akira LCT-37EL0SST Service Manual Download

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Model No.: LCT-37ELOSST.doc
Version: 1.0

CONTENTS

SAFETY PRECAUTION...................................................................................................................... 4

SPECIFICATION ..................................................................................................................................... 6

CHASSIS OVERVIEW............................................................................................................................ 8

KEY COMPONENT .............................................................................................................................. 11

SERVICE MODE ADJUSTMENT .................................................................................................. 12

FIRMWARE UPDATE........................................................................................................................ 14

BLOCK DIAGRAM .............................................................................................................................. 17

CIRCUIT DIAGRAM ............................................................................................................................ 21

OSD MANUAL STRUCTURE. ............................................................................................................ 30

BILL OF MATERIAL ............................................................................................................................ 40

EXPLODED VIEW................................................................................................................................ 51

PART LIST ............................................................................................................................................. 52

WALL MOUNT INSTALLATION GUIDE ........................................................................................... 53

Summary of Contents for LCT-37EL0SST

Page 1: ...LCD TV Service Manual ...

Page 2: ... 2 Model No LCT 37ELOSST doc Version 1 0 MODEL LCT 37EL0SST ...

Page 3: ...TY PRECAUTION 4 SPECIFICATION 6 CHASSIS OVERVIEW 8 KEY COMPONENT 11 SERVICE MODE ADJUSTMENT 12 FIRMWARE UPDATE 14 BLOCK DIAGRAM 17 CIRCUIT DIAGRAM 21 OSD MANUAL STRUCTURE 30 BILL OF MATERIAL 40 EXPLODED VIEW 51 PART LIST 52 WALL MOUNT INSTALLATION GUIDE 53 ...

Page 4: ... 4 Model No LCT 37ELOSST doc Version 1 0 IMPORTANT SAFETY PRECAUTION ...

Page 5: ... 5 Model No LCT 37ELOSST doc Version 1 0 ...

Page 6: ...PC Analog RGB 15 pin D Sub Input S video input SCART input Video input RCA 2 Component input PC Analog RGB input Video HDMI Component S Video input SCART input Audio input RCA 2 Audio output RCA PC Audio input Audio COAXIAL OPTICAL output In Out Euro A V SCART Half Antenna 75Ω Coaxial cable Analog Color System PAL SECAM Sound System B G D K I L Stereo Type NICAM A2 RF Signal Text TELETEXT Power Co...

Page 7: ...r Yes Size 111 5 W 8 33 5 D 69 H cm 43 89 W 13 18 D 27 16 H inch Body Weight 28 5Kg 62 7 pounds gross Size 72 W 32 5 D 28 5 H cm 28 34 W 12 79 D 11 22 H inch Stand Weight 5 9Kg 12 98pounds gross 108 6 W 30 4 D 64 H cm Speaker stand include Dimension 42 74 W 11 96 D 25 19 H inch Specification are subject to changes without prior notice ...

Page 8: ...te SOG sync support H Frequency Range 20 82 kHz V Frequency Range 55 75 kHz Maximum resolution 1600 x 1200 60Hz Maximum pixel rate 165 MHz Digital PC DE Mode DTV mode support 720p 1080i CVBS S Video NTSC M PAL BGHI NTSC 4 43 SECAM PAL 60 Component 1080i 720p 480i 576i 480p 576p Supported Signals TV All PAL SECAM System TV Ant in 75 ohms coaxial cable SCART SCART in 75 ohms 0 7 1 0 Vp p CVBS AV1 AV...

Page 9: ...stem Tuning Range 48 25MHz 863 25MHz No of Programs 100 Channels Sound System BG DK I L L TV MTS Support Mono Stereo Nicam Bi Lingual Color 8 Bit color 256 color palette from 565 16 bit color OSD Type Graphic text Unicode string format later All language support OSD Language Support later Supports Arabic reversed string order Contrast Brightness Sharpness Color Tint Color Temperature Picture Stand...

Page 10: ...on Adjustment PC Function Up to 32 analog pc mode memorize PIP On Off PIP Source Select PIP Size PIP Function PIP Position PIP Swap PIP Sound Select TTX 252 Pages Sleep Time Select Current On Off Time Adjustment Timer On Time Channel Volume User Default Reset OSD Language Select Miscellaneous Blue Screen Back Light Power Panel Dependent Standby Power DC 5V 1 5A Board Panel Power DC 12V or 5V depen...

Page 11: ...ALER ADC DVI HDCP LVDS MStar VCT49XYI AV IF TTX Micronas TA2024 Audio AMP Tripath HY5DU281622ET DDR Hynix MX29LV8000BTTC 70 Flash Mx IC62LV2568LL SRAM CSI TEA6422 Audio Mux ST WT61P4 Expand I O Weltrend TS5V330DBQR Component Mux Pericom DTT Option 74CBTLV3257 UART Input Mux DTT Option AK4386 DAC HDMI Option ...

Page 12: ...adjustment PC and DTV mode 2 Option Table Last Power On On Off Melody Volume 10 0 20 Logo Off On Off 3 Color Control Sub Brightness 128 0 255 Red Offset 128 0 255 Green Offset 128 0 255 Blue Offset 128 0 255 Sub Contrast 128 0 255 Red Gain 128 0 255 Green Gain 128 0 255 Blue Gain 128 0 255 4 Device Adjustment MST5151A MST5151A Memory MST5151A Option ADC VCT 5 Heat Run MST5151A Pattern Stop Power o...

Page 13: ...13 Model No LCT 37ELOSST doc Version 1 0 6 Version Version Saturn VCT PAL Release Firmware Version Panel used time Show panel used time TTX252PAGE 7 Reset Reset Initialize to factory mode ...

Page 14: ...of the program WareCubeDownload exe 2 Click on File Open to select Update File Click on Go and it will be in standby condition for firmware update 3 Turn the power of the TV on with the master switch to start the firmware update 4 When the firmware update is complete you will see a message saying Download is Completed When completed turn the power of the TV Off On with the master switch ...

Page 15: ...15 Model No LCT 37ELOSST doc Version 1 0 ...

Page 16: ...16 Model No LCT 37ELOSST doc Version 1 0 ...

Page 17: ...17 Model No LCT 37ELOSST doc Version 1 0 BLOCK DIAGRAM Main Board ...

Page 18: ...18 Model No LCT 37ELOSST doc Version 1 0 POWER BOARD ...

Page 19: ...19 Model No LCT 37ELOSST doc Version 1 0 PCB LAYOUT 1 JB LVDS Signal 2 CN18 To Power Board 3 CN14 Main Power 4 CN15 Sub Power 5 CN24 N C 6 CN17 Key Pad 7 CN9 Speaker 8 CN2 To PC 9 CN1 To Module ...

Page 20: ...terminal from a VCR or DVD Player AUDIO L R IN Connects with the Audio Left Right from a VCR or DVD Player 7 COMPONENT VIDEO IN Jack for connecting the DVD player or VCR player or Digital TV playback player video input connector for both DVD and DTV 8 OPTICAL OUT Digital Audio out 9 COMPONENT AUDIO IN Connects with the Audio Left Right from an S VHS VCR or DVD Player 10 SCART Half Connects PAL met...

Page 21: ...21 Model No LCT 37ELOSST doc Version 1 0 CIRCUIT DIAGRAM ...

Page 22: ...22 Model No LCT 37ELOSST doc Version 1 0 ...

Page 23: ...23 Model No LCT 37ELOSST doc Version 1 0 ...

Page 24: ...24 Model No LCT 37ELOSST doc Version 1 0 ...

Page 25: ...25 Model No LCT 37ELOSST doc Version 1 0 ...

Page 26: ...26 Model No LCT 37ELOSST doc Version 1 0 ...

Page 27: ...27 Model No LCT 37ELOSST doc Version 1 0 ...

Page 28: ...28 Model No LCT 37ELOSST doc Version 1 0 ...

Page 29: ...29 Model No LCT 37ELOSST doc Version 1 0 ...

Page 30: ...htness Adjust brightness of image 0 100 1 50 Contrast Dir_Contrast Adjust contrast of image 0 100 1 50 Color Dir_Color Adjust color saturation of image 0 100 1 50 Tint Dir_Tint Adjust tint angle of image 0 100 1 50 Sharpness Dir_Sharpness Adjust sharpness of image 0 100 5 50 Custom Phase Dir_Fine Adjust phase fine of image 0 100 100 32 50 Picture Video Color Tone Select color temperature Cool 2 Co...

Page 31: ...tness Dir_Brightness Adjust brightness of image 0 100 1 50 Contrast Dir_Contrast Adjust contrast of image 0 100 1 50 Custom Sharpness Dir_Sharpness Adjust sharpness of image 0 100 5 50 Color Tone Select color temperature Custom Cool2 Cool1 Normal Worm1 Worm2 Custom RED Dir_RED Adjust contrast of red color 0 100 1 50 GREEN Dir_GREEN Adjust contrast of green color 0 100 1 50 Picture PC Color Tone BL...

Page 32: ... position 0 100 V Position Adjust vertical position 0 100 PC Image lock Frequency Adjust sampling clock frequency 0 100 Mode Select sound standard Custom Standard Music Movie Speech 1 Custom Volume Adjust sound volume 0 100 1 20 Balance Adjust sound balance L50 R50 1 0 10kHz Adjust volume of 10kHz band 0 100 5 60 3kHz Adjust volume of 3kHz band 0 100 5 50 Sound Equalizer 1kHz Adjust volume of 1kHz...

Page 33: ...0kHz Adjust volume of 100kHz band 0 100 5 60 Auto Volume Auto volume level On Off Off On 1 On Sound Mode Select MTS according to sound format Mono Stereo Dual I Dual II Nicam Mono Nicam Stereo Nicam Dual I Nicam Dual II DTV Sound Select Select SPDIF Analog sound of DTV Digital Analog Analog ...

Page 34: ...country for TV tuning Austria Belgium Croatia Denmark Finland France Deutschland Iceland Ireland Italia Netherlands Norway Poland Spain Sverige Schweiz East Europe UK Others Auto Store Execute auto program searching Prog Select program channel 0 99 1 1 Auto ...

Page 35: ...Select cable broadcast channel C S Channel Real Channel Number Select channel number 0 Search Frequency Execute frequency up down searching Manual Store Store Store channel setting to current program Yes No Add Delete Add Erase selected channel Add Erase Sort Sort selected channel Name Edit name of selected channel Fine Tune DIR fine tune Adjust fine tune of current program 32 32 1 0 ...

Page 36: ... of on time 0 23 1 0 Minute Adjust minutes of on time 0 59 1 0 On Time Off On Enable Disable on time Off On 1 Off Hour Adjust hours of off time 0 23 1 0 Minute Adjust minutes of off time 0 59 1 0 Off Time Off On Enable Disable off time Off On 1 Off On Time Channel Select program when TV is on by on time 0 99 1 1 On Time Volume Adjust volume when TV is on by on time 0 100 1 20 Setup Time English ...

Page 37: ... Select language of OSD German French Spanish Italian 1 English Enable Disable On Off 1 On OSD Tone OSD background blending Select blue black screen for Blue On Off 1 Off Blanking screen Screen Off Setup OSD Language Enable Disable PIP 1 Off ...

Page 38: ...38 Model No LCT 37ELOSST doc Version 1 0 On Input Source Select PIP source TV Scart AV1 AV2 S Video Component PC HDMI PIP Input Source Size Adjust PIP screen size Large Double1 Double2 1 Large ...

Page 39: ...LOSST doc Version 1 0 Position Select PIP position 1 Large Position Swap Swap main screen for PIP screen Right Bottom Right Top Left Top Left Bottom 1 Right Buttom Sound Select main or PIP sound input source Main Sub Main ...

Page 40: ..._ST 1 SW01 13 2 CC05012 SAW FILTER PAL 1 U14 14 2 CCP10140 Separate paper 490X127 2th 0 6 15 2 CCP20140 Separate paper 410X127 2th 0 2 16 2 CCP50110 PAD 480X410 0 15 17 2 CCP30110 BOX 490X420X290 0 06 18 2 COP40120 BUBBLE BAG 1 19 2 COT20130 TU PAL IF_A 1 U13 20 2 CNJ02035 RCA 3X1 Ni RWY SCART 1 J2 21 2 ASS Y CODE LHP11 37LLAT M1002T 1 3 CCC10000 CC 1506 50V 10pJ 13 CC7 CC21 CC25 CC29 CC361 CC363 ...

Page 41: ...35 CC236 CC237 CC238 CC239 CC240 CC241 CC242 CC246 CC247 CC255 CC256 CC270 CC271 CC273 CC275 CC276 CC277 CC278 CC280 CC281 CC283 CC284 CC285 CC286 CC289 CC290 CC291 CC293 CC299 CC300 CC305 CC307 CC309 CC313 CC314 CC315 CC316 CC317 CC318 CC319 CC320 CC321 CC322 CC323 CC324 CC325 CC328 CC329 CC332 CC334 CC335 CC336 CC339 CC340 CC342 CC343 CC345 CC346 CC347 CC348 CC349 CC351 CC352 CC354 CC387 CC393 C...

Page 42: ...0 ED41 ED42 ED43 ED44 ED45 ED46 ED47 ED48 ED49 ED50 ED51 ED53 ED54 ED55 ED56 ED57 ED58 ED59 ED60 ED61 ED62 32 3 CDD30850 SW DIODE 300mA 85V 4 D4 D5 D6 D10 33 3 CDD30700 SW DIODE 70V 450mA 1 D33 34 3 CDD12940 ZENER 200mW 2 4V 1 D7 35 3 CDD20300 SCHDTTKY 1A 30V 4 SD1 SD2 SD3 SD4 36 3 CBD20600 FER BEAD 600Ω 2012 21 FB1 FB2 FB4 FB5 FB25 FB41 FB42 FB43 FB47 FB48 FB49 FB50 FB51 FB52 FB53 FB54 FB55 FB56 ...

Page 43: ... 2J 2 R356 R365 54 3 CRC22010 RC 1608 22 1 10J 13 R313 R314 R315 R316 R319 R320 R321 R322 R325 R326 R327 R328 R329 55 3 CRC33010 RC 1608 33 1 10J 6 R266 R271 R275 R278 R281 R284 56 3 CRC75010 RC 1608 75 1 10J 15 R56 R73 R212 R213 R214 R215 R216 R218 R219 R220 R222 R227 R277 R279 R283 57 3 CRC75020 RC 1608 75 1 10F 6 R41 R43 R49 R311 R312 R317 58 3 CRC10110 RC 1608 100 1 10J 41 R25 R42 R50 R111 R18...

Page 44: ... R360 R364 75 3 CRC27310 RC1608 27K 1 10J 2 R359 R363 76 3 CRC47310 RC1608 47K 1 10J 2 R404 R481 77 3 CRC10410 RC1608 100K 1 10J 1 R181 78 3 CRC22410 RC1608 220K 1 10J 12 R19 R22 R59 R60 R88 R92 R96 R98 R109 R112 R302 R303 79 3 CRC10510 RC 1608 1M 1 10J 4 R120 R130 R198 R373 80 3 CIR29510 REG 1A 2 5VISOT 223T 1 U21 81 3 CIR19810 REG 1A 1 8VITO 252T 2 U22 U33 82 3 CIR39310 REG 1A 3 3VISOT 223J 1 U3...

Page 45: ... ch 1 U26 100 3 CIC19010 CPU 8051 PLCC 44 1 U27 101 3 CIC17011 2 in Multipleaser 1 U28 102 3 CIC24010 V DETECT 500mA 2 5V 2 U38 U39 103 3 CNW30110 30P 1 25 SVD RA 1 J8 104 3 CNH06190 HDMI 19 SMT RA 1 J10 105 3 CNW15110 15P 1 25 SMD RA 1 CN17 106 3 CXT20130 X TAL 20 25M 13p 1 X1 107 3 CXT14150 X TAL 14 31818M 16p 1 X2 108 3 CXT24200 X TAL 24 000M 20p 1 X3 109 3 CPB50109 LEP MAIN H02 110 3 CRA18110 ...

Page 46: ...59 60 63 65 RD 25V 47uF 5 11m 4 KM 25V 47uF 5 11m 16 CAPELECT C7 RD 25V 100uF 6 3 11mm 1 KM 25V 100uF 6 3 11mm 17 CAPELECT C2 3 4 5 RD 35V 1000uF 12 5 20mm 4 KM 35V 1000uF 12 5 20mm 18 CAPELECT C49 51 RD 10V 1000uF 10 12 5mm 2 KM 10V 1000uF 10 12 5mm 19 CAPELECT C50 RD 10V 2200uF 10 20mm 1 KM 10V 2200uF 10 20mm 20 CAPELECT C54 55 61 RD 10V 4700uF 12 5 25mm 3 KM 10V 4700uF 12 5 25mm 21 CAPELECT C32...

Page 47: ...WS 42 T2 EER4042 250uH 47 CHOKE NORMAL L7 8 NVA175 60110ND 2 48 LINE FILTER LF2 DV505180BS 1 49 CHOKE BAR L2 3 4 6 0 6uH 3 10 7mm 4 50 CHOKE BAR L1 3uH 5 20 1 51 PHOTO COUPLER PC1 2 3 4 5 LTV817B 5 52 CONNECTOR P801 YW396 03AV 1 53 FET Q3 STW26NM60 TO 3P 1 54 FET Q8 STP4NK80ZFP TO 220FP 1 55 FET Q4 6 STP11NM60FP TO 220 2 SPP11N60C3 56 TRANSISTOR Q14 KTD1691Y TO 126 1 KSD1691Y TO 126 57 RESISTOR SU...

Page 48: ...8 2 83 SIL PAD D2 D14 SIL PAD 900S TO 220 L13 H18 2 84 SIL PAD Q3 D3 SIL PAD 900S TO 3 L19 H23 2 85 SCREW BUSHING D2 D14 3PH1 2 86 TUBE F101 25mm 7mm 1 87 CAP CERAMIC SMD C22 28 53 0805 X7R 25V 103K 3 88 CAP CERAMIC SMD C14 0805 X7R 25V 202K 1 89 CAP CERAMIC SMD C23 33 66 0805 X7R 25V 102K 3 90 CAP CERAMIC SMD C17 0805 NPO 25V 101J 1 91 CAP CERAMIC SMD C36 0805 NPO 25V 221J 1 92 CAP CERAMIC SMD C7...

Page 49: ...SISTOR SMD R63 2012 20KF 1 118 RESISTOR SMD R53 2012 22K 1 119 RESISTOR SMD R64 2012 240 1 120 RESISTOR SMD R24 2012 240K 1 121 RESISTOR SMD R19 2012 270K 1 122 RESISTOR SMD R43 71 83 2012 2KF 3 123 RESISTOR SMD R12 2012 3 3KF 1 124 RESISTOR SMD R7 13 25 2012 300K 3 125 RESISTOR SMD R14 44 46 60 2012 30K 4 126 RESISTOR SMD R100 2012 330F 1 127 RESISTOR SMD R52 49 27 62 2012 33K 4 128 RESISTOR SMD ...

Page 50: ...RTER IC4 KA2904D SO 8 1 155 IC SMD PWM IC12 FAN7601MX SO 8 1 156 DIODE SW SMD D5 6 7 8 10 11 19 BAV70 SOT 23 7 157 DIODE ZENNER SMD ZD3 4 5 6VY SOT 23 2 158 DIODE ZENNER SMD ZD9 18VY SOT 23 1 159 DIODE ZENNER SMD ZD5 6 15VY SOT 23 2 160 DIODE ZENNER SMD ZD10 11 20VY SOT 23 2 161 DIODE ZENNER SMD ZD8 36VY SOT 23 1 162 DIODE ZENNER SMD ZD1 2 7 27VY SOT 23 3 163 TR SMD Q2 5 7 12 SBT2907A SOT 23 4 164...

Page 51: ...51 Model No LCT 37ELOSST doc Version 1 0 EXPLODED VIEW ...

Page 52: ...5 BK 23 Bracket I O 1 SECC 1 0T 24 Screw 1 M4 x 12 BK 25 Wall Mount Assy 1 Assy 26 Screw 6 M6 x 15 BK 27 Support Stand 1 Die Casting 28 Cover Wire 1 ABS 29 Stand Base 1 ABS 30 Deco Stand 1 ABS 31 Stand Base Plate 1 GI 3 0T 32 Foot Rubber 8 NBR 33 Screw 1 M4 x 12 BK 34 Screw 8 PTC 4 x 14 BK 35 Screw 4 PTC3 x 10 BK 36 Screw 16 PTC4 x 14 BK 37 Bracket Speaker 4 SECC 1 6T 38 Screw 16 PTC3 x 10 BK 39 S...

Page 53: ...specified electric drill and drill bit for drilling The drilling holes should conform to the specifications 7 To avoid fire and shock do NOT place radiator heater or humidifier below the installed TV 8 The TV should be kept away from moisture sensors and power line The TV should be kept away from impact and vibration 9 Ensure that the power supply be disconnected before installation for fear of fi...

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