Initialization Pulse AdjustmentItem / PreparationInput a Crosshatch signal.Set the picture mode to Normal, and White Balance to NormalTest point Volume Level RemarkT1 TPSC1 (SC) --- 10 + 10 / -5μ Sec TH-42PX50U--- 20 ¢ 15μ Sec TH-50PX50UT2 TPSC1 (SC) VR6557(SC) 210 ¢ 10μ Sec TH-42PX50UVR6602(SC) 155 ¢ 10μ Sec TH-50PX50UPage 25

board layout

initialization pulse adjustment

Panasonic TH-42PX50U Replacement Procedure

operating instructions

Important Safety Instructions

FCC STATEMENT

Safety Precautions

Cleaning and maintenance

Installation

Accessories

Cable Connection

Antenna Connection

HDMI Connection

Digital TV - Set-Top Box (DTV-STB) or DVD Connection

Amplifier Connection (TO AUDIO AMP)

Power ON / OFF

Location of Controls

First time setup

auto program

Watching TV programs

Aspect Controls

On-Screen Menu Displays for Navigation

Sub-Menu Navigation

Audio

Timer

Lock

Operating peripheral equipment

Infrared Code Index

Mode Operational Key Chart

VIDEO/COMPONENT/HDMI input signals

Troubleshooting Chart

CUSTOMER SERVICES DIRECTORY (for U.S.A.)

TH-42PX50U

Objective

Specifications (Models Comparison)

TH-42PD50U Board Description and Part Numbers

TH-42PX500U Board Description and Part Numbers

TH-50PX500 Board Description and Part Numbers

power supply outline for 42"and 50" models

Standby Circuit

Power On Operation

Power Supply Connections

PA Board

PB Board

TH-42PX500U Block Diagram

TH-42PX50U Block Diagram

TH-42PD50U Block Diagram

Video Input Selection Block Diagram

Audio Input Selection Block Diagram

ATSC, SD and PC Card Input Signal Flow

DG Board Block Diagram

Signal Process Circuit

RGB Processor

D Board Block Diagram

C1 Board Block Diagram

SC Board Explanation

SC board Waveform

SS Board Explanation

SS Board Waveform

TH-42/50PX500U

SOS Detection Circuits

SOS Detect (D and PA Board)

PA Board SOS Detection Circuits

Short Circuit Detection of Main Voltage (10 Blinks)

Short Circuit Detection of Sub-voltage (10 Blinks)

Other SOS Detection Circuits

P Board SOS Detection

Voltage Distribution of the PA board and SOS Detection

Z Board (Sound) SOS Detection

TH-42/50PX500U Self-check Function (Reset)

Power LED Flashing timing chart

TH-42/50PD50U Self-check Function

Serviceman Mode

Internal Pattern Generator

Adjustments

Initialization Pulse Adjustment

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

Adjustment Volume Locations

Test Point Locations

Troubleshooting

Scan and Sustain Drive Waveform

Vertical line problems

Picture ok, Sound NG

No picture, no sound

No picture, sound ok

How to determine whether the D board or SC board is defective

Additional Troubleshooting Hints

SC20 or D20 Connector

How to determine whether the D board or SS board is defective

Defective Board

Glossary and Acronyms

specifications

applicable signals

Prevention of Electro Static Discharge (ESD) to

About lead free solder (PbF

Service Hint

Plasma panel replacement method

Remove the rear terminal cover

Remove the DG-Board

remove the fan

Remove the Speaker L, R

Remove the K-Board

replace the plasma panel

Location of Lead Wiring

Lead of Wiring (2)

Lead of Wiring (3)

Lead of Wiring (4)

Lead of Wiring (5)

Lead of Wiring (6)

Lead of Wiring (7)

Lead of Wiring (8)

Lead of Wiring (9)

Lead of Wiring (10)

Self-check Function

power led blinking timing chart

No Power

No Picture

local screen failure

serviceman mode

Option

Adjustment Procedure

initialization pulse adjust

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

adjustment volume location

test point location

hotel mode

conductor view

P-Board (42inch)

P-Board (50inch)

PA-Board

PB-Board

H-Board

DT-Board

DV-Board

DG-Board

Z-Board

D-Board (37, 42inch)

D-Board (50inch)

C1-Board (37inch)

C2-Board (37inch)

C3-Board (37inch)

C4-Board (37inch)

C1-Board (42inch)

C2-Board (42inch)

C3-Board (42inch)

C4-Board (42inch)

C1-Board (50inch)

C2-Board (50inch)

C3-Board (50inch)

C4-Board (50inch)

C5-Board (50inch)

C6-Board (50inch)

SC-Board (37inch)

SC-Board (42inch)

SC-Board (50inch)

SU-Board (37inch)

SU-Board (42inch)

SU-Board (50inch)

SD-Board (37inch)

SD-Board (42inch)

SD-Board (50inch)

SS-Board (37inch)

SS, SS2 and SS3-Board (42inch)

SS, SS2 and SS3-Board (50inch)

K and S-Board

Block and Schematic Diagram

Main Block Diagram (37inch)

Main Block Diagram (42inch)

Main Block Diagram (50inch)

P-Board Block Diagram (37inch)

P-Board (1 of 6) Schematic Diagram (37inch)

P-Board (2 of 6) Schematic Diagram (37inch)

P-Board (3 of 6) Schematic Diagram (37inch)

P-Board (4 of 6) Schematic Diagram (37inch)

P-Board (5 of 6) Schematic Diagram (37inch)

P-Board (6 of 6) Schematic Diagram (37inch)

P-Board Block Diagram (42inch)

P-Board (1 of 2) Schematic Diagram (42inch)

P-Board (2 of 2) Schematic Diagram (42inch)

P-Board Block Diagram (50inch)

P-Board (1 of 2) Schematic Diagram (50inch)

P-Board (2 of 2) Schematic Diagram (50inch)

PA and PB Board Block Diagram

PA-Board Schematic Diagram

PB-Board Schematic Diagram

H, K, S and Z-Board Block Diagram

H-Board (1 of 3) Schematic Diagram

Instrucciones de seguridad importantes

Aviso de seguridad importante

Precauciones para su seguridad

Limpieza y mantenimiento

Instalación

Accesorios

Conexiones

Conexión de antena

Conexión HDMI

Conexión de TV digital - "Set-Top Box DTV-STB) o DVD

Conexiones de un amplificador (TO AUDIO AMP)

Encendido / apagado de la alimentación


Contents board layout initialization pulse adjustment	Initialization Pulse AdjustmentItem / PreparationInput a Crosshatch signal.Set the picture mode to Normal, and White Balance to NormalTest point Volume Level RemarkT1 TPSC1 (SC) --- 10 + 10 / -5μ Sec TH-42PX50U--- 20 ¢ 15μ Sec TH-50PX50UT2 TPSC1 (SC) VR6557(SC) 210 ¢ 10μ Sec TH-42PX50UVR6602(SC) 155 ¢ 10μ Sec TH-50PX50UPage 25 Previous Next / 60