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Panasonic EURO 4 Chassis User Manual

Panasonic EURO 4 Chassis
163 pages
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Order No. TZS8EL001
Technical Guide
Colour Television
EURO 4 Chassis
Circuit Explanations
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Panasonic EURO 4 Chassis Specifications

General IconGeneral
Aspect Ratio16:9
Display TechnologyLCD
Refresh Rate50 Hz
HDMI Ports2
USB Ports1
Sound Output10 W

Summary

Power Supply

Power Supply Block Diagrams and Operation

Visual representation and operational details of the power supply system.

Standby and Flyback Converter Power Supply

Details on standby and flyback power supply operation.

Start Up, Operation, Regulation, and Protection

Explanation of startup, operation, regulation, and protection mechanisms.

Horizontal and Vertical Outputs

Horizontal Driver and Output Stage

Explanation of the horizontal driver and output stages.

East/West Correction

Details on the east/west correction circuit for picture geometry.

Vertical Output Stage and Protection

Description of the vertical output stage and its protection.

Colour Output Stage

Tube and Picture Measurement

Procedures for measuring tube and picture parameters, including ABL.

RF / IF Section

Tuner and IF Stage Description

Description of the RF/IF combi tuner and its characteristics.

Microprocessor and Teletext Processing

Control of the Digital Section

Digital Section Control via Microprocessor

Details on how the microprocessor controls the digital section.

Video Display Processor (VDP3120)

CRT Measurement and Control

Synchronisation and Deflection

Audio Signal Processing

Dolby Pro Logic Processing

Dolby Pro Logic Decoding Stages

Details on decoding stages, matrix, and surround processing.

Dolby Pro Logic Processor (DPL3519A)

C-Board Processing

Power Supply Circuits

Description of power supply circuits for C-Board amplifiers.

Control and Teletext Processing (EURO 4H)

F-Board Processing Overview

Overview of F-Board ICs and video processing stages.

CRT Measurement and Control (EURO 4H)

Procedures for measuring tube and picture parameters in EURO 4H.

COLOUR OUTPUT STAGE (EURO 4H)

Velocity Modulation and CRT Amplifier Stage

Explanation of velocity modulation and CRT amplifier stage.

Tube/Picture Measurements and Protection

Procedures for measurements and protection mechanisms like ABL and spot suppression.

Vertical Output Stage (EURO 4H)

EURO 4D Supplement - Power Supply

Power Supply Protection Circuitry

Overview of thermal, overvoltage, and overcurrent protection circuits.

Secondary Side Voltages and Stabilisation

Description of secondary side voltages and their stabilization.

DVB Power Supply (EURO 4D)

DVB Power Supply Protection

Overview of protection circuits for the DVB power supply.

Secondary Supply Protection

Description of protection circuits for secondary power supply lines.

Microprocessor and Teletext Processing (EURO 4D)

Video Display Processor (VDP3120) (EURO 4D)

Audio Signal Processing (EURO 4D)

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