Pioneer KEH-P6950 User Manual

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. NOV. 1999 Printed in Japan
ORDER NO.
CRT2430
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P690 X1N/UC
Service
Manual
KEH-P690/X1N/UC
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment
KEH-P6950 X1N/ES
NOTE:
- 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. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9
4. PCB CONNECTION DIAGRAM ................................20
5. ELECTRICAL PARTS LIST ........................................30
6. ADJUSTMENT..........................................................36
7. GENERAL INFORMATION .......................................37
7.1 DIAGNOSIS ........................................................37
7.1.1 TEST MODE..............................................37
7.1.2 DISASSEMBLY .........................................40
7.2 PARTS .................................................................41
7.2.1 IC................................................................41
7.2.2 DISPLAY....................................................44
8. OPERATIONS AND SPECIFICATIONS.....................45
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Pioneer KEH-P6950 Specifications

General

Type	Car Receiver
DIN Size	1 DIN
Channels	4
Tuner	AM/FM
CD Playback	Yes
MP3 Playback	Yes
USB Port	No
Bluetooth	No
Equalizer	Yes
Display Type	LCD
Preamp Outputs	Yes
Detachable Face	Yes
CD-R/RW Compatibility	Yes
WMA Playback	Yes
AUX Input	Yes
CD Changer Control	Yes
Max Power Output	50W x 4
RMS Power Output	22 Watts x 4
Anti-Theft Protection	Yes, Detachable Face
EQ	3-Band
Preamp Outputs (Details)	Front/Rear
Frequency Response	5 - 20000 Hz
Dimensions	178mm x 50mm x 160mm

Summary

SAFETY INFORMATION

EXPLODED VIEWS AND PARTS LIST

2.3 CASSETTE MECHANISM MODULE

Detailed diagram and parts list for the cassette mechanism.

BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

Provides an overview of the product's functional blocks and their interconnections.

B DECK UNIT

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Illustrates how various units connect to each other.

A TUNER AMP UNIT

3.3 FM/AM TUNER UNIT

Detailed schematic diagram of the FM/AM Tuner Unit.

3.4 CASSETTE MECHANISM MODULE

Schematic diagram for the cassette mechanism module.

PCB CONNECTION DIAGRAM

4.1 TUNER AMP UNIT

Illustrates the component placement and connections on the Tuner Amplifier PCB.

4.2 FM/AM TUNER UNIT

PCB layout and connections for the FM/AM Tuner Unit.

4.3 KEYBOARD UNIT

PCB layout and connections for the Keyboard Unit.

4.4 DECK UNIT,REEL SENSE PCB,PANEL PCB UNIT

PCB layouts for Deck, Reel Sense, and Panel units.

D DECK UNIT

PCB layout and connections for the Deck Unit.

ELECTRICAL PARTS LIST

RESISTORS

CAPACITORS

ADJUSTMENT

DOLBY B NR ADJUSTMENT

GENERAL INFORMATION

7.1 DIAGNOSIS

Information on diagnosing issues and understanding product behavior.

7.1.1 TEST MODE

Detailed steps and key combinations to enter the product's test mode.

Error Cause (Error Number) Code

Lists error codes, classifications, descriptions, and their causes for troubleshooting.

7.1.2 DISASSEMBLY

Step-by-step guide for disassembling the unit.

PARTS

7.2.1 IC

Lists pin functions and operations for integrated circuits (ICs).

Pin Functions (PE5084A)

Pin Functions (PD6279A)

Pin Functions (PAL005A)

7.2.2 DISPLAY

Diagram and pin assignments for the display unit.

CAW1565

Connecting the Units