Toshiba 32PB1V1, Service Manual

Page 1: ... 32PB1V1 Ver 1 00 Updating history 5 5 6 6 Currently there are no updates available Please check back at a later time for any future updates TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 2: ...ification 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 information or data provided herein IMPORTANT NOTICE TOSHIBA WEB...

Page 3: ...oshiba 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 Green procurement of parts is not only confined to manufac...

Page 4: ...ee solder is higher than that of leaded solder by 86ºF to 104ºF 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 PCB...

Page 5: ...er 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 model when making repairs The parts used in products require special safety characteristics such as inflammability voltage resistance et...

Page 6: ...d earth ground such as a water pipe The potential at any point TOUCH CURRENT expressed as voltage and does not exceed the following value Annex D normative Measuring network for TOUCH CURRENTS Resistance values in orms Ω Input resistance 1 MΩ Input capacitance 200 pF Frequency range 15 Hz to 1 MHz and d c respectively Note Appropriate measures should be taken to obtain the correct value in case of...

Page 7: ...k a c or 60 V d c or if a is not met b The measurement of the TOUCH CURRENT shall be carried out in accordance with IEC 60990 with the measuring network described in Annex D of this standard The TOUCH CURRENT expressed as voltages and does not exceed the following values for a c 35 V peak and 0 35 V peak for d c 1 0 V TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA...

Page 8: ... 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 the same safety characteristics as specified in the...

Page 9: ... 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 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 ...

Page 10: ...n 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 panel 6 CMOS LSI circuitry is used in the LCD module so avoid damage due to static electricity When handling the module use a wrist ground or anchor ground 7 ...

Page 11: ...ce or other damage 9 Do not disassemble 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 TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

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Page 13: ...13 GND 14 STATUS 14 INDIM 14 TECLKN CN102 15 STATUS 15 TECLKP 1 GND 16 GND 2 N C 17 TE3N 3 5V 18 TE3P 4 Mstar RX 19 GND 5 Mstar TX 20 NC DEBUG OPEN 21 SELECT 22 NC 23 GND 24 GND 25 GND 26 VLCD 27 VLCD 28 VLCD 29 VLCD 30 VLCD CN740 1 OP IN 2 3 3V_2 3 GND 4 3 3V_1 5 RMT IN 6 3 3V_1 7 POWER ON LED 8 STAND BY LED 9 GND CN801S 1 NUTRAL 2 LIVE 3 GND PJ740 1 OP IN 2 3 3V_2 3 GND 4 3 3V_1 5 RMT IN 6 3 3V_...

Page 14: ...int this page UNDER CONSTRUCTION Note Please check back in the future TROUBLESHOOTING GUIDE TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 15: ...s page Service Mode Entering to Service Mode ADJUSTMENT 1 Press button once on remote control 2 Press button again and hold button down Service Mode display 3 While holding the button press MENU button on TV set ...

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Page 17: ... Mode Displaying the Adjustment Menu Press MENU button on TV ADJUSTMENT Service Mode Press Press Adjustment Mode TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 18: ...P on remote control Change of the data value Volume on remote control Adjustment menu mode ON OFF MENU button on TV Initialization of the memory i P button on TV RCUT selection 1 button GCUT selection 2 button BCUT selection 3 button CNTX1 selection 4 button COLC2 selection 5 button UVTT2 selection 6 button Automatic A D Adjustment PC Component Composite PAL NTSC 7 button Self diagnostic display O...

Page 19: ...NG DATA SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE ADJUSTMENT Item Name of adjustment CNTC CNTC CNTN CNTN BRTX BRTX BRTN BRTN COLX COLX COLN COLN SHPX SHPX SHPN SHPN RCUT RCUT GCUT GCUT BCUT BCUT RDRV RDRV GDRV GDRV BDRV BDRV OSRC RCUT OFF SET COOL OSGC GCUT OFF SET COOL OSBC BCUT OFF SET COOL OSRD RDRV OFF SET COOL OSGD GDRV OFF SET COOL OSBD BDRV OFF SET COOL OSRC RCUT OFF SET NAT...

Page 20: ...FF SET WARM OSRD RDRV OFF SET WARM OSGD GDRV OFF SET WARM OSBD BDRV OFF SET WARM TVOP TV OPTION 0 FUNCTION 1 OPT1 TV OPTION 1 FUNCTION 2 OPT2 TV OPTION 2 HOTEL OPT1 OPT3 TV OPTION 3 FUNCTION 3 OPT4 TV OPTION 4 OPT5 TV OPTION 5 OPT6 TV OPTION 6 HOTEL OPT2 OPT7 TV OPTION 7 HOTEL OPT3 OPT8 TV OPTION 8 HOTEL OPT4 VOLX Max limiter of Volume Control for HOTEL mode Model Model ID HTLID Hotel ID No use fo...

Page 21: ...sing of VOLUME button will change the value of data in the range from 00H to FFH The variable range depends on the adjusting item ADJUSTMENT TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 22: ...E g If Bit D7 0 0101 1010 Hex data is 0x5A ADJUSTMENT 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 5 0 1 0 1 6 0 1 1 0 7 0 1 1 1 8 1 0 0 0 9 1 0 0 1 A 1 0 1 0 B 1 0 1 1 C 1 1 0 0 D 1 1 0 1 E 1 1 1 0 F 1 1 1 1 terms and conditions privacy policy ...

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Page 24: ... page Service Mode Exit from Service Mode Pressing POWER button to turn off the TV once ADJUSTMENT TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 25: ...s and a message window is shown as the status is WRITING 5 After the status changed to OK TV turns off and on automatically Then the memory initialization is completed Enter Service Mode and select Version Check Mode Confirm if MODEL ID corresponding to the model name is set correctly If not repeat from 2 Note If wrong MODEL ID is set abnormal display might appear 6 Check the picture carefully If ...

Page 26: ...is page Service Mode Initializing Data setting flowchart after replacing the Main Unit ADJUSTMENT TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

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Page 28: ...Test Signal Selection Every pressing of button on the remote control changes the built in test patterns on screen as described below in Service Mode ADJUSTMENT Picture Signal Red raster Green raster Blue raster All Black All White ...

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Page 30: ...A SAMSUNG AU AUO SH SHARP Block ADJUSTMENT 1 Firmware Target name and version information 2 Time Total time the TV has been turned on Unit Hours Decimal The time of Stand by is not counted Min 000000 max 999999 unit hour 3 Bus line OK is normal SCL GND Red indication SCL GND short circuit SDA GND Red indication SDA GND short circuit SCL SDA Red indication SCL SDA short circuit 4 Bus cont OK is nor...

Page 31: ...UV TV V1 1 Composite V2 2 Component V3 V4 V5 HDMI V6 V7 V8 PC PC TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 32: ...formation of EEPROM Display 1 byte data 3 OPTION Option information Display three numbers of 1 byte data 4 BL ver Version information of Boot Loader software 5 AP ver Version information of Application software 6 A D Adjust A D adjustment status COMP Component input PC PC input NTSC NTSC 60Hz SD signal composite input PAL PAL 50Hz SD signal composite input OK A D adjustment set correctly NG A D ad...

Page 33: ...D CM CMO 8 Memory Data Version Version information of EEPROM VDC means model number of EEPROM REV means version of EEPROM TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 34: ...in to check 2 During Status Check the following displays are shown ADJUSTMENT 1 MAIN Main source information Display RF position number 00 99 on the main screen or Input Source EXIT 1 HDMI 1 PC 2 MAIN FORMAT Display Video format information 3 MAIN PLL Main PLL information 4 SCREEN SIZE Display the screen size as follows Native Subtitle 14 9 Wide 4 3 SuperLive Cinema PC Normal ...

Page 35: ...l PC Wide Dot By Dot 5 OTHER STATUS Other status information Display three numbers of 2 byte data TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 36: ... turning the main power ON Enable This function is ignored when D6 is set to 1 Disable D6 bit6 Enable mode that TV On will be set in forced when turning the main power ON Enable Disable D5 bit5 Disable all buttons at side panel Disable Enable D4 bit4 Disable all buttons at side panel except input key Video TV Disable This function is ignored when D5 is set to 1 Enable D3 bit3 User remote control o...

Page 37: ...7 127 If invalid number is set POS number 99 is used OPT7 FUNCTION DESCRIPTION 1 0 Normal D7 bit7 Enable mode that speaker volume will be set in forced when turning the main power ON Enable Disable D6 bit6 D0 bit0 Forced speaker volume 0 100 decimal Value above 100 is no effect OPT8 FUNCTION DESCRIPTION 1 0 Normal D7 bit7 Hotel Mode RS232C no use for this model D6 bit6 No use D5 bit5 Enable mode o...

Page 38: ...et to the number when the TV is turned ON from Standby by the number button D3 bit3 RF tuning operation by P button on remote or front panel of the TV set number and previous key when HDMI or PC input Disable Enable D2 bit2 Enable mode that picture mode will be set in forced when turning the main power ON Enable Display language only Disable D1 bit1 D0 bit0 Forced picture mode 0 dec Auto View Norm...

Page 39: ...TV operating status as described below Power On Standby Red ON solid and Green OFF The TV power cord is plugged in but TV is in Standby Green ON solid only The TV is powered on ADJUSTMENT TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 40: ...watch the LEDs on the front of the TV set The green LED blinks at first indicating that the TV set is being updated Never power off during updating After the upgrading is completed green LED turns on 5 Unplug the TV set from the AC outlet 6 Disconnect the USB device 7 Plug the TV set in the AC outlet ADJUSTMENT TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corpor...

Page 41: ...acing any of these components read carefully the SAFETY PRECAUTION AND PRODUCT SAFETY NOTICE Do not degrade the safety of the receiver through improper servicing Note The part number must be used when ordering parts in order to assist in processing be sure to include the Model number and Description The PC board assembly with mark is no longer available after the end of the production Abbreviation...

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Page 43: ...Currently there are no updates available Please check back at a later time for any future updates ...