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AOC LM92SV

SERVICE MANUAL

19” LCD Monitor

LM92SV

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT

HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE

ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR

CHANGES, ERRORS OR OMISSIONS.

Содержание LM92SV

Страница 1: ...ENTS ARE FOR REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICAT...

Страница 2: ...al Characteristics 12 4 4 3 Parameter Guide Line For CCFL Inverter 13 5 Block Diagram 14 5 1 Monitor Exploded View 14 5 2 Software Flow Chart 15 5 3 Electrical Block Diagram 17 5 3 1 Main Board 17 5 3...

Страница 3: ...AOC LM92SV 3 REVISION LIST Revision Date TPV Name Change Description A00 Nov 16 05 T980KA3HBAA9KP Original Revision...

Страница 4: ...cy 30kHz 83kHz Input V Frequency 55 75Hz ON Mode 50W Power Consumption OFF Mode 2W Display Color 16 7M colors RGB 8 bit data Dot Clock 135MHz Contrast Ratio 800 1 White Luminance 250cd m2 Max Resoluti...

Страница 5: ...ness control logic and DDC The Inverter board will drive the backlight of panel and DC DC conversion The Adaptor will provide 12V DC power to Inverter Power board AC IN 100V 240V Inverter board Flat P...

Страница 6: ...ton The Left Right Button is used to control the monitor functions Press to switch functions or adjust settings Auto Adjust Key The Auto Adjust Key is used to automatically set the H Position V Positi...

Страница 7: ...Sub Menu Item Sub Menu Icon Description Reset Value Contrast Contrast from Digital register Recall Cool Contrast Value Luminance Brightness Backlight Adjustment Recall Cool Brightness Value Focus Adj...

Страница 8: ...10 English N A Set OSD display language to English Deutsch N A Set OSD display language to German Fran ais N A Set OSD display language to French Espa ol N A Set OSD display language to Spain Italian...

Страница 9: ...connector layout 1 5 6 10 11 15 2 DVI connector PIN NO DESCRIPTION PI N NO DESCRIPTION 1 TMDS data 2 13 TMDS data 3 NC 2 TMDS data 2 14 5V Power 3 TMDS data 2 4 Shield 15 GND return for 5v hsync vsync...

Страница 10: ...Hz 1688x1066 79 976 P 75 025 P 135 000 IBM MODES Horizontal Vertical DOS 720x400 70Hz 900 x 449 31 469 N 70 087 P 28 322 DOS 640x400 70Hz 800 x 449 31 469 N 70 087 P 25 175 XGA 1024x768 72Hz 1304 x 79...

Страница 11: ...N03 V0 The display supports the SXGA 1280 H x 1024 V screen format and 16 7M colors RGB 8 bits data All input signals are 2 Channel LVDS interface compatible This module does not contain an inverter c...

Страница 12: ...AOC LM92SV 12 4 4 3 Optical Characteristics...

Страница 13: ...AOC LM92SV 13 4 4 4 Parameter guide line for CCFL Inverter 1 TFT LCD Module 2 Backlight Units...

Страница 14: ...AME 15G6237 4 BACK COVER 34G1388 SHIELD 85G 676 2 BASE COVER 34G1393 HINGE 37G 504 1 STAND UPPER 34G1390 STAND PLATE 33G4761 AI C INSULATE SHEET 52G6025 11699 KEY PAD 33G4759 LENS 33G4760 STAND LOWER...

Страница 15: ...AOC LM92SV 15 5 2 SOFTWARE FLOW CHART 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18...

Страница 16: ...set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request...

Страница 17: ...ST6151A Include ADC OSD U401 EEPROM AT24C16N U403 D Sub Connector CN401 EEPROM 24C02 U404 H sync V sync RGB DB15_SDA DB15_SCL EPR_SDA EPR_SCL LCD Interface CN406 DVI I only Connector CN402 EEPROM 24C0...

Страница 18: ...er Start Circuit R903 R904 PWM Control IC Transformer Over Voltage Protect Rectifier diode AC input 12V ON OFF Control PWM Control IC Feedback Circuit OSC and Output Circuit DC Convert Circuit MOSFET...

Страница 19: ...D AND AUDIO 08 KEYPAD AND AUDIO AUTO STBY SOURCE LEDG LEDO VOLUME POWER 12V UP DOWN MUTE MENU VOL_PWM 5V 05 MST6151 05 MST6151 FSWE SHS DVI_SCL SVCLK AVS FSCLK BLUE SOG AD 0 3 RX2 FSRAS FSCAS RED GREE...

Страница 20: ...uF 16V C179 0 1uF 16V 3 3AVDD GND C177 100uF 25V C110 0 1uF 16V POWER_STB 6 pin66 GND GND L108 0 1 16W C116 0 1uF 16V C102 0 1uF 16V 12V R112 0 1 16W U106 SI9953DY T1 1 2 3 4 8 7 6 5 S1 G1 S2 G2 D1 D1...

Страница 21: ...62 0 1uF 5V_DEC A7 A9 3 3_VID D9 A11 D11 VGND A3 BA1 SVDATA14 SVDATA7 C281 NC 330pF DVI 3 3_VID D6 Y_IN 715G1510 DSN 1 02 VIDEO DECORDER D 4 10 Tuesday December 06 2005 Title Size Document Number Rev...

Страница 22: ...16bit 512K X 2Bank C303 0 1uF 16V GNDM 3 3V_MC FSADDR5 FSADDR3 GNDM FSADDR4 FSDATAU26 R307 22 1 16W 3 3V_MC FSDATAU28 FSADDR1 3 3V_MQ 3 3V_MC FSDATAU16 FSDATAU6 FSDQM1 FSCKE FSADDR6 C301 10uF 16V FSCA...

Страница 23: ...AVS 5 R438 22 1 16W C481 0 1uF 16V C406 0 047uF R412 100 1 16W GND Q402 PMBS3904 1 3 2 D402 BAV99 3 1 2 Schmitt Triggers R445 100K 1 16W R492 1K 1 16W R417 10K 1 16W D412 BAV99 3 1 2 GND R430 10K 1 1...

Страница 24: ...0 VI_DATA 9 VI_DATA 8 REFM REFP RMID VSYNC0 HSYNC1 DDCD_CK DDCD_DA REXT DVI_CK DVI_CK DVI_B DVI_B RIN1M RIN1 GIN1M GIN1 SOGIN1 BIN1M BIN1 VSYNC1 GND DVI_R DVI_G DVI_G DVI_R HSYNC0 RIN0 RIN0M SOGIN0 GI...

Страница 25: ...600 OHM C438 100pF 1 2 LEDG ON_PANEL L413 600 OHM R122 0 1 16W POWER_STB R471 470 1 16W U402 W78E65P 40 35 21 20 10 14 15 16 17 2 3 4 5 6 7 8 9 43 42 41 40 39 38 37 36 24 25 26 27 28 29 30 31 19 18 3...

Страница 26: ...MENU LINE IN L CN104 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 OSD_S1_POWER 3 3V_VDD R132 0 C167 0 001uF OSD_S1_POWER 5V C173 1uF 25V SPKR_R GND R131 1K 1 16W R138 4 7K 1 16W R126 220 1 16W VOLUME 12 LED...

Страница 27: ...R D906 BAW56 SMD 1 2 3 MOSFET S D907 1N4148 SMD R927 363 0805 C903 0 47uF 300V R916 103 0805 C912 1000UF 25V IC903 PC 123 1 2 3 4 L902 1 4 2 3 C906 22UF 25V R909 3R3 1206 C909 104 0805 X7R C908 474 08...

Страница 28: ...25V R103 NC is power GND C108 0 1uF 25V IDPC1942SEL1 715L1299 1 A 1 POWER AOC Top Victory Electronics Co Ltd A 2 1 17 2004 Title Size Document Number Rev Date Sheet of R104 NC D101 SR34 DIM ON OFF L1...

Страница 29: ...05 PMBS3904 3 2 1 Q203 AO4411 1 2 3 4 8 7 6 5 S1 S1 S1 G1 D1 D1 D1 D1 TP1 HVL 1 R231 2K 1 4W C220 1uF 25V R238 12K 1 16W R216 220 1 16W C209 1uF 25V CN203 33L8020 2D 33L8021 2D LAYOU 1 2 is power GND...

Страница 30: ...AOC LM92SV 30 7 PCB LAYOUT 7 1 MAIN BOARD 715G1510 F...

Страница 31: ...AOC LM92SV 31 7 2 ADAPTER BOARD 715G901 1 8...

Страница 32: ...AOC LM92SV 32 7 3 INVERTER BOARD 715G1299 1 3 7 4 KEY BOARD 715G1317 A 7...

Страница 33: ...8 MAINTAINABILITY 8 1 EQUIPMENTS AND TOOLS REQUIREMENT 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual...

Страница 34: ...ormal Please reinsert and make sure the AC of 100 240 is normal Measure U103 PIN2 1 8V U101 U102 U105 PIN2 3 3V Reinsert or check the Adapter Inverter section X402 and X401 oscillate waveforms are nor...

Страница 35: ...02 Replace X402 Measure U103 PIN2 1 8V U101 U102 U105PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace U103 U105 OK OK OK OK OK NG NG NG NG Check reset cir...

Страница 36: ...ase is low level X402 oscillate waveform is normal Check Q105 Q106 is broken or CN406 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U402 OK OK OK Replace X40...

Страница 37: ...ge Q201 or Q202 Check U201 PIN1 have the output of square wave at short time NG OK Change U201 Check D203 D204 have the output of square wave at short time NG OK Check Q203 Q205 Q207 D203 Check Q204 Q...

Страница 38: ...ad Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board...

Страница 39: ...Channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 296 20 y 311 20 Y 180 cd m2 4 Adjust the RED of color1 on factory window until chroma 7120 ind...

Страница 40: ...00 FD 00 37 96 4B 1E 53 0E 00 0A 20 20 20 20 20 20 00 00 00 FC 112 00 4C 4D 39 32 38 0A 20 20 20 20 20 20 20 00 A3 2 Digital EDID 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 0 00 FF FF FF FF FF FF...

Страница 41: ...4G3914624 1A CARTON 1 PCS 44G3922 1 PULP MOLD 1 PCS 44G3922 2 PULP MOLD 1 PCS 45G 88609 C EPE COVER 1 PCS 45G 88621 10 PE 1 PCS 45G 88626 1 PE BAG FOR MONITOR 1 PCS 52G 1186 SMALL TAPE 8 CM 52G 1207 A...

Страница 42: ...BEL FOR MO 1 PCS 40G 581700 6A LABEL 1 04 PCS 40G500B615 1C ID LABEL 1 02 PCS 45G 88525 E PE BAG 1 02 PCS 52G 1211 A ALUMINIUM TAPE 2 04 PCS 71G 55500 S FERRITE BEAD 3 5 3 1 3 1 PCS 89G 171513 1 2M 16...

Страница 43: ...T 5LSG ADAPTOR BY LISHIN 1 PCS ADPC1260AAIP LCD ADAPTER ASS Y FOR A 1 PCS C907 65G0805474 27 CHIP 0 47UF 25V Y5V 1 PCS C908 65G0805474 27 CHIP 0 47UF 25V Y5V 1 PCS C909 65G0805104 22 0 1UF 10 25V X7R...

Страница 44: ...1206159 CHIP1 5OHM 5 1 4W 1 PCS R921 61L1206159 CHIP1 5OHM 5 1 4W 1 PCS R922 61L1206470 CHIP 47OHM 5 1 4W 1 PCS R923 61L1206470 CHIP 47OHM 5 1 4W 1 PCS R925 61L1206472 CHIP 4 7KOHM 5 1 4W 1 PCS R926 6...

Страница 45: ...0 16v 1 PCS C130 67G309V100 3 10uf _20 16v 1 PCS C133 67G305V470 3P 47UF 16V 105 1 PCS C136 67G309V100 3 10uf _20 16v 1 PCS C138 67G309V100 3 10uf _20 16v 1 PCS C146 67G309V100 3 10uf _20 16v 1 PCS C1...

Страница 46: ...m 5 2w 1 PCS R239 61G152M159 64 6 2 OHM 2W 5 MOF 1 PCS U103 90G 445 1 HEAT SINK 1 PCS U401 90G 372 1 HEAT SINK 1 PCS X201 93G 22 53 CRYSTAL 14 318MHzHC 49U 1 PCS X401 93G 22 53 CRYSTAL 14 318MHzHC 49U...

Страница 47: ...2 CER2 0603 X7R 16V 100N 1 PCS C145 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C147 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C148 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C149 65G0603104 12 CER2 0...

Страница 48: ...PCS C233 65G0603331 32 CHIP 330PF 50V X7R 1 PCS C237 65G0603331 32 CHIP 330PF 50V X7R 1 PCS C241 65G0603331 32 CHIP 330PF 50V X7R 1 PCS C242 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C244 65G0603104...

Страница 49: ...6V 100N 1 PCS C304 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C305 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C306 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C307 65G0603104 12 CER2 0603 X7R 16V 100N...

Страница 50: ...C433 65G0603101 32 100PF 10 50V X7R 1 PCS C434 65G0603101 32 100PF 10 50V X7R 1 PCS C435 65G0603101 32 100PF 10 50V X7R 1 PCS C436 65G0603101 32 100PF 10 50V X7R 1 PCS C437 65G0603101 32 100PF 10 50V...

Страница 51: ...CHIP BEAD 600 OHM 0805 1 PCS L105 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS L106 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS L107 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS L108 61L0603000 RST SM 0603 JUMP MA...

Страница 52: ...AD 600 OHM 0805 1 PCS L420 71G 56G151 A TB160808G151 1 PCS L421 71G 56G151 A TB160808G151 1 PCS L422 71G 56G151 A TB160808G151 1 PCS L423 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS Q101 57G 417 4 PMBS390...

Страница 53: ...RC0603 220R 1 PCS R127 61L0603221 RST SM 0603 RC0603 220R 1 PCS R128 61L0603221 RST SM 0603 RC0603 220R 1 PCS R129 61L0603221 RST SM 0603 RC0603 220R 1 PCS R130 61G0603102 NO APP 1 PCS R131 61G060310...

Страница 54: ...0 CHIP 51 OHM 5 1 10W 1 PCS R407 61L0603471 CHIPR 470 OHM 5 1 10W 1 PCS R408 61L0603750 9F 75OHM 1 1 10W 1 PCS R409 61L0603750 9F 75OHM 1 1 10W 1 PCS R410 61L0603750 9F 75OHM 1 1 10W 1 PCS R411 61L060...

Страница 55: ...1 RST SM 0603 RC0603 100R 1 PCS R452 61G0603102 NO APP 1 PCS R453 61G0603102 NO APP 1 PCS R454 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R455 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R456 61L0603103 RST SM 0...

Страница 56: ...R494 61L0603101 RST SM 0603 RC0603 100R 1 PCS R495 61L0603103 RST SM 0603 RC0603 10K 1 PCS R496 61L0603472 RST SM 0603 RC0603 4K7 1 PCS R497 61L0603472 RST SM 0603 RC0603 4K7 1 PCS R498 61L0603472 RST...

Страница 57: ...Y FULL POWER 1 PCS ZD403 93G 39149 MLL5232B BY FULL POWER 1 PCS ZD404 93G 39149 MLL5232B BY FULL POWER 1 PCS ZD405 93G 39149 MLL5232B BY FULL POWER 1 PCS ZD406 93G 39149 MLL5232B BY FULL POWER 1 PCS Z...

Страница 58: ...BY 1 PCS P051 51G 6503 RTV 2 G Q209 57G 761 6 2SC5706 P E 1 PCS Q210 57G 761 6 2SC5706 P E 1 PCS Q211 57G 761 6 2SC5706 P E 1 PCS Q212 57G 761 6 2SC5706 P E 1 PCS ID1942AUE2AIP INVERSION BOARD FOR AI...

Страница 59: ...Z11B LLDS 1 PCS D205 93G 6432P LL4148 1 PCS D206 93G 6432P LL4148 1 PCS D207 93G 6432P LL4148 1 PCS D208 93G 6432P LL4148 1 PCS D209 93G 6432P LL4148 1 PCS D210 93G 6432P LL4148 1 PCS F201 61L1206000...

Страница 60: ...0603 220R 1 PCS R217 61L0603221 RST SM 0603 RC0603 220R 1 PCS R218 61L0603471 CHIPR 470 OHM 5 1 10W 1 PCS R219 61L0603471 CHIPR 470 OHM 5 1 10W 1 PCS R220 61L0603153 CHIPR 15KOHM 5 1 10W 1 PCS R221 61...

Страница 61: ...CS R230 61G 20720252T 2K OHM 1 2W 1 PCS R231 61G 20720252T 2K OHM 1 2W 1 PCS R232 61G 17210252T 1K OHM 5 1 4W 1 PCS R233 61G 17210252T 1K OHM 5 1 4W 1 PCS KEPC980KA9KP AIK980KB5SMTP KEY BOARD FOR SMT...

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