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VESTEL 11AK19 User Manual

VESTEL 11AK19
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SERVICE MANUAL
CHASSIS 11 AK19
FIRMEN: EUROLINE
PALLADIUM
S.E.G.
TECHLINE
VESTEL
.

Table of Contents

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VESTEL 11AK19 Specifications

General IconGeneral
BrandVESTEL
Model11AK19
CategoryChassis
LanguageEnglish

Summary

Safety Precautions

TV Set Switched Off

Safety procedures for working on a powered-off TV set.

Measurements

Conditions and methods for taking measurements.

PERI-TV SOCKET

SCART 1 (SC050)

Pinout and signal description for SCART 1.

SCART 2 (SC051)

Pinout and signal description for SCART 2.

INTRODUCTION

SMALL SIGNAL PART WITH TDA884X

2.1. Vision IF amplifier

Details on the TDA884X Vision IF amplifier.

2.2. Video Switches

Functionality of the video switching circuits.

2.3. Sound Circuit

Description of the sound processing circuit.

2.4. Synchronisation circuit

Operation of the sync separator and oscillator.

2.5. Chroma and Luminance Processing

Processing of color and brightness signals.

2.6. Colour Decoder

Function of the color decoder circuit.

2.7. RGB Output Circuit

RGB output and black-current stabilization.

3. TUNER

Channel Coverage UV1316

Frequency bands covered by the UV1316 tuner.

Channel Coverage UV1336

Frequency bands covered by the UV1336 tuner.

Channel Coverage of UV1315

Frequency bands covered by the UV1315 tuner.

4. VIDEO SWITCH TEA6415C

General Description

Overview of the TEA6415C video switch IC.

Features

Key features of the TEA6415C IC.

5. AM DEMODULATOR TDA9830

General Description

Overview of the TDA9830 AM-sound demodulator.

Features

Key features of the TDA9830 IC.

6. DIGITAL TV SOUND PROCESSOR TDA9875

Demodulator and Decoder Section

TDA9875 demodulator and decoder details.

DSP Section

Digital Signal Processor functionalities of TDA9875.

Analogue Audio Section

Analogue audio processing of TDA9875.

7. SOUND OUTPUT STAGE TDA2614H/DA2615/DA2616Q

General Description of TDA2614

Description of TDA2614 power amplifier.

General Description of TDA2615

Description of TDA2615 dual power amplifier.

General Description of TDA2616Q

Description of TDA2616Q dual power amplifier.

8. VERTICAL OUTPUT STAGE WITH TDA8351/8356

General Description

Description of TDA8351/8356 vertical output stages.

Features

Key features of TDA8351/8356.

9. VIDEO OUTPUT AMPLIFIER TDA6107Q

Features

Key features of the TDA6107Q video output amplifier.

10. VIF/SIF-PLL and FM-PLL/AM DEMODULATOR TDA9818

General Description

Description of the TDA9818 VIF/SIF/FM demodulator.

Features

Key features of the TDA9818 IC.

11. COMBFILTER SAA4961

Features

Features of the SAA4961 comb filter IC.

12. POWER SUPPLY (SMPS)

13. MICROCONTROLLER SDA525X

General Description

Description of the SDA525X microcontroller.

Features

Key features of the SDA525X.

Tuning

Tuning capabilities of the SDA525X.

14. SERIAL ACCESS CMOS 8K EEPROM ST24C08

General Description

Description of the ST24C08 EEPROM.

Features

Key features of the ST24C08.

15. CLASS AB STEREO HEADPHONE DRIVER TDA1308

Features

Key features of the TDA1308 headphone driver.

16. SAWFILTERS

17. BTSC STEREO/SAP/DBX-DECODER and AUDIO PROCESSOR TDA9855

General Description

Description of the TDA9855 BTSC decoder and audio processor.

Features

Key features of the TDA9855.

AK19 CHASSIS MANUAL ADJUSTMENTS PROCEDURE

For ADJUST settings

How to access and use adjustment settings.

WHITE BALANCE ADJUSTMENT

Procedure for adjusting white balance.

AGC ADJUSTMENT

Procedure for adjusting AGC.

IF-PLL NEGATIVE ADJUSTMENT

Adjusting IF-PLL negative for PLL tuners.

IF-PLL POSITIVE ADJUSTMENT

Adjusting IF-PLL positive for PLL tuners.

LUMINANCE DELAY ADJUSTMENT

Adjusting luminance delay for TDA8844.

VERTICAL ZOOM ADJUSTMENT

Adjusting vertical zoom for 110" tubes.

VERTICAL SCROLL ADJUSTMENT

Adjusting vertical scroll for 110" tubes.

4:3 HORIZONTAL SHIFT ADJUSTMENT

Adjusting horizontal shift for 4:3.

4:3 VERTICAL SLOPE ADJUSTMENT

Adjusting vertical slope for 4:3.

4:3 VERTICAL AMPLITUDE ADJUSTMENT

Adjusting vertical amplitude for 4:3.

4:3 S-CORRECTION ADJUSTMENT

Adjusting S-correction for 4:3.

4:3 VERTICAL SHIFT ADJUSTMENT

Adjusting vertical shift for 4:3.

4:3 EW WIDTH ADJUSTMENT

Adjusting EW width for 110" tubes.

4:3 EW PARABOLA WIDTH ADJUSTMENT

Adjusting EW parabola width for 110" tubes.

4:3 EW CORNER PARABOLA ADJUSTMENT

Adjusting EW corner parabola for 110" tubes.

4:3 EW TRAPEZIUM ADJUSTMENT

Adjusting EW trapezium for 110" tubes.

16:9 HORIZONTAL SHIFT ADJUSTMENT

Adjusting horizontal shift for 16:9.

16:9 VERTICAL SLOPE ADJUSTMENT

Adjusting vertical slope for 16:9.

16:9 VERTICAL AMPLITUDE ADJUSTMENT

Adjusting vertical amplitude for 16:9.

16:9 S-CORRECTION ADJUSTMENT

Adjusting S-correction for 16:9.

16:9 VERTICAL SHIFT ADJUSTMENT

Adjusting vertical shift for 16:9.

16:9 EW WIDTH ADJUSTMENT

Adjusting EW width for 110" tubes.

16:9 EW PARABOLA WIDTH ADJUSTMENT

Adjusting EW parabola width for 110" tubes.

16:9 EW CORNER PARABOLA ADJUSTMENT

Adjusting EW corner parabola for 110" tubes.

16:9 EW TRAPEZIUM ADJUSTMENT

Adjusting EW trapezium for 110" tubes.

For OPTION settings

Guide to setting various options.

OPTION 00

Configuration settings for Option 00.

OPTION 01

Configuration settings for Option 01.

OPTION 02

Configuration settings for Option 02.

OPTION 03

Configuration settings for Option 03.

OPTION 04

Configuration settings for Option 04.

OPTION 05

Configuration settings for Option 05.

OPTION 06

Configuration settings for Option 06.

OPTION 07

Configuration settings for Option 07.

OPTION 08

Configuration settings for Option 08.

OPTION 09

Configuration settings for Option 09.

OPTION 10

Configuration settings for Option 10.

GENERAL BLOCK DIAGRAM OF CHASSIS AK19

ELECTRONIC COMPONENTS PART LIST

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