VESTEL 17MB230 IDTV - User Manual

MB230 IDTV
SERVICE MANUAL
https://www.arizanotlari.com/

Summary

Service Menu Settings

General Block Diagram

T;T2;C;A Tuner (U1)

S;S2 Tuner (U142)

Audio Amplifier Stages

Power Stage

Microcontroller

2 GB DDR3 SDRAM

4 GBIT (256 M X 8 BIT) NAND FLASH MEMORY

16 M-BIT [16 M X 1] CMOS SERIAL FLASH EEPROM

Software Update

Main SW Update

Troubleshooting

No Backlight Problem

Describes issues with no picture and backlight.

CI Module Problem

Addresses issues with CI module insertion or functionality.

IR Problem

Keypad Touchpad Problems

USB Problems

Covers USB not working or not detected.

No Sound Problem

Addresses issues with no audio at main TV speaker outputs.

Standby On;Off Problem

No Signal Problem

Addresses no signal in DVB-T/T2/C mode.

Headphone Output

Headphone Amp

Tuner

SAT Tuner

LNBP

PANEL SUPPLY SWITCH

DIMMING

NAND FLASH

SPI FLASH

LED

KEYBOARD

AUDIO AMP

SUBWOOFER AMP

DC;DC 1

DC;DC 3

SW1

STBY On;Off Circuit

Backlight On;Off Circuit

DC;DC 2

SW3

2 V5 VCC LDO

VESTEL 17MB230 IDTV Specifications