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Panasonic TH-50PX80UA User Manual

Panasonic TH-50PX80UA
129 pages
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© 2008 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
ORDER NO. MTNC080744CE
B34 Canada: B07
50 inch Class 720p Plasma HDTV
Model No. TH-50PX80UA
GPH11DU Chassis
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Panasonic TH-50PX80UA Specifications

General IconGeneral
Screen Size50 inches
Display TypePlasma
Resolution1366 x 768
Aspect Ratio16:9
HDMI Inputs3
Component Video Input1
S-Video Input1
PC Input1
Contrast Ratio30, 000:1
Viewing Angle160 degrees
Speakers2 x 10W

Summary

Safety Precautions

General Guidelines

General guidelines for conducting repairs and servicing.

Leakage Current Cold Check

Procedure for checking leakage current when the unit is unplugged.

Leakage Current Hot Check

Procedure for checking leakage current when the unit is powered on.

Warning

Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices

Techniques to reduce component damage from electrostatic discharge.

Specifications

Service Mode

How to enter into Service Mode

Steps to enter the service mode using the unit and remote control.

Contents of adjustment mode

How to exit

Service tool mode

How to access

Steps to access the service tool mode from the service mode.

Exit

Procedure to exit the service tool mode by disconnecting the AC cord.

Troubleshooting Guide

Check of the IIC bus lines

Self-check indication and procedures to check IIC bus lines.

Check Point

Points to confirm if 'NG' is displayed during the IIC bus line check.

Power LED Blinking timing chart

No Power

No Picture

Local screen failure

Disassembly and Assembly Instructions

Remove the P-Board

Caution and instructions for removing the P-Board.

Remove the A-Board unit

Caution and instructions for removing the A-Board unit.

Remove the A-Board

Remove the SU-Board

Instructions for removing the SU-Board.

Remove the SD-Board

Instructions for removing the SD-Board.

Remove the SC-Board

Instructions for removing the SC-Board.

Remove the SS2-Board

Remove the SS3-Board

Instructions for removing the SS3-Board.

Remove the SS-Board

Instructions for removing the SS-Board.

Remove the C1-Board

Remove the C2-Board

Instructions for removing the C2-Board.

Remove the C3-Board

Instructions for removing the C3-Board.

Remove the G-Board, GS Board and GH-Board

Instructions for removing the G, GS, and GH boards.

Remove the Speakers

Remove the Plasma panel section from the Cabinet assy (glass)

Instructions for removing the plasma panel section from the cabinet assembly.

Remove the S-Board

Remove the K-Board

Instructions for removing the K-Board.

Replace the plasma panel (finished)

Instructions for attaching and fitting components to the new plasma panel.

Measurements and Adjustments

Adjustment Procedure

General procedure for performing measurements and adjustments.

Driver Set-up

Setup procedures for driver sections, including items and preparation.

Adjustments

Specific voltage adjustments for driver sections referring to panel data.

Initialization Pulse Adjust

P.C.B. (Printed Circuit Board) exchange

Quick adjustment after P.C.B. exchange

Quick adjustments required after P.C.B. replacement, focusing on voltages.

Adjustment

White balance adjustment

Detailed procedure for adjusting white balance using a color analyzer.

Block Diagram

Block Diagram (1/5)

Overall block diagram of the unit's functional components (part 1).

Block Diagram (2/5)

Block diagram of the unit's functional components (part 2).

Block Diagram (3/5)

Block diagram of the unit's functional components (part 3).

Block Diagram (4/5)

Block diagram of the unit's functional components (part 4).

Schematic Diagram

Printed Circuit Board

Exploded View and Replacement Parts List

Electrical Replacement Parts List

Electrical Replacement Parts List

List of electrical replacement parts with part numbers, descriptions, and quantities.

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