CNC6791
54 Arm
CNV4692
55 Arm
CNV4693
56 Arm
CNV4728
57 Panel Unit
See Contrast table(2)
58 Door
See Contrast table(2)
59 Spring
CBH1838
60 Panel
See Contrast table(2)
61 Screw
IMS20P030FZK
62 Fuse(10A)
CEK1136
63 Cassette Mechanism Assy
EXK3410
64 IC(IC501)
TDA7384
65 Transistor(Q804)
2SD2395

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