Pioneer DEH-P7950UB/XN/ES User Manual

ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2007
DEH-P690UB/XN/UC
CRT3883
CD RECEIVER
DEH-P690UB /XN/UC
DEH-P6900UB /XN/UC
DEH-P7950UB /XN/ES
This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks
CX-3195 CRT3815 S10.5COMP2 CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZA. JAN. 2007 Printed in Japan

Pioneer DEH-P7950UB/XN/ES Specifications

General

Model	DEH-P7950UB/XN/ES
DIN Size	1 DIN
Channels	4
Max Power Output	50 W x 4
RMS Power Output	22 W x 4
Tuner	AM/FM
CD Playback	Yes
MP3 Playback	Yes
WMA Playback	Yes
AAC Playback	Yes
USB Port	Yes
Bluetooth	No
Equalizer	Yes
Preamp Outputs	3 (Front, Rear, Subwoofer)
Preamp Voltage	4 V
Sub Preamp Output	Yes
Auxiliary Input	Yes
Built-in DSP	Yes
iPod Compatibility	Yes
Detachable Face	Yes
Remote Control	Yes
CEA-2006 Compliant	Yes
Satellite Radio Ready	Yes
HD Radio	No
RMS Power Bandwidth	20 Hz - 20 kHz

Summary

Safety Information

Service Precautions

Precautions for safe servicing, handling, and general safety aspects.

Important Check Points for Good Servicing

Product Safety Checks

2. Exploded Views and Parts List

CD Mechanism Module Exploded View

Exploded view and parts list for the CD mechanism module.

3. Block Diagram and Schematic Diagram

System Block Diagram

Illustrates the overall system architecture and functional blocks.

Overall Connection Diagram

Diagram showing interconnections between major system units.

CD Mechanism Module Schematic

4. PCB Connection Diagram

Tuner Amp Unit PCB Connection Diagram

CD Core Unit PCB Connection Diagram

5. Electrical Parts List

6. Adjustment

CD Adjustment Procedures

Cautions and step-by-step guide for adjusting the CD mechanism.

Grating Check After Pickup Unit Replacement

Procedure to check pickup unit grating angle and phase difference.

Error Mode Diagnostics

List of error codes, their meanings, and potential causes for CD operation.

System Microcomputer Test Program

Test Mode Operations

Details on entering and using the test mode for various functions and updates.