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TITLE 

Service Manual 

LCD TV For 237-T11 

Doc No. 

SM_237-T11_19Nov07 

Version 

1.2 

Page 

15/72 

 

Company Confidential-DRAFT 

 

 

Summary of Contents for 237T

Page 1: ...37 T11 Model Number 237T Model Name 237 T11 FM Number FM1 FM1 FM1 FM1 037000EGS25 037000EGS25 037000EGS25 037000EGS25 Model Number 237T Model Name 237 T11 FM Number FM1 FM1 FM1 FM1 037000EGS36 037000E...

Page 2: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 2 72 Company Confidential DRAFT Hans Chung 2007 11 19 Jill kao 2007 11 19...

Page 3: ...SM_237 T11_19Nov07 Version 1 2 Page 3 72 Company Confidential DRAFT Document change update record Update date Version Page Update record 2007 07 03 V1 1 Updated Parts list LPL WX1 SL01 LPLWX1 SLA1 20...

Page 4: ...3 4 6 The Other Abnormal Display 14 5 Disassembly 15 5 1 Stand 15 5 2 Back Cover 15 5 3 System Board 16 5 4 Power Module for LPL WX1 17 5 5 Power Module for LPL WX4 18 5 6 Panel Module 19 5 7 Speakers...

Page 5: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 5 72 Company Confidential DRAFT...

Page 6: ...damage If a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 6 Use only replacement parts specified by the manufacturer or replacement parts with the...

Page 7: ...SC Hybrid Terrestrial Video Module Input level 107dB V Range NTSC 55 to 804 MHz 2 69 channels for Off Air and 2 125 channels for CATV ATSC NTSC Hybrid Terrestrial Video Module Input level 107dB V Rang...

Page 8: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 8 72 Company Confidential DRAFT...

Page 9: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 9 72 Company Confidential DRAFT 3 Diagram 3 1 Wiring Diagram...

Page 10: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 10 72 Company Confidential DRAFT 3 2 System Block Diagram Video...

Page 11: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 11 72 Company Confidential DRAFT 3 3 System Block Diagram Audio...

Page 12: ...Replace System board if voltage is missing Step1 1 Check for a loose video cable connection 2 Check video cable 3 Check source settings 4 Check TV input 1 Reconnect cable 2 Replace cable 3 Change sou...

Page 13: ...il Fail OK OK Test Finish Trouble Condition Check Item Replace Material Test Step3 Check System Board CN1 pin1 to ground 5Vs and pin3 to ground 5V Check D4 D64 lighting Step2 Check Keypad board CN1 pi...

Page 14: ...doesn t work Replace Cable Secure connection Fail Test Finish Step1 Check connector CN 10 on System board to CN1 located on Keypad board for a loose connection Step2 Check connector CN 10 on System b...

Page 15: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 15 72 Company Confidential DRAFT...

Page 16: ...lution the TV supports 3 Check both ends of VGA cable for broken or loose pins Step2 Check component J4 on system board for a short component U26 that stores EDID information for a short Step2 1 Check...

Page 17: ...OK 1 Secure earphone connection 2 Replace Earphone cable Replace System board OK Fail Fail No audio through earphone Test Trouble Condition Check Item Replace Material Test Step2 Check OSD speaker se...

Page 18: ...re Fail Replace System board Fail OK Update firmware setting process Fail Other display problems Test Finish Trouble Condition Check Item Replace Material Test Step1 Check firmware settings Check conn...

Page 19: ...19 72 Company Confidential DRAFT 5 Disassembly 5 1 Stand 5 2 Back Cover 1 Loosen and remove 8 screws 2 Safely remove the Stand 1 Loosen and remove 17 screws 2 Safely remove the Back Cover Screw T4 45...

Page 20: ...1 Doc No SM_237 T11_19Nov07 Version 1 2 Page 20 72 Company Confidential DRAFT 5 3 System Board 1 Loosen and remove 24 screws 2 Take off the WALLMOUNT Module Screw MT4x8 PH Cross Black Screw M4x8 PH CE...

Page 21: ...anual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 21 72 Company Confidential DRAFT 3 Loosen and remove 5 screws and safely remove connectors as indicated by red circles 4 Take off th...

Page 22: ...oc No SM_237 T11_19Nov07 Version 1 2 Page 22 72 Company Confidential DRAFT 5 4 Power Module for LPL WX1 1 Loosen and remove 6 screws and safely remove connectors indicated by red circles 2 Safely remo...

Page 23: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 23 72 Company Confidential DRAFT...

Page 24: ...oc No SM_237 T11_19Nov07 Version 1 2 Page 24 72 Company Confidential DRAFT 5 5 Power Module for LPL WX4 1 Loosen and remove 6 screws and safely remove connectors indicated by red circles 2 Safely remo...

Page 25: ...T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 25 72 Company Confidential DRAFT 5 6 Panel Module 1 Loosen and remove 18 screws 2 Take off the 37C_Support Metal Assy_MDA3 Screw MT4x8 PH Cross Black Scr...

Page 26: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 26 72 Company Confidential DRAFT 3 Safely remove the LVDS wire indicated by red circles 4 Remove the Panel Module...

Page 27: ...11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 27 72 Company Confidential DRAFT 5 7 Speakers 1 Loosen and remove 4 screws 2 Gently remove the speaker connectors that are indicated by a red circle 3 Saf...

Page 28: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 28 72 Company Confidential DRAFT...

Page 29: ...8 Keypad Board 6 Factory Menu To show the Factory Menu with multiple pages press these buttons at the same time Source VOL CHN The FACTORY MENU appears on screen 1 Loosen and remove 7 screws and safe...

Page 30: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 30 72 Company Confidential DRAFT...

Page 31: ...or Microsoft Windows XP operating systems Important Notes 1 Make sure that you are logged in to the computer as the Administrator or as a user with installation rights 2 Make sure that no other progra...

Page 32: ...rade port located in the back of the unit USB Cable Note You are require to install the USB driver to assure proper communication between the computer and television This executable file is in the MTK...

Page 33: ...T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 33 72 Company Confidential DRAFT 5 Once you finish installing the USB driver open the Interface Tool to begin downloading the firmware Mtk_DL_V1 4 A_200...

Page 34: ...any Confidential DRAFT 7 Press Step 1 to begin downloading the Firmware Note Will take roughly 15 seconds to begin loading firmware at which TV will turn off 8 When step 1 is complete a message will p...

Page 35: ...Version 1 2 Page 35 72 Company Confidential DRAFT 9 Connect Power Cable and continue to power on the television Press the OK button after the television turns on 10 Press Step 2 to continue firmware l...

Page 36: ...2 Page 36 72 Company Confidential DRAFT 11 When step 2 is complete a message will prompt you to disconnect and connect the power cord Press OK after you plug in the power cord 12 Press the OK button...

Page 37: ...idential DRAFT 13 Turn TV ON and check that firmware was successfully loaded Press Menu to activate the On Screen Display Scroll UP DOWN to SET UP and press Enter Scroll UP Down to Firmware Version an...

Page 38: ...er port and USB A B Line connect to PC HDMI line to TV first MinDim RS 232 to TV 5 and then press Button Refer Step 6 then open a save file path in widow operate Barcode scanner scan S N stick No 6 Fi...

Page 39: ...ark which is circle by red in Photo 3 and then click the icon ADC also in Photo 3 blue circle 5 The window will show up with the instruction about component and then connecting component instead of VG...

Page 40: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 40 72 Company Confidential DRAFT...

Page 41: ...geful wire with the pattern generator and set up the TV source under VGA And please locate the CA 210 on center of TV screen 5 Click BL button and the window with Gamma adjustment message would show u...

Page 42: ...TITLE Service Manual LCD TV For 237 T11 Doc No SM_237 T11_19Nov07 Version 1 2 Page 42 72 Company Confidential DRAFT 9 Exploded view...

Page 43: ...H CROSS BLACK MS0 WA34008G000 16 SCREW T3 8 Black MS0 WA33008G000 17 SCREW MT3 6 PH CROSS Black MS0 A133006G000 18 SCREW T4 10 Ni MS0 WA14010G000 19 TV barcode label ML0 0000016G000 20 S N lebel 15 44...

Page 44: ...0455G000 46 BARCODE W90mm 60mm ML0 0000195G000 47 Barcode ribbon transfer paper ML0 0000017G000 48 237 T11 Carton w weee logo MX0 3000326G000 49 AC Power Cord ECB 0318AW8G000 50 LT23HVT remote control...

Page 45: ...Parts name LG 37 LCD panel w AI Parts NO ELP 37WX1SLG000 Item NO 3 Parts name P0519 MDA3 System PCBA Parts NO SC0 P519201GMI4 Item NO 4 Parts name MDA3 Keypad PCBA Parts NO SC0 P517701GMI0 Item NO 5...

Page 46: ...NO EEC FCFAA51G000 Item NO 8 Parts name 32_37C_KEYPAD_BUTTON Parts NO MP0 0000497G000 Item NO 9 Parts name Graphic Label for MDA3 Parts NO ML0 0000263G000 Item NO 10 Parts name 37C_Support Metal Assy...

Page 47: ...s NO MS0 WA34012G000 Item NO 14 Parts name SCREW NI MT4 8 Parts NO MS0 FA14008G000 Item NO 15 Parts name SCREW MT4 8 PH CROSS BLACK Parts NO MS0 WA34008G000 Item NO 16 Parts name SCREW T3 8 Black Part...

Page 48: ...el Parts NO ML0 0000016G000 Item NO 20 Parts name S N lebel 15 44mm Parts NO ML0 0000015G000 Item NO 21 Parts name RIBBON Parts NO MX0 0000000G000 Item NO 22 Parts name Heatproof tape Parts NO MP2 000...

Page 49: ...00446G000 Item NO 26 Parts name 37C_Speaker_Module_R Magnet buckle Parts NO SX0 0000441G000 Item NO 27 Parts name 37C_Speaker_Module_Left Magnet buckle Parts NO SX0 0000442G000 Item NO 28 Parts name P...

Page 50: ...O MS0 BA34025G000 Item NO 32 Parts name 37C_STAND_COVER_2nd Parts NO MP0 0000535G001 Item NO 33 Parts name 32 FOOT PAD Parts NO MM0 0000034G000 Item NO 34 Parts name Condnctive shielding foam VGA foam...

Page 51: ...Parts NO EEC EM22033G000 Item NO 38 Parts name Magnet buckle B15 UH 13x23x7 Parts NO EEC PLB15UHG000 Item NO 39 Parts name 337 claspless cushion bottom Parts NO MP2 1000043G000 Item NO 40 Parts name...

Page 52: ...0000079G000 Item NO 44 Parts name 37C3_B_PROTECTION PAPER Parts NO MX0 0000100G000 Item NO 45 Parts name RFID tag for Target models Parts NO ML0 0000455G000 Item NO 46 Parts name BARCODE W90mm 60mm Pa...

Page 53: ...ECB 0318AW8G000 Item NO 50 Parts name LT23HVT remote control Parts NO EEC RC0CG37G000 Item NO 51 Parts name Olevia_HookUp_8_ En Fr Parts NO MK0 UM00124G000 Item NO 52 Parts name Battery Parts NO EEC...

Page 54: ...ny Confidential DRAFT Item NO 55 Parts name QSG En Fr_MTK_237_Target 1 Parts NO MK0 QS00097G000 Item NO 56 Parts name OSD Tree Guide Parts NO MK0 QS00092G000 Item NO 57 Parts name TFHD Series Warranty...

Page 55: ...ACK MS0 WA34008G000 16 SCREW T3 8 Black MS0 WA33008G000 17 SCREW MT3 6 PH CROSS Black MS0 A133006G000 18 SCREW T4 10 Ni MS0 WA14010G000 19 TV barcode label ML0 0000016G000 20 S N label 15 44mm ML0 000...

Page 56: ...0455G000 46 BARCODE W90mm 60mm ML0 0000195G000 47 Barcode ribbon transfer paper ML0 0000017G000 48 237 T11 Carton w weee logo MX0 3000326G000 49 AC Power Cord ECB 0318AW8G000 50 LT23HVT remote control...

Page 57: ...s name LPL 37 WXGA LC370WX1 SLA1 Parts NO ELP 371SLA1G000 Item NO 3 Parts name P0519 MDA3 System PCBA Parts NO SC0 P519201GMI4 Item NO 4 Parts name MDA3 Keypad PCBA Parts NO SC0 P517701GMI0 Item NO 5...

Page 58: ...NO EEC FCFAA51G000 Item NO 8 Parts name 32_37C_KEYPAD_BUTTON Parts NO MP0 0000497G000 Item NO 9 Parts name Graphic Label for MDA3 Parts NO ML0 0000263G000 Item NO 10 Parts name 37C_Support Metal Assy...

Page 59: ...s NO MS0 WA34012G000 Item NO 14 Parts name SCREW NI MT4 8 Parts NO MS0 FA14008G000 Item NO 15 Parts name SCREW MT4 8 PH CROSS BLACK Parts NO MS0 WA34008G000 Item NO 16 Parts name SCREW T3 8 Black Part...

Page 60: ...el Parts NO ML0 0000016G000 Item NO 20 Parts name S N lebel 15 44mm Parts NO ML0 0000015G000 Item NO 21 Parts name RIBBON Parts NO MX0 0000000G000 Item NO 22 Parts name Heatproof tape Parts NO MP2 000...

Page 61: ...00446G000 Item NO 26 Parts name 37C_Speaker_Module_R Magnet buckle Parts NO SX0 0000441G000 Item NO 27 Parts name 37C_Speaker_Module_Left Magnet buckle Parts NO SX0 0000442G000 Item NO 28 Parts name P...

Page 62: ...O MS0 BA34025G000 Item NO 32 Parts name 37C_STAND_COVER_2nd Parts NO MP0 0000535G001 Item NO 33 Parts name 32 FOOT PAD Parts NO MM0 0000034G000 Item NO 34 Parts name Condnctive shielding foam VGA Port...

Page 63: ...Parts NO EEC EM22033G000 Item NO 38 Parts name Magnet buckle B15 UH 13x23x7 Parts NO EEC PLB15UHG000 Item NO 39 Parts name 337 claspless cushion bottom Parts NO MP2 1000043G000 Item NO 40 Parts name...

Page 64: ...0000079G000 Item NO 44 Parts name 37C3_B_PROTECTION PAPER Parts NO MX0 0000100G000 Item NO 45 Parts name RFID tag for Target models Parts NO ML0 0000455G000 Item NO 46 Parts name BARCODE W90mm 60mm Pa...

Page 65: ...ECB 0318AW8G000 Item NO 50 Parts name LT23HVT remote control Parts NO EEC RC0CG37G000 Item NO 51 Parts name Olevia_HookUp_8_ En Fr Parts NO MK0 UM00124G000 Item NO 52 Parts name Battery Parts NO EEC...

Page 66: ...ny Confidential DRAFT Item NO 55 Parts name QSG En Fr_MTK_237_Target 1 Parts NO MK0 QS00097G000 Item NO 56 Parts name OSD Tree Guide Parts NO MK0 QS00092G000 Item NO 57 Parts name TFHD Series Warranty...

Page 67: ...ACK MS0 WA34008G000 16 SCREW T3 8 Black MS0 WA33008G000 17 SCREW MT3 6 PH CROSS Black MS0 A133006G000 18 SCREW T4 10 Ni MS0 WA14010G000 19 TV barcode label ML0 0000016G000 20 S N label 15 44mm ML0 000...

Page 68: ...0455G000 46 BARCODE W90mm 60mm ML0 0000195G000 47 Barcode ribbon transfer paper ML0 0000017G000 48 237 T11 Carton w weee logo MX0 3000326G000 49 AC Power Cord ECB 0318AW8G000 50 LT23HVT remote control...

Page 69: ...arts name LPL 37 WXGA LC370WX4 SLA1 Parts NO ELP 37WX4SLGLP0 Item NO 3 Parts name P0519 MDA3 System PCBA Parts NO SC0 P519201GMI4 Item NO 4 Parts name MDA3 Keypad PCBA Parts NO SC0 P517701GMI0 Item NO...

Page 70: ...NO EEC FCFAA51G000 Item NO 8 Parts name 32_37C_KEYPAD_BUTTON Parts NO MP0 0000497G000 Item NO 9 Parts name Graphic Label for MDA3 Parts NO ML0 0000263G000 Item NO 10 Parts name 37C_Support Metal Assy...

Page 71: ...s NO MS0 WA34012G000 Item NO 14 Parts name SCREW NI MT4 8 Parts NO MS0 FA14008G000 Item NO 15 Parts name SCREW MT4 8 PH CROSS BLACK Parts NO MS0 WA34008G000 Item NO 16 Parts name SCREW T3 8 Black Part...

Page 72: ...el Parts NO ML0 0000016G000 Item NO 20 Parts name S N lebel 15 44mm Parts NO ML0 0000015G000 Item NO 21 Parts name RIBBON Parts NO MX0 0000000G000 Item NO 22 Parts name Heatproof tape Parts NO MP2 000...

Page 73: ...00446G000 Item NO 26 Parts name 37C_Speaker_Module_R Magnet buckle Parts NO SX0 0000441G000 Item NO 27 Parts name 37C_Speaker_Module_Left Magnet buckle Parts NO SX0 0000442G000 Item NO 28 Parts name P...

Page 74: ...O MS0 BA34025G000 Item NO 32 Parts name 37C_STAND_COVER_2nd Parts NO MP0 0000535G001 Item NO 33 Parts name 32 FOOT PAD Parts NO MM0 0000034G000 Item NO 34 Parts name Condnctive shielding foam VGA Port...

Page 75: ...Parts NO EEC EM22033G000 Item NO 38 Parts name Magnet buckle B15 UH 13x23x7 Parts NO EEC PLB15UHG000 Item NO 39 Parts name 337 claspless cushion bottom Parts NO MP2 1000043G000 Item NO 40 Parts name...

Page 76: ...0000079G000 Item NO 44 Parts name 37C3_B_PROTECTION PAPER Parts NO MX0 0000100G000 Item NO 45 Parts name RFID tag for Target models Parts NO ML0 0000455G000 Item NO 46 Parts name BARCODE W90mm 60mm Pa...

Page 77: ...ECB 0318AW8G000 Item NO 50 Parts name LT23HVT remote control Parts NO EEC RC0CG37G000 Item NO 51 Parts name Olevia_HookUp_8_ En Fr Parts NO MK0 UM00124G000 Item NO 52 Parts name Battery Parts NO EEC...

Page 78: ...ny Confidential DRAFT Item NO 55 Parts name QSG En Fr_MTK_237_Target 1 Parts NO MK0 QS00097G000 Item NO 56 Parts name OSD Tree Guide Parts NO MK0 QS00092G000 Item NO 57 Parts name TFHD Series Warranty...

Page 79: ...ears Select one of the menus as shown below and on the following pages Picture Setup Audio or Screen Picture Brightness Contrast Color temp 6500 Native Color Tint Sharpness Noise Reduction Low Medium...

Page 80: ...sion 1 2 Page 80 72 Company Confidential DRAFT Audio Treble Bass Balance Language English Francais Espanol MTS Multi channel Mono SAP Stereo Television Sound Mute On Off Speaker On Off iDIVA Off Rock...

Page 81: ...ect Full Screen Panoramic Zoom 1 Zoom 2 1 1 Mode Cropping On Off Off Minimum Medium Maximum View Full Screen PIP Split Screen PIP Position Low Right Low Left Upper Right Upper Left PIP Size Small Medi...

Page 82: ...Color Black White Green Blue Red Cyan Yellow Magenta Background Color Black White Green Blue Red Cyan Yellow Magenta Parental Control Enter Password Rating On Off MPAA Rating G PG PG 13 R NC 17 X Blo...

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