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Pioneer PDP-427XD User Manual

Pioneer PDP-427XD
206 pages
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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 2006
PDP-427XD
ARP3391
PLASMA TELEVISION
PDP-427XD
PDP-4270XD
PDP-427XA
PDP-4270XA
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
This service manual should be used together with the following manual(s).
Model Type Power Requirement Remarks
PDP-427XD WYVIXK5 AC 220 V to 240 V
PDP-4270XD WYVIXK5 AC 220 V to 240 V
PDP-427XA
WYVIXK5 AC 220 V to 240 V
WYV5 AC 220 V to 240 V
PDP-4270XA
WYVIXK5 AC 220 V to 240 V
WYV5 AC 220 V to 240 V
Model No. Order No. Remarks
PDP-427XD, PDP-4270XD,
PDP-427XA, PDP-4270XA
ARP3392 SCHEMATIC DIAGRAM, PCB CONNECTION DIAGRAM
For details, refer to "Important Check Points for good servicing".
T-IZR SEPT. 2006 printed in Japan

Table of Contents

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Pioneer PDP-427XD Specifications

General IconGeneral
Depth115 mm
Width1040 mm
Height679 mm
Weight29600 g
Pixel pitch- mm
Aspect ratio16:9
Product colorBlack
LED indicatorsStand-by
Noise reductionYes
RMS rated power13 W
Display diagonal42 \
Headphone outputs1
Display brightness1100 cd/m²
Display resolution1024 x 768 pixels
Display technologyPlasma
Power requirementsAC 220 - 240 V, 50/60 Hz
SCART ports quantity3
Contrast ratio (typical)3000:1
Analog signal format systemPAL, SECAM
Power consumption (standby)0.7 W
Power consumption (typical)291 W

Summary

NOTES ON SERVICE VISIT

1.1 SAFETY INFORMATION

Crucial safety precautions for qualified service technicians, including warnings and notices.

PRODUCT SAFETY NOTICE

Important notice regarding special safety characteristics of parts and potential hazards during repair.

Important Check Points for Good Servicing

1. Product safety

Conformance to regulations and safety instructions during repairs, use of specified parts.

Adjustments and Settings after replacement of the Assys

1. Digital Video Assy: Transfer of backup data

Procedure for transferring backup data for the Digital Video Assy using factory menu or RS-232C.

DISASSEMBLY

6.2 DISASSEMBLY PROCEDURE CHART

Visual chart outlining the recommended order for removing main parts and boards during disassembly.

SCAN IC Exchange Procedure

Step-by-step guide for replacing the SCAN IC, including related component removal.

SERVICE FACTORY MODE

BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

4.3 OVERALL BLOCK DIAGRAM (1/2)

Block diagram showing the architecture of major functional blocks (part 1 of 2).

4.4 OVERALL BLOCK DIAGRAM (2/2)

Block diagram showing the architecture of major functional blocks (part 2 of 2).

4.5 POWER SUPPLY UNIT BLOCK DIAGRAM

Block diagram of the power supply unit, detailing its circuits and outputs.

4.11 42 DIGITAL ASSY BLOCK DIAGRAM

Block diagram showing the architecture of the 42 Digital Assy.

4.12 SIGNAL BLOCK DIAGRAM

Diagram illustrating the signal flow between major components and assemblies.

4.14 POWER SUPPLY BLOCK for MAIN ASSY

Block diagram showing power supply distribution to the Main Assy.

4.15 42E AUDIO ASSY BLOCK DIAGRAM

Block diagram illustrating the audio processing and output paths.

VOLTAGES

Voltage Specifications for Major Assemblies

Tables detailing voltage outputs for various assemblies like Digital, Main, and Tanshi.

WAVEFORMS

DIAGNOSIS

5.1 TROUBLE SHOOTING

Step-by-step guide for diagnosing and troubleshooting unit failures.

5.1.2 POWER SUPPLY UNIT FAILURE ANALYSIS

Flowchart for diagnosing potential failures in the power supply unit.

5.1.3 DIGITAL ASSY FAILURE ANALYSIS

Flowchart for diagnosing failures within the digital assembly.

5.1.4 DRIVE ASSY FAILURE ANALYSIS

Flowchart for diagnosing failures within the X/Y Drive Assys.

5.1.5 MAIN ASSY FAILURE ANALYSIS

Flowchart for diagnosing issues related to the main assembly.

5.1.6 VIDEO SYSTEM FAILURE ANALYSIS

Flowchart for diagnosing problems with the video signal processing.

5.1.7 AUDIO SYSTEM FAILURE ANALYSIS

Flowchart for diagnosing issues with the audio output and signals.

5.1.1 FLOWCHART OF FAILURE ANALYSIS FOR THE WHOLE UNIT

Flowchart for diagnosing failures in the entire unit.

DIAGNOSIS OF PD (POWER-DOWN)

5.2.1 POWER-DOWN SIGNAL BLOCK DIAGRAM

Block diagram illustrating the power-down signal flow and related components.

5.2.2 PD (POWER-DOWN) FAILURE SYMPTOMS AND DIAGNOSIS

Identifies failure symptoms, checkpoints, and causes for power-down events.

DIAGNOSIS OF SD (SHUTDOWN)

5.3.1 SHUTDOWN SIGNAL BLOCK DIAGRAM

Block diagram illustrating the shutdown signal flow and related components.

5.3.2 SHUTDOWN (SD) DIAGNOSIS TABLE

Table correlating LED flashes, symptoms, checkpoints, and potential defective parts for shutdown.

ADJUSTMENT

7.1 Adjustment Required After Repair or Replacement

Details adjustments needed after replacing specific assemblies or parts to ensure proper operation.

7.2 Adjustments After Part Replacement

Identifies parts requiring whole-assembly replacement and explains reasons for adjustments.

BACKUP WHEN THE PANEL UNIT IS ADJUSTED

How to Copy Backup Data

Procedures for copying adjustment data from SENSOR to DIGITAL Assy using factory menu or RS-232C.

HOW TO CLEAR HISTORY DATA

Clearing Various Logs via RS-232C Commands

RS-232C commands for clearing logs like hour-meter, PD, SD, etc. after Assy replacement.

Clearing Various Logs via Factory Menu

Factory menu steps for clearing logs like PD, SD, hour-meter, and MAX TEMP.

ADJUSTMENT WHEN THE SERVICE PANEL ASSY IS REPLACED

Vofs and Vyprst Voltage Adjustment

Adjusting Vofs and Vyprst voltages using RS-232C or Factory Menu based on panel label.

Clearing Panel Histories (Hour Meter, SD, PD)

Clearing panel histories like hour-meter, SD, and PD after replacement using RS-232C or Factory Menu.

SERVICE FACTORY MODE

Overview of Service Factory Mode

Covers transition charts, entry/exit, operation, remote codes, tables, and indications for service mode.

Factory Hierarchical Table and Adjustment Ranges

Comprehensive table detailing factory menu structure, variables, adjustment ranges, and remarks.

Factory Menu Structure and Functions

Details the structure and available functions within the factory menu (Information, Panel, Option, Initialize).

FACTORY MENU

8.2.1.3 MAIN NG Information

Displays shutdown NG information from MTB side, linking OSD indications to causes of shutdown.

Panel Factory Menu Items

Lists all functions within the Panel Factory menu, including information, operations, adjustments, and masks.

RS-232C

RS-232C Command Overview and Usage

Outlines RS-232C commands, prepared tools, usage, and switching between SR+ and RS-232C modes.

RS-232C Command Protocol Details

Explains communication protocol, data format, command processing, reception confirmation, and error handling.

RS-232C Command Definitions and Types

Defines single functional, adjustment, set, and state acquisition commands with their formats and examples.

LIST OF RS-232C COMMANDS

RS-232C Command Reference Table

Comprehensive list of RS-232C commands, their functions, modes, and remarks.

ACQUISITION OF PANEL DATA

9.3.7 ACQUISITION OF PD LOGS [QPD]

Acquires power-down (PD) logs, including status, hour meter, and subcategory information.

9.3.8 ACQUISITION OF SD LOGS [QSD]

Acquires shutdown (SD) logs, including status, hour meter, and subcategory information.

9.3.11 QNG Command for Shutdown Diagnosis

Acquires MTB/MB side shutdown information, linking error codes to causes and operations.

POWER SUPPLY TRANSITION STATUS

SPECIFICATION ABOUT THE THERMAL PROTECTION

PROCESSING IN ABNORMALITY

Abnormality Processing Procedures

Outlines processing steps for abnormalities like speaker short-circuit, power supply issues, fan/temp sensor, and antenna power.

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