Toshiba 37WL48A Service Manual Download

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- 33 -

- 34 -

FRONT AV BOARD PD1899B2 (U001B)

BOTTOM (FOIL) SIDE

23547694

DS-7405

R_AMP

R_GND

L_AMP

L_GND

E3-V

E3-L

E3-R

R_SPK

R_GND

L_SPK

L_GND

10 11

DV121

DV122

RV122

PV25B

RV129

CV122

TUNER GND

R_E3

L_E3

GND

YV_E3

GND

S-SW_E3

C_E3

GND

R692

C606

R689

R688

P601A

CC11

R687

P661

CY650

CC12

GR605

D653

RC11

D652

DV120

C605

RV121

RC12

GR604

R691

P602

CV121

R690

DET_HP

TUNER GND

PV61

PV60

DV121

122

V129

CV122

R692

C606

R689

R688

CC11

R687

CY650

CC12

GR605

D653

RC11

D652

DV120

C605

121

RC12

GR604

R691

CV121

R690

FRONT AV BOARD PD1899B2 (U001B)

TOP (COMPONENT) SIDE

L_GND

L_SPK

R_GND

L_GND

L_AMP

R_GND

R_AMP

R_SPK

-2

PD1899

23590088

P601A

P661

LC32

LC31

PV60

LC33

P602

PV61

PV25B

LC32

LC31

LC33

LED/RMT BOARD PD1899B3 (U001C)

BOTTOM (FOIL) SIDE

23547694

DS-7405

TIMER

POWER

RMT

GND

LED

3.3V

5V1

GND

DB02A

DB02

KB01

DB01A

RB10

QB01

DB01

RB01

RB02

RB11

KB02

RB15

PJ22B

RB12

RB10

QB01

RB01

RB02

RB11

RB15

RB12

LED/RMT BOARD PD1899B3 (U001C)

TOP (COMPONENT) SIDE

POWER

TIMER

PD1899

-3

23590088

DB02

KB01

DB01A

CB01

DB01

KB02

DB02A

PJ22B

CB01

DS-7405

23547694

P802A

S801

POWER SW BOARD PD1899B4 (U001D)

BOTTOM (FOIL) SIDE

Summary of Contents for 37WL48A

Page 1: ...SERVICE MANUAL LCD Color TV 37WL48A 37WL48E 37WL48R 37WL48T FILE NO 040 200502 Feb 2005 YC X TOSHIBA CORPORATION 2005 ...

Page 2: ...VICE MODE 7 DESIGN MODE 10 LOCATION OF CONTROLS 11 LAYOUT OF MAJOR BOARDS 14 MECHANICAL DISASSEMBLY 15 EXPLODED VIEW 17 PACKING DISASSEMBLY 19 CHASSIS AND CABINET REPLACEMENT PARTS LIST 21 PC BOARDS TOP BOTTOM VIEW 29 BLOCK DIAGRAM 43 SPECIFICATIONS END APPENDIX SCHEMATIC DIAGRAM ...

Page 3: ...f 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 UNPULUG 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 ind...

Page 4: ...fied 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 vo...

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: ...s 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 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 ...

Page 7: ... on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 CALL Channel button on TV s Reset the count of operating protect circuit to 00 CALL Channel button on TV t RCUT selection 1 button GCUT selection 2 button BCUT selection 3 button SCNT selection 4 button COLP selection 5 button TNTC selection 6 button Convergence adj YELLOW button Self diagnostic displa...

Page 8: ...fter replacing QA02 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 QA02 has been complated 3 Check the picture carefully If necessary adjust any adjustment item above Perform Auto tune on the owner s manual CAUTION Never attempt to initiali...

Page 9: ...8_ASIA and Version 1 00 indicates WL48_ASIA_100 Time Total hour of turn the TV on Unit H Power Operation number of protecting circuit 00 is normal When indication is other than 00 overcurrent apt to flow and circuit parts may possibly be damaged BusCont OK is normal When type name of semiconductor indicates 1 2 3 4 5 1 2 3 4 5 6 6 1 2 BLOCK 3 UV TV reception mode C1 V1 VIDEO 1 input mode C2 V2 VID...

Page 10: ...f item OPT3 2 SELECTING THE ADJUSTING ITEMS Every pressing of CHANNEL t button in the design mode changes the adjustment items in the order of table 3 s button for reverse order Version information of microprocessor Main tuner information Sub tuner information Selectable picture information Position information Signal information Screen size information Sound system information Scan mode informati...

Page 11: ...itch TV top view Top view MENU OK P Input source selection MENU Volume Menu Program position Menu You can swivel the TV screen Swivel angle 15 degrees to left and right Remote sensor Power ON indicator red TV front view On timer indicator green ...

Page 12: ...rminals AUDIO output terminals Fixed Variable AUDIO input Right side view TV back view Cable holder DVI AUDIO input Back view Left side view Card into the slot Left side view 2 VIDEO 2 input terminals Power cord Headphone Not supplied Press here to open the door Headphone jack 3 5 mm stereo HDMI input WOOFER output terminal 3 VIDEO 3 input terminals ...

Page 13: ...ram position Teletext 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 FAST FORWARD DVD MENU P P 2 1 3 5 4 6 8 7 9 VCR TV DVD 0 OK CALL MENU EXIT BRIDGE MEDIA Teletext control buttons Four colored buttons Red Green Yellow Blue When in TV Teletext mode To reveal ...

Page 14: ... LAYOUT OF MAJOR BOARDS U001A PB UNIT SIGNAL U001D PB UNIT POWER SW U002B PB UNIT KEY U002A PB UNIT LOWB U001C PB UNIT LED REM U800 POWER UNIT POWER BLOCK MODULE U001B PB UNIT FRONT AV U003A PB UNIT SCALER ...

Page 15: ... boards FRONT AV LED REM KEY and piece key ass y BITTP4 16 10 PP3 8 Black 5 PP5 16 Black 5 A450 A401 A420 A445 PP3 8 3 PP3 8 2 A340 MB01 A325 A320 P801 U001B U001C BITTP3 12 5 PP3 8 Black 2 PP3 8 3 PP3 8 2 PP3 8 PP3 8 BITTP3 8 3 PP3 8 PP3 8 4 PP3 8 2 PP3 8 Black BITTP3 12 2 U002B ...

Page 16: ... W661 W661 BITTP4 16 4 BITTP4 16 4 PP3 8 2 PP3 8 8 PP3 8 7 sheet insulator If a power sw board is touched there is fear of the electric shock accident Please be sure to do work after covering with sheet insulator BITTP 4 16 BITTP 4 16 BITTP 4 16 BITTP 4 16 BITTP4 16 PP3 8 12 PP3 8 2 PP3 8 2 PP3 8 2 PP3 8 2 PP3 8 2 PP3 8 5 PP3 8 2 PB4 5 4 B001 A201 A405 ...

Page 17: ...TP3 12 5 BITTP3 8 3 PP3 8 PP3 8 2 PP3 8 3 BITTP3 12 2 PP3 8 4 PP3 8 2 PP3 8 Black 5 PP3 8 Black 2 PP5 16 Black 5 PP3 8 Black PP3 8 3 PP3 8 2 PP3 8 PP3 8 4 40UNC JFS 4S L 13 A450 A730A A730E A730T A401 A340 A325 MB01 A320 A420 P801 A445 U001B U002B U001C ...

Page 18: ...6 BITTP 4 16 BITTP4 16 4 BITTP4 16 PP3 8 4 Spring OFDM PP3 8 7 PP3 8 2 PP3 8 8 PP3 8 12 PP3 8 2 PP3 8 2 PP3 8 2 PP3 8 2 PP3 8 2 PP3 8 5 PP3 8 2 PB4 5 4 PP3 8 7 U800 U001A U002A U001D S801A B001 W661 W661 A405 A201 U003A sheet insulator 2 Main Block ...

Page 19: ... 19 PACKING DISASSEMBLY Y109 A701B A702B A702B A702A A702A A705 A705 Y130 Y170 Y101M Y101K Y101J Y101H Y101A A701E A701A A701T A701R A709 ...

Page 20: ... 20 MEMO ...

Page 21: ...RAMIC CHIP 16V B 0 22UF K C653 24092538 CERAMIC CHIP 10V F 1UF Z C661 24109102 CERAMIC CHIP 50V B 1000PF K C662 24109102 CERAMIC CHIP 50V B 1000PF K C663 24619100 ELECTROLYTIC CHIP 16V 10UF M C665 24619142 ELECTROLYTIC CHIP 50V 3 3UF M C666 24619142 ELECTROLYTIC CHIP 50V 3 3UF M C671 24619143 ELECTROLYTIC CHIP 50V 4 7UF M C674 24619143 ELECTROLYTIC CHIP 50V 4 7UF M C677 24109681 CERAMIC CHIP 50V B...

Page 22: ... B 1UF K CS09 24092731 CERAMIC CHIP 16V B 1UF K CS10 24092731 CERAMIC CHIP 16V B 1UF K CS11 24092731 CERAMIC CHIP 16V B 1UF K CS12 24109473 CERAMIC CHIP 50V B 0 047UF K CS15 24092731 CERAMIC CHIP 16V B 1UF K CS16 24092731 CERAMIC CHIP 16V B 1UF K CS17 24092726 CERAMIC CHIP 16V B 2 2UF K CS18 24092726 CERAMIC CHIP 16V B 2 2UF K CS26 24619100 ELECTROLYTIC CHIP 16V 10UF M CS39 24092573 CERAMIC CHIP 1...

Page 23: ...839 24011102 CHIP 1 20W 1K OHM J R845 24367222 CARBON FILM 1 6W 2 2K OHM G R848 24366822 CARBON FILM 1 6W 8 2K OHM J R853 24367122 CARBON FILM 1 6W 1 2K OHM G R870 24000164 METAL FILM 1 4W 39 OHM F R871 24000356 METAL FILM 1 4W 820 OHM F R872 24011102 CHIP 1 20W 1K OHM J R896 24011473 CHIP 1 20W 47K OHM J R897 24011222 CHIP 1 20W 2 2K OHM J R898 24011222 CHIP 1 20W 2 2K OHM J R4100 24011101 CHIP 1...

Page 24: ...20W 100K OHM J RS11 24011223 CHIP 1 20W 22K OHM J RS12 24011104 CHIP 1 20W 100K OHM J RS13 24011104 CHIP 1 20W 100K OHM J RS14 24011103 CHIP 1 20W 10K OHM J RS15 24011102 CHIP 1 20W 1K OHM J RS16 24011473 CHIP 1 20W 47K OHM J RS17 24011473 CHIP 1 20W 47K OHM J RS18 24011103 CHIP 1 20W 10K OHM J RS19 24011104 CHIP 1 20W 100K OHM J RS20 24011104 CHIP 1 20W 100K OHM J RS23 24011223 CHIP 1 20W 22K OHM...

Page 25: ... 20W 10 OHM J RV243 24011100 CHIP 1 20W 10 OHM J RV244 24872750 CHIP 1 16W 75 OHM J RV245 24872750 CHIP 1 16W 75 OHM J RV246 24872750 CHIP 1 16W 75 OHM J COIL TRANSFORMERS L101 23248296 COIL CHOKE TLN3278GH L102 23103828 INDUCTOR BEAD TEM2121M L103 23103828 INDUCTOR BEAD TEM2121M L191 23103828 INDUCTOR BEAD TEM2121M L280 23289840 COIL PEAKING TRF4100AT L833 23248236 COIL CHOKE TLN3441AF L835 23248...

Page 26: ...DIODE ZENER FMB G14L D844 23118859 DIODE 1SS133 D846 23316782 DIODE ZENER MTZJ6 2C D870 23316637 DIODE ZENER FMB G14L D872 23316664 DIODE ZENER MTZJ4 3 C D873 23118859 DIODE 1SS133 D896 23115532 DIODE ERB12 01 D897 23118859 DIODE 1SS133 D898 23118859 DIODE 1SS133 D6001 23316231 DIODE 1SS355 DB01 23358564 DIODE LED SLR 56VC3FPQ DB02 23358563 DIODE LED SLR 56MC3FPQR DB40 23316231 DIODE 1SS355 DE40 2...

Page 27: ... G JST EH B11B EH F1A PP02 23974994 BAND KESSOKU PP08 23974994 BAND KESSOKU PP12 23974994 BAND KESSOKU PS01 23023273 JACK PIN 2P JALCO YKC21 4707N PV01 23023004 JACK 2S0P JLC PV02 23023268 JACK PIN 6 6P JALCO YKC21 4671N PV03 23023269 JACK PIN 5 6P JALCO YKC21 4674N PV04 23023269 JACK PIN 5 6P JALCO YKC21 4674N PV05 23023270 JACK PIN 6 6P JALCO YKC21 4670N PV25A 23367072 PLUG NP 2 5MM G JST EH B12...

Page 28: ...REW PP3X8 SW WSBN A411 23717267 SCREW BITTB4X16SBN A420 23436861 FOOT STANDS1304E451 A440 23738074 SCREW PP5X16SW WSBNPP5X16SW WSBN A445 23533113 COVER BCSTANDCOVER A450 23533114 COVER BCTERMINALCOVER A730A 23512379 LABEL MODEL NAME 37WL48A A730E 23512378 LABEL MODEL NAME 37WL48E A730T 23512380 LABEL MODEL NAME 37WL48T ...

Page 29: ...CC63 RS91 R4114 RV40 C4107 CV22 DV28 RV243 RV02 R4108 CV31 RS405 Q4101 CV40 CC66 CV27 CV23 RB44 RS57 CS12 RS45 R617 RS83 RV212 RS23 RS530 RS40 CS45 RB46 RS33 CV17 RV236 GRV13 P517B CV21 RB33 RC06 GR280 RS60 RS529 RC13 CS15 RC37 GRV14 DS13 DV06 PV02 RS27 RB49 CB40 RB34 RS89 RS35 RC38 GC01 RV17 RS36 RS29 DS14 RB42 RS97 RS28 RV235 D619 QB43 QS08 RV23 CS84 RV240 QS108 CV07 CB43 GC06 RS84 RV211 CB41 CS...

Page 30: ...RV32 LV18 LV10 RV30 GRV16 RV45 RV102 CV36 DV08 CV01 LV21 CV35 CS89 GRV17 GRV18 GRS05 CS26 GJ410 DV36 GRV45 GRV54 CS91 RV35 CV32 CV30 DV34 LV17 LV14 GRV55 GRV50 C4103 RV103 RS403 GRV43 LV11 GRV19 GRV49 CV34 RV47 CS93 GRV44 LV19 QS12 LV13 RV39 R4116 GRV20 CV53 GRV42 GRV53 LV15 LV16 DV30 GRS04 GRV21 CV33 GRV29 GRV48 RV29 CV91 CV03 Q4104 RV48 R4111 DV38 R4110 X4100 RV36 QV01 DV35 R4112 LV20 DV39 CV05 ...

Page 31: ... C605 RV121 RC12 GR604 R691 CV121 R690 FRONT AV BOARD PD1899B2 U001B TOP COMPONENT SIDE 1 2 3 4 1 2 3 4 5 L_GND L_SPK R_GND L_GND L_AMP R_GND R_AMP NC R_SPK 12 10 11 2 PD1899 23590088 4 1 2 3 5 6 7 8 9 P601A P661 LC32 LC31 PV60 LC33 P602 PV61 PV25B LC32 LC31 LC33 LED RMT BOARD PD1899B3 U001C BOTTOM FOIL SIDE 23547694 DS 7405 TIMER POWER 9 RMT GND GND LED 3 3V NC 5V1 GND 4 1 8 7 6 5 3 2 DB02A DB02 ...

Page 32: ...V 2 GND GND CE41 RE41 CE44 QE40A GE42 CE40 QE40 Q822 D833 P819 L839 Q825 D896 R848 P818 R845 R838 Q829 D832 C899 D898 R896 D897 R898 R897 Q823 R871 C8351 L871 Q829A G872 C871 Q835A D870 R870 C872 C844 R853 L836 Q870A C841 D870A C870 Q835 Q824 C874 Q870 C876 DE40 CE42 P807A P809A PJ85B PJ84B PJ12B RE40 LE41 LE40 CE46 DE40A RE42 C835 DE42 C839 CE45 D810 LE43 DE43 C837 C838 D820 C823 R839 D846 R835 G...

Page 33: ...SCALER BOARD PD1901J1 U003A BOTTOM FOIL SIDE 37 38 ...

Page 34: ...SCALER BOARD PD1901J1 U003A TOP COMPONENT SIDE 39 40 ...

Page 35: ... 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless otherwis...

Page 36: ...SHEET 8 26 59 SUB MICON 1 3 SHEET 9 27 59 2 3 SHEET 10 28 59 3 3 SHEET 11 29 59 LVDS OUT SHEET 12 30 59 POWER CONNECTOR AND DIMMING SHEET 13 31 59 LVDS POWER AND OTHERS SHEET 14 32 59 LVDS OUT LG LCD SHEET 15 33 59 3chADC2_LPF SHEET 17 34 59 3chADC1 SHEET 18 35 59 DC DC CONVERTER SHEET 19 36 59 M2 1 7 SHEET 20 37 59 2 7 SHEET 21 38 59 3 7 SHEET 22 39 59 4 7 SHEET 23 40 59 5 7 SHEET 24 41 59 6 7 SH...

Page 37: ...160 VIDEO OUT Y C SD RAM M2 MICOM FLASH SDA6001 5V 2 5V 3 3V 3 3V 5V OSD 5V TUNER CXA2189Q UPD64084 VPC3230D TC90A94TB V QV01 Y LPF SCL SDA LPF V 3DYCS C LPF NTSC PAL SECAM SCART RGB LCD SCL SDA SCL SDA LPF Y V 480i 576i LPF C EXT 1 V Y C 480i 576i LPFX3 YCbCr SCALER LVDS H V V SW SM5301ASG EXT 2 FB 2 BLK V Y Y Y C SW 480p 576p C C 1080i 720p 1 Y Y V Y LPF Y Cb C C Cb Cb AD EXT 3 FRONT Cr Cr Cr V ...

Page 38: ...gnal formats are converted to match the number of pixels of the LCD panel Color system PAL SECAM NTSC 3 58 4 43 Aspect ratio 16 9 Visible size diagonal 94 0 cm Number of pixels 1366 H dots 768 V dots Audio power 10 W 10 W 10 THD Speakers 60 120 mm 2pcs Input Output terminals 1 Input 4 pin S video Phono jacks A V 2 Input 4 pin S video Phono jacks A V 3 Input 4 pin S video Phono jacks A V C1 Input C...

Page 39: ......

Page 40: ... 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless otherwis...

Page 41: ...EET 8 26 59 SUB MICON 1 3 SHEET 9 27 59 2 3 SHEET 10 28 59 3 3 SHEET 11 29 59 LVDS OUT SHEET 12 30 59 POWER CONNECTOR AND DIMMING SHEET 13 31 59 LVDS POWER AND OTHERS SHEET 14 32 59 LVDS OUT LG LCD SHEET 15 33 59 3chADC2_LPF SHEET 17 34 59 3chADC1 SHEET 18 35 59 DC DC CONVERTER SHEET 19 36 59 M2 1 7 SHEET 20 37 59 2 7 SHEET 21 38 59 3 7 SHEET 22 39 59 4 7 SHEET 23 40 59 5 7 SHEET 24 41 59 6 7 SHEE...

Page 42: ...0 VIDEO OUT Y C SD RAM M2 MICOM FLASH SDA6001 5V 2 5V 3 3V 3 3V 5V OSD 5V TUNER CXA2189Q UPD64084 VPC3230D TC90A94TB V QV01 Y LPF SCL SDA LPF V 3DYCS C LPF NTSC PAL SECAM SCART RGB LCD SCL SDA SCL SDA LPF Y V 480i 576i LPF C EXT 1 V Y C 480i 576i LPFX3 YCbCr SCALER LVDS H V V SW SM5301ASG EXT 2 FB 2 BLK V Y Y Y C SW 480p 576p C C 1080i 720p 1 Y Y V Y LPF Y Cb C C Cb Cb AD EXT 3 FRONT Cr Cr Cr V Y ...

Page 43: ...4 3 11 10 12 15 16 26V 26V 26V 26V SOUND GND SOUND GND SOUND GND SOUND GND GND ACDETECT 5V 1 GND 32V GND 12V GND 5V 2 5V 2 GND 9V 9V GND GND 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND 11 12 10 9 5 12VLCD 6 GND 12VLCD 2 12VLCV 1 12VLCD 4 12VLCD 3 GND 8 7 GND SIGNAL SIGNAL SCALER ANT MJ22 LED RMT KEY MJ50 M803 SIGNAL Wireless Module 26 32WL48B G 3 3VA GND 3 3VA GND 13 7 6 8 5 4 ...

Page 44: ...515B 16V470 16V470 1 10W75 1 10W75 4P_2 5mm_1 5A_Beige 12P_2 5mm_1 5A_Beige 29FMN BTK A PLUD B B 23P 11P_2 5mm_1 5A_Beige 16V470 16V470 KETSU SHORT KETSU SHORT 1P 1P C_BM_GND C_BM Y_BM_GND Y_BM DET_HP SP_MUTE SCART_MUTE VARI FIX TX_BM RX_BM GND SCL1 SDA1 GND AFT1 RESET_MSP GND GND 26V GND 32V 12V 5V2 L_BM R_BM GND GND 9V RX_BM TX_BM L_HDMI R_HDMI GND GND S_SW_E3 SC_E3_GND SC_E3 SY_E3 R_E3 GND L_E3...

Page 45: ...1 5k 1k 2SC3437Y L 100 1k 2SC3437Y L 100 1k 1 5k 10 SHORT SHORT SHORT SHORT 1 8W270 25V0 1 25V0 1 ACM32251022 ACM32251022 ACM32251022 MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M MA8056 M 25V0 1 MA8056 M MA8056 M MA8056 M 25V0 1 MA8056 M 25V0 1 B16V1 0u 100 25V0 1 SHORT SHORT 100 KETSU 10 10 10 B16V1 0u 100 OPEN SHORT KETSU 25V0 1 KETSU 1k 2SC3437Y L 2S...

Page 46: ... C6045 CD20 C6070 R6045 R6044 R6083 C6034 C6075 C6030 R6021 R6023 C6026 C6025 R6026 R6025 R6028 C6029 C6028 R6029 C6033 D6001 C6032 Q6009 R6071 Q6008 C6016 C6023 R6020 C6020 C6021 L6005 330 330 KETSU KETSU KETSU KETSU KETSU SHORT SHORT TEM2121M MSP3410G QI B8 V3 25V0 1 25V0 1 100K KETSU KETSU TEM2118M KETSU KETSU KETSU TEM2118M KETSU KETSU 4 7k KETSU SHORT 4 7k SHORT 18 432 KETSU KETSU NJM2150V 10...

Page 47: ...3 CHIP JP KRD 8622 EARPHONE J D3 5 KETSU KETSU KETSU KETSU KETSU SHORT SHORT SHORT SHORT B1000p SHORT 820 820 SHORT 1 8W75 SHORT B1000p 1 8W75 1 8W75 KETSU CHIP JP RM73B1JR00OD CHIP JP SHORT TEM2121M 1000 1000 TEM2121M TEM2121M 1000 1000 SHORT 1000 CHIP JP TEM2121M TEM2121M 1P Y C Socket SW KETSU KETSU KETSU KETSU KETSU CHIP JP CHIP JP CHIP JP CHIP JP B1000p 22k 680 680 B1000p 22k 680 680 B1000p 2...

Page 48: ...7 BA4558F E2 MA8068 H BA4558F E2 100p 47K B16V1 0u B16V1 0u 47K KETSU 100p 82K 6 8K B16V2 2u_K 22K 39K 4 7K 39K 4 7K B16V2 2u_K 100p OPEN 2 7K B16V1u_K OPEN KETSU KETSU KETSU GND W_OUT W_APRO L_APRO R_APRO GND 12V L_VARI R_VARI GND L_VARI R_VARI GND W_OUT R_APRO GND L_APRO W_APRO 12V GND 11 A1 11 A1 8 F1 3 C7 3 C7 3 C7 8 A1 0 6 9 7 0 7 0 6 9 7 0 7 0 11 8 11 8 0 6 9 7 0 7 0 37WL48A E R T SIGNAL SHE...

Page 49: ...516A R168 R113 GR05 GR08 RM73B1HR00OD 5p 5p B25V0 01 B25V0 01 KETSU ENG39A07GF KETSU KETSU KETSU B25V0 01 18k 0 1uF TEM2121M KETSU 100 RM73B1HR00OD RM73B1HR00OD 220u 16V470 TEM2121M TEM2121M 100p 6 8k KETSU RM73B1HR00OD 16V470 KETSU RM73B1HR00OD KETSU KETSU KETSU KETSU KETSU KETSU KETSU 100 100 KETSU RM73B1HR00OD KETSU 2SC4081 Q B1000p KETSU KETSU RM73B1HR00OD KETSU KETSU 50V 4 7 27k KETSU KETSU K...

Page 50: ... 47K 16V10u 10K 1SS355 1SS355 22K 22K B1000p RN2404 100K 4 7K 2SC4081 Q 2SA1162Y 1SS355 100K 1SS355 100K 1SS355 1K 100K 10K 10V1u 1SS355 B1000p 2SC4081 Q 1SS355 SCART_MUTE 5V1 ACDETECT 5V1 9V A_MUTE DET_HP SPK_OFF MUTE_AUDIO SP_MUTE MUTE_SPK W_MUTE ACDETECT 5V1 9V A_MUTE DET_HP WOOFER_SW MUTE_AUDIO SP_MUTE W_MUTE SCART_MUTE 5V1 SPK_OFF MUTE_SPK 1 A6 7 A2 8 B1 8 E1 1 C7 1 B2 11 B1 1 B2 8 F1 1 B2 7 ...

Page 51: ... 100 2SC3326B 47K 100K 2SC4081 Q 10 B16V2 2u_K MA8068 H 3 3K 100K 100K B16V1u B16V2 2u_K CD4053BNSR B16V2 2u_K 100K 100K 100 B16V2 2u_K 100 100 100K 100K 4 7k 2SC4081 Q 100 100 2SC4081 Q 4 7k 2SC3326B 47K 100K 47K 2SC3326B 100K 1k B16V1 0u B16V1 0u 1k 22k 16V4 7u B16V1 0u B16V1 0u 100 22K 2SC2712Y KETSU KETSU 8 2K 8 2K 10V1u 100 100 100 16V47u OPEN OPEN 100 KETSU KETSU KETSU KETSU KETSU KETSU KETS...

Page 52: ...F23 CF35 CF39 1k 680 150 270 680 1 5k 330 1k 680 RM73B1H471JD 2SA1576A 10 RM73B1HR00OD KETSU RM73B1HR00OD OPEN OPEN 16V10u B6 3V10u_K B6 3V10u_K MM1501XNRE 25V0 1 RN1404 10nF CHIP JP 2SC4081 2SC4116 Y OPEN 2SC4081 2SC4116 Y OPEN 27k 2SA1576A 2SA1586 Y 10V1u 2 2k COLTRF4101CG 10nF 1k 100 68k 16V10u 2SA1576A 2SA1586Y OPEN 68p OPEN 470 COLTRF4101CG 470 68k 27k 2 2k 2SA1576A 2SA1586Y 68p OPEN 2SA1576A...

Page 53: ...39 RV44 25V0 1 16V470 10k COLTRF4100CG COLTRF4100CG 16V47 47K 47K 0 1uF 1SS355 2SC4081 Q 22k KETSU MM1505XN 16V100 1M 47K B2200 3 9k 10V1 2SA1576A F0 1 3 9k 2SA1576A KETSU 2SC4081 Q B3300 2 2k 330 12k SHORT 1 10W75 CH22 CH560 100 16V100 KETSU V3_QV01 5V2A 9VA GND TV_SYNC M_VOUT 9VA GND V_TV V_TV1 GND GND GND 2 A8 1 A5 10 B1 2 E5 4 B6 10 A2 6 D8 2 B1 4 7 0 0 4 7 9 2 37WL48A E R T SIGNAL SHEET 10 11...

Page 54: ... R672 C632 C690 Q671 R680 C677 R673 D674 C652 TA8246AHQ 50V47 50V4 7u 50V4 7u 50V3 3u 50V3 3u 5P_2 5mm_1 5A_Beige 35V1000 35V1000 35V1000 0 1 1 8K 1SS355 4 7K 1k KETSU 1 8W2 2 KETSU 1 8W2 2 0 1 SHORT 47K OPEN 1SS355 KETSU 2SC3326B B680p MA8330 M B0 22u 47K 1SS355 KETSU 4 7K B16V1u B0 01 2SC3326B OPEN B680p 1 8K 1SS355 B0 22u L_VARI R_VARI AUDIO R AUDIO L MUTE_SPK 26V GND GND MUTE_AUDIO GND GND 26V...

Page 55: ...61 LC32 LC33 LC31 P661 D652 D653 P602 P601A R687 R689 R691 R692 R688 R690 C606 C605 RV121 CV121 RV122 GR604 CC11 RC11 GR605 CC12 RC12 RV129 MA8056 M KETSU 12P_2 5mm_1 5A_Beige 100p KETSU B25V0 01 JACK 3P S VHS 1P JACK TEM2142AD TEM2142AD TEM2142AD EARPHONE J D3 5 KETSU KETSU 4P_2 5mm_1 5A_Beige 5P_2 5mm_1 5A_Beige 1 8W1K 1 8W1K 1 8W1K 1 8W1K 1 8W1K 1 8W1K B1000p B1000p 1 10W75 0 01 1 10W75 KETSU B...

Page 56: ...VOL UP POS DN POS UP VOL DN 6 NC KEY GND MAIN GND NC KEY 2 KEY 1 5 4 3 2 1 PJ50B RA74 RA73 RA72 RA71 RA75 SA07 SA01 SA02 SA03 SA04 SA06 PLUG 6P 10k 10k 22k 68k 22k PUSH SW 1C1P DC12V 005A 37WL48A E R T KEY LED KEY SHEET 1 2 ...

Page 57: ... GND 2 4 to SCALER ROUT 5 4 3 2 1 Vcc GND GND Vcc Vout 5 4 3 2 1 CB01 RB12 KB01 RB15 RB02 KB02 QB01 RB11 RB10 RB01 PJ22B DB02 DB01 DB02A DB01A 16V47u 470 KETSU 47 470 GPIUE281RK 2SC4116 Y 10k 6 8k 270 PLUG 9P SLR_56MC3FPQR SLR_56VC3FPQ 0 3 3 0 3 3 3 3 0 0 0 0 3 3 37WL48A E R T KEY LED LED RMT SHEET 2 2 ...

Page 58: ... 20V 2 GND 4 GND 6 GND 8 11 12V 12V 12 NC 13 10 GND 12V 9 7 32V 5 GND 3 20V 1 20V 13 GND 8 5 5V 2 7 5V 2 6 GND 12 9 11 10 16 18 17 15 19 14 3 1 2 9V GND GND 9V 4 TO POWER 26V 26V 26V 26V SOUND GND SOUND GND SOUND GND SOUND GND ACDETECT GND 5V 1 PROTECT POWER_SIG POWER_LCD POWER_TV 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 TO POWER PJ85B PJ84B PJ12B PJ81A P816A P807A P809A OPEN OPEN OPEN SOCKET B B 23P S...

Page 59: ...72 L839 C874 C839 C835 Q835 CE42 C8353 R853 G831 C844 C838 C834 C871 C837 R870 C876 C875 D872 D873 C8351 D846 L833 D810 D844 R835 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN 47k 16V1000 TLN3533AH TLN3441AF TLN3503GH OPEN OPEN OPEN OPEN 16V47 16V47 2KG 100G OPEN RK44 RU4YX OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN SI 3033CA M0 47 OPEN SHORT TLN3462AF 18G 1k 1k 1 6P8 2k RN1403 RN1...

Page 60: ... 18 59 ACL2 ACL1 1 2 FROM POWER P802A S801 Lock 2P_11 88mm_L ESB92SNAE 37WL48A E R T POWER SW ...

Page 61: ... 19 59 37WL48A E R T SCALER SCALER DIGITAL INPUT ...

Page 62: ... 20 59 37WL48A E R T SCALER SCALER CAPUTURE INPUT ...

Page 63: ... 21 59 37WL48A E R T SCALER MEMORY CONNECTION ...

Page 64: ... 22 59 37WL48A E R T SCALER SCALER PLL ...

Page 65: ... 23 59 37WL48A E R T SCALER OSD ...

Page 66: ... 24 59 37WL48A E R T SCALER IIC ...

Page 67: ... 25 59 37WL48A E R T SCALER PLD OSD SYNC GENERATOR ...

Page 68: ... 26 59 37WL48A E R T SCALER POWER ...

Page 69: ... 27 59 37WL48A E R T SCALER SUB MICON 1 3 ...

Page 70: ... 28 59 37WL48A E R T SCALER SUB MICON 2 3 ...

Page 71: ... 29 59 37WL48A E R T SCALER SUB MICON 3 3 ...

Page 72: ... 30 59 Phase Phase 37WL48A E R T SCALER LVDS OUT ...

Page 73: ... 31 59 37WL48A E R T SCALER POWER CONNECTOR AND DIMMING ...

Page 74: ... 32 59 37WL48A E R T SCALER LVDS POWER AND OTHERS ...

Page 75: ... 33 59 Nomal display Uper and lower reversal Right and left reversal 180 rotation 37WL48A E R T SCALER LVDS OUT LG LCD ...

Page 76: ... 34 59 2 7 SH017 1 2 7 2 7 2 7 2 7 4 1 0 0 0 5 0 5 0 0 0 2 0 2 0 0 0 0 0 0 0 0 5 0 5 0 1 5 SH017 2 SH017 1 SH017 2 37WL48A E R T SCALER 3chADC2_LPF ...

Page 77: ... 35 59 37WL48A E R T SCALER 3chADC1 ...

Page 78: ... 36 59 37WL48A E R T SCALER DC DC CONVERTER ...

Page 79: ... 37 59 37WL48A E R T SCALER M2 1 7 ...

Page 80: ... 38 59 37WL48A E R T SCALER M2 2 7 ...

Page 81: ... 39 59 37WL48A E R T SCALER M2 3 7 ...

Page 82: ... 40 59 37WL48A E R T SCALER M2 4 7 ...

Page 83: ... 41 59 37WL48A E R T SCALER M2 5 7 ...

Page 84: ... 42 59 37WL48A E R T SCALER M2 6 7 ...

Page 85: ... 43 59 37WL48A E R T SCALER M2 7 7 ...

Page 86: ... 44 59 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 37WL48A E R T SCALER SYNC_SW ...

Page 87: ... 45 59 37WL48A E R T SCALER CONNECTOR ...

Page 88: ... 46 59 37WL48A E R T SCALER POWER_CONNECTOR ...

Page 89: ... 47 59 37WL48A E R T SCALER TV MICON CONNECTOR 1 ...

Page 90: ... 48 59 37WL48A E R T SCALER SERVICE CONNECTOR BEP ...

Page 91: ... 49 59 37WL48A E R T SCALER HDMI IF ...

Page 92: ... 50 59 37WL48A E R T SCALER CONNECTOR LVDS OUT POWER ...

Page 93: ...9 1 2 1 4 1 2 2 2 1 4 1 2 0 9 1 1 1 1 0 8 0 8 1 2 1 1 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 0 0 0 0 0 0 0 2 5 2 5 2 5 2 5 3 3 2 6 2 6 0 0 0 0 0 0 0 SH701 1 SH701 3 SH701 2 SH701 1 SH701 2 SH701 3 37WL48A E R T SCALER 3DYCS 1 9 ...

Page 94: ... 52 59 3 3 3 3 3 3 2 5 0 3 3 2 5 0 37WL48A E R T SCALER 3DYCS REG ...

Page 95: ... 53 59 37WL48A E R T SCALER 3DYCS 3 9 ...

Page 96: ... 54 59 37WL48A E R T SCALER 3DYCS 4 9 ...

Page 97: ... 55 59 37WL48A E R T SCALER 3DYCS 5 9 ...

Page 98: ... 56 59 37WL48A E R T SCALER 3DYCS 6 9 ...

Page 99: ... 57 59 37WL48A E R T SCALER 3DYCS 7 9 ...

Page 100: ...0 6 1 3 1 7 1 6 2 4 1 0 1 0 1 0 1 0 1 0 1 0 1 0 3 4 2 4 1 7 0 5 3 3 2 6 0 3 4 0 0 0 0 0 0 0 0 0 0 0 3 4 3 3 1 1 1 1 1 1 1 4 1 6 1 4 0 0 0 0 0 3 3 3 3 3 3 3 3 3 3 5 0 5 0 5 0 2 4 SH708 2 SH708 4 SH708 3 SH708 1 SH708 2 SH708 3 SH708 4 37WL48A E R T SCALER 3DYCS 8 9 ...

Page 101: ... 59 59 37WL48A E R T SCALER 3DYCS 9 9 ...

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