Pioneer DEH-23UB/XSUC User Manual

ORDER NO.
PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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 2010
DEH-23UB/XSUC
CRT4630
CD RDS RECEIVER
DEH-23UB /XSUC
DEH-2390UB/XNID
This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3269 CRT4488 S11.1STD-DOUT CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZZ OCT. 2010 Printed in Japan
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Pioneer DEH-23UB/XSUC Specifications

General

Power Output	50 W x 4
USB Port	Yes
Bluetooth	No
CD Playback	Yes
Audio Formats Supported	MP3, WMA, WAV
Display Type	LCD
DIN Size	1-DIN
RMS Power Output	22 W x 4
AUX Input	Yes
Remote Control	Yes
Tuner	AM/FM
Equalizer	5-Band

Summary

SAFETY INFORMATION

Important Check Points for Good Servicing

Product Safety

Safety precautions for product handling and repair.

Adjustments

Procedures for optimizing product performance and confirming specifications.

Lubricants, Glues, and Replacement parts

Guidance on using specified lubricants and adhesives for repairs.

Cleaning

Instructions for cleaning parts to restore performance.

Shipping mode and Shipping screws

Procedures for setting shipping mode or installing screws for transit protection.

SERVICE PRECAUTIONS

SERVICE PRECAUTIONS (1.1)

General precautions and safety guidelines for servicing the unit.

NOTES ON SOLDERING (1.2)

Specific instructions and precautions for using lead-free solder during repairs.

SPECIFICATIONS

SPECIFICATIONS (2.1)

Technical specifications for the DEH-23UB/XSUC model.

DISC/CONTENT FORMAT (2.2)

Supported disc and content file formats for the unit.

PANEL FACILITIES (2.3)

Description of the unit's front panel features and remote control functions.

CONNECTION DIAGRAM (2.4)

Diagrams illustrating power, speaker, and optional component connections.

BASIC ITEMS FOR SERVICE

CHECK POINTS AFTER SERVICING (3.1)

Essential checks to perform after completing service procedures.

PCB LOCATIONS (3.2)

Identification and location of the main printed circuit boards (PCBs) within the unit.

JIGS LIST (3.3)

List of specialized jigs and tools required for specific service tasks.

CLEANING (3.4)

Procedures for cleaning unit components before shipping.

BLOCK DIAGRAM

BLOCK DIAGRAM (4.1)

Overall block diagram illustrating the unit's internal system architecture.

DIAGNOSIS

OPERATIONAL FLOWCHART (5.1)

Flowchart detailing the power-on operation sequence and checks.

ERROR CODE LIST (5.2)

List of CD error codes, their meanings, and possible causes.

CONNECTOR FUNCTION DESCRIPTION (5.3)

Description of the function of each connector on the unit's rear panel.

SERVICE MODE

DISPLAY TEST MODE (6.1)

Procedure to enter and use the display test mode for checking system information.

CD TEST MODE (6.2)

Detailed test modes for CD mechanism adjustment and checks.

DISASSEMBLY

Removing the Panel Assy

Step-by-step guide to removing the front panel assembly.

Removing the CD Mechanism Module

Procedure for removing the CD mechanism module from the unit.

Removing the Tuner Amp Unit

Instructions for removing the Tuner Amp Unit.

Disassembling the Panel Part

Steps for disassembling the front panel components.

How to remove the PU unit

Detailed procedure for removing the pickup (PU) unit from the CD mechanism.

EACH SETTING AND ADJUSTMENT

CD ADJUSTMENT (8.1)

Procedures and precautions for adjusting the CD mechanism module.

CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT (8.2)

Method to check grating angle after replacing the pickup unit.

PCL OUTPUT CONFIRMATION (8.3)

Procedure to confirm PCL output signal for IC601.

EXPLODED VIEWS AND PARTS LIST

PACKING (9.1)

Exploded view and parts list for the product's packing and accessories.

EXTERIOR (9.2)

Exploded view of the unit's exterior components and their part numbers.

CD MECHANISM MODULE (9.3)

Exploded view and parts list for the CD mechanism module.

SCHEMATIC DIAGRAM

TUNER AMP UNIT (GUIDE PAGE) (10.1)

Schematic diagram for the Tuner Amp Unit, showing component layout.

KEYBOARD UNIT (10.2)

Schematic diagram for the Keyboard Unit, detailing its circuitry.

CD CORE UNIT (S11.1STD-DOUT) (10.3)

Schematic diagram for the CD Core Unit, illustrating its internal connections.

WAVEFORMS (10.4)

Oscilloscope waveforms for various signal points within the CD Core Unit.

PCB CONNECTION DIAGRAM

TUNER AMP UNIT (11.1)

PCB connection diagram for the Tuner Amp Unit, showing component placement.

KEYBOARD UNIT (11.2)

PCB connection diagram for the Keyboard Unit, showing component placement.

CD CORE UNIT (S11.1STD-DOUT) (11.3)

PCB connection diagram for the CD Core Unit, showing component placement.

ELECTRICAL PARTS LIST