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Panasonic TX-P50VT30E - Service Manual

Panasonic TX-P50VT30E
148 pages
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© Panasonic Corporation 2011.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PCZ1104078CE
Plasma Television
Model No. TX-P50VT30E
TX-P50VT30J
GPF14D-E Chassis

Table of Contents

Questions and Answers

Summary

Safety Precautions

General Guidelines

Guidelines for conducting repairs and servicing the equipment, its parts, or materials.

Touch-Current Check

Procedure for checking leakage current between exposed metallic parts and earth ground.

Warning

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

Techniques to reduce component damage caused by electrostatic discharge (ESD).

About lead free solder (PbF)

Information on lead-free solder (Sn+Ag+Cu) used in manufacturing and its properties.

Service Navigation

PCB Layout

Diagram showing the layout of Printed Circuit Boards (PCBs) and their connections.

Applicable signals

List of compatible COMPONENT and HDMI signals for the television.

Specifications

TV Specifications

Technical specifications for the TV, including power, display, sound, and receiving systems.

Connection Terminals

Details of various connection terminals like SCART, HDMI, USB, and card slots.

Technical Descriptions

Specification of KEY for CI Plus, DTCP-IP, WIDEVINE and One-to-One

Information on KEY specifications for digital content protection and model compatibility.

USB HDD Recording

General information about recording digital TV programs using a USB HDD.

Service port (M3 mini Jack) Specifications

Details on the service port's RS232C terminal interface for PC control.

Service Mode

How to enter into Service Mode

Procedure and purpose for entering the TV's service mode for adjustments.

Contents of adjustment mode

Details of adjustable parameters within the service mode, including CONTRAST, COLOR, TINT, and WB-ADJ.

Option - Mirror

Explanation of picture reversal options (left/right, up/down) and troubleshooting hint.

Service tool mode

Instructions on accessing and using the service tool mode for SOS history and power status.

Hotel mode

Purpose, access command, and explanation of Hotel mode setup menu for restricting functions.

Data Copy by SD Card

Purpose and preparation steps for copying TV data (settings, channels) to an SD card.

Data copy from TV set to SD Card

Procedure for copying TV data to an SD card, including password and time estimates.

Data copy from SD Card to TV set

Procedure for copying data from an SD card to the TV set, including password and limitations.

Troubleshooting Guide

Check of the IIC bus lines

Procedure for checking IIC bus lines using the self-check function and identifying NGs.

Power LED Blinking timing chart

Chart explaining LED blinking patterns to identify unit abnormalities and defective blocks.

No Power

Troubleshooting steps for 'No Power' indication based on LED status and flowchart.

No Picture

Troubleshooting flowchart for 'No Picture' issues, guiding checks on OSD, SC board, and SS board.

Local screen failure

Diagram illustrating local screen failure areas and corresponding possible defective PCBs.

Service Fixture & Tools

SC jig

Purpose and usage instructions for the SC jig to find failure boards (SC or SU/SD).

Disassembly and Assembly Instructions

Remove the Rear cover

Procedure to remove the rear cover, referencing the PCB layout.

Remove the AC inlet

Procedure for removing the AC inlet, including safety precautions for discharging capacitors.

Remove the P-Board

Procedure for removing the P-Board, including safety precautions for discharging capacitors.

Remove the P2-Board

Procedure for removing the P2-Board, including safety precautions for discharging capacitors.

Remove the Terminal covers and the shield metals

Step-by-step guide to remove terminal covers and various shield metals from the unit.

Remove the A-Board

Procedure for removing the A-Board after terminal covers and shield metals are detached.

Remove the Side unit assy

Steps to disconnect the connector and remove the Side unit assembly.

Remove the SU-Board

Procedure for disconnecting flexible cables and screws to remove the SU-Board.

Remove the SD-Board

Procedure for disconnecting flexible cables and screws to remove the SD-Board.

Remove the SC-Board

Procedure for removing the SC-Board after SU-Board and SD-Board are removed.

Remove the SS-Board

Procedure for disconnecting connectors and cables, then removing the SS-Board.

Remove the SS2-Board

Procedure for removing the SS2-Board after disconnecting terminal covers and flexible cables.

Remove the Fan

Steps to unlock cable clampers, remove screws, and disconnect relay connector for fan removal.

Remove the Speakers

Procedure to remove speaker shield metals and speakers after unlocking cable clampers.

Remove the Woofer

Steps to remove the woofer by unlocking cable clampers, disconnecting relay, and removing screws.

Remove the Stand bracket

Procedure for removing the stand bracket after laying the panel on a flat surface.

Remove the K-Board

Procedure to remove the K-Board after removing shield metal, stand bracket, screw, and claws.

Remove the S-Board

Procedure to remove the S-Board after removing shield metal and screws.

Remove the V-Board

Procedure to remove the V-Board after removing shield metal, stand bracket, screw, claws, and connector.

Remove the Bottom cabinet assy

Steps to remove speakers, stand bracket, K, S, V-boards, and screws for the bottom cabinet.

Remove the Plasma panel section from the Cabinet assy

Procedure to remove the plasma panel section from the cabinet assy after removing the bottom cabinet.

Remove the Contact metals

Steps to remove contact metals, tape, screws, and metal sides from the cabinet assy.

Remove the C1-Board

Procedure to remove the C1-Board after removing bottom contact metal, flexible cables, and connectors.

Remove the C2-Board

Procedure to remove the C2-Board after removing bottom contact metal and flexible cables.

Remove the C3-Board

Procedure to remove the C3-Board after removing bottom contact metal, flexible cables, and connectors.

Remove the AL frames

Procedure to remove AL frames and corner fixing metals by removing screws.

Replace the Plasma panel

Caution and procedure for replacing the plasma panel, emphasizing careful handling of the fragile panel.

Measurements and Adjustments

Adjustment

General information and procedure for making adjustments in service mode.

Vsus selection

Procedure for selecting Vsus to LOW setting during adjustment, especially after panel or A-board replacement.

Sub-Contrast adjustment

Procedure for adjusting sub-contrast for RF, AV, and HD systems using specific test patterns.

THX white balance adjustment

Method for THX white balance adjustment, depending on PEAKS EEPROM version.

Block Diagram

Main Block Diagram

Overall block diagram illustrating the main functional blocks and interconnections of the TV.

Block (1;4) Diagram

Detailed block diagram (part 1/4) showing components like AV input, tuner, and power supply.

Block (2;4) Diagram

Detailed block diagram (part 2/4) showing components like LP1, scanner, and 3D eyewear transmitter.

Block (3;4) Diagram

Detailed block diagram (part 3/4) focusing on the power supply unit and its internal circuitry.

Block (4;4) Diagram

Detailed block diagram (part 4/4) illustrating scan drives, sustain drives, and side unit assembly.

Wiring Connection Diagram

Caution statement

Important cautions regarding the assembly and locking of flexible cables in connectors.

Wiring (1)

Diagram showing internal wiring connections (part 1) for the TV assembly.

Wiring (2)

Diagram illustrating internal wiring connections (part 2), highlighting cable routing and placement.

Wiring (3)

Diagram showing internal wiring connections (part 3) for various cables and clampers.

Summary

Safety Precautions

General Guidelines

Guidelines for conducting repairs and servicing the equipment, its parts, or materials.

Touch-Current Check

Procedure for checking leakage current between exposed metallic parts and earth ground.

Warning

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

Techniques to reduce component damage caused by electrostatic discharge (ESD).

About lead free solder (PbF)

Information on lead-free solder (Sn+Ag+Cu) used in manufacturing and its properties.

Service Navigation

PCB Layout

Diagram showing the layout of Printed Circuit Boards (PCBs) and their connections.

Applicable signals

List of compatible COMPONENT and HDMI signals for the television.

Specifications

TV Specifications

Technical specifications for the TV, including power, display, sound, and receiving systems.

Connection Terminals

Details of various connection terminals like SCART, HDMI, USB, and card slots.

Technical Descriptions

Specification of KEY for CI Plus, DTCP-IP, WIDEVINE and One-to-One

Information on KEY specifications for digital content protection and model compatibility.

USB HDD Recording

General information about recording digital TV programs using a USB HDD.

Service port (M3 mini Jack) Specifications

Details on the service port's RS232C terminal interface for PC control.

Service Mode

How to enter into Service Mode

Procedure and purpose for entering the TV's service mode for adjustments.

Contents of adjustment mode

Details of adjustable parameters within the service mode, including CONTRAST, COLOR, TINT, and WB-ADJ.

Option - Mirror

Explanation of picture reversal options (left/right, up/down) and troubleshooting hint.

Service tool mode

Instructions on accessing and using the service tool mode for SOS history and power status.

Hotel mode

Purpose, access command, and explanation of Hotel mode setup menu for restricting functions.

Data Copy by SD Card

Purpose and preparation steps for copying TV data (settings, channels) to an SD card.

Data copy from TV set to SD Card

Procedure for copying TV data to an SD card, including password and time estimates.

Data copy from SD Card to TV set

Procedure for copying data from an SD card to the TV set, including password and limitations.

Troubleshooting Guide

Check of the IIC bus lines

Procedure for checking IIC bus lines using the self-check function and identifying NGs.

Power LED Blinking timing chart

Chart explaining LED blinking patterns to identify unit abnormalities and defective blocks.

No Power

Troubleshooting steps for 'No Power' indication based on LED status and flowchart.

No Picture

Troubleshooting flowchart for 'No Picture' issues, guiding checks on OSD, SC board, and SS board.

Local screen failure

Diagram illustrating local screen failure areas and corresponding possible defective PCBs.

Service Fixture & Tools

SC jig

Purpose and usage instructions for the SC jig to find failure boards (SC or SU/SD).

Disassembly and Assembly Instructions

Remove the Rear cover

Procedure to remove the rear cover, referencing the PCB layout.

Remove the AC inlet

Procedure for removing the AC inlet, including safety precautions for discharging capacitors.

Remove the P-Board

Procedure for removing the P-Board, including safety precautions for discharging capacitors.

Remove the P2-Board

Procedure for removing the P2-Board, including safety precautions for discharging capacitors.

Remove the Terminal covers and the shield metals

Step-by-step guide to remove terminal covers and various shield metals from the unit.

Remove the A-Board

Procedure for removing the A-Board after terminal covers and shield metals are detached.

Remove the Side unit assy

Steps to disconnect the connector and remove the Side unit assembly.

Remove the SU-Board

Procedure for disconnecting flexible cables and screws to remove the SU-Board.

Remove the SD-Board

Procedure for disconnecting flexible cables and screws to remove the SD-Board.

Remove the SC-Board

Procedure for removing the SC-Board after SU-Board and SD-Board are removed.

Remove the SS-Board

Procedure for disconnecting connectors and cables, then removing the SS-Board.

Remove the SS2-Board

Procedure for removing the SS2-Board after disconnecting terminal covers and flexible cables.

Remove the Fan

Steps to unlock cable clampers, remove screws, and disconnect relay connector for fan removal.

Remove the Speakers

Procedure to remove speaker shield metals and speakers after unlocking cable clampers.

Remove the Woofer

Steps to remove the woofer by unlocking cable clampers, disconnecting relay, and removing screws.

Remove the Stand bracket

Procedure for removing the stand bracket after laying the panel on a flat surface.

Remove the K-Board

Procedure to remove the K-Board after removing shield metal, stand bracket, screw, and claws.

Remove the S-Board

Procedure to remove the S-Board after removing shield metal and screws.

Remove the V-Board

Procedure to remove the V-Board after removing shield metal, stand bracket, screw, claws, and connector.

Remove the Bottom cabinet assy

Steps to remove speakers, stand bracket, K, S, V-boards, and screws for the bottom cabinet.

Remove the Plasma panel section from the Cabinet assy

Procedure to remove the plasma panel section from the cabinet assy after removing the bottom cabinet.

Remove the Contact metals

Steps to remove contact metals, tape, screws, and metal sides from the cabinet assy.

Remove the C1-Board

Procedure to remove the C1-Board after removing bottom contact metal, flexible cables, and connectors.

Remove the C2-Board

Procedure to remove the C2-Board after removing bottom contact metal and flexible cables.

Remove the C3-Board

Procedure to remove the C3-Board after removing bottom contact metal, flexible cables, and connectors.

Remove the AL frames

Procedure to remove AL frames and corner fixing metals by removing screws.

Replace the Plasma panel

Caution and procedure for replacing the plasma panel, emphasizing careful handling of the fragile panel.

Measurements and Adjustments

Adjustment

General information and procedure for making adjustments in service mode.

Vsus selection

Procedure for selecting Vsus to LOW setting during adjustment, especially after panel or A-board replacement.

Sub-Contrast adjustment

Procedure for adjusting sub-contrast for RF, AV, and HD systems using specific test patterns.

THX white balance adjustment

Method for THX white balance adjustment, depending on PEAKS EEPROM version.

Block Diagram

Main Block Diagram

Overall block diagram illustrating the main functional blocks and interconnections of the TV.

Block (1;4) Diagram

Detailed block diagram (part 1/4) showing components like AV input, tuner, and power supply.

Block (2;4) Diagram

Detailed block diagram (part 2/4) showing components like LP1, scanner, and 3D eyewear transmitter.

Block (3;4) Diagram

Detailed block diagram (part 3/4) focusing on the power supply unit and its internal circuitry.

Block (4;4) Diagram

Detailed block diagram (part 4/4) illustrating scan drives, sustain drives, and side unit assembly.

Wiring Connection Diagram

Caution statement

Important cautions regarding the assembly and locking of flexible cables in connectors.

Wiring (1)

Diagram showing internal wiring connections (part 1) for the TV assembly.

Wiring (2)

Diagram illustrating internal wiring connections (part 2), highlighting cable routing and placement.

Wiring (3)

Diagram showing internal wiring connections (part 3) for various cables and clampers.

Panasonic TX-P50VT30E Specifications

General IconGeneral
Depth50 mm
Height733 mm
Weight31000 g
Tuner typeAnalog & digital
Pixel pitch- mm
Audio systemDolby Digital Plus, DolbyPulse, dts2.0, dts Digital Out, CoNEQ
Picture modeDynamic / Normal / THX / Cinema / Game / Photo / Pro1 / Pro2 / ISFccc
Product colorBlack
RMS rated power12 W
AC input voltage220 - 240 V
Display diagonal50 \
AC input frequency50 - 60 Hz
Composite video in1
Depth (with stand)335 mm
Display brightness- cd/m²
Display technologyPlasma
Number of speakers2
Power requirementsAC 220 - 240 V, 50/60Hz
Width (with stand)1202 mm
HDMI ports quantity4
Height (with stand)768 mm
High frequency rate600 Hz
Weight (with stand)35000 g
USB 2.0 ports quantity3
Compatible memory cardsSD
Contrast ratio (dynamic)5000000:1
Contrast ratio (typical)-
Annual energy consumption277 kWh
Analog signal format systemPAL B, PAL DK, PAL G, PAL H, PAL I, SECAM B/G, SECAM D/K, SECAM L
Power consumption (average)190 W
Power consumption (standby)0.3 W
Power consumption (typical)410 W
Digital signal format systemDVB-C, DVB-S, DVB-S2, DVB-T

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