PIONEER ELECTRONIC 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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZU. OCT. 1998 Printed in Japan
ORDER NO.
CRT2257
HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-3830R
X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................22
5. ELECTRICAL PARTS LIST........................................32
6. ADJUSTMENT .........................................................39
7. GENERAL INFORMATION.......................................41
7.1 PARTS ................................................................41
7.1.1 IC ...............................................................41
7.1.2 DISPLAY ...................................................45
7.2 DISASSEMBLY ...................................................46
7.3 BLOCK DIAGRAM ..............................................47
8. OPERATIONS AND SPECIFICATIONS ....................48
KEH-3820R X1M/GR
NOTE:
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L series.
KEH-3800R X1M/EW
KEH-3830R/X1M/EW
2
KEH-3830R,3800R,3820R
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. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
10
1
13
7
11
9
8
12
2
5
4
6
3
3
KEH-3830R,3800R,3820R
1 Cord Assy
CDE5797
2 Accessory Assy
CEA1917
3 Screw
CBA1304
4 Handle
CNC5395
5 Bush
CNV3930
*
6 Polyethylene Bag
E36-615
7 Polyethylene Bag
CEG-162
8 Carton
See Contrast table(2)
9 Contain Box
See Contrast table(2)
10 Protector
CHP2102
11 Protector
CHP2101
12-1 Owner's Manual
See Contrast table(2)
12-2 Owner's Manual
See Contrast table(2)
12-3 Installation Manual
See Contrast table(2)
*
12-4 Passport
CRY1013
*
12-5 Warranty Card
CRY1087
13 Case Assy
CXB3520
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) PACKING SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
Part No.
Mark No. Description
KEH-3830R/X1M/EW
KEH-3800R/X1M/EW
KEH-3820R/X1M/GR
8 Carton
CHG3572
CHG3708
CHG3589
9 Contain Box
CHL3572
CHL3708
CHL3589
12-1 Owner's Manual
CRD2791
CRD2791
CRB1521
12-2 Owner's Manual
CRD2792
CRD2792
Not used
12-3 Installation Manual
CRD2793
CRD2793
CRB1522
(2) CONTRAST TABLE
KEH-3830R/X1M/EW, KEH-3800R/X1M/EW and KEH-3820R/X1M/GR are constructed the same except for
the following:
- Owner's Manual, Installation Manual
Model
Part No.
Language
KEH-3830R/X1M/EW
CRD2791
English,Spanish,German
KEH-3800R/X1M/EW
CRD2792
French,Italian,Dutch
CRD2793
English,Spanish,German,
French,Italian,Dutch
KEH-3820R/X1M/GR
CRB1521,CRB1522
German
4
KEH-3830R,3800R,3820R
2.2 EXTERIOR
5
KEH-3830R,3800R,3820R
1 Screw
BSZ26P050FMC
2 Screw
BSZ30P050FMC
3 Cord Assy
CDE5797
4 Fuse(10A)
CEK1136
5 Plug
CKM1290
6 Case
CNB2350
7 Screw
BSZ30P050FMC
8 Screw
BSZ30P200FMC
9 Holder
CNC5704
10 Cushion
CNM5210
11 Insulator
CNM5963
12 Tuner Amp Unit
See Contrast table(2)
13 Screw
BSZ26P080FMC
14 Screw
BSZ26P160FMC
15 Cord
CDE5752
16 FM/AM Tuner Unit
See Contrast table(2)
17 Holder
CNC6554
18 Plug(CN603)
CKM1288
19 Connector(CN602)
CKS3568
20 Connector(CN601)
CKS3581
21 Antenna Jack(CN402)
CKX1056
22 Panel
CNB2344
23 Holder
CNC5399
24 Holder
CNC6845
25 Holder
CNC7996
26 Heat Sink
CNR1505
27 Chassis Unit
See Contrast table(2)
28 Screw
ISS26P055FUC
29 Holder Unit
CXB2687
30 Detach Grille Assy
See Contrast table(2)
31 Screw
BPZ20P060FMC
32 Screw
BPZ20P100FZK
33 Button
See Contrast table(2)
34 Button(1-6)
CAC5785
35 Button
See Contrast table(2)
36 Button
See Contrast table(2)
37 Button
See Contrast table(2)
38 Button(Eject)
CAC5793
39 Button(Display)
CAC5934
40 Button
See Contrast table(2)
41 Button
See Contrast table(2)
42 Spring
CBH2103
43 Cover
See Contrast table(2)
44 Housing
CNV5528
45 Keyboard Unit
See Contrast table(2)
46 LCD(LCD1901)
CAW1542
47 Connector(CN1901)
CKS3580
48 Holder
CNC7981
49 Sheet
CNM5941
50 Lighting Conductor
CNV5527
51 Connector
CNV5531
52 Grille Unit
See Contrast table(2)
53 Button
CAC4836
54 Spring
CBH1834
55 Spring
CBH1835
56 Spring
CBH2182
57 Bracket
CNC6135
58 Bracket
CNC6791
59 Arm
CNV4692
60 Arm
CNV4693
61 Arm
CNV4728
62 Panel Unit
CXB3022
63 Door
CAT1835
64 Spring
CBH1838
65 Screw
IMS20P030FZK
66 Case Assy
CXB3520
67 Cassette Mechanism ModuleEXK3695
68 IC(IC302)
TDA7384
69 Transistor(Q904)
2SD2396
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.