Pioneer DEH-4090MP 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-4090MP/XN/ID
CRT4033
CD RECEIVER
DEH-4090MP /XN/ID
DEH-6010MP /XN/UR
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-ZZW. OCT. 2007 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-4090MP Specifications

General

Brand	Pioneer
Model	DEH-4090MP
Category	Car Stereo System
Language	English

Summary

SAFETY INFORMATION

Safety Precautions for those who Service this Unit.

Safety precautions for servicing personnel, including caution regarding laser diode.

[Important Check Points for Good Servicing]

1. Product safety

Guidelines for safe product handling and repair procedures, including parts usage and soldering.

2. Adjustments

Procedures for optimizing product performance and confirming specifications.

3. Lubricants, Glues, and Replacement parts

Guidance on using specified lubricants, adhesives, and replacement parts.

4. Cleaning

Instructions for cleaning specific parts like optical pickups and lenses.

5. Shipping mode and Shipping screws

Procedures for protecting the product during transit via shipping mode or screws.

1. SERVICE PRECAUTIONS

1.1 SERVICE PRECAUTIONS

General safety and handling precautions for service technicians, including power off, IC handling, and component reuse.

1.2 NOTES ON SOLDERING

Guidelines for using lead-free solder, soldering iron temperature, and solder types.

2. SPECIFICATIONS

2.1 SPECIFICATIONS

Technical specifications for the DEH-4090MP/XN/ID model, including general, audio, CD, FM, and AM tuner.

2.2 DISC/CONTENT FORMAT

2.3 PANEL FACILITIES

Head unit Controls

Descriptions of the controls on the head unit, including SRC/OFF, DISP/BACK/SCROLL, MULTI-CONTROL, etc.

Remote control Operation

Information on how to operate the unit using the remote control.

Fixing the front panel

1. Attach the holders to both sides of the front panel.

Instructions for attaching holders to the front panel for mounting.

2. Replace the front panel to the unit.

Procedure for reattaching the front panel to the main unit.

3. Flip the holders into upright positions.

Step to orient the holders into their upright positions.

4. Fix the front panel to the unit using fixing screws.

Securing the front panel to the unit using designated fixing screws.

2.4 CONNECTION DIAGRAM

3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

Essential checks to perform after service to ensure product quality and functionality.

3.2 PCB LOCATIONS

Diagrams showing the locations of main PCBs within the unit.

3.3 JIGS LIST

Jigs and Grease List

Lists of specialized jigs and greases used for service and maintenance.

Cleaning Tools

Prescribed cleaning tools for product maintenance before shipping.

4. BLOCK DIAGRAM

5. DIAGNOSIS

5.1 OPERATIONAL FLOWCHART

Flowchart illustrating the operational sequence and decision points for diagnosis.

5.2 ERROR CODE LIST

(1) Basic Indication Method

Explanation of how error codes are displayed and indicated on the unit.

2) Head unit display examples

Examples of error code displays on different LCD capabilities.

(2) Error Code List

Table detailing error codes, their classes, displayed codes, and potential causes.

5.3 CONNECTOR FUNCTION DESCRIPTION

6. SERVICE MODE

6.1 CD TEST MODE

Procedure for entering and operating the CD Test Mode for diagnostics and adjustments.

7. DISASSEMBLY

Removing the Keyboard Unit (Fig.1,2,3)

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

Removing the Holder (Fig.4)

Instructions for detaching and removing the holder mechanism.

Removing the Case and Panel (Fig.5)

Procedure for detaching the main case and front panel.

7. DISASSEMBLY

Removing the CD Mechanism Module (Fig.6)

Steps to remove the CD mechanism module from the unit.

Removing the Panel Assy (Fig.7,8)

Procedure for removing the panel assembly.

Removing the Panel Unit (Fig.9,10)

Steps to detach and remove the panel unit.

7. DISASSEMBLY

Removing the Tuner amp Unit (Fig.11,12)

Instructions for removing the tuner amplifier unit.

How to hold the Mechanism Unit

Removing the Upper and Lower Frames

Detailed steps for removing the upper and lower frames of the mechanism, including springs and screws.

How to remove the CD Core Unit

How to remove the Pickup Unit

8. EACH SETTING AND ADJUSTMENT

8.1 CD ADJUSTMENT

Precautions and test mode procedures for adjusting the CD mechanism module.

8.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT

8.3 PCL OUTPUT CONFIRMATION

9. EXPLODED VIEWS AND PARTS LIST

9.1 PACKING

Exploded view and parts list for the packing and accessories.

9. EXPLODED VIEWS AND PARTS LIST

PACKING SECTION PARTS LIST

List of parts included in the packing section of the product.

(2) CONTRAST TABLE

Comparison table of parts for DEH-4090MP/XN/ID and DEH-6010MP/XN/UR models.

9.2 EXTERIOR(1)

9.2 EXTERIOR(1)

(1) EXTERIOR(1) SECTION PARTS LIST

Parts list for the exterior components of the unit (Part 1).

(2) CONTRAST TABLE

Comparison table of parts for DEH-4090MP/XN/ID and DEH-6010MP/XN/UR models.

9.3 EXTERIOR(2)

9.3 EXTERIOR(2)

(1) EXTERIOR(2) SECTION PARTS LIST

Parts list for the exterior components of the unit (Part 2).

(2) CONTRAST TABLE

Comparison table of parts for DEH-4090MP/XN/ID and DEH-6010MP/XN/UR models.

9.4 CD MECHANISM MODULE

9.4 CD MECHANISM MODULE

CD MECHANISM MODULE SECTION PARTS LIST

Parts list for the CD mechanism module components.

10. SCHEMATIC DIAGRAM

10.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Overall connection diagram illustrating the system's main component interconnections.

10.2 KEYBOARD UNIT

10.3 CD MECHANISM MODULE(GUIDE PAGE)

10.4 WAVEFORMS

CD CORE UNIT WAVEFORMS

Oscilloscope waveforms for CD core unit signals during various operations.

10.4 WAVEFORMS

Waveform Analysis (Multiple Operations)

Oscilloscope waveforms for various operations like search, eject, and jump.

11. PCB CONNECTION DIAGRAM

11.1 TUNER AMP UNIT

PCB connection diagram for the Tuner Amp Unit.

11.2 KEYBOARD UNIT

11.3 CD CORE UNIT(S10.5COMP2)

11.4 PANEL UNIT

12. ELECTRICAL PARTS LIST

Chip Resistor

List of chip resistors with their circuit symbols, part numbers, and locations.

Chip Capacitor

List of chip capacitors with their circuit symbols, part numbers, and locations.

MISCELLANEOUS

List of miscellaneous components like ICs, transistors, diodes, and inductors.

12. ELECTRICAL PARTS LIST

RESISTORS

Detailed list of resistors with circuit symbols, part numbers, and locations.

CAPACITORS

Detailed list of capacitors with circuit symbols, part numbers, and locations.

12. ELECTRICAL PARTS LIST

RESISTORS

Continued list of resistors with circuit symbols, part numbers, and locations.

CAPACITORS

Continued list of capacitors with circuit symbols, part numbers, and locations.

MISCELLANEOUS

List of miscellaneous components including LEDs and switches.

12. ELECTRICAL PARTS LIST

RESISTORS

Final list of resistors with circuit symbols, part numbers, and locations.

CAPACITORS

Final list of capacitors with circuit symbols, part numbers, and locations.

12. ELECTRICAL PARTS LIST

RESISTORS

Final list of resistors with circuit symbols, part numbers, and locations.

CAPACITORS

Final list of capacitors with circuit symbols, part numbers, and locations.

Miscellaneous Parts List

List of miscellaneous parts like pickup unit and motors.