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Panasonic TH-50PC77U - User Manual

Panasonic TH-50PC77U
112 pages
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© 2007 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
TH-50PC77U
GP10DHU Chassis
High Definition Plasma Television
Please file and use this manual together with the service manual for Model No.
TH-50PE77U, ORDER NO. MTNC070306CE.
1 Different points
1.1. Mechanical Replacement Parts List
Note:
All parts except parts mentioned [PAVCA] in the Remarks column are supplied by PAVC- CSG.
Parts mentioned [PAVCA] are supplied by PAVCA.
Ref. No. Parts No. Parts Name & Description Remarks
TH-50PE77U TH-50PC77U
11 TKGA5325S TKGA5345S FRONT GLASS PAVCA
---- TES2AA0181 SIDE AV DOOR SPRING PAVCA
10 TESD078 TES2AA0191 POWER BUTTON SPRING PAVCA
23 TQB2AA0756 TQB2AA0861 INSTRUCTION BOOK
(ENG/FRE/SPA)
PAVCA
ORDER NO.MTNC070518AE
B34 Ca nad a: B07

Table of Contents

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Panasonic TH-50PC77U Specifications

General IconGeneral
Screen Size50 inches
Display TypePlasma
Resolution1366 x 768
Aspect Ratio16:9
Contrast Ratio10000:1
HDMI Inputs2
Component Video Inputs2
Composite Video Inputs1
S-Video Inputs1
PC Input1
Audio Output2 x 10W

Summary

1 Different points

1.1. Mechanical Replacement Parts List

Lists mechanical replacement parts, including part numbers and names.

Specifications

Key Specifications

Covers power, display panel, sound, channel capability, and operating conditions.

Connection Terminals

Lists and describes various input and output connection ports on the TV.

Features

Key Features Overview

Covers 3D Y/C filter, Closed Caption, V-Chip, Photo Viewer, and HDAVI Control 2.

Physical Dimensions

With Pedestal

Provides physical dimensions of the TV with the pedestal attached.

TV Set Only

Provides physical dimensions of the TV without the pedestal.

Weight Specifications

With Pedestal

Specifies the weight of the TV with the pedestal attached.

TV Set Only

Specifies the weight of the TV without the pedestal.

1 Applicable signals

2 Safety Precautions

2.1. General Guidelines

Provides general recommendations to follow during servicing for safety.

2.1.1. Leakage Current Cold Check

Details the procedure for checking leakage current when the unit is unplugged.

2.1.2. Leakage Current Hot Check

Details the procedure for checking leakage current when the unit is powered on.

3 Prevention of Electro Static Discharge (ESD)

Important Safety Notice

Highlights critical components that must be replaced with manufacturer-specified parts.

4 About lead free solder (PbF)

Suggested Pb free solder

Recommends specific types of lead-free solder for use in repairs.

5 Service Hint

Rear Cover Removal

Instructions and diagram for removing the rear cover of the TV.

Board Identification and Functions

Lists main circuit boards (P, A, K, S, etc.) and their primary functions.

6 Plasma Panel Replacement Method

Initial Component Removal

Steps for removing the rear cover, terminal cover, and P-Board.

Tuner, AV, and Control Board Removal

Procedures for removing tuner, side AV, G/GS, D, and SU boards.

Drive Board Removal

Instructions for removing SD, SC, SS2, and SS3 boards.

Panel and Final Component Removal

Steps for removing C1, C2, C3 boards, speakers, and the plasma panel.

Reassembly and Final Checks

Procedures for removing K/S boards and reassembling the TV with the new panel.

7 Caution statement

7.1. Caution statement

General cautions regarding cable assembly and connector locking.

8 Location of Lead Wiring

8.1. Lead of Wiring (1)

Illustrates the routing of specific internal wiring connections.

8.2. Lead of Wiring (2)

Shows the routing and securing of internal wiring, including clamps and AC inlet.

8.3. Lead of Wiring (3)

Details wiring paths for connectors P2, P11, P12, D25, and SC-Board.

8.4. Lead of Wiring (4)

Illustrates wiring routes for cables P6-A6, D5-A5, and P7-A7.

9 Self-check Function

9.1. IIC Bus Lines and Access

Explains how to access and interpret the IIC bus line check function.

9.2. Power LED Blinking and No Power Issues

Details LED blink patterns and troubleshooting for no power faults.

9.4. No Picture and Local Screen Failure

Troubleshooting for no picture and analysis of local screen failures.

10 Service Mode Operations

10.1. Accessing and Navigating Service Mode

Explains the procedure to enter and use the service menu and its key commands.

10.1.2. Adjustment Mode and Service Tool Features

Details adjustable parameters, SOS history, power count, and service tool access.

11 Adjustment Procedures

11.1. Driver Set-up and Adjustments

Procedure for adjusting driver section voltages and parameters using a multimeter.

11.2. Initialization Pulse Adjustment

Procedure for adjusting stand-down pulse (T2) period using an oscilloscope.

11.3. PCB Exchange and Quick Adjustment

Steps for PCB replacement and post-exchange voltage adjustments.

11.4. Adjustment Volume and Test Point Locations

Diagrams showing the location of adjustment potentiometers and test points.

12 Picture Adjustment Procedures

12.1. White Balance Adjustment

Detailed procedure for adjusting white balance using a color analyzer.

13 Hotel Mode Setup

Purpose and Access Command

Explains the purpose of hotel mode and the button sequence to enter the setup menu.

Hotel Mode Settings Explanation

Describes the various settings and options available within the hotel mode menu.

Block Diagrams

Main Block Diagram

High-level overview of the TV's main functional blocks and interconnections.

P-Board Block Diagram

Detailed block diagram illustrating the functions of the P-Board.

A-Board Block Diagrams

Series of diagrams showing the internal block structure of the A-Board.

SC, SU, SD-Board Block Diagrams

Block diagrams illustrating the functionality of SC, SU, and SD boards.

Schematic Diagrams

P-Board Schematic Diagrams

Detailed circuit schematics for the P-Board, split into two parts.

A-Board Schematic Diagrams

Comprehensive circuit schematics for the A-Board, presented in multiple parts.

C-Board Schematic Diagrams

Circuit schematics for the C1, C2, and C3 boards, detailing their internal connections.

D-Board Schematic Diagrams

Detailed circuit schematics for the D-Board, provided in multiple parts.

Exploded Views and Parts Lists

16.1. Exploded Views

Visual representation of the TV's internal components with numerical references.

16.2. Packing Exploded Views (Accessories)

Diagram showing the layout of items included in the accessories box.

16.3. Replacement Parts List Notes

Explains abbreviations and important safety notices for parts identification.

16.4. Mechanical Replacement Parts List (PDP TV)

Comprehensive list of mechanical replacement parts for the PDP TV model.

16.5. Mechanical Replacement Parts List (Stand)

List of replacement parts specifically for the TV stand.

16.6. Electrical Replacement Parts List

Note on Part Sourcing

Specifies that parts marked [PAVCA] are sourced from PAVCA, others from PAVC-CSG.

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