VESTEL 17MB82S Service Manual (English)

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VESTEL 17MB82S Specifications

General

Brand	VESTEL
Model	17MB82S
Category	TV
Language	English

Summary

1. INTRODUCTION

1. TUNER (MXL601)

2. AUDIO AMPLIFIER STAGE

TAS5721 (optional)

2.3. Absolute Ratings

2.3.1. ELECTRICAL CHARACTERISTICS

2.3.2 OPERATING SPECIFICATIONS

RECOMMENDED OPERATING CONDITIONS

RECOMMENDED OPERATING CONDITIONS FOR HEADPHONE/LINE DRIVER

2.4. Pinning

TAS5721 Pin Out

TAS5721 Pin Out (continued)

TS4962M (optional 2,5W)

Features

Pin connections

3. POWER STAGE

Short CCT Protection Circuit

Circuitry for protecting against short circuits.

3.1. Power Management

4. MICROCONTROLLER – MediaTek

4.1. Description

Description of the MediaTek MT5820 microcontroller.

Key Features

List of key features of the MT5820.

General Features

Detailed list of general features of the MT5820.

4.2. MediaTek Block Diagram

Block diagram of the MediaTek MT5820 functionality.

5. USB INTERFACE

USB INTERFACE (Circuit Diagram)

6. DDR3 SDRAM 1Gb G-die

6.1 Description

Description of the 1Gb DDR3 SDRAM G-die.

6.2 Features

x16 Package Pinout (Top view) : 96ball FBGA Package

8. SPI FLASH MEMORY

8.1 EN25Q64 64 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

8.1.1 General Description

8.1.2 Features

8.1.4 Pinning

8.2 EN25QH16 16 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

8.2.1 General Description

8.2.2 Features

8.2.4 Pinning

11. SERVICE MENU SETTINGS

Service Menu Overview

11.1. Video Settings

11.2. Audio Settings

11.3. Options

General system configuration options.

Options-1

Options-2

11.4. Tuning Settings

11.5. Source Settings

11.6. Diagnostic

Diagnostic tests and status checks.

11.7 USB Operations

12. SOFTWARE UPDATE

13. TROUBLESHOOTING

13.1. No Backlight Problem

Diagnosing and fixing no backlight issues.

Dimming Pin and Backlight Power Supply Checks

13.2 CI Module Problem

Diagnosing and fixing CI module issues.

13.3 Led Blinking Problem

Diagnosing and fixing LED blinking problems.

13.4 IR Problem

Diagnosing and fixing IR remote control issues.

13.5 Keypad Touchpad Problems

Diagnosing and fixing keypad/touchpad issues.

13.6 USB Problems

Diagnosing and fixing USB connectivity issues.

13.7 No Sound Problem

Diagnosing and fixing no sound issues at speaker outputs.

13.8 No Sound Problem at Headphone

Diagnosing and fixing no sound at headphone output.

13.9 Standby On/Off Problem

Diagnosing and fixing standby or boot issues.

13.10 No Signal Problem

Diagnosing and fixing no signal issues.

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