Toshiba 42WL58A Service Manual Download Page 19 | Manualshive

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W661

U003A

U004

W661

U002B

U002A

U001

P801

A370

U003C

A201

B001

×

2

A370

×

2

A235

×

2

A235

×

3

A375

×

3

A375

×

1

A375

×

2

BRBTBS4

×

16 ECO

×

3

BRBTBS4

×

16 ECO

×

3

PP3

×

8

+

SW

+

W ECO

×

5

PP3

×

8

+

SW

+

W ECO

×

6

PP3

×

8

+

SW

+

W ECO

×

1

PP3

×

8

+

SW

+

W ECO

×

7

PP3

×

8

+

SW

+

W ECO

×

4

PP3

×

8

+

SW

+

W ECO

×

8

PP3

×

8

+

SW

+

W ECO

×

4

PP4

×

8

+

SW

+

W SBN

×

4

A310

A370

×

2

2. Main Block

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Summary of Contents for 42WL58A

Page 1: ...TOSHIBA CORPORATION 2005 The above models are classified as green products 1 as indicated by the underlined serial numbers This Service Manual describes replacement parts for the green products When repairing these green products use the parts described in this manual and lead free solder 2 For 1 and 2 see the next page ...

Page 2: ...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 manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement wi...

Page 3: ...e wiring should be the same as that used originally For safety purposes insulating materials such as tubing or tape is sometimes used and printed circuit boards are sometimes mounted floating Also make sure that wiring is routed and clamped to avoid parts that generate heat and which use high voltage Always follow the original scheme 8 After a repair has been completed reassemble all disassembled ...

Page 4: ...s in this chassis have special safety related characteristics These characteris tics are often passed unnoticed by a visual inspection and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have these special safety characteristics are identified in this manual and its supplements electrical co...

Page 5: ...of the LCD module with the corresponding holes in the LCD cover and fasten with screws Do not strongly push on the mod ule because any impact can adversely affect the perform ance Also use caution when handling the polarized screen because it can easily be damaged CAUTION The metal edges of the LCD module are sharp so use caution to avoid in jury 3 If the panel surface becomes soiled wipe with cot...

Page 6: ...ecifications 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 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 7: ...ent items Channel on TV or Remote Change of the data value Volume on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory CALL Channel button onTV Reset the count of operating protect circuit to 00 CALL Channel button on TV RCUT selection 1 button GCUT selection 2 button BCUT selection 3 button CNTX selection 4 button COLP selection 5 button UVTT selection 6 butt...

Page 8: ...WER button to turn off the TV once INITIALIZATION OF MEMORY DATA After replacing EEPROM IC the following initialization is required 1 Enter the service mode then select any register item 2 Press and hold the CALL button on the Remote then press the CHANNEL s button on the TV The initialization of EEPROM IC has been complated 3 Check the picture carefully If necessary adjust any adjustment item abo...

Page 9: ...sion 0100 indicates WL58_ASIA_0100 2 Time Total hour of turn the TV on Unit H 3 Bus line OK is normal SCL GND Red indication SCL GND short circuit SDA GND Red indication SDA GND short circuit SDA SCL Red indication SDA SCL short circuit 4 Bus cont OK is normal NG is abnormal Red indication when type name of semiconductor indicates 5 Block UV TV reception mode V1 VIDEO 1 input mode 1 V2 VIDEO 2 inp...

Page 10: ... byte data 3 SUB MPU Version information of SUB MPU Display 1 byte data 4 OPTION Option information Display six numbers of 1 byte data 5 HDMI ID HDMI ID information Display 4 byte data 6 CD number Display 8 digit number 7 Model name Display 7 digit number 8 Panel Vender information display The following Panel Vender and screen size are displayed Example LPL 42 indicates that Vender is LPL and Scre...

Page 11: ...n Display five numbers of 1 byte data 4 SUB Sub source information Display RF position number 0 99 on the sub screen or Input Source EXT1 2 3 HDMI etc 5 SUB FORMAT Display Video and PC format information 6 SUB PLL Sub PLL information Display five numbers of 1 byte data 7 SCREEN SIZE Display the screen size as follows 8 OTHER STATUS Other status information Display three numbers of 2 byte data Supe...

Page 12: ...e selection MENU Volume Menu Program position Menu TV front view On timer indicator green You can swivel the TV screen Swivel angle 15 degrees to left and right Power switch SmartMedia card Slot for SmartMedia TV left side view Slot for SD or Memory Stick SD Memory Card Memory Stick card OR To use the BRIDGE MEDIA ...

Page 13: ...es Not supplied Right side view 1 Video 1 input terminals C2 COMPONENT VIDEO INPUT terminals AUDIO OUT terminals Fixed Variable MONITOR OUT terminals Left side view Card into the slot Squeeze tab and pull he to open the door RGB PC AUDIO input 2 Video 2 input terminals HDMI 2 AUDIO input terminals HDMI 1 input terminal RGB PC input HDMI 2 input termin HDMI 1 AUDIO input terminals ...

Page 14: ... BRIDGE MEDIA When in Teletext mode To reveal concealed text v To hold a wanted page To enlarge teletext display size y X To select a page while viewing a normal picture When in TV mode y X To select the time display Double Window on off Picture STILL n Double Window picture sound selection OK Stereo bilingual selection Mode switch TV To control TV VCR To control VCR DVD To control DVD Power on St...

Page 15: ...R BOARDS U003G PC HDMI BOARD U003B FRONT AV BOARD U001 SIGNAL BOARD U002A POWER BOARD U002B AC IN BOARD U003F POWER SW BOARD U003C RMT LED BOARD U003A TN AV BOARD U004 LOW B BOARD U003D KEY BOARD U005 BRIDGE MEDIA BOARD ...

Page 16: ...t and back cover 2 Remove the boards FRONT AV KEY POWER SW PC HDMI BRIDGE MEDIA U003D A340 A320 B310 B310 B315 B315 A375 A375 U003B U003G U003F A357 B310 B310 B310 U005 4 2 2 2 2 2 PP4 8 SW W SBN 8 PP4 8 SW W ECO 4 PP3 8 SW W ECO 2 PP3 8 SW W ECO 4 PP3 8 SW W ECO 2 4 40UNC JFS 4S L 13 2 1 1 2 ...

Page 17: ...PP3 8 SW W ECO 8 PP3 8 SW W ECO 4 A375 3 3 Remove the boards SIGNAL POWER AC IN TN AV RMT LED LOW B and speakers 4 Remove the display A201 B001 A370 2 A370 2 A235 2 A235 3 PP4 8 SW W SBN 4 BRBTBS4 16 ECO 3 BRBTBS4 16 ECO 3 W661 W661 A375 1 A310 A370 2 P801 PP3 8 SW W ECO 1 PP3 8 SW W ECO 7 ...

Page 18: ...0 U003B U003G U003D A340 A420 A440 A445 U005 5 B310 2 B310 2 B315 4 B315 2 A375 2 A375 2 A411 16 PP4 8 SW W SBN 3 PP4 8 SW W ECO 4 PP4 8 SW W SBN 5 5 U003F A357 PP3 8 SW W ECO 4 PP3 8 SW W ECO 2 PP3 8 SW W ECO 2 4 40UNC JFS 4S L 13 2 B310 2 B310 1 B310 1 ...

Page 19: ...U003C A201 B001 2 A370 2 A235 2 A235 3 A375 3 A375 1 A375 2 BRBTBS4 16 ECO 3 BRBTBS4 16 ECO 3 PP3 8 SW W ECO 5 PP3 8 SW W ECO 6 PP3 8 SW W ECO 1 PP3 8 SW W ECO 7 PP3 8 SW W ECO 4 PP3 8 SW W ECO 8 PP3 8 SW W ECO 4 PP4 8 SW W SBN 4 A310 A370 2 2 Main Block ...

Page 20: ... 20 PACKING DISASSEMBLY A701B A701T A701R A701E A701A A702B A702B A702A A702A A705 A705 A709 Y101M Y101K Y101J Y101H Y101A Y130 Y170 ...

Page 21: ... CHIP 50V CH 11PF J C517 76092785 CERAMIC CHIP 10V B 0 47UF K C519 76619048 ELECTROLYTIC CHIP 25V 4 7UF M C521 76092733 CERAMIC CHIP 50V B 0 022UF K C524 76109103 CERAMIC CHIP 50V B 0 01UF K C526 76109103 CERAMIC CHIP 50V B 0 01UF K C527 76619071 ELECTROLYTIC CHIP 50V 2 2UF C529 76100104 CERAMIC CHIP 25V F 0 1UF Z C530 76619157 ELECTROLYTIC CHIP 16V 100UF C605 76109102 CERAMIC CHIP 50V B 1000PF K ...

Page 22: ...2730 CERAMIC CHIP 16V B 0 1UF K C8210 76105331 CERAMIC CHIP 50V CH 330PF J C8211 76815473 CERAMIC CHIP 50V B 0 047UF K C8212 76092178 CERAMIC CHIP 25V B 0 1UF K C8213 76109102 CERAMIC CHIP 50V B 1000PF K C8241 76073196 ELECTROLYTIC 50V 22UF M 3A C8250 76092341 CERAMIC DISC 2KV R 470PF K C8251 76434100 CERAMIC DISC 500V SL 10PF D C8390 76109102 CERAMIC CHIP 50V B 1000PF K C8401 76092733 CERAMIC CHI...

Page 23: ...UF K CV23 76092731 CERAMIC CHIP 16V B 1UF K CV24 76092731 CERAMIC CHIP 16V B 1UF K CV25 76092731 CERAMIC CHIP 16V B 1UF K CV26 76092731 CERAMIC CHIP 16V B 1UF K CV27 76092731 CERAMIC CHIP 16V B 1UF K CV28 76092731 CERAMIC CHIP 16V B 1UF K CV29 76092731 CERAMIC CHIP 16V B 1UF K CV33 76100104 CERAMIC CHIP 25V F 0 1UF Z CV40 76100104 CERAMIC CHIP 25V F 0 1UF Z CV41 76100104 CERAMIC CHIP 25V F 0 1UF Z...

Page 24: ...ETAL FILM 1 4W 56K OHM F R8113 76000250 METAL FILM 1 4W 56K OHM F R8114 76000527 METAL FILM 1 4W 5 6K OHM F R8115 76000639 METAL FILM 1 4W 22K OHM F R8116 76000554 CHIP RESISTOR 1 16W 510 F R8117 76000574 METAL FILM CHIP 1 16W 2 7K F R8118 76000574 METAL FILM CHIP 1 16W 2 7K F R8130 76871182 CHIP 1 8W 1 8K OHM J R8131 76871182 CHIP 1 8W 1 8K OHM J R8132 76871182 CHIP 1 8W 1 8K OHM J R8133 76011102...

Page 25: ...CARBON FILM 1 6W 1K OHM J RE18 76366153 CARBON FILM 1 6W 15K OHM J RE19 76366473 CARBON FILM 1 6W 47K OHM J RE60 76000142 METAL FILM 1 4W 240 OHM F RE61 76000360 METAL FILM 1 4W 1 2K OHM F RE63 76366102 CARBON FILM 1 6W 1K OHM J RE65 76367620 CARBON FILM 1 6W 62 G RE66 76367222 CARBON FILM 1 6W 2 2K OHM G RE90 76000358 METAL FILM 1 4W 1K OHM F RE91 76182046 METAL FILM 1 4W 680 F RE92 76366101 CARB...

Page 26: ...J RV18 76011101 CHIP 1 20W 100 OHM J RV19 76011101 CHIP 1 20W 100 OHM J RV20 76011101 CHIP 1 20W 100 OHM J RV21 76011101 CHIP 1 20W 100 OHM J RV22 76011101 CHIP 1 20W 100 OHM J RV28 76011103 CHIP 1 20W 10K OHM J RV29 76011103 CHIP 1 20W 10K OHM J RV31 76011104 CHIP 1 20W 100K OHM J RV32 76011104 CHIP 1 20W 100K OHM J RV39 76011330 CHIP 1 20W 33 OHM J RV40 76011101 CHIP 1 20W 100 OHM J RV41 7601110...

Page 27: ...248490 COIL CHOKE EI25 5 3MMH 8 0A TLN3640AH T840 23217800 TRANSFORMER CONVERTER TPW3565AS T860 23217802 TRANSFORMER CONVERTER TPW3567AS T880 23217801 TRANSFORMER CONVERTER TPW3566AS SEMICONDUCTORS Q101 23205506 TRANSISTOR 2SC4081 Q Q501 23085049 IC TB1274BFG DRY Q504 23205507 TRANSISTOR 2SA1576A Q Q612 23205443 TRANSISTOR 2SA1162 Y F Q620 23205506 TRANSISTOR 2SC4081 Q Q621 23205506 TRANSISTOR 2SC...

Page 28: ...TK D693 23362140 DIODE KDS160 RTK D809 76000656 VARISTOR TNR15G471K D811 23357841 DIODE ZENER MTZJ6 8A D815 23357692 DIODE ZENER RD2 0ESA B2 D816 23357738 DIODE ZENER MA8047 L D819 23357718 THYRISTOR SF0R3G42 N G5H1 D820 23357913 DIODE RBV 1506 LF A D821 23362240 DIODE VRM 1200V IF AV 3A FMC 26UAR D822 23362220 DIODE VRM 600V IF 5A FMX G16S D823 23362223 DIODE VRM 600V IF 1 2A DO201AD RM3A LF014 1...

Page 29: ...PE GR153 76000445 CHIP JUMPER 1608TYPE GR25 76000445 CHIP JUMPER 1608TYPE GR26 76000445 CHIP JUMPER 1608TYPE GR27 76000445 CHIP JUMPER 1608TYPE GR28 76000445 CHIP JUMPER 1608TYPE GR501 76000445 CHIP JUMPER 1608TYPE GR510 76000445 CHIP JUMPER 1608TYPE GR605 76000445 CHIP JUMPER 1608TYPE GR614 76000445 CHIP JUMPER 1608TYPE GR615 76000445 CHIP JUMPER 1608TYPE GR616 76000445 CHIP JUMPER 1608TYPE GR623...

Page 30: ...6 CLAMP WIRE POF COAT L 70MM X1 23153590 CRYSTAL RESONATOR 12 000MHZ CX 53F 12M X2 23153629 CRYSTAL RESONATOR CX 53F 25 175 X501 23153612 CRYSTAL 16 200 25PPM 25OHM X4010 23153721 CERAMIC RESONATOR 503KHZ X7001 23153602 CRYSTAL RESONATOR 27 000MHZ CX 53F ZA01 23103840 FERRITE CORE TFE1013 ZA02 23103778 FERRITE CORE TFE1008 PC BOARD ASSEMBLIES U001 75001747 PC BOARD ASSY PD2238E1 SIGNAL U002A 75001...

Page 31: ...SIGNAL BOARD PD2238E1 U001 BOTTOM FOIL SIDE 31 32 ...

Page 32: ...SIGNAL BOARD PD2238E1 U001 TOP COMPONENT SIDE 33 34 ...

Page 33: ...08 D880 D887 Q8601 Q864 R862 D8601 D885 Q8602 D8602 D883 R8814 C883 R8713 C866 Q860 R885 D865 R8601 R8714 C8602 C8801 T880 R8806 C864 R880 C899 D884A D8803 L883 D8804 R883 R882 C889 R8805 D886A L881 R884 C895 C890 P P 8 1 D 8 2 8 D820 GAP11 R8310 R8313 Q8312 SR80 D820A D8311 Q8310 SR81 R8312 D8313 C824 D8310 Q8311 D8312 PP84 R8715 C8701 Q870 C878 D8705 D8706 PP85 D8401 Q840 C8490 D843 C876 P860 Q8...

Page 34: ...04 X4010 LV15 CS53 C646 R628 R4474 CS51 L505 P803B LY110 RY08 DV16 R4430 GR151 RS94 DV06 Q674 C514 RY111 P516B CY103 CY115 LY102 C1802 CY112 CS86 RY102 CY190 RY105 CY111 PV99B CY101 PJ21A DY101 LY103 CY114 HY01 RY108 RY103 RY101 LY104 LY190 GR157 DE99 GR158 CY116 RY107 CY110 RY106 RY104 CY113 QY101 CY120 QT05 QT02 RT26 QT09 QT03 RT09 RT08 CT02 CT08 RT17 RT18 QT06 QT07 GT01 QT01 QT04 RT14 GT02 RT20...

Page 35: ...60 LY101 LV06 C640 C641 RV07 GRV03 GRV06 R4426 LV29 C643 QS10 C506 RS56 C501 RS27 GRV09 C505 DV02 GR501 CV14 GRV10 C529 LV03 CY119 L400 R508 GRV43 QV01 DV07 GRV01 GRV44 CY105 C4410 GRV64 CV63 GR153 DV08 CS81 RS36 QV04 R502 R123 PV25A C517 GRV62 R124 LV01 GR152 C530 CV16 Q4200 RV39 C4406 RS58 DV09 GRV11 R4465 Q4464 C504 C519 CV01 CV40 DV05 C4409 RV30 CC31 GRV12 CC20 GRV66 CV72 RY121 CV27 CS15 CS55 ...

Page 36: ...7 KB01 DB01 RB24 RB22 CB38 CB04 CB01 PJ41A CB05 RB10 RB18 RB15 RB08 CB03 QB04 QB07 RB24 RB22 CB38 CB04 1 11 PD2235 23590314 3 ON TIMER POWER CB01 PJ41A CB05 CB02 DB20 DB02 RB09 DB22 DB23 KB01 DB01 DB20 RB09 DB22 DB23 KEY BOARD PD2235B4 U003D BOTTOM FOIL SIDE KEY BOARD PD2235B4 U003D TOP COMPONENT SIDE 41 42 R 1786 23547871 1 6 RA72 RA73 SA03 SA02 DA01 RA74 SA01 SA07 DA07 RA79 PJ42A RA78 RA71 RA77 ...

Page 37: ...2 4 1 3 5 E B B E C 15 12LCD 12LCD GND 12V GND POREW_DB POWER_TV STOP FAN B E E C B STOP_FAN F630mAL 250V GND GND 12LCD 5V 1 GND FAN_VCC 3 2 1 1 2 4 5 E C B B B B C C C E E 1 2 3 4 5 6 7 8 9 10 11 12 13 26V 26V SOUND GND SOUND GND 5V 1 32V 9V 1 GND GND 5V 3 5V 3 ACDETECT GND CE67 RE61 CE64 LE31 P807A CE30 P809A QE65A RE36 DE32 RE35 RE38 QE35 RE33 RE37 CE36 CE35 QE35A CE66 RE30 CE34 DE31 QE60 RE66 ...

Page 38: ...D2305A1 U005 TOP COMPONENT SIDE 45 46 1 2 E 568 23547832 IS P C3A T6 3AH 250V CAUTION LIVE AREA 2 1 F801 P801A T802 GAP9 GAP3 T801 D809 GAP2 C806 GAP4 C801 C809 GAP8 GAP5 C807 GAP10 C808 R801 R809 GAP1 GAP7 GAP6 C802 PG01 P802A AC IN BOARD PD2171A2 U002B BOTTOM FOIL SIDE ...

Page 39: ...hematic 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 PRECAUTION and PRODUCT SAFETY NOTICE...

Page 40: ...8 80 STD BY MICOR SHEET 405 49 80 CORTEZ REG 1 SHEET 406 50 80 CORTEZ REG 2 SHEET 407 51 80 CORTEZ REG 3 SHEET 408 52 80 BOOT CONFIG SHEET 409 53 80 SERVICE CONNECTOR SHEET 410 54 80 I2C Switch SHEET 411 55 80 AUDIO 1 2 SHEET 600 56 80 AUDIO 2 2 SHEET 601 57 80 CORTEZ 1 SHEET 700 58 80 CORTEZ 2 SHEET 701 59 80 DDR I F SHEET 702 60 80 DDR SDRAM SHEET 703 61 80 DDR TERMINATION SHEET 704 62 80 DCDC C...

Page 41: ...TA PROCESS OUT 2 OSD YCbCr ANALOG FRONT END OUT 3 YCbCr VIDEO DEC DCDi CVBS S MADi S DET SCALING YCbCr BM MUX BEP LVDS 2nd CHANNEL DIGITAL INPUT A PROCESS HDMI DIGITAL INPUT B VCD MICRO PROCESSOR STAND BY MICRO TIF VIDEO SYSTEM CVBS S YCbCr MAIN CVBS S YCbCr SUB RGB CVBS LVDS LCD EEPROM FLASH ROM HY01 TIF EXT 2 FRONT PC MONITOR OUT EXT 1 CS 1 CS 2 A CIRCUIT BLOCK DIAGRAM ...

Page 42: ...R8 LR9 LR10 LR11 I2S IN1 9V RESET I2S OUT I2S CORTETZ SCALER VCD µcom Delay I2S OUT MSP_RESET DVI_SW1 DVI_SW2 ph2S WOOFER SW ph2S Variable Fix AUDIO SYSTEM AD MTS Demod SCART Input Select AD TIF MAIN SCART Output Select Source Select DA APRO E1 E2 front HDMI 2 A E4 CS1 E5 CS 2 BM HDMI 1 A HDMI D PC DA HDMI BS_TV_MUTE EXT MUTE MUTE MONI_SW Audio Out Fix Variable Woofer Out 9V DA DA DACM_LR DACM_SUB...

Page 43: ...er 10 W 10 W 10 THD Speakers Main 60 120 mm 4 pcs Tweeter 33mm round 2 pcs Input Output terminals 1 Input 4 pin S video Phono jacks A V 2 Input 4 pin S video Phono jacks A V C1 Input Component video Y PB CB PR CR Phono jacks A V C2 Input Component video Y PB CB PR CR Phono jacks A V MONITOR OUT Output Phono jacks A V AUDIO OUT Output Phono jacks Audio L R Fixed Variable WOOFER OUT Output Phono jac...

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