Toshiba 32A3030D Service Manual Download Page 1

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SERVICE MANUAL

LCD Color Television

32A3030D

Ver. 2.00

This model is classified as a

green product

(*1), as indicated by the underlined serial number.

This Service Manual describes replacement parts for the green product. When repairing this

green product, use the part(s) described in this manual and

lead-free solder

(*2).

For (*1) and (*2), refer to

GREEN PRODUCT PROCUREMENT

and

LEAD-FREE

SOLDER

© TOSHIBA CORPORATION

Summary of Contents for 32A3030D

Page 1: ... as indicated by the underlined serial number This Service Manual describes replacement parts for the green product When repairing this green product use the part s described in this manual and lead free solder 2 For 1 and 2 refer to GREEN PRODUCT PROCUREMENT and LEAD FREE SOLDER TOSHIBA CORPORATION ...

Page 2: ...if any incurred in connection with or as a result of such modification or alteration THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Toshiba shall not be liable for any damages losses expenses or costs if any incurred in connection with or as a result of use of any inf...

Page 3: ...is given to issues related to the global environmental Toshiba Corporation recognizes environmental protection as a key management tasks and is doing its utmost to enhance and improve the quality and scope of its environmental activities In line with this Toshiba proactively promotes Green Procurement and seeks to purchase and use products parts and materials that have low environmental impacts Gr...

Page 4: ...ºF 30ºC to 40ºC Use of a soldering iron designed for lead based solders to repair product made with lead free solder may result in damage to the component and or PCB being soldered Great care should be made to ensure high quality soldering when servicing this product especially when soldering large components through hole pins and on PCBs as the level of heat required to melt lead free solder is h...

Page 5: ...ren 5 Depending on the model use an isolation transformer or wear suitable gloves when servicing with the power on and disconnect the power plug to avoid electrical shock when replacing parts In some cases alternating current is also impressed in the chassis so electrical shock is possible if the chassis is contacted with the power on 6 Always use the replacement parts specified for the particular...

Page 6: ...hat all internal wirings are in accordance before re assembling the external casing after a repairing completed Do not allow internal wiring to be pinched by cabinets panels etc Any error in reassembly or wiring can result in electrical leakage flame etc and may be hazardous 9 NEVER remodel the product in any way Remodeling can result in improper operation malfunction or electrical leakage and fla...

Page 7: ...ed showing the deviation of from the ideal curve as a function of frequency TOUCH CURRENT 500 peak value V Voltmeter or oscilloscope r m s or peak reading The part or contact of a TERMINAL is not HAZARDOUS LIVE if Note The limit values of 0 35 V peak for a c and 1 0 V for d c correspond to the values 0 7 mA peak a c and 2 0 mA d c a The open circuit voltage should not exceed 35 V peak a c or 60 V ...

Page 8: ...tc Replacement parts which have these special safety characteristics are identified in this manual and its supplements electrical components having such features are identified by the international hazard symbols on the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have...

Page 9: ...ren 5 Depending on the model use an isolation transformer or wear suitable gloves when servicing with the power on and disconnect the power plug to avoid electrical shock when replacing parts In some cases alternating current is also impressed in the chassis so electrical shock is possible if the chassis is contacted with the power on 6 Always use the replacement parts specified for the particular...

Page 10: ...hat all internal wirings are in accordance before re assembling the external casing after a repairing completed Do not allow internal wiring to be pinched by cabinets panels etc Any error in reassembly or wiring can result in electrical leakage flame etc and may be hazardous 9 NEVER remodel the product in any way Remodeling can result in improper operation malfunction or electrical leakage and fla...

Page 11: ...ed showing the deviation of from the ideal curve as a function of frequency TOUCH CURRENT 500 peak value V Voltmeter or oscilloscope r m s or peak reading The part or contact of a TERMINAL is not HAZARDOUS LIVE if Note The limit values of 0 35 V peak for a c and 1 0 V for d c correspond to the values 0 7 mA peak a c and 2 0 mA d c a The open circuit voltage should not exceed 35 V peak a c or 60 V ...

Page 12: ...tc Replacement parts which have these special safety characteristics are identified in this manual and its supplements electrical components having such features are identified by the international hazard symbols on the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have...

Page 13: ...or Handling the LCD Module The LCD module can easily be damaged during disassembly or reassembly therefore always observe the following precautions when handling the module 1 When attaching the LCD module to the LCD cover position it appropriately and fasten at the position where the display can be viewed most conveniently 2 Carefully align the holes at all four corners of the LCD module with the ...

Page 14: ... surface by drop the cleaner on the cloth Do not drop the cleaner on the panel Pay attention not to scratch the panel surface 4 Leaving water or other fluids on the panel screen for an extended period of time can result in discoloration or stripes Immediately remove any type of fluid from the screen 5 Glass is used in the panel so do not drop or strike with hard objects Such actions can damage the...

Page 15: ...light or strong ultraviolet rays for an extended period of time 8 Do not store the LCD module below the temperature conditions described in the specifications Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage 9 Do not disassemble the LCD module Such actions could result in improper operation Page 3 of 4 Handling the LCD Module ...

Page 16: ... transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity Page 4 of 4 Handling the LCD Module ...

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Page 18: ...RAM Memory Interface IC801 COFDM Demod IC301 Audio DAC P212B Audio OUT CVBS OUT IC100 Donau TC90403FG P820A POWER 3 3V 2 5V 33V 12V 6 0V Uart2 for comm MIF EBIF H801 Tuner IF Amp P200B Digital VIDEO OUT UART M_TVRESE T IC302 Audio Amp X801 20 48MHz Clock IC181 Reset X191 27MHz X tal I2C Uart0 TS TS RESET CLK 27MHz 8 ITU R656 CVBS CVBS Audio LR Digital BOARD A3030D ONLY DTV 8bit RF Input RF EXT3 FR...

Page 19: ...AUTION AND PRODUCT SAFETY NOTICE OF THIS MANUAL CAUTION The international hazard symbols in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list The mounting position of replacements is to be identical with originals Befor...

Page 20: ...AL MULTI METER from point indicated to chassis ground using a color bar signal with all controls at normal line voltage at nominal AC volts 5 Waveforms are taken receiving color bar signal with enough sensitivity 6 Voltage reading shown are nominal values and may vary 20 except H V Electrolytic capacitor Mylar capacitor Page 2 of 2 ...

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Page 121: ...ADJUSTMENT Service Mode Entering to Service Mode 1 Set VOLUME to minimum and press button once on remote control 2 Press button again and hold button down Service Mode display ...

Page 122: ...3 While holding the button press MENU button on TV set Displaying the Adjustment Menu Press MENU button on TV Service Mode Press Press Adjustment Mode ...

Page 123: ...n of the adjustment items CH on TV or remote control Change of the data value Volume on TV or remote control Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 CALL CH button on TV Reset the count of operating protect circuit to 00 CALL CH button on TV Turn off I2C bus communication CALL Volume button on TV RCUT selection 1 button GCUT selection 2 button BCUT selection...

Page 124: ...s the adjustment items in the order of table below button for reverse order SETTING ADJUSTING DATA SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE Note The image system data of RCUT BDRV is different by each image format The PAL value is indicated in the table Never adjust H POS and V POS except PAL WIDE mode Item Name of adjustment RCUT R CUT OFF GCUT G CUT OFF BCUT B CUT OFF RDRV R DRI...

Page 125: ...PTION 4 PANEL OPT DATA FOR VENDOR OPT5 TV SET OPTION 5 PANEL OPT DATA FOR SIZE OPT6 TV SET OPTION 6 HOTEL MODE OPT7 TV SET OPTION 7 HOTEL MODE OPT8 TV SET OPTION 8 HOTEL MODE TVOP TV SET OPTION ID MODEL ID BDWID BORDER WIDTH FOR EXACT SCAN BDHIT BORDER HEIGHT FOR EXACT SCAN FPLG MASK_ENABLE SD HD FPLG2 Channel LOGO Vector Clip SW SD FPLG3 Channel LOGO Vector Clip SW HD Factory preset data will be ...

Page 126: ...on the TV 2 Display BUS Off OSD 3 I2C communication turned off Note To return Bus on status press and hold the CALL button on the remote control then press the Volume button on the TV again TV will be turned off and automatically turned on then status will be Bus On Setting TVOP Enter to service mode and select menu of TVOP by pressing P or P during display of adjustment menu After selecting TVOP ...

Page 127: ...ss or to set OPT4 or OPT5 value as table below Panel option data Series Model name Panel vendor OPT4 value OPT5 value A3000 EU Digital Ready 26A3030D A3000P LPL 0x01 0x03 IPS 0x07 0x03 32A3030D A3000P LPL 0x01 0x05 IPS 0x07 0x05 37A3030D A3000P LPL 0x01 0x06 IPS 0x07 0x06 42A3030D A3000P LPL 0x01 0x07 OP4 Ex OPT4 value 0x05 indicates that panel vendor is AUO AMVA OPT4 D7 bit7 D6 bit6 D5 bit5 D4 bi...

Page 128: ...anel size is 32 OPT5 D7 bit7 D6 bit6 D5 bit5 D4 bit4 D3 bit3 D2 bit2 D1 bit1 D0 bit0 Size 32 0 1 0 1 37 0 1 1 0 42 0 1 1 1 Convert from Bit Binary to Hex The table for converting from bit D7 D0 to hex 0x BIT Binary High nibble D7 D6 D5 D4 Low nibble D3 D2 D1 D0 HEX 0 0 0 0 0 1 0 0 0 1 2 0 0 1 0 3 0 0 1 1 4 0 1 0 0 ...

Page 129: ...Mode Pressing POWER button to turn off the TV once Initialization of Memory Data of QA02 and Setting Data of Signal Unit After replacing QA02 or signal board the following initialization is required CAUTION Never attempt to initialize the data unless QA02 has been replaced Whenever using new signal board to the set setting the Model ID data according to Panel option data ...

Page 130: ...r cycle automatically Then QA02 initialization has been completed 7 Enter the service mode and select version check mode Confirm if model name and model id set is correct If not repeat steps 1 to 6 Note In case initialization by setting wrong MODEL ID is done there is a possibility of abnormal display 8 Set I2C check function of TVOP to enable 9 Check the picture carefully If necessary adjust any ...

Page 131: ...L 0x11 32A3030D IPS 0x12 37A3030D LPL 0x13 37A3030D IPS 0x14 42A3030D LPL 0x15 0x16 0x17 0x18 0x19 0x20 0x21 0x22 0x23 0x24 0x25 0x26 0x27 0x28 0x29 0x30 0x31 0x32 0x33 Initializing Data setting flowchart after replacing the Signal Unit ...

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Page 133: ... Signal Selection Every pressing of button on the remote control changes the built in test patterns on screen as described below in Service Mode Picture Signal Red raster Green raster Blue raster All Black ...

Page 134: ...sis will begin to check if interface among IC s is executed properly 2 During diagnosis the following displays are shown Self check display and Item are subject to the models 1 Firmware Version information of microprocessor Series name AAAA and market area BB and software program version 0000 2 Time Total hour of turn the TV on Unit H ...

Page 135: ...rt circuit SCL SDA Red indication SCL SDA short circuit 5 Bus cont OK is normal NG is abnormal Red indication When the abnormal status is detected type name of semiconductor is indicated in red colour 6 Block UV TV reception mode V1 V9 VIDEO 1 9 input mode PC PC mode YUV YUV mode DTV DTV mode UV RF V1 1 SCART FULL V2 2 SCART S AV V3 3 Component Composite V4 HDMI1 V5 V6 V7 V8 V9 PC PC YUV DTV ...

Page 136: ...e service mode The version of main MPU will be checked 2 During Version Check the following displays are shown Version check display and Item are subject to the models 1 MAIN MPU Version information of microprocessor Series name and Code Program Version 4 figure number and OSD Version 2 figure number ...

Page 137: ...dow model A D adjustment status of main picture PIP It s enable only in double Window model A D adjustment status of sub picture COMP Component input PC PC input NTSC NTSC 60 Hz SD signal composite input PAL PAL 50 Hz SD signal composite input OK A D adjustment set correctly NG A D adjustment set incorrect A D adjustment is not needed Because its picture format isn t used 9 100 Hz FPGA Software Ve...

Page 138: ...inch Status Check Mode 1 Press 9 button thrice on remote control during display of adjustment menu in the service mode The status of this model will be checked 2 During Status Check the following displays are shown Status check display and Item are subject to the models 1 MAIN Main source information Display RF position number 0 99 on the main screen or Input Source EXT1 2 3 HDMI etc 2 MAIN FORMAT...

Page 139: ...formation This item displays only Double window model 6 SUB PLL Sub PLL information Display 1 byte data at five This item displays only Double window model 7 SCREEN SIZE Display the screen size as follows Exact Scan Wide Super Live 2 Cinema 2 4 3 Super Live 1 Cinema 1 Subtitle 14 9 Note Exact Scan is shown only for 1080p panel model with video input mode except pc 8 OTHER STATUS Other status infor...

Page 140: ...use D6 bit6 no use D5 bit5 FRONT Key Disable Enable D4 bit4 All keys except input selector key Video TV Disable Enable D3 bit3 User remote control operation Disable Service mode and Supere User mode may possible to setting only Enable D2 bit2 Disable SET UP MENU except language tuning SETUP MENU Disable Display the language only Enable D1 bit1 Disable SETUP MENU Disable Enable D0 bit0 HOTEL Mode O...

Page 141: ...bit6 D0 bit0 POS or VIDEO program number 0 127 decimal Normal 0 POS number 0 99 VIDEO number 100 127 DTV 100 VIDEO 101 VIDEO 102 100 is used as ATV when DTV option is disable OP7 OPT7 FUNCTION DESCRIPTION 1 0 Normal D7 bit7 Enable mode that speaker volume will be set in forced when turn ON the main power Enable Disable D6 bit6 D0 bit0 Forced speaker volume 0 100 decimal Normal 0 Value above 100 is...

Page 142: ...cate the TV s status as described below Red ON solid and Green OFF The TV power cord is plugged in Green ON solid and Red ON The On timer is operating LED Indication Condition Solution 1 Green is OFF Red blinks continuously at 0 5 second intervals Abnormal operation Turn OFF the TV and unplug the power cord Plug the power cord in again and turn ON the TV 2 Green is OFF Red blinks continuously at 1...

Page 143: ...everal setting and parts are different With this alternative use some of key parts may differ and their combinations are indicated with the suffix marking on the location number in the part list Miscellaneous e g Marking Panel Vendor Marking Panel Vendor Marking Panel Vendor A AUO J S SHARP B K SAMSUNG T C CMO L LPL U D M V E N W F P X G Q Y H IPS R Z Location No Part No Description B001A 75007869...

Page 144: ...onal hazard symbols in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list The mounting position of replacements is to be identical with originals Before replacing any of these components read carefully the SAFETY PRECAUT...

Page 145: ...All CD and PF capacitors are 5 50 V and all resistor 5 1 6 W unless otherwise noted MF Metal Film FR Fusible Resistor ...

Page 146: ...CABINET Stand Exploded View A425 A426 A427 A428 A429 ...

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Page 148: ...FUNCTION AND OPERATION The Remote Control Simple at a glance reference of your remote control ...

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Page 150: ...y of external equipment can be connected to the input sockets on the side of the television Whilst all the necessary adjustments and controls for the television are made using the remote control the buttons on the television may be used for some functions Switching On ...

Page 151: ...Using the Remote Control Using the Controls and Connections ...

Page 152: ...tal Television for the First Time Before switching on the television put your decoder and media recorder to Standby if they are connected and ensure the aerial is connected To set up the television use the buttons on the remote control ...

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Page 155: ...FUNCTION AND OPERATION Digital Auto Tuning Note As new services are broadcast it will be necessary to re tune the television in order to view them Auto Tuning ...

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Page 158: ... OPERATION Digital Programme Sorting Manual Tuning Note When the television is switched off the mode being viewed at the time will automatically be selected when the television is switched back on Programme Sorting ...

Page 159: ...Manual Tuning ...

Page 160: ...PERATION Tuning Analogue Mode for the First Time The Quick Setup feature will tune all analogue channels currently available in the area To put the television into ATV mode press the button then use or to select ATV ...

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Page 162: ...t to Auto should only be changed if problems are experienced i e NTSC input from external source Programme skip means nothing has been stored or the facility to skip the channel is ON Channel The channel number on which a station is being broadcast Search Search up and down for a signal Manual fine tuning Only used if interference weak signal is experienced Station Station identification Use the o...

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Page 166: ...FUNCTION AND OPERATION Auto Tune Using Auto Tuning ...

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Page 168: ...nd rinse thoroughly with water If the fluid should enter the eyes immediately rinse the eyes thoroughly with running water Precautions for Handling the LCD Module CAUTION The metal edges of the LCD module are sharp handle it with care The LCD module can easily be damaged during disassembly or reassembly therefore always observe the following precautions when handling the module 1 When attaching th...

Page 169: ...ng breathe on the surface and then wipe again If the panel surface is extremely solied use a CRT cleaner as a cleaner Wipe off the panel surface by drop the cleaner on the cloth Do not drop the cleaner on the panel Pay attention not to scratch the panel surface 4 Leaving water or other fluids on the panel screen for an extended period of time can result in discoloration or stripes Immediately remo...

Page 170: ...ist ground or anchor ground 7 Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an extended period of time 8 Do not store the LCD module below the temperature conditions described in the specifications Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage ...

Page 171: ...e the LCD module Such actions could result in improper operation 10 When transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity ...

Page 172: ...ause several setting and parts are different Marking Panel Vendor Marking Panel Vendor Marking Panel Vendor A AUO J S SHARP B K SAMSUNG T C CMO L LPL U D M V E N W F P X G Q Y H IPS R Z With this alternative use some of key parts may differ and their combinations are indicated with the suffix marking on the location number in the part list Miscellaneous e g Location No Part No Description B001A 75...

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Page 174: ...SPECIFICATION ...

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