Pioneer PRO-R04U 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 2003
PDP-R04U
ARP3178
MEDIA RECEIVER
PDP-R04U
PRO-R04U
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Please connect it to the PLASMA DISPLAY PDP-504PU, PDP-434PU, PRO-504PU or PRO-
434PU, for adjustment and operation inspection.
Model Type Power Requirement Remarks
PDP-R04U TUCK AC120-240V
PRO-R04U KUC AC120V
For details, refer to "Important symbols for good services".
T-ZZK DEC. 2003 printed in Japan

Pioneer PRO-R04U Specifications

General

Frequency Response	20 Hz to 20 kHz
Total Harmonic Distortion	0.08%
Input Sensitivity	200 mV
Channels	2
Dimensions	420 x 133 x 365mm

Summary

SAFETY INFORMATION

1. SAFETY PRECAUTIONS

Important safety guidelines for technicians and continued customer protection, including leakage current checks.

2. PRODUCT SAFETY NOTICE

Details on special safety characteristics of electrical components and replacement parts to prevent hazards.

1. SPECIFICATIONS

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

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

2.2 EXTERIOR SECTION

Exploded views and parts list for the external components of the unit.

2.3 FRONT SECTION

Exploded views and parts list for the front panel components of the unit.

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

Overview of block and schematic diagrams for the Media Receiver.

3.1.2 AV BOARD ASSY

Block diagram and schematic for the AV Board Assy.

3.1.3 POWER SUPPLY UNIT

Block diagram and schematic for the Power Supply Unit.

3.1.4 DTV TUNER BOARD

Block diagram and schematic for the DTV Tuner Board.

3.2 OVERALL WIRING DIAGRAM

Overall wiring diagram illustrating connections between major assemblies.

3.3 MR MAIN BOARD ASSY (1/13)

Block diagram for the MR Main Board Assy, part 1 of 13.

3.4 MR MAIN BOARD ASSY (2/13)

Block diagram for the MR Main Board Assy, part 2 of 13.

3.5 MR MAIN BOARD ASSY (3/13)

Block diagram for the MR Main Board Assy, part 3 of 13.

3.6 MR MAIN BOARD ASSY (4/13)

Block diagram for the MR Main Board Assy, part 4 of 13.

3.7 MR MAIN BOARD ASSY (5/13)

Block diagram for the MR Main Board Assy, part 5 of 13.

3.8 MR MAIN BOARD ASSY (6/13)

Block diagram for the MR Main Board Assy, part 6 of 13.

3.9 MR MAIN BOARD ASSY (7/13)

Block diagram for the MR Main Board Assy, part 7 of 13.

3.10 MR MAIN BOARD ASSY (8/13)

Block diagram for the MR Main Board Assy, part 8 of 13.

3.11 MR MAIN BOARD ASSY (9/13)

Block diagram for the MR Main Board Assy, part 9 of 13.

3.12 MR MAIN BOARD ASSY (10/13)

Block diagram for the MR Main Board Assy, part 10 of 13.

3.13 MR MAIN BOARD ASSY (11/13)

Block diagram for the MR Main Board Assy, part 11 of 13.

3.14 MR MAIN BOARD ASSY (12/13)

Block diagram for the MR Main Board Assy, part 12 of 13.

3.15 MR MAIN BOARD ASSY (13/13)

Block diagram for the MR Main Board Assy, part 13 of 13.

3.16 AV BOARD ASSY (1/7)

Block diagram for the AV Board Assy, part 1 of 7.

3.17 AV BOARD ASSY (2/7)

Block diagram for the AV Board Assy, part 2 of 7.

3.18 AV BOARD ASSY (3/7)

Block diagram for the AV Board Assy, part 3 of 7.

3.19 AV BOARD ASSY (4/7)

Block diagram for the AV Board Assy, part 4 of 7.

3.20 AV BOARD ASSY (5/7)

Block diagram for the AV Board Assy, part 5 of 7.

3.21 AV BOARD ASSY (6/7)

Block diagram for the AV Board Assy, part 6 of 7.

3.22 AV BOARD ASSY (7/7)

Block diagram for the AV Board Assy, part 7 of 7.

3.23 BRIDGE ASSY

Block diagram for the Bridge Assy.

3.24 MDR ASSY

Block diagram for the MDR Assy.

3.25 SR ASSY

Block diagram for the SR Assy.

3.26 FRONT ASSY (1/2)

Block diagram for the Front Assy, part 1 of 2.

3.27 FRONT ASSY (2/2)

Block diagram for the Front Assy, part 2 of 2.

3.28 LED ASSY

Block diagram for the LED Assy.

3.29 AC SW ASSY and POWER SUPPLY UNIT

Block diagrams for AC SW Assy and Power Supply Unit.

3.30 WAVEFORMS

Examples of waveforms for troubleshooting and analysis.

3.31 VOLTAGES

Table listing voltage measurements for various assemblies and connectors.

4. PCB CONNECTION DIAGRAM

4.1 AC SW and MDR ASSYS

PCB connection diagrams for AC SW and MDR assemblies.

4.2 MR MAIN BOARD ASSY

4.3 AV BOARD and SR ASSYS

4.4 BRIDGE and MDR ASSYS

4.5 FRONT and LED ASSY

5. PCB PARTS LIST

6. ADJUSTMENT

6.1 HOW TO ENTER SERVICE FACTORY MODE

Instructions on how to access the service factory mode.

6.2 POSSIBLE CASES WHERE READJUSTMENT IS REQUIRED

Conditions requiring readjustment after assembly or part replacement.

6.3 USING RS-232C COMMANDS

6.4 ADJUSTMENT ITEMS

Video Level Adjustment

Procedure to adjust video signal levels using an oscilloscope and signal generator.

Audio Level Adjustment

Procedure to adjust audio signal levels using a signal generator and tester.

MSP Adjustment

Procedure to adjust signal levels to achieve a minimum waveform on the oscilloscope.

6.5 TRAP SWITCH

6.6 SERVICING USING ONLY THE MEDIA RECEIVER

6.7 SERVICE FACTORY MODE

7. GENERAL INFORMATION

7.1 DIAGNOSIS

Troubleshooting guide for diagnosing image and sound issues.

7.1.2 DISASSEMBLY

7.2 EXPLANATION

7.2.1 PROCESSING IN ABNORMALITY

Explains processing related to abnormal conditions in power supply and fan/temperature sensor circuits.

TRAP_SW

LED-lighting patterns

Defective points assumed from the number of times of LED flashing

7.3 PARTS

7.3.1 IC

List and details of integrated circuits used in the unit.

7.4 CLEANING

8. PANEL FACILITIES

Remote control unit