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. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZS. NOV. 1998 Printed in Japan
ORDER NO.
CRT2305
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P7800R
X1N/EW
Service
Manual
KEH-P6800R X1N/EW
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.
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
CONTENTS
1. SAFETY INFORMATION ...........................................2
2. EXPLODED VIEWS AND PARTS LIST......................2
3. SCHEMATIC DIAGRAM ..........................................14
4. PCB CONNECTION DIAGRAM ...............................26
5. ELECTRICAL PARTS LIST .......................................36
6. ADJUSTMENT ........................................................46
7. GENERAL INFORMATION ......................................48
7.1 PARTS.................................................................48
7.1.1 IC ...............................................................48
7.1.2 DISPLAY ...................................................53
7.2 DIAGNOSIS........................................................54
7.2.1 DISASSEMBLY .........................................54
7.2.2 TEST MODE .............................................55
7.3 BLOCK DIAGRAM..............................................58
8. OPERATIONS AND SPECIFICATIONS ...................59
KEH-P7800R/X1N/EW
2
KEH-P7800R,P6800R
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
- KEH-P7800R/X1N/EW
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.
11
8
24
5
4
6
3
2
7
12
13
10
9
14
15
1
- Owner's Manual, Installation Manual
Model
Part No.
Language
KEH-P7800R/X1N/EW
CRD2744,2747
English, Spanish
CRD2745,2748
German, French
CRD2746,2749
Italian, Dutch
3
KEH-P7800R,P6800R
1 Cord Assy
CDE5757
2 Accessory Assy
CEA1917
3 Screw
CBA1304
4 Handle
CNC5395
5 Bush
CNV3930
*
6 Polyethylene Bag
E36-615
7 Polyethylene Bag
CEG-162
8-1 Owner's Manual
CRD2744
8-2 Owner's Manual
CRD2745
8-3 Owner's Manual
CRD2746
8-4 Installation Manual
CRD2747
8-5 Installation Manual
CRD2748
8-6 Installation Manual
CRD2749
*
8-7 Passport
CRY1013
*
8-8 Warranty Card
CRY1087
9 Battery
CEX1030
10 Carton
CHG3548
11 Contain Box
CHL3548
12 Protector
CHP2101
13 Protector
CHP2102
14 Inner Box
CHW1754
15 Remote Control Assy
CXB3488
16 Screw Assy
CZE3169
*
17 Polyethylene Bag
CEG-127
*
18 Hexagonal Wrench
CZE3176
*
19 Screw
RMZ30H060FBK
20 Belt
CZN6416
21 Holder Assy
CZX3172
22 Holder Assy
CZX3173
23 Remote Control Assy
CZX3231
24 Case Assy
CXB3520
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST
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.
20
22
21
23
19
18
17
16
15
4
KEH-P7800R,P6800R
- KEH-P6800R/X1N/EW
11
8
24
5
4
6
3
2
7
12
13
10
14
1
5
KEH-P7800R,P6800R
- Owner's Manual, Installation Manual
Model
Part No.
Language
KEH-P6800R/X1N/EW
CRD2750,2753
English, Spanish
CRD2751,2754
German, French
CRD2752,2755
Italian, Dutch
1 Cord Assy
CDE5757
2 Accessory Assy
CEA1917
3 Screw
CBA1304
4 Handle
CNC5395
5 Bush
CNV3930
*
6 Polyethylene Bag
E36-615
7 Polyethylene Bag
CEG-162
8-1 Owner's Manual
CRD2750
8-2 Owner's Manual
CRD2751
8-3 Owner's Manual
CRD2752
8-4 Installation Manual
CRD2753
8-5 Installation Manual
CRD2754
8-6 Installation Manual
CRD2755
*
8-7 Passport
CRY1013
*
8-8 Warranty Card
CRY1087
9
·····
10 Carton
CHG3674
11 Contain Box
CHL3674
12 Protector
CHP2101
13 Protector
CHP2102
14 Inner Box
CHW1754
15-23
·····
24 Case Assy
CXB3520
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST