Toshiba 26WL46B Service Manual Download

Page: 1 / 116

SERVICE MANUAL

LCD Colour TV

26WL46B

26WL46G

F4LW Chassis

FILE NO. 070-200404

May. 2004 (YC/X)

Summary of Contents for 26WL46B

Page 1: ...SERVICE MANUAL LCD Colour TV 26WL46B 26WL46G F4LW Chassis FILE NO 070 200404 May 2004 YC X ...

Page 2: ...SAFETY PRECAUTIONS 3 HANDLING SERVICE MODE THE LCD MODULE 5 7 LOCATION OF CONTROLS 11 LAYOUT OF MAJOR BOARDS 15 MECHANICAL DISASSEMBLY 16 EXPLODED VIEW 35 PACKING DISASSEMBLY 39 CHASSIS AND CABINET REPLACEMENT PARTS LIST 41 PC BOARDS TOP BOTTOM VIEWS 53 CIRCUIT BLOCK DIAGRAM WIRING CONNECTIONS 29 2 ...

Page 3: ...injury or where there could be physical damage in the event of operational error Physical damage means major damage to a home furnishings and other possessions Examples of marks SHOCK HAZARD PROHIBIT DISASSEM BLING UNPLUG The indicates caution including danger and warning The actual meaning of this caution is indicated inside the or nearby illustrations or text The example shown to the left indica...

Page 4: ...d parts when the mark is included in a circuit diagram or parts list Parts mounting and routing of the 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 volta...

Page 5: ...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 cotton...

Page 6: ...m The gas generated by these materials can cause loss of polarity Cleaning Remove the power plug before cleaning Do not use solvents such as benzine or thinner to clean the TV These solvents may distort the cabinet or damage its finish If rubber or vinyl products remain in contact with the TV for a long time a stain may result When the cabinet becomes dirty clean it with a soft dry cloth When the ...

Page 7: ...on of adjustment item R CUTOFF 1 POS Remote unit G CUTOFF 2 POS Remote unit B CUTOFF 3 POS Remote unit 4 Data setting for PC unit adjustment SUB CONTRAST 4 POS Remote unit SUB COLOR 5 POS Remote unit SUB TINT 6 POS Remote unit 5 Screen adjustment mode ON OFF Previous 6 Test signal selection VIDEO Remote unit In service mode serviceable items are limited 3 Self check display 9 POS Remote unit Cycli...

Page 8: ... at intervals of 0 5 second LED is lit in 0 25 second at intervals of 2 second LED is lit in 5 seconds at in tervals of 5 seconds 4 FAILURE DIAGNOSIS PROCEDURE This model is equipped with self diagnosis function inside for trouble shooting 4 1 Contents to be Confirmed by Customer Contents of self diagnosis Set Power does not turn on by power key or it turns off automatically 1 When power protectio...

Page 9: ...tion of part code of microprocessor QA01 C Total Time of Power on hour D Number of operation of power protection circuit E Check of communication status in BUS line F Check of signal line by sync signal detection Display items and actual operation Display items and actual operation Please see item 4 4 Table 3 SELF DIAGNOSIS mode OSD TEXT M2 Sub System Information Version Check Description for Vers...

Page 10: ...or non of sync part the result of self diagnosis is displayed on screen Besides when 9 key on remote unit is pressed diagnosis operation is first executed once Instruction of results Indication of OK for normal result Indication of failure place in abnormality Failure place to be indicated QA02 NG H001 NG Q501 NG QV01 NG Q4420 NG H002 NG QA02 E2 PROM H001 MAIN TUNER Q501 MCD QV01 AVSW Q4420 SCAN P...

Page 11: ...LOCATION OF CONTROLS Front Remote sensor Power switch Power indicator red TV front view On timer indicator green 11 ...

Page 12: ...nent video Composite video Audio input EXT2 IN Component video Composite video Audio input MONITOR OUT 40 Audio Video output AUDIO OUT Fixed Variable Audio input EXT3 IN OUT Scart 3 Back view TV back view Cable holder Back view Headphones jack 3 5 mm stereo EXT6 IN S video Video Audio input Cable holder Back view Side view 12 ...

Page 13: ...ns 0 9 Input source selection EXT1 EXT6 RGB PC To access sub pages when in Teletext Picture size selection EXIT Menu Programme position Teletext Teletext control buttons Four coloured buttons Red Green Yellow Blue Bass boost on off External woofer on off Sound mute When in VCR or DVD mode Only for Toshiba VCR DVD players to PAUSE to EJECT to SKIP REWIND to SKIP FORWARD to PLAY to STOP to REWIND to...

Page 14: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 14 ...

Page 15: ...ARDS U800 POWER MODULE UNIT U003 SCALER Board U001B FRONT AV Board U002A TN AOUT Board U001C AV2 Board U001G D REWRITE Board U001E KEY SW Board U001F LED RMT Board U001D POWER SW Board U001A SIGNAL Board U002B PC INPUT Board ...

Page 16: ...BC Stand Cover BC Terminal Cover 1 Removing the back cover 1 Remove the BC stand cover 2 Remove the BC terminal cover 3 Remove 6 screws then remove the stand Note Be sure to lay down the main body by placing its screen downward for disassembly ...

Page 17: ... 17 PBI 4x12 Back Cover PP 3x8 PP 3x6 PP 3x8 4 Remove 11 screws PBI 4x12 5 Remove 5 screws PP 3x6 6 Remove the back cover ...

Page 18: ... Front AV board 3 Remove the wire harness of the 3 wire holders 4 Remove 4 screws then remove the left speaker and wire holder 5 Remove 4 screws then remove the right speaker and wire holder PBI 4x12 Speaker R Speaker wire harness Wire harness Wire holder Wire holder Wire holder Speaker L PBI 4x12 FRONT AV Board ...

Page 19: ... 19 3 Removing the top shield bracket 1 Remove the back cover Refer to Item 1 2 Remove 5 screws then remove the top shield bracket Top Shield Braket STP 3x8 STP 3x8 ...

Page 20: ...e connector 3 Remove the 3 wire harnesses from the 3 wire clampers on the plate back R 4 Disconnect the 8 wire harnesses from the 8 connectors on the Power Module unit 5 Remove 7 screws then remove the Power Module unit Power cord STP 3x8 Wire Harnesses Wire Harnesses POWER MODULE UNIT Wire clampers Plate Back R ...

Page 21: ... 4 screws STP3x6 and 2 screws STP3x5 then remove the top shield RM 4 Disconnect the 8 wire harnesses and 2 FFC from the Scaler board 5 Remove 4 screws STP3x5 then remove the Scaler board and bottom shield RM SCALER board SCALER board Top shield RM STP 3x6 STP 3x6 STP 3x5 STP 3x5 Bottom shield RM Wire Harnesses FFC Wire Harnesses ...

Page 22: ... Refer to Item 5 4 Remove 2 screws then remove the D Rewrite board 5 Disconnect the 2 wire harnesses and 1 FFC on the D Rewrite board 6 Remove 2 screws then remove the digital unit bracket 7 Remove 2 screws then remove the scaler unit bracket STP 3x8 STP 3x8 STP 3x8 PP 3x6 Scaler unit bracket Digital unit bracket D REWRITE board Wire harnesses FFC ...

Page 23: ... 5 4 Remove the D Rewrite board Refer to Item 6 5 Remove 5 screws BIDT 2 3x10BZ and 2 screws then remove the back terminal plate 6 Remove 2 screws STP 3x8 2 hexagon nuts and 1 toothed washer then remove the back bottom plate 7 Remove 5 screws STP 3x8 then remove the back R plate Back bottom plate Toothed washer Hexagon nut Back plate R STP 3x8 STP 3x8 STP 3x8 BIDT2 3x10 BZ STP 3x8 Back terminal pl...

Page 24: ...T board 7 Remove 5 screws STP 3x8 then remove the TN AOUT board 8 Remove the connector B from the Signal board 9 Remove 3 screws STP 3x8 then remove the AV2 board 10 Remove 1 screw BIDT2 3x10BZ then remove the AV2 panel 11 Remove the 6 wire harnesses and 2 FFC from the Signal board 12 Remove 5 screws STP 3x8 then remove the Signal board AV2 board SIGNAL board TN AOUT board SIGNAL board Connector A...

Page 25: ... AV panel 4 Remove 1 screw BIDT2 3x10 BZ and 1 screw PP 3x6 then remove the rear AV panel 5 Disconnect the 2 wire harnesses and 1 FFC from the Front AV board 6 Remove 2 screws PP 3x6 then remove the wire holder and Front AV board FRONT AV board Wire holder PP 3x6 PP 3x6 PP 3x6 BIDT2 3x10 BZ BIDT2 3x10 BZ Wire harnesses Front AV panel Rear AV panel FFC ...

Page 26: ...nect the 2 wire harnesses from the connector on the LED RMT board 4 Remove 2 screws STP 3x8 then remove the switch cover and cap 5 Disconnect the wire harness from the connector on the Power SW board 6 Remove 3 screws STP 3x8 then remove the Power SW board LED RMT board POWER SW board Switch cover Cap STP 3x8 STP 3x8 STP 3x8 Wire harnesses Wire harness ...

Page 27: ...er to Item 7 8 Remove the TU AOUT AV2 and Signal boards Refer to Item 8 9 Remove the Front AV board Refer to Item 9 10 Remove the Power SW and LED RMT boards Refer to Item 10 11 Remove 2 screws PP 3x6 then remove the cord holder 12 Remove 4 screws PP 3x6 then remove 2 fan bracket holders 13 Remove 4 screws PP 3x20 then remove the 2 DC fans 14 Remove 10 screws PBI 4x12 and 8screws PP 4x10 then remo...

Page 28: ...racket Refer to Item 6 7 Remove the back plate Refer to Item 7 8 Remove the TU AOUT AV2 and Signal boards Refer to Item 8 9 Remove the Front AV board Refer to Item 9 10 Remove the Power SW and LED RMT boards Refer to Item 10 11 Remove the chassis frame Refer to Item 11 12 Remove 2 screws BIDT2 3x10 then remove the key SW panel 13 Remove 2 screws BIDT2 3x10 then remove the Key SW board 14 Disconnec...

Page 29: ... SCALER BOARD WIRE HARNESS POW SCALER P816A U800 POWER BLOCK MODULE PJ11 U003 SCALER BOARD WIRE HARNESS TN AOUT SCA P809 U800 POWER BLOCK MODULE P809A U002A TN AOUT BOARD WIRE HARNESS TN AOUT POW CONNECTOR Board name Description P809A U002A TN AOUT BOARD U800 POWER BLOCK MODULE P805A P816A P809 PJ10 PJ11 U003 SCALER BOARD ...

Page 30: ...ARNESS SIG KEY SW P601 U002A TN AOUT BOARD SPEAKER L R WIRE HARNESS SPK RELAYED P614A U002A TN AOUT BOARD P614B U001B FRONT AV BOARD WIRE HARNESS TN AOUT FAV P811A U001A SIGNAL BOARD P811B U800 POWER BLOCK MODULE WIRE HARNESS SIGNAL POW P810A U001A SIGNAL BOARD P810B U800 POWER BLOCK MODULE WIRE HARNESS SIGNAL POW CONNECTOR Board name Description P614B PV25B PB12B PB11B P601 P614A U002A TN AOUT BO...

Page 31: ...E HARNESS POW POW SW P801 U800 POWER BLOCK MODULE POWER CORD POWER CORD CN804 U800 POWER BLOCK MODULE CN4 PANEL WIRE HARNESS PANEL POW CN805 U800 POWER BLOCK MODULE CN5 PANEL WIRE HARNESS PANEL POW CONNECTOR Board name Description CN804 P802 P801 CN805 U001D POWER SW BOARD U800 POWER BLOCK MODULE LCD PANEL CN4 CN5 P802A ...

Page 32: ... TN AOUT BOARD P214A U001A SIGNAL BOARD B B CONNECTOR PV21A U001C AV2 BOARD PV21B U001A SIGNAL BOARD B B CONNECTOR PV23B U002A FRONT AV BOARD PV23A U001A SIGNAL BOARD FFC CABLE P1 0 19P Description WIRE HOLDER WIRE CLAMPER CONNECTOR Board name U001C AV2 BOARD P23B PV21A P102A P101B P214B U002A TN AOUT BOARD U001B FRONT AV BOARD P23A U001A SIGNAL BOARD PV21B P102B P101A P214A ...

Page 33: ...BOARD FFC CABLE P1 0 25P PJ18 U003 SCALER BOARD LVDS CABLE CABLE LVDS 300MM LVDS PJ61 U003 SCALER BOARD PJ61A U001G D REWRITE BOARD FFC CABLE P1 0 11P PJ60 U003 SCALER BOARD PJ60A U001G D REWRITE BOARD WIRE HARNESS SCA DREWRIT PJ64 U003 SCALER BOARD PJ64A U001G D REWRITE BOARD WIRE HARNESS SIG DREWRIT CONNECTOR Board name Description PT01 U002A TN AOUT BOARD PJ64A PJ60A PJ61A U001G D REWRITE BOARD...

Page 34: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 34 ...

Page 35: ...01 A406 A402 A227 LOCATION No Parts No Description A401 23532671 COVER BACK COVER A402 23532673 COVER BC STAND COVER A406 23532674 COVER BC TERMINAL COVER A227 23429049 CABINET STAND A501 23717176 SCREW PP5X12 SW W SZ A502 23717175 SCREW PP3X6 SW W SZ A505 23035004 SCREW PBI4X12 SBN ...

Page 36: ...SCALER P801 23372208 POWER CORD UK HK PSB 10A 250V FOR 26WL46B 23372011 POWER CORD CEE VOLEX FOR 26WL46G A221 23940066 PIECE REAR AV ASSY A222 23940063 PIECE FRONT AV ASSY LOCATION No Parts No Description U800 23122467 UNIT POWER BLOCK MODULE MJ61 23389212 FFC CABLE P1 0 11P ZA01 23103778 FERRITE CORE TFE1008 ZA02 23103914 CORE FERRITE CORE 15X22X7 TFE1015AD UF01 23125908 FAN DC 12V 60MM D06R 12SL...

Page 37: ...002A U002B A224 U001C MJ15 LOCATION No Parts No Description U001A 75000792 PCB SIGNAL U001C 75000794 PCB PB UNIT AV2 U001G 75000798 PCB PB UNIT D REWRITE U002A 75000799 PCB PB UNIT TN AOUT U002B 75000800 PCB PB UNIT PC INPUT MJ15 23389211 FFC CABLE P1 0 25P MV23 23389213 FFC CABLE P1 0 19P A224 23940068 PIECE TOP AV ASSY A502 23717175 SCREW PP3X6 SW W SZ A503 72471064 SCREW BIDT2 3 10BZ ...

Page 38: ...5 PCB PB UNIT POW SW U001E 75000796 PCB PB UNIT KEY SW U001F 75000797 PCB PB UNIT LED RMT A201 23532667 COVER FRONT BEZEL ASSY A202 23940073 PIECE PIECE KEY ASSY A219 23528375 HOLDER HOLDER P CORD PAL B001 23301561 LCD PANEL 03SHARP26 26L400V LOCATION No Parts No Description W661 23351156 SPEAKER SPK1410AM 60X120 8 OHM 10W A203 23940025 PIECE PIECE POWER ASSY A215 23940043 PIECE CAP P SWITCH A502 ...

Page 39: ... BOTTOM PACKING A703 23945143 BAG PROTECTIVE 35P2700 A705 23518043 PACKING JOINT 32Z5P K902 23306469 REMOCON HAND UNIT CT 90126 Y101A 23566309 OWNERS MANUAL E LCD Y101B 23566310 OWNERS MANUAL F LCD FOR 26WL46G LOCATION No Parts No Description Y101C 23566311 OWNERS MANUAL DEUT G LCD FOR 26WL46G Y101D 23566312 OWNERS MANUAL S LCD FOR 26WL46G Y101E 23566313 OWNERS MANUAL I LCD FOR 26WL46G Y101F 23566...

Page 40: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 40 ...

Page 41: ...C CHIP 25V F 0 1UF Z C511 24100104 CERAMIC CHIP 25V F 0 1UF Z C512 24100104 CERAMIC CHIP 25V F 0 1UF Z C514 24203470 ELECTROLYTIC 16V 47UF M 7L 3A C516 24105110 CERAMIC CHIP 50V CH 11PF J C517 24206478 ELECTROLYTIC 50V 0 47UF M 7L 3A C519 24206479 ELECTROLYTIC 50V 4 7UF M 7L 3A C521 24092733 CERAMIC CHIP 50V B 0 022UF K C522 24109103 CERAMIC CHIP 50V B 0 01UF K C523 24100104 CERAMIC CHIP 25V F 0 1...

Page 42: ... 16V 10UF M 7L 3A CD14 24092726 CERAMIC CHIP CK733B 16V 2 200 000PFK CD15 24092726 CERAMIC CHIP CK733B 16V 2 200 000PFK CD16 24109333 CERAMIC CHIP CK73B 25V 33000PFK CD18 24109332 CERAMIC CHIP 50V B 3300PF K CD20 24092726 CERAMIC CHIP CK733B 16V 2 200 000PFK CF34 24092538 CERAMIC CHIP 10V F 1UF Z CF38 24203100 ELECTORLYTIC 16V 10UF M 7L 3A CF39 24109103 CERAMIC CHIP 50V B 0 01UF K CS01 24092538 CE...

Page 43: ...AMIC CHIP 50V B 1000PF K CZ34 24105330 CERAMIC CHIP 50V CH 33PF J CZ35 24105181 CERAMIC CHIP 50V CH 180PF J CZ36 24100104 CERAMIC CHIP 25V F 0 1UF Z CZ37 24100104 CERAMIC CHIP 25V F 0 1UF Z CZ38 24100104 CERAMIC CHIP 25V F 0 1UF Z CZ39 24105181 CERAMIC CHIP 50V CH 180PF J CZ40 24105560 CERAMIC CHIP 50V CH 56PF J CZ41 24105270 CERAMIC CHIP 50V CH 27PF J CZ42 24100104 CERAMIC CHIP 25V F 0 1UF Z CZ43...

Page 44: ... J RA05 24011102 CHIP METAL FILM 1 20W 1K OHM J RA06 24011102 CHIP METAL FILM 1 20W 1K OHM J RA07 24011101 CHIP METAL FILM 1 20W 100 OHM J RA08 24011101 CHIP METAL FILM 1 20W 100 OHM J RA09 24011102 CHIP METAL FILM 1 20W 1K OHM J RA10 24011102 CHIP METAL FILM 1 20W 1K OHM J RA11 24011103 CHIP METAL FILM 1 20W 10K OHM J RA12 24011103 CHIP METAL FILM 1 20W 10K OHM J RA13 24011331 CHIP METAL FILM 1 2...

Page 45: ...24011271 CHIP METAL FILM 1 20W 270 OHM J RS14 24011271 CHIP METAL FILM 1 20W 270 OHM J RS15 24011104 CHIP METAL FILM 1 20W 100K OHM J RS16 24011104 CHIP METAL FILM 1 20W 100K OHM J RS17 24011473 CHIP METAL FILM 1 20W 47K OHM J RS18 24011473 CHIP METAL FILM 1 20W 47K OHM J RS19 24011101 CHIP METAL FILM 1 20W 100 OHM J RS20 24011101 CHIP METAL FILM 1 20W 100 OHM J RS21 24011472 CHIP METAL FILM 1 20W...

Page 46: ...1 20W 2 2K OHM J RV61 24011101 CHIP METAL FILM 1 20W 100 OHM J RV62 24011102 CHIP METAL FILM 1 20W 1K OHM J RV63 24011102 CHIP METAL FILM 1 20W 1K OHM J RV64 24011222 CHIP METAL FILM 1 20W 2 2K OHM J RV65 24552101 OXIDE METAL FILM 1 2W 100 OHM J RV67 24872471 CHIP 1 16W 470 OHM J RV68 24011101 CHIP METAL FILM 1 20W 100 OHM J RV72 24872391 CHIP 1 16W 390 OHM J RV73 24872391 CHIP 1 16W 390 OHM J RV7...

Page 47: ...62 24011220 CHIP METAL FILM 1 20W 22 OHM J RZ63 24011102 CHIP METAL FILM 1 20W 1K OHM J RZ64 24011102 CHIP METAL FILM 1 20W 1K OHM J RZ65 2 24011152 CHIP METAL FILM 1 20W 1 5K OHM J RZ66 24011220 CHIP METAL FILM 1 20W 22 OHM J RZ67 24011102 CHIP METAL FILM 1 20W 1K OHM J RZ72 24011103 CHIP METAL FILM 1 20W 10K OHM J RZ73 24011103 CHIP METAL FILM 1 20W 10K OHM J RZ74 24871681 CHIP 1 8W 680 OHM J RZ...

Page 48: ...23103828 INDUCTOR BEAD TEM2121M LC09 23103828 INDUCTOR BEAD TEM2121M LC10 23103828 INDUCTOR BEAD TEM2121M LC11 23103828 INDUCTOR BEAD TEM2121M LC12 23103828 INDUCTOR BEAD TEM2121M LC13 23103828 INDUCTOR BEAD TEM2121M LC14 23103828 INDUCTOR BEAD TEM2121M LC15 23103828 INDUCTOR BEAD TEM2121M LC16 23103828 INDUCTOR BEAD TEM2121M LC18 23103828 INDUCTOR BEAD TEM2121M LC24 23103828 INDUCTOR BEAD TEM2121...

Page 49: ...Q QV04 23314993 TRANSISTOR 2SC4081 Q QV05 23314993 TRANSISTOR 2SC4081 Q QV06 23314994 TRANSISTOR 2SA1576A106 QV09 23114433 TRANSISTOR 2SC1815 Y QV11 23114433 TRANSISTOR 2SC1815 Y QV12 23114433 TRANSISTOR 2SC1815 Y QV14 23114433 TRANSISTOR 2SC1815 Y QV16 70128711 IC SW 2IN 1OUT 3CIRCUIT ALLCLP BA7603F QV17 23318981 IC MC14053BF QV20 23314994 TRANSISTOR 2SA1576A106 QV21 23314993 TRANSISTOR 2SC4081 Q...

Page 50: ...H F1 TV4 P661 23365500 EARPHON JACK P662 23365432 EARPHONE JACK P801 1 23372208 POWER CORD UK HK PSB 10A 250V MP5004A PSB 2 23372011 POWER CORD CEE VOLEX P802A 23368013 CONNECTOR PLUG 2P 11 88MM W VT JST P809A 23367068 CONNECTOR PLUG 8P 2 5MM G JST EH B8B EH F1 TV4 P810A 23367073 CONNECTOR PLUG 13P P811A 23367070 PLUG NP 2 5MM G JST EH B10B EH F1A PB11A 23368578 CONNECTOR PLUG 4P 2 5MM G JST EH B4...

Page 51: ... A201 23532667 COVER FRONT BEZEL ASSY A202 23940073 PIECE PIECE KEY ASSY A203 23940025 PIECE PIECE POWER ASSY A215 23940043 PIECE CAP P SWITCH A218 23528373 HOLDER FAN BRACKET A219 23528375 HOLDER HOLDER P CORD PAL A221 23940066 PIECE REAR AV ASSY A222 23940063 PIECE FRONT AV ASSY A224 23940068 PIECE TOP AV ASSY A227 23429049 CABINET STAND A401 23532671 COVER BACK COVER A402 23532673 COVER BC STAN...

Page 52: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 52 ...

Page 53: ...Z23 RZ56 CZ21 CZ74 RZ57 CZ53 CZ76 CZ81 CZ43 CZ42 CZ51 R511 CC20 R514 CC23 LZ03 LV44 DS11 C4409 LZ36 RB13 RB08 LV08 RZ67 RF23 Q4464 RS29 QZ17 R4430 CV08 RZ51 C4312 CF37 CZ31 RZ02 CV64 QZ20 RS70 RZ62 CZ39 RS64 RZ63 Q4311 CZ24 RB07 CZ93 L4301 CZ32 QB04 RZ10 QZ14 GR280 QS15 QZ22 QF17 QB06 RZ58 CF36 QZ01 RZ15 CB05 RZ60 CV80 C4311 C4408 CZ83 RZ66 RS21 RS55 LZ01 RF27 CV86 DZ03 LZ02 RB05 LV45 LR20 QF15 CZ...

Page 54: ...GR516 R519 LZ04 GRZ07 RZ75 CZ06 RZ22 CZ25 CZ21 GRZ36 LZ03 LV44 C4409 LV09 LV08 GRV41 GRZ98 CZ41 GRZ29 CV08 CZ52 RZ51 RZ33 Q4306 CV64 GRV96 R4408 GRZ31 GRS06 CZ90 CZ28 GRZ03 CZ24 GRZ27 RZ54 RF25 QV11 CZ73 L4301 RZ53 QZ05 GRZ02 R4331 R4504 CZ04 Q4304 CZ05 C503 RS76 RS51 LZ11 CV80 RS49 CF39 RS20 R516 QZ16 LZ01 CV86 CZ91 R4329 LZ02 R4333 LV45 R4322 GRZ24 RS77 LR20 R4316 R4476 Q4305 RZ61 X4010 QZ24 R44...

Page 55: ...8 C605 RC11 CC11 GR605 GR604 CV121 RC12 D653 D652 RV225 RS27 RV221 CC12 RV222 CC80 RV227 CC73 RV122 RV226 RC08 RV121 RC07 CV128 LC15 RV129 RV228 RS28 CC72 FRONT AV BOARD PD1767A2 U001B TOP COMPONENT SIDE FRONT AV BOARD PD1767A2 U001B BOTTOM FOIL SIDE 23547615 DS 7405 11 10 2 1 GND R_MOUT M_V OUT L_M OUT L_AUDIO OUT GND GND GND WOOFER OUT R_AUDIO OUT GND LC12 LC13 R229 RS32 LC11 RS31 CC74 CC71 GC05...

Page 56: ...KB01 RB15 CB01 RB01 RB11 RB02 RB10 RB12 QB01 RB15 LED RMT BOARD PD1767A6 U001F TOP COMPONENT SIDE LED RMT BOARD PD1767A6 U001F BOTTOM FOIL SIDE 23590006A 7 PD1767 1 11 11 9 7 5 3 PJ60A PJ62 PJ65 PJ64A PJ61A PJ63 1 1 2 3 4 5 1 2 3 4 5 1 2 3 6 4 5 1 2 3 4 5 6 PJ61A 23547615 DS 7405 3 11 9 7 5 1 4 2 1 3 5 1 2 3 4 5 1 2 3 4 1 2 3 4 5 6 5 6 PJ60A PJ62 PJ65 PJ64A PJ63 D REWRITE BOARD PD1767A7 U001G TOP ...

Page 57: ...ONENT SIDE 23590006A 5 MAIN GND GND 1 MICON 2 KEY A 3 KEY B 4 NC PD1767 POS UP POS DOWN VOLUME UP 5 1 DOWN VOLUME MENU VIDEO 5 PB13B SA01 RA73 RA72 SA02 SA03 RA71 SA04 SA06 RA75 SA07 23547615 DS 7405 5 MAIN GND 4 NC 3 KEY B 2 KEY A 1 MICON GND POS UP POS DOWN VIDEO MENU 4 3 2 1 VOLUME UP VOLUME DOWN PB13B SA01 RA73 RA72 SA02 SA03 RA71 SA04 SA06 RA75 SA07 KEY SW BOARD PD1767A5 U001E TOP COMPONENT S...

Page 58: ... 63 64 SCALER BOARD PD1769 1 U003 TOP COMPONENT SIDE ...

Page 59: ...SCALER BOARD PD1769 1 U003 BOTTOM FOIL SIDE 65 66 ...

Page 60: ... DAT A Cb or B Y or G Cr or R Q610 TA2024 A OUT Q630 LA4525 H001 TADF 003A H002 MPSN11B 11 QS102 TIF MA QS103 UPD64084GC QD05 NJM2150V 3DYCS QV01 W OUT CXA2069Q TV EXT 1 AV SW TDA9181T TA1274AF COMB EXT 2 VCD EXT 3 OUT1 EXT 3 QS51 BA7603F SCART OUT2 RGB SW EXT 4 SCART TA1318AF FREQ DET H V EXT 5 H V SCART M OUT OUT3 A OUT QS15 Y FRONT AV EXT 6 SCART RGB MM1519XQ FRONT SCART RGB HP SW YCbCr or RGB ...

Page 61: ...ontrols at normal line voltage at 220 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 SCHEMATIC DIAGRAM 69 MODEL 26WL46B 26WL46G SCHEMATIC DIAGRAM STRUCTURE SIGNAL Circuit CONNECTOR SHEET 1 12 1 49 AV SHEET 2 12 2 49 Y PB PR_SW SHEET 3 12 3 49 MICOM TEXT SHEET 4 12 4 49 V C SHEET 5 12 5 49 SIGNAL f...

Page 62: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 70 ...

Page 63: ...B PR CR Phono jacks A V EXT2 Input Component video Y PB CB PR CR Phono jacks A V EXT3 Input Output 21 pin Scart A V S video Selectable output Input Mini DIN 4 pin S video Input Phono jacks A V EXT4 Input Output 21 pin Scart RGB A V TV signal EXT5 Input Output 21 pin Scart RGB A V TV signal EXT6 Input Mini DIN 4 pin S video Phono jacks A V RGB PC Input Mini D sub 15 pin Analog RGB signal Audio Inpu...

Page 64: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

Page 65: ...ontrols at normal line voltage at 220 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 SCHEMATIC DIAGRAM 69 MODEL 26WL46B 26WL46G SCHEMATIC DIAGRAM STRUCTURE SIGNAL Circuit CONNECTOR SHEET 1 12 1 49 AV SHEET 2 12 2 49 Y PB PR_SW SHEET 3 12 3 49 MICOM TEXT SHEET 4 12 4 49 V C SHEET 5 12 5 49 SIGNAL f...

Page 66: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 70 ...

Page 67: ...T A Cb or B Y or G Cr or R Q610 TA2024 A OUT Q630 LA4525 H001 TADF 003A H002 MPSN11B 11 QS102 TIF MA QS103 UPD64084GC QD05 NJM2150V 3DYCS QV01 W OUT CXA2069Q TV EXT 1 AV SW TDA9181T TA1274AF COMB EXT 2 VCD EXT 3 OUT1 EXT 3 QS51 BA7603F SCART OUT2 RGB SW EXT 4 SCART TA1318AF FREQ DET H V EXT 5 H V SCART M OUT OUT3 A OUT QS15 Y FRONT AV EXT 6 SCART RGB MM1519XQ FRONT SCART RGB HP SW YCbCr or RGB PC ...

Page 68: ... 1 49 26WL46B 26WL46G SIGNAL CONNECTOR SHEET 1 12 ...

Page 69: ... 4 4 4 0 0 0 4 4 4 4 4 0 4 4 4 0 0 0 4 5 4 0 4 5 4 5 0 4 2 4 5 4 0 4 5 0 4 6 4 7 4 6 4 3 4 3 0 4 3 4 5 4 5 4 5 4 5 5 0 6 5 0 12 6 5 0 0 6 5 3 5 5 8 0 5 8 3 5 6 5 0 0 1 0 0 0 0 5 0 5 0 5 0 5 0 2 0 5 0 0 7 0 0 7 0 7 5 0 2 0 2 0 0 2 0 5 0 5 0 2 0 0 2 0 3 2Vp p 26WL46B 26WL46G SIGNAL AV SHEET 2 12 ...

Page 70: ... 3 49 FRONT AV More than 32 AV 1 26WL46B 26WL46G SIGNAL Y PB PR_SW SHEET 3 12 ...

Page 71: ...0 0 0 0 5 0 5 0 0 3 5 0 2 4 5 0 2 5 0 5 0 4 9 5 0 4 9 4 4 4 3 0 5 0 0 5 0 4 6 5 0 5 0 0 2 1 2 3 3 5 5 0 5 0 0 4 3 5 0 5 0 4 7 5 0 5 0 5 0 4Vp p 5Vp p 5 8Vp p 5Vp p 5Vp p 5Vp p 26WL46B 26WL46G SIGNAL MICOM TEXT SHEET 4 12 ...

Page 72: ...0 1 7 0 0 1 3 8 0 7 3 4 1 7 2 2 3 8 1 9 3 8 1 7 1 8 1 8 1 7 2 3 1 4 2 4 2 4 0 0 1 2 3 1 9 0 2 2 2 4 9 2 4 0 0 4 2 4 5 0 4 4 4 3 1 0 3 9 5 0 0 2 4 2 4 2 4 5 0 0 2 4 2 4 2 4 1 4Vp p 1 8Vp p 1 8Vp p 26WL46B 26WL46G SIGNAL V C SHEET 5 12 ...

Page 73: ... 6 49 For Lightning 26WL46B 26WL46G SIGNAL SIGNAL from AV SHEET 6 12 ...

Page 74: ... 7 49 9 0 4 9 4 9 4 9 9 0 9 0 9 0 5 2 5 2 5 2 0 0 0 26WL46B 26WL46G SIGNAL PC AUDIO SWITCHING SHEET 7 12 ...

Page 75: ... 8 49 4 5 0 4 9 9 0 0 9 0 26WL46B 26WL46G SIGNAL AUDIO MUTE SHEET 8 12 ...

Page 76: ... 9 49 26WL46B 26WL46G SIGNAL MON OUTPUT SHEET 9 12 ...

Page 77: ... 0 0 0 0 0 0 0 0 5 0 4 3 4 4 5 0 0 2 9 0 4 4 0 4 4 0 4 7 9 0 4 4 0 4 4 0 4 7 9 0 2 3Vp p 2 5Vp p 2 5Vp p DV25 DV24 CV247 10V 1u CV246 10V 1u DV23 CV245 10V 1u DV244 DV249 DV250 DV254 UDZS TE 17 10B DV23 DV25 DV245 DV247 UDZS TE 17 10B 26WL46B 26WL46G SIGNAL COLOUR DIFFERENCE SWITCHING SHEET 10 12 ...

Page 78: ... 11 49 0 4 4 3 0 0 6 5 0 5 2 0 9 0 0 5 2 0 5 0 5 0 4 8 0 3 4 2 0 2 5 0 4 4 4 3 0 0 0 4 5 4 6 0 5 0 0 4 1 3 0 5 0 5 0 4Vp p 5Vp p 26WL46B 26WL46G SIGNAL SYNC_SW SHEET 11 12 ...

Page 79: ...12 49 2 5 0 0 3 3 3 4 0 0 0 0 0 0 2 5 2 5 0 7 0 0 0 0 3 3 2 5 3 5 0 2 2 2 5 1 1 1 5 1 3 1 1 0 0 0 9 0 7 0 8 1 3 1 1 2 5 2 5 0 2 5 3 6 0 2 5 1 3 0 0 1 4 0 0 0 0 0 26WL46B 26WL46G SIGNAL 3D YCS SHEET 12 12 ...

Page 80: ... 13 49 26WL46B 26WL46G TN AOUT CONNECTOR SHEET 1 7 ...

Page 81: ...6 0 5 8 6 0 12 0 4 6 5 0 4 4 5 0 4 3 32 2 6 0 0 0 2 6 2 1 4 6 4 8 5 0 4 3 4 4 2 1 2 4 5 0 4 9 0 2 1 4 4 4 8 5 0 3 8 3 8 0 0 0 9 0 4 5 4 5 0 0 4 5 1 2Vp p Material GND Low Impedance Part GND For TUNER Peripheral and Material 26WL46B 26WL46G TN AOUT TIF MA SHEET 2 7 ...

Page 82: ... 15 49 0 5 4 5 7 5 7 5 4 5 7 5 7 12 0 5 7 5 7 5 7 5 6 5 7 5 7 12 AUDIO GAIN CORRECTION MA MODULE TERMINAL 19 pin GND 26WL46B 26WL46G TN AOUT AUDIO GAIN CORRECTION SHEET 3 7 ...

Page 83: ...5 12 12 6 5 12 6 5 12 6 5 0 0 0 The surface patterns under Q610 should be GND and make many more through holes between surface GNDs as much as possible Corresponded to shielding should be enclosed with GND AUDIO OUTPUT R L Screw chassis GND 26WL46B 26WL46G TN AOUT A OUT SHEET 4 7 ...

Page 84: ... 17 49 0 1 4 1 4 3 9 8 2 3 7 0 26WL46B 26WL46G TN AOUT HP AMP SHEET 5 7 ...

Page 85: ... 18 49 For Lightning 26WL46B 26WL46G TN AOUT PC_INPUT SHEET 6 7 ...

Page 86: ... 19 49 26WL46B 26WL46G TN AOUT TEMP SENSOR SHEET 7 7 ...

Page 87: ... 20 49 Ext 3 Combine with Scart Ext 2 All parts should be laid close by terminals HEADPHONE SIGNAL More than 32 26WL46B 26WL46G FRONT AV ...

Page 88: ... 21 49 26WL46B 26WL46G AV 2 ...

Page 89: ... 22 49 26WL46B 26WL46G OVERALL CONNECTION ...

Page 90: ... 23 49 26WL46B 26WL46G KEY SW ...

Page 91: ... 24 49 26WL46B 26WL46G LED RMT ...

Page 92: ... 25 49 26WL46B 26WL46G POWER SW ...

Page 93: ... 26 49 26WL46B 26WL46G DATA_REWRITE ...

Page 94: ... 27 49 26WL46B 26WL46G SCALER DIGITAL INPUT SHEET 1 23 ...

Page 95: ... 28 49 26WL46B 26WL46G SCALER CAPTURE INPUT SHEET 2 23 ...

Page 96: ... 29 49 26WL46B 26WL46G SCALER MEMORY CONNECTION SHEET 3 23 ...

Page 97: ... 30 49 26WL46B 26WL46G SCALER PLL SHEET 4 23 ...

Page 98: ... 31 49 26WL46B 26WL46G SCALER IIC SHEET 5 23 ...

Page 99: ... 32 49 26WL46B 26WL46G SCALER POWER SHEET 6 23 ...

Page 100: ... 33 49 26WL46B 26WL46G SCALER SUB MICOM 1 SHEET 7 23 ...

Page 101: ... 34 49 26WL46B 26WL46G SCALER SUB MICOM 2 SHEET 8 23 ...

Page 102: ... 35 49 26WL46B 26WL46G SCALER SUB MICOM 3 SHEET 9 23 ...

Page 103: ... 36 49 26WL46B 26WL46G SCALER LVDS OUT SHEET 10 23 ...

Page 104: ... 37 49 26WL46B 26WL46G SCALER POWER CONNECTOR AND DIMMING SHEET 11 23 ...

Page 105: ... 38 49 26WL46B 26WL46G SCALER LVDS POWER AND OTHERS SHEET 12 23 ...

Page 106: ... 39 49 26WL46B 26WL46G SCALER LVDS OUT SHARP LCD SHEET 13 23 ...

Page 107: ... 40 49 26WL46B 26WL46G SCALER CONNECTOR SHEET 14 23 ...

Page 108: ... 41 49 26WL46B 26WL46G SCALER 3CHADC2_LPF SHEET 15 23 ...

Page 109: ... 42 49 26WL46B 26WL46G SCALER 3CHADC1 SHEET 16 23 ...

Page 110: ... 43 49 26WL46B 26WL46G SCALER DC DC CONVERTER SHEET 17 23 ...

Page 111: ... 44 49 26WL46B 26WL46G SCALER M2 1 SHEET 18 23 ...

Page 112: ... 45 49 26WL46B 26WL46G SCALER M2 2 SHEET 19 23 ...

Page 113: ... 46 49 26WL46B 26WL46G SCALER M2 3 SHEET 20 23 ...

Page 114: ... 47 49 26WL46B 26WL46G SCALER M2 4 SHEET 21 23 ...

Page 115: ... 48 49 26WL46B 26WL46G SCALER M2 5 SHEET 22 23 ...

Page 116: ... 49 49 26WL46B 26WL46G SCALER M2 6 SHEET 23 23 ...

Search results

Summary of Contents for 26WL46B

Reviews:

Related manuals for 26WL46B

Brands by name

Popular brands

Toshiba 26WL46B, Service Manual

Search results

Summary of Contents for 26WL46B

Reviews:

Related manuals for 26WL46B

Brands by name

Popular brands