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Panasonic TH-50PE8U

Panasonic TH-50PE8U
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© Panasonic Corporation 2008.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. MTNC081072CE
B34 Canada: B07
50 inch Class 720p Plasma HDTV
Model No. TH-50PE8U
GPH11DU Chassis
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Panasonic TH-50PE8U Specifications

General IconGeneral
Screen Size50 inches
Display TypePlasma
Resolution1366 x 768
Aspect Ratio16:9
HDMI Ports2
Component Video Inputs2
Composite Video Inputs1
S-Video Input1
PC Input1
Viewing Angle160 degrees
RF Input1
Audio Output20W (10W x 2)
Speakers2

Summary

Safety Precautions

General Guidelines and Leakage Current Checks

General repair guidelines and specific leakage current test procedures for safety.

Warning: Electrostatic Discharge (ESD)

Preventing ESD Damage to Sensitive Devices

Techniques to minimize component damage from electrostatic discharge during handling.

Lead-Free Solder (PbF) Information

Using and Handling Lead-Free Solder

Information on lead-free solder, its melting point, and handling precautions.

Service Navigation and Hints

Service Hints and Board Functions

Hints for accessing service information and a list of board names and their functions.

Applicable Signals

Signal Compatibility for Inputs

Details compatible input signals for Component (Y, PB, PR) and HDMI.

Product Specifications

Key Technical Specifications

Details on power, display, sound, dimensions, and operating conditions of the TV.

Service Mode Access and Operation

Entering and Navigating Service Mode

Guides on how to enter service mode and use key commands for navigation and adjustment.

Service Mode Adjustments and Exit

Contents of Adjustment Mode

Details the adjustable parameters available within the service mode.

Exiting Service Mode

Simple procedure to exit the service mode by turning off the unit.

Service Tool Mode Operations

Accessing and Understanding Service Tool Mode

Instructions to access service tool mode, interpret SOS history, and view power on time.

Hotel Mode Configuration

Hotel Mode Setup and Restrictions

Details the purpose, access commands, and configuration options for hotel mode.

Troubleshooting Guide: IIC Bus Lines

Checking IIC Bus Lines and Points

Procedures for accessing, viewing screen display, and checking points for IIC bus lines.

Troubleshooting: Power LED Blinking Timing

Interpreting Power LED Blinking Codes

Guide to identifying defective blocks based on the number of power LED blinks.

Troubleshooting: No Power

Initial Power Check Steps

Identifies states of 'No Power' indication by power LED and initial checks.

Troubleshooting: No Picture

Diagnosing No Picture Issues

Flowchart to diagnose issues causing the TV to have no picture.

Troubleshooting: Local Screen Failure

Identifying Local Area Failures

Explains local area failures on the plasma display and identifies defective PCBs.

Disassembly and Assembly Instructions

Back Cover, Rear Terminal, and Main Boards Removal

Step-by-step instructions for removing the back cover, rear terminal cover, and main boards.

Disassembly: Board Removal (SU, SD, SC)

SU, SD, and SC Board Removal Procedures

Instructions for removing SU, SD, and SC boards from the chassis.

Disassembly: Board Removal (SS2, SS3, SS)

SS2, SS3, and SS Board Removal Procedures

Instructions for removing SS2, SS3, and SS boards from the chassis.

Stand Bracket Removal

Steps for removing the left and right stand brackets.

Disassembly: Board Removal (C1, C2, C3, Front, G, GS)

C1, C2, C3, Front Bracket, G, GS Board Removal

Instructions for removing C1, C2, C3, Front bracket, G, and GS boards.

Disassembly: Speaker and Plasma Panel

Speaker and Plasma Panel Removal

Instructions for removing speakers and the plasma panel assembly from the cabinet.

DisassemblyAssembly: Boards and Plasma Panel

Board Removal and Plasma Panel Replacement

Procedures for removing S and K boards, and replacing the plasma panel.

Measurements and Adjustments: Driver Set-up

Driver Setup and Voltage Adjustments

Preparation and adjustment steps for driver section voltages, referring to panel data.

Measurements and Adjustments: PCB Exchange

Initialization Pulse and PCB Exchange Adjustments

Procedure for adjusting initialization pulse and quick adjustments after PCB replacement.

Measurements and Adjustments: Calibration

Adjustment Volume and Test Point Locations

Diagrams showing the locations of adjustment volumes and test points for calibration.

Adjustment: White Balance

White Balance Adjustment Procedure

Detailed procedure for adjusting white balance for different color temperatures (Cool, Normal, Warm).

Block Diagrams (15)

Overall System Block Diagram

A block diagram illustrating the main functional units and their interconnections.

Block Diagram (25)

Main Block and Power Supply Diagram

Block diagram detailing the main block, including tuner side, and the power supply unit.

Block Diagram (35)

Digital Signal Processor and Interface Diagram

Block diagram illustrating the digital signal processor, video interface, and audio processing.

Block Diagram (45)

Signal Processing and Control Diagram

Block diagram showing signal processing, control logic, and interface circuits.

Block Diagram (55)

Plasma Panel and Drive Circuit Diagram

Block diagram illustrating plasma panel connections and drive circuits.

Wiring Connection Diagram

Wiring Connection Cautions and Diagrams

Important cautions for cable assembly and wiring diagrams for internal connections.

Wiring Connection Details

Specific Cable Connections (Wiring 2)

Visual illustrations of specific cable connections within the unit.

Schematic Diagram Notes

Symbols and Conventions in Schematics

Explains resistor, capacitor, coil, test points, earth symbols, and voltage measurement conventions.

P-Board Schematic Diagrams (16)

P-Board Schematic (Part 1)

Schematic diagram of the P-Board, covering power supply and PFC sections.

P-Board Schematic Diagrams (26)

P-Board Schematic (Part 2)

Schematic diagram of the P-Board, detailing power control and voltage regulation circuits.

P-Board Schematic Diagrams (36)

P-Board Schematic (Part 3)

Schematic diagram of the P-Board, showing power factor correction and voltage conversion circuits.

P-Board Schematic Diagrams (46)

P-Board Schematic (Part 4)

Schematic diagram of the P-Board, illustrating DC-DC converter and voltage control circuits.

P-Board Schematic Diagrams (56)

P-Board Schematic (Part 5)

Schematic diagram of the P-Board, detailing power MCU and related circuits.

P-Board Schematic Diagrams (66)

P-Board Schematic (Part 6)

Schematic diagram of the P-Board, showing DC-DC converters and connections to other boards.

G, GS, K and S-Board Schematic Diagrams

Schematics for G, GS, K, and S Boards

Schematic diagrams for the G, GS, K, and S boards, detailing their respective circuits.

A-Board Schematic Diagrams (115)

A-Board Schematic (Part 1)

Schematic of the A-Board, focusing on CPU, memory interfaces, and clock generation.

A-Board Schematic Diagrams (215)

A-Board Schematic (Part 2)

Schematic of the A-Board, detailing DDR memory interface and related components.

A-Board Schematic Diagrams (315)

A-Board Schematic (Part 3)

Schematic of the A-Board, covering NAND flash, boot ROM, and SD card interface.

A-Board Schematic Diagrams (415)

A-Board Schematic (Part 4)

Schematic of the A-Board, detailing power supply circuits and DC-DC converters.

A-Board Schematic Diagrams (515)

A-Board Schematic (Part 5)

Schematic of the A-Board, illustrating video input and audio switching circuits.

A-Board Schematic Diagrams (615)

A-Board Schematic (Part 6)

Schematic of the A-Board, showing sound processor, audio amplifier, and drive ICs.

A-Board Schematic Diagrams (715)

A-Board Schematic (Part 7)

Schematic of the A-Board, detailing GenX EEPROM and IIC bus interfaces.

A-Board Schematic Diagrams (815)

A-Board Schematic (Part 8)

Schematic of the A-Board, illustrating HDMI multiplexer and interface circuits.

A-Board Schematic Diagrams (915)

A-Board Schematic (Part 9)

Schematic of the A-Board, showing HDMI multiplexer and signal routing.

A-Board Schematic Diagrams (1015)

A-Board Schematic (Part 10)

Schematic of the A-Board, detailing tuner interface and front-end processor.

A-Board Schematic Diagrams (1115)

A-Board Schematic (Part 11)

Schematic of the A-Board, showing IIC bus control and various interface signals.

A-Board Schematic Diagrams (1215)

A-Board Schematic (Part 12)

Schematic of the A-Board, detailing power supply control and DC-DC converters.

A-Board Schematic Diagrams (1315)

A-Board Schematic (Part 13)

Schematic of the A-Board, illustrating FPGA and interface logic.

A-Board Schematic Diagrams (1415)

A-Board Schematic (Part 14)

Schematic of the A-Board, showing front panel interface and DDR memory signals.

A-Board Schematic Diagrams (1515)

A-Board Schematic (Part 15)

Schematic of the A-Board, detailing DDR memory interface and connections to other boards.

C1-Board Schematic Diagrams (12)

C1-Board Schematic (Part 1)

Schematic of the C1-Board, showing connections to drivers and panel data.

C1-Board Schematic Diagrams (22)

C1-Board Schematic (Part 2)

Schematic of the C1-Board, detailing driver IC connections and panel data interfaces.

C2-Board Schematic Diagrams (12)

C2-Board Schematic (Part 1)

Schematic of the C2-Board, showing connections to drivers and panel data.

C2-Board Schematic Diagrams (22)

C2-Board Schematic (Part 2)

Schematic of the C2-Board, detailing driver IC connections and panel data interfaces.

C3-Board Schematic Diagrams (12)

C3-Board Schematic (Part 1)

Schematic of the C3-Board, showing connections to drivers and panel data.

C3-Board Schematic Diagrams (22)

C3-Board Schematic (Part 2)

Schematic of the C3-Board, detailing driver IC connections and panel data interfaces.

SC-Board Schematic Diagrams (13)

SC-Board Schematic (Part 1)

Schematic of the SC-Board, illustrating driver ICs and power supply connections.

SC-Board Schematic Diagrams (23)

SC-Board Schematic (Part 2)

Schematic of the SC-Board, showing driver ICs and power factor correction circuits.

SC-Board Schematic Diagrams (33)

SC-Board Schematic (Part 3)

Schematic of the SC-Board, detailing driver ICs and recovery circuits.

SU-Board Schematic Diagrams (12)

SU-Board Schematic (Part 1)

Schematic of the SU-Board, showing driver ICs and connections to panel electrodes.

SU-Board Schematic Diagrams (22)

SU-Board Schematic (Part 2)

Schematic of the SU-Board, illustrating driver IC connections and panel electrode interfaces.

SD-Board Schematic Diagrams (12)

SD-Board Schematic (Part 1)

Schematic of the SD-Board, showing driver ICs and connections to panel electrodes.

SD-Board Schematic Diagrams (22)

SD-Board Schematic (Part 2)

Schematic of the SD-Board, detailing driver IC connections and panel electrode interfaces.

SS-Board Schematic Diagrams (12)

SS-Board Schematic (Part 1)

Schematic of the SS-Board, showing driver ICs and power supply circuits.

SS-Board (22), SS2-Board and SS3-Board Schematic Diagrams

Schematics for SS, SS2, and SS3 Boards

Schematic diagrams for SS, SS2, and SS3 boards, illustrating driver ICs and power supply.

Printed Circuit Board Layouts

P-Board Layout (Foil Side)

Shows the component placement and routing on the foil side of the P-Board.

P-Board Parts Location

P-Board Component Locations (Foil & Component Sides)

Lists the locations of ICs, transistors, and resistors on both foil and component sides of the P-Board.

Board Layouts (G, GS, K, S)

G, GS, K, and S-Board Layout Diagrams

Visual layout diagrams for the G, GS, K, and S boards, showing component placement.

A-Board Layout (Foil Side)

A-Board Layout Diagram (Foil Side)

Shows component placement and routing on the foil side of the A-Board.

A-Board Parts Location

A-Board Component Locations (Foil & Component Sides)

Lists the locations of ICs, transistors, and test points on both sides of the A-Board.

C1-Board Layout

C1-Board Physical Layout

Shows component placement and connector locations on the C1-Board.

C2-Board Layout

C2-Board Physical Layout

Shows component placement and connector locations on the C2-Board.

C3-Board Layout

C3-Board Physical Layout

Shows component placement and connector locations on the C3-Board.

SC-Board Layout

SC-Board Physical Layout

Shows component placement and connector locations on the SC-Board.

SC-Board Parts Location

SC-Board Component Locations (Foil & Component Sides)

Lists the locations of ICs, transistors, and test points on both sides of the SC-Board.

SU-Board Layout

SU-Board Physical Layout

Shows component placement and connector locations on the SU-Board.

SD-Board Layout

SD-Board Physical Layout

Shows component placement and connector locations on the SD-Board.

SS-Board Layout

SS-Board Physical Layout

Shows component placement and connector locations on the SS-Board.

SS2 and SS3-Board Layouts

SS2 and SS3-Board Physical Layouts

Shows component placement and connector locations on the SS2 and SS3 boards.

Exploded View and Parts List

Exploded View of Mechanical Parts

Visual exploded view of the TV's mechanical components and their assembly.

Mechanical Replacement Parts List

Detailed Mechanical Parts List

A detailed list of mechanical replacement parts, including part numbers and descriptions.

Electrical Replacement Parts List

Electrical Component Details

A list of electrical components with part numbers, descriptions, and remarks.

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