Panasonic Viera TH-42PV7P Service Manual

Panasonic Viera TH-42PV7P Service Manual

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Specifications
Power Source
Power Consumption
Average use
Standby condition
Display panel
Aspect Ratio
Visible screen size
Number of pixels
Sound
Speaker
Audio Output
Receiving Systems/Band name
Except B model
AC 220-240 V, 50 / 60 Hz
250 W (PX7B/E) (37-inch)
241 W (PV7F/P) (37-inch)
270 W (PX7B/E) (42-inch)
261 W (PV7F/P) (42-inch)
0.7 W (Without DVB recording)
20 W (With DVB recording)
16 : 9
94 cm (diagonal) (37-inch), 106 cm (diagonal) (42-inch)
819 mm (W) × 457 mm (H) (37-inch), 922 mm (W) × 518 mm (H) (42-inch)
737,280 (1,024 (W) × 720 (H)) [3,072 × 720 dots] (37-inch)
786,432 (1,024 (W) × 768 (H)) [3,072 × 768 dots] (42-inch)
160 mm × 42 mm × 2 pcs, 8 ohm
20 W [10 W + 10 W] (10 % THD)
PAL B, G, H, I, SECAM B, G, SECAM L / L'
VHF E2 - E12
VHF A - H (ITALY)
GPH10DE Chassis
VHF H1 - H2 (ITALY)
UHF E21 - E69
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO.PCZ0706054CE
Plasma Television
Unauthorized
copying
and

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Summarization of Contents

Specifications
Power Source
Specifies the AC voltage and frequency range for the power supply.
Power Consumption
Details average and standby power usage for different models and screen sizes.
Display Panel
Provides information on aspect ratio, screen size, and pixel count for the display.
Sound
Lists speaker specifications and audio output power with distortion details.
Receiving Systems/Band Name
Outlines supported TV signal reception systems and frequency bands.
Connection Terminals and Physical Data
Connection Terminals
Lists available connection terminals like Scart, Component Video, Audio L-R, and HDMI, with their pin configurations.
Dimensions
Provides approximate physical dimensions with and without the pedestal for different screen sizes.
Mass
Lists the approximate net weight with and without the pedestal for different screen sizes.
Applicable Signals
Component and HDMI Signals
Details applicable input signals for component and HDMI connections, specifying signal names and applicable types.
Safety Precautions and ESD Prevention
General Safety Guidelines
Provides essential guidelines for conducting safe repairs and servicing of the equipment.
Touch-Current Check Procedure
Details the procedure and values for measuring touch currents on exposed metallic parts to ensure safety.
ESD Prevention Techniques
Describes techniques to reduce component damage caused by electrostatic discharge (ESD).
Solder Information and Service Hints
About Lead-Free Solder (PbF)
Explains the use of PbF solder and its properties, and suggests using Pb free solder for service.
Service Hint: Rear Cover Removal
Illustrates the procedure for removing the rear cover and identifies various boards within the unit.
Plasma Panel Replacement Procedure
Removing Main Boards
Details the steps for removing the P-Board, DG-Board, and tuner unit, including necessary precautions.
Removing Panel Components
Guides on removing SC-Board, SS-Board, stand brackets, and other panel-related components.
Replacing the Plasma Panel
Details the step-by-step procedure for attaching boards, connecting cables, and fitting the new plasma panel.
Caution Statements and Wiring
General Caution Statement
Advises to confirm all flexible cables are assembled correctly and locked in connectors.
Location of Lead Wiring
Shows the physical layout and dressing of wires as depicted in the figures.
Self-check Functions
IIC Bus Line Check
Explains how to access the self-check function and the screen display for IIC bus line checks.
Power LED Blinking Timing Chart
Provides a detailed chart of power LED blinking patterns and their corresponding defective blocks.
Troubleshooting: No Power
Describes the two states of 'No Power' indication by the power LED and provides a troubleshooting flowchart.
Troubleshooting: No Picture
Presents a flowchart for diagnosing the 'No Picture' issue, guiding through checks of OSD, SC board, SS board, D board, and signal input.
Service Mode Operations
How to Enter Service Mode
Details the procedure to enter the Service Mode using remote control and main unit buttons.
Service Mode Adjustment Contents
Lists the items available for adjustment in the Service Mode, their sample data, and remarks.
Adjustment Procedures
Driver Set-up
Details the preparation steps for driver setup, including inputting a white signal and setting picture controls.
Initialization Pulse Adjustment
Explains how to adjust the stand down pulse (T2) period using an oscilloscope by inputting a white signal.
PCB Exchange Quick Adjustment
Provides voltage adjustment steps after PCB exchange, including essential cautions.
Video Adjustments
Sub-Contrast Adjustment
Details the procedure for adjusting sub-contrast via service mode for AV, RF, and HD inputs.
PAL Panel White Balance
Guides on performing white balance adjustment for PAL signals using a W/B pattern and color analyzer.
HD White Balance Adjustment
Details the procedure for adjusting white balance for HD signals using a W/B pattern and color analyzer.
Hotel Mode Features
Hotel Mode Setup Access
Provides the specific button sequence required to access the Hotel mode setup menu.
Hotel Mode Setup Menu Explanation
Details the various items within the Hotel mode setup menu and their respective functions and selections.
Conductor Views and Component Locations
P-Board Conductor Views
Shows conductor views of the P-Board for 42-inch models, with grid references and component locations.
DG-Board Conductor View
Shows the foil side conductor view of the DG-Board, including component locations and test points.
C1-Board Conductor Views
Shows foil and component side views of the C1-Board for 42-inch models, including parts location.
C2-Board Conductor Views
Displays foil and component side views of the C2-Board for 42-inch models, including parts location.
Schematic and Block Diagrams
Schematic Diagram Notes
Explains the notes and symbols used in the schematic diagrams for safety and clarity.
Main Block Diagram (42 inch)
Presents a block diagram illustrating the main functional units and signal flow for the 42-inch model.
P-Board Block Diagram
Illustrates the block diagram of the P-Board, detailing its power supply and control functions.
DG-Board Schematic Diagrams (Partial)
Presents the first part of the DG-Board schematic diagram, detailing signal processing and audio output paths.
D-Board Block Diagram
Presents a block diagram of the D-Board, illustrating the signal processing and format conversion functions.
C1-Board Schematic Diagrams (Partial)
Shows the first part of the C1-Board schematic diagram for 42-inch models, illustrating driver connections.
C2-Board Schematic Diagrams (Partial)
Shows the first part of the C2-Board schematic diagram for 42-inch models, illustrating driver connections.
SC-Board Block Diagram
Presents a block diagram of the SC-Board, illustrating its scan driver and energy recovery functions.
SU and SD-Board Block Diagrams
Presents block diagrams for the SU and SD boards, illustrating scan out driver functions for different screen sizes.
SS-Board Block Diagram
Presents a block diagram of the SS-Board, illustrating its sustain drive and energy recovery functions.
Exploded Views and Replacement Parts
Exploded Views of Assembly
Provides exploded views of the TV assembly, with numbered parts for identification.
Packing Exploded Views
Shows exploded views illustrating the packing of the PDP set and its accessories.
Replacement Parts List Notes
Explains important notes regarding replacement parts, including retention time and abbreviations for part descriptions.
Mechanical Replacement Parts List
Lists mechanical replacement parts, including part numbers, descriptions, quantities, and remarks.
Electrical Replacement Parts List (37-inch)
Lists electrical replacement parts for 37-inch models, including part numbers, descriptions, quantities, and remarks.

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