VESTEL MB21 Service Manual
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VESTEL MB21 Service Manual

VESTEL MB21 Service Manual

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  • Page 2: Table Of Contents

    VESTEL Detailed Hardware Design Specification 17MB21-00 09.09.2005 TABLE OF CONTENTS INTRODUCTION 1.1. Purpose 1.2. Scope 1.3. General Features GENERAL DESCRIPTION 2.1. Introduction 2.2. System Building Blocks 2.2.1. Analog Front End 2.2.2. Back End 2.2.3. General Block Diagram 2.2.4. Side Board(s) 2.3.
  • Page 3 SOFTWARE UPDATE AND AUTO CALIBRATION PROCEDURE Vestel Electronics 2006...
  • Page 4 If "=> Lpt Driver test OK!” string is visible, There is no problem for parallel port. But if “Test with Error” string is visible instead of “OK”, true .dll folders must be loaded. (given by Vestel). If the problem already continues, please refer to the IT. 2) Setting up the Visual I2C - Please set up the Setup_Visual_I2C_v3-2-0.exe...
  • Page 5 a) Please make unzip vct49xyi_27Feb04.zip content to the inside C:/ProgramFiles/Micronas/ Visual I2C. Folder must be like below. b) Vcti_start folder can be made shortcut at desktop.
  • Page 6 System Tools: 1) Visual I2C program 2) LPT Driver 3) .dll folders HW Tools: 1) Software Update Card (17PRG24) 2) Parallel Port Cable (for VCTI microcontroller updating) 3) Serial Port Cable (for E2PROM updating)
  • Page 7 4) Scart Cable Connections:...
  • Page 8 VCTI Microcontroller Programming ***Firstly, push the switch1 button that is located on the programming card. (switch2 have to be off) *** Please turn on the TV . After the TV image was visible, press “menu” and “1905” by using remote control. Please connect both of the scart connectors (TV scart1 connector and programming card connector) by using scart cable.
  • Page 10 *** After this folder was opened, a window will appear as below. Please choose window, find window options in turn in order. Please write “bootloader” in selected window (or click the TVT button as below), searching will start automatically. At the end of the searching process, please double click to bootloader.bat.
  • Page 12 *** Please click over to the “bootloader” icon for prepearing to loading. TV will stand-by mode if bootloder process was achived. And below window will appear on the tv screen.
  • Page 13 ***If bootloader process was failed by using this button, another process is getting to bootloader mode manually by using below window. ***After bootloader process, please pass to the reading process.
  • Page 14 ***After the reading process, bootloader version will come as 21 or 22 that depends on bootloader version of IC. ***After that, please click to “erase flash” button that was determined by yellow color as below.
  • Page 15 ***Set the options as to=0x7FFF and reclen=16. Please choose the path of binary file by using “NAME” part. *** As finally click to over of the Load Bin Flash icon .Loading will be started automatically.
  • Page 16 (!) IMPORTANT NOTE (1): If there is a problem as fast loading. Please follow the steps; File → Preferences → LPT Preferences. Please open the Below window will appear. ***Please make Delay = 10 (!) IMPORTANT NOTE (2): If there is a problem during bootloader process or there is “No Acknowledge From The Slave”, Please apply the following steps;...
  • Page 17 E2PROM READING AND WRITING *** Firstly, push the switch2 button that is located on the programming card. (switch1 have to be off) *** Please turn on the TV . After the TV image was visible, press “menu” and “2045” by using remote control. Please connect both of the scart connectors (TV scart1 connector and programming card connector) by using scart cable.
  • Page 18 *** Please control some adjustments. *** COM port settings can be made from set-up menu.
  • Page 19 *** Please click the Device icon for settings. Set as below. *** Please choose the Device type as 2432-512.
  • Page 20 *** For reading process, please click the button that was marked with yellow. *** After resding process, E2PROM content will appear on the screen.
  • Page 21 *** For writing process, choose file, open and folder that will be loaded. , please click the button that was marked with yellow.
  • Page 22 AUTOCALIBRATION PROCEDURE PC calibration pattern. Exit AutoColour AdcGain B 99 AdcOffset B 145 Color Temp Cool Gain B 140 YPbPr calibration pattern. Offset B 127 Con Max Bri Mid Color Sharp Scart calibration pattern. SCART, PC, YPBPR CALIBRATION: SCART1: Connect the scart video output(select scart video output of the generator CVBS format from its menu) of the pattern generator to scart1 input of the TFT TV.Use the scart calibration pattern above.
  • Page 23 1- Select EXT1 source of the TFT TV 2- Press respectively menu,4,7,2 and 6 buttons from R/C in order to enter autocalibration menu. 3- By pressing down arrow button come onto < Auto Colour > item and start the autocalibration by pressing OK button from R/C.When you see the writing “Pass” it means scart calibration finished.SW automatically switches to PC source mode and you again have to press OK to start the calibration of PC and again you see the writing “Pass”...

  • Page 24: Introduction

    VESTEL Detailed Hardware Design Specification 17MB21-00 09.09.2005 1. Introduction 1.1. Purpose The purpose of this document is to define the DHDS and the operation of 17MB21, 15”XGA with LVDS input, 19” SXGA with double LVDS input. It is aimed to provide information to engineering staff to understand the operation and specs of the TV.
  • Page 25 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Sound Features  Equalizer  FM Radio  Linear Stereo  German-NICAM Stereo  5-Band Equalizer Control  SRS TRU Surround (OPT)  SRS TRU Bass (OPT)  BBE, WOW (OPT)  Stereo Audio Output Power (2x2W ) ...
  • Page 26 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006  AV Input  Y/Pb/Pr support via VGA connector  Full Green Mode DPMS Support  Plug & Play (DDC2Bi) For Windows 9X, ME, 2000, XP (OPT)  Headphone {side || on board} (When the headphone is used, TV volume cut off otomatically) ...

  • Page 27: General Description

    VESTEL Detailed Hardware Design Specification 17MB21-00 09.09.2005 2. General Description 2.1. Introduction This chapter describes system building blocks in detail. 2.2. System Building Blocks 17MB21 chassis main blocks are as follows:  Analog Front End : VCTI (Microcontroller + Video Proccessor + Sound Proccessor + IF+ Keyboard/IR Interface+OSD), Audio Amp.

  • Page 28: General Block Diagram

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 2.2.3. General Block Diagram Figure 1...

  • Page 29: Side Board(S)

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 2.2.4. Side Board(s) 2.2.4.1. Side Audio Video Front Audio Video board (17FAV20) for 17MB21 main board is detailed in the Table below. Connector Type Function Name SVHS Jack 4P DIN JK100 Side SVHS Input...
  • Page 30 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 2.2.4.2. Keypads The keypads button descriptions for 17MB21 main board are listed in the Table below. Key Name Type Function Power* Soft sw. Power shut-down and turn on Stand-by* Tact sw. Switch between stand-by and turn on modes.
  • Page 31 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Connector PL1 on keypads (connected to the connector PL303 on the main board): Pin No: Name AV Tact SW Soft SW/Tact SW Program and Volume SW 2.2.4.3. IR&Led Board IR&LED board contains LED indicator(s) to show TV’s status (For 1510/11 cabinet led colors are: Red for stand-by, green for normal operation) and one IR receiver to get remote control instructions.

  • Page 32: Power Management

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 2.3. Power Management All power requirements supplied from LIPS (Light Integrated Power Supply) Boards. IPS01 Lips Board used for 15” products and IPS02 for 19” products. (Please check the and Table for power management details.) Table : Power management table.
  • Page 33 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Figure 3: IPS01 Block Diagram...

  • Page 34: Appendix

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 APPENDIX 3.1. Definitions, Acronyms and Abbreviations Dual Carrier Stereo a.k.a. German Stereo. Automatic Channel Installation, Automatic Colour Limiting Analogue to Digital Converter Audio Frequency Automatic Frequency Control Automatic Gain Control Auto Kine Biasing Application Programmers Interface.
  • Page 35 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Global TeleVision. Headphone Horizontal Shift Intermediate Frequency. Normally the output of the tuner. Inter Integrated Circuit Inter Integrated Sound LibCoMa Library Configuration Manager. Loudspeaker MIPS Million Instructions Per Second Japanese multiplexed sound standard...
  • Page 36 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 State The condition of a component that results in a particular observable behaviour. Status Handler A step that handles a status change, by managing the response to the change. SetTop Box TOP(TEXT) Table Of Pages, Special way of accessing teletext pages...
  • Page 37 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Program number: A program number identifies a location in NVM. At this location all program information, like frequency, lock, AFC, etc., can be found. Selecting a program invokes activating the program information. Last status: A variable can be classified as ‘last status' setting.

  • Page 38: Basic Components

    VESTEL Detailed Hardware Design Specification 17MB21-00 09.09.2005 3.2. Basic Components Title Description Supplier VCTI Video-Controller-Text-IFAudio IC Family Micronas TSU33AWL XGA LCD controller with analog interface and Single(TSU33AWL)/Double(TSU36AWL) LVDS Mstar TSU36AWL Transmitter 74HC4052 Dual 4- channel analog Philips multiplexer/demultiplexer 74HC4053 triple 2-channel multiplexer...
  • Page 39 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 versions; 1 and 2. PSSDIP88-2 package is the “pinning mirrorred” version of PSSDIP88-1 and is preferred to be used for layout compatibility. ...
  • Page 40 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.2.1.1. Block Diagram and Specs 3.2.1.2. Pinout Figure : Pin configuration...

  • Page 41: Tsu 3Xawl

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.2.1.3. VCTI Port Allocation PORT SIGNAL NAME TYPE FUNCTION NOTE NAME HW RESET Mstar reset Rx/LED* for IDTV communication/WO- IDTV Tx/Led* for IDTV communication/WO- IDTV VCTI_VS Vertical sync. output from vcti Keyboard function select AV1_Status Scart1 function select.
  • Page 42 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.2.2.2. Pinout...

  • Page 43: Hc4052

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.2.2.3. PW1306 Port Allocation PIN NO PORT NAME SIGNAL NAME TYPE FUNCTION NOTE PWM0 A/A_DIM Backlight Brightness adjustment PWM1 PVCC_ON/OFF O Panel Supply Voltage On/Off 3.2.3. 74HC4052 DUAL 4-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER The 74HC4052 are dual 4-channel analog multiplexers or demultiplexers with common select logic.

  • Page 44: Hc4053

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.2.4. 74HC4053 74HC4053 are triple 2-channel analog multiplexers/demultiplexers with a common enable input (Ē). Each multiplexer /demultiplexer has two independent inputs/outputs (nYo and nY1), a common input/output (nZ) and three digital select inputs (S1 to S3). With Ē LOW, one of the two switches is selected (low impedance ON-state) by S1 to S3.

  • Page 45: Lm1117

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Stereo Test Circuit 3.2.6. LM1117 The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. The LM1117 is available in an adjustable version, which can set the output voltage from 1.25V to 13.8V with only two external resistors.
  • Page 46 VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 KA78LXX Internal Block Diagram 3.2.8. IRF7314 Dual P-Channel Mosfet. *Extremely Low On-Resistance *Fast Switching Speed 3.2.9 NTGS 3446 N-Channel Mosfet *Ultra Low R DS(ON) *Fast Switching Speed...

  • Page 47: Board Connectors, Headers & Jumpers

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.2 10 FDC642P P-Channel Mosfet *Ultra Low R DS(ON) * Fast Switching Speed * Low Gate Charge 3.3. Board Connectors, Headers & Jumpers 3.3.1. Scart Connector1 (PL301) Pin Signal Description Signal level Impedance SC1_R_OUT Audio output (right) 0.5V rms...

  • Page 48: Pc Connector

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Pin Signal Description Signal level Impedance SC1_R_IN Audio input (right) 0.5V rms >10kohm SC1_L_OUT Audio output (left) 0.5V rms <1kohm Ground (audio) Ground SC1_L_IN Audio input (left) 0.5V rms >10kohm SC1_B Blue input 0.7V...

  • Page 49: Dvb Connector

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Pin # Logic Signal Signal Impedance Description Level 4,5,6,7,8,10 Ground Connect 3.3.3. DVB Connector (2x12 PL302) Symbol Description DVB_IN_R DVB Red Signal Ground DVB_IN_G DVB Green Signal Ground DVB_IN_B DVB Blue Signal Ground...

  • Page 50: Idtv_If Connector

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Impedanc Pin Signal Description Signal level SVHS_Y Luma input 0.7V 75ohms 3.3.5. IDTV_IF Connector (1x3 PL100) Signal 3.3.6. Led Connector WO/MECH SW(1x5 PL101) Signal Description Ground 3v3_STB 3.3 V Standby ON/OFF Infrared Supply 3.3.7.

  • Page 51: Lvds Panel Connector

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 Signal Description ON/OFF Key signal Ground HWSDA Data signal (VCTI side) HWSCL Clock signal (VCTI side) 3.3.11. LVDS Panel Connector(2x10 PL403) Symbol Description PVCC Panel Voltage TXOUT3+ LVDS Signal(+) PVCC Panel Voltage TXOUT3-...

  • Page 52: Side Headphone Connector

    VESTEL Detailed Hardware Design Specification 17MB21 11.05.2006 3.3.14. Side Headphone Connector (1x5 PL502) Signal Description Right+ IN Right sound input for HP Right+ Out Right sound output for HP Ground Right+ Out Right sound output for HP Right+ IN Right sound input for HP 3.3.15 DVD Audio Connector (1x6 PL308)
  • Page 53 TUNER SCART...

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