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AOC 193P+, Service Manual

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AOC 193P+ Service Manual Download Page 37

                                                                                     

 AOC 193P+ 

                                                                                                                     

37          

8.2.2 Power/Inverter Board

 

1) No power 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check CN102 pin 5/6 = 12V 

Check AC line volt 110V or 220V 

Check AC input 

Check the voltage of C904 (+) 

Check bridge rectified circuit and F901 circuit 

Check start voltage for the pin3 of IC901 

Check R903, R904 and Change IC901 

NG

Check the auxiliary voltage is bigger than   

10V and smaller than 20V 

1) Check IC901 

2) Check ZD901,Q902,Q903 OVP circuit 

OK 

OK 

NG

Check T901, D911, IC902, IC903 

OK

Check IC901 pin 8 PWM wave 

OK 

Check IC901 

NG

NG 

NG 

OK 

NG

Summary of Contents for 193P+

Page 1: ...R 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...

Page 2: ...Optical Characteristics 12 4 4 3 Electrical Characteristics 12 5 Block Diagram 14 5 1 Monitor Explored View 14 5 2 Software Flow Chart 15 5 3 Electrical Block Diagram 17 5 3 1 Main Board 17 5 3 2 Pow...

Page 3: ...AOC 193P 3 Revision List Version Date Revision History TPV Model Name A00 Jan 18 06 Initial Release T980KA2NKLACN A01 Sep 01 06 Add TPV Model in item 12 T95AM2NKBLAO3P...

Page 4: ...Analog 0 7Vp p standard 75 OHM Positive Digital signal H Frequency 30kHz 83kHz Input V Frequency 55Hz 75Hz ON Mode 45W Power Consumption OFF Mode 2W Dot Clock 135MHz Max Resolution 1280 x 1024 75Hz P...

Page 5: ...nel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel and DC DC conversion AC IN 100 240V Power Board Include Inverter and adapter Flat Panel and CCFL...

Page 6: ...st Key Exit 2 Brightness 3 Contrast 4 MENU ENTER 5 LED 6 Power Key Power Button Press this button to switch ON OFF of monitor s power MENU ENTER Activate OSD menu when OSD is OFF or activate de activa...

Page 7: ...u Icon Sub Menu Item Sub Menu Icon Description Adjust Range Reset Value Contrast Contrast from Digital register 0 100 Recall Cool Contrast Value Luminance Brightness Backlight Adjustment 0 100 Recall...

Page 8: ...ust the horizontal position of the OSD 0 100 50 V Position Adjust the vertical position of the OSD 0 100 50 OSD Setup OSD Timeout Adjust the OSD timeout 10 120 10 Language Language N A Select the lang...

Page 9: ...ound VGA connector layout 1 5 6 10 11 15 24 Pin DVI Connector Pin No Description Pin No Description 1 TMDS Data 2 13 TMDS Data 3 2 TMDS Data 2 14 5V Power 3 TMDS Data 2 4 Shield 15 Ground for 5V 4 TMD...

Page 10: ...363kHz 60 0Hz 1024 768 56 476kHz 70 0Hz XGA 1024 768 60 021kHz 75 0Hz 1280 1024 64 000kHz 60 0Hz SXGA 1280 1024 80 000kHz 75 0Hz 4 3 Power Supply Requirement A C Line voltage range 100 V 240 V A C Li...

Page 11: ...AOC 193P 11 4 4 Panel Specification 4 4 1 General Feature...

Page 12: ...AOC 193P 12 4 4 2 Optical Characteristics 4 4 3 Electrical Characteristics 1 TFT LCD Module Ta 25 C...

Page 13: ...AOC 193P 13 2 Back Light Unit...

Page 14: ...AOC 193P 14 5 Block Diagram 5 1 Monitor Exploded View...

Page 15: ...AOC 193P 15 5 2 Software Flowing 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...

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

Page 17: ...U56AK Include ADC OSD U401 EEPROM M24C16 U602 EEPROM M24C02 WMN6TP U301 DVI Video Signal DB15_SDA DB15_SCL EPR_SDA EPR_SCL LCD Interface CN503 Key Board Control D Sub Connector CN301 Crystal 14 318MHZ...

Page 18: ...AOC 193P 18 5 3 2 Power Inverter Board...

Page 19: ......

Page 20: ...VCC12V VLCD VCPU VAA2 VLCD VCPU VCC12V B3 6 MCU onBACKLITE onPANEL_5V 3 3V SDA INT CSZ DDC_DAT ST_DET1 SCL HWRESET DDC_CLK Volume VCC5V VCC12V VCPU RXD TXD AD0 AD1 AD2 AD3 DDC_WP DVI_DET DDCCI_SEL VCC...

Page 21: ...VCC3 3 VCC12V GND GND VAA2 4 Q203 AO3401 VCC5V VCC5V R213 NC C206 1uF 25V C204 220uF 25V 2004 09 05 ADD TOUCH PANEL POWER VCC12V VCC5V PITCH 2 0 H1 SCREW3 2RM 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 VCC1...

Page 22: ...5 10 16 17 VCC5V D316 LL5232B 5 6V 5 VCC5V PC5V 2004 09 05 ADD ESD Solution VGA_CON R321 10K 1 16W VCC5V C313 0 1uF R316 100 1 16W RIN 4 2004 08 19 ADD VCC5V VSYNC 4 DVI5V DSUBDDC_5V C306 0 047uF oper...

Page 23: ...0 1uF PA3 VCC5V VAA3 2 PB2 VAA2 2 C427 10uF 16V VAA1 2 C401 0 1uF C403 22pF PA5 U401 TSU16 56AK 63 60 61 58 62 59 57 37 38 40 41 43 44 46 47 49 50 52 66 67 69 70 71 32 72 73 74 107 55 35 45 3 51 11 2...

Page 24: ...FOR MYSON512 SWITCH A 5 6 Wednesday October 06 2004 Title Size Document Number Rev Date Sheet of LVB2M LVA2P PB5 LVA2M RXO2 LVBCKP LVB3M C510 0 1uF C509 22uF 16V PA2 LVA1P LVB2P PA4 LVB2P PA3 PB 0 9...

Page 25: ...40 R642 R640 1K 1 16W RN602 10K 1 16W 1 2 3 4 8 7 6 5 CN603 NC 1 2 3 4 1 2 3 4 DDCCI_SEL 3 R619 4 7K 1 16W R622 470 1 16W AD2 4 LEFT R607 10K 1 16W R616 4 7K 1 16W MCU B TSU16 56AK FOR MYSON512 SWITCH...

Page 26: ...AOC 193P 26 6 2 Power Board 715G 901 1 8...

Page 27: ...AOC 193P 27 715G 1299 1 3...

Page 28: ...AOC 193P 28...

Page 29: ...AOC 193P 29 7 PCB Layout 7 1 Main Board 715G 1423 2 512 2...

Page 30: ...AOC 193P 30...

Page 31: ...AOC 193P 31 7 2 Power Board 715G 901 1 8 715G 1299 1 3...

Page 32: ...AOC 193P 32 7 3 Key Board 715L1317 1 2...

Page 33: ...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 8...

Page 34: ...ture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U201 PIN2 1 8V U202 PIN2 3 3V Reinsert or check the Adapter Inverter section X601 and X401 oscillate waveforms are norm...

Page 35: ...U601 Replace X601 Measure U201 PIN2 1 8V U202 PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace U201 U202 OK OK OK OK OK NG NG NG NG Check reset circuit o...

Page 36: ...base is high level X601 oscillate waveform is normal Check Q204 is broken or CN503 solder Check Correspondent component Replace Panel Check Correspondent component Replace U601 OK OK OK Replace X601 O...

Page 37: ...04 Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R903 R904 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 C...

Page 38: ...02 Check U201 PIN 10 7 have the output of sawtooth wave at short time NG OK Change U201 Check D201 D202 has the output of square wave at short time NG OK Check Q205 Q207 Q203 Check Q206 Q208 Q204 Chec...

Page 39: ...d 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...

Page 40: ...es under full white screen mode First press the Reset key in the menu to recover factory set as following Set Chroma2325 at round windows mode and make the detecting head of Chroma7120 aim at the cros...

Page 41: ...iting 3 Input the serial number of the product For instance AOC LM725 is 13 bits and then press ENTER to start writing 4 Check the indication of DDC writing program at the end When you see the picture...

Page 42: ...of the DDC is dependent on the serial number of the BARCORD of this model 3 Data DDC writing needs a transfer interface Instruction DDC writing needs 4 files 1 Barcode txt Supply Barcode length and fl...

Page 43: ...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 indi...

Page 44: ...0 FD 00 37 96 4B 1E 53 0E 00 0A 20 20 20 20 20 20 00 00 00 FC 112 00 31 39 33 50 2B 0A 20 20 20 20 20 20 20 00 37 Digital 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 0 00 FF FF FF FF FF FF 00 05 E...

Page 45: ...OVER 40G 19E615 7A RARTIN LABEL 40G 58162435A LABEL 41G190061534B MANUAL 41G780061513B INPUT NOT SUPPORT CARD 41G780061518B EASE PROGRAM 41G780061532C SA CENTER LIST 41G780061541A AOC Kensington Card...

Page 46: ...ABLE 90G6063500 T HEAT SINK 90G6083 1 HEAT SINK 96G 29 8 TUBE M1G 330 8128 SCREW 705G 990 57 01 Q901 ASS Y W33G6045 B T TOP COVER W33G6046 B T COVER A 95G 205430322 WIRE HARNESS BD901 93G 50460 16 U4K...

Page 47: ...3 22 CHIP 0 01uF 25V X7R 080 C916 65G0805221 21 220PF 25V 5 C917 65G0805105 12 1UF 10 6V X7R C921 65G0805104 22 0 1UF 10 25V X7R 080 C922 65G1206102 32 CHIP 1000PF XTR 5 C923 65G1206101 71 100PF 500V...

Page 48: ...0805153 CHIPR 15K OHM 5 1 8W R930 61L0805152 CHIPR 1 5K OHM 5 1 8 R931 61L0805154 CHIP 150KOHM 5 1 8W R932 61L0805332 CHIP 3 3K OHM 5 1 8W R933 61L0805931 1F CHIP 9 31K OHM 1 8W 1 R934 61L0805243 1F C...

Page 49: ...N U401 90G 444 1 HEAT SINK X401 93G 22 53 CRYSTAL 14 318MHzHC 49U X601 93G 22 45 H 24MHZ 30PF 49US 40G 457624 1B LABEL CPU 715G1423 2512 2 PCB C201 65G0603104 32 CHIP 0 1UF 50V X7R C203 65G0603104 32...

Page 50: ...603 NP0 50V 22P P C403 65G0603220 31 CER1 0603 NP0 50V 22P P C404 65G0603104 32 CHIP 0 1UF 50V X7R C406 65G0603104 32 CHIP 0 1UF 50V X7R C407 65G0603104 32 CHIP 0 1UF 50V X7R C408 65G0603104 32 CHIP 0...

Page 51: ...V99 SOT 23 D303 93G 6433P BAV99 SOT 23 D304 93G 64 42 P BAV70 SOT 23 D305 93G 64 42 P BAV70 SOT 23 D306 93G 6433P BAV99 SOT 23 D307 93G 6433P BAV99 SOT 23 D308 93G 6433P BAV99 SOT 23 D309 93G 6433P BA...

Page 52: ...S3904 PHILIPS SMT 04 R201 61L0603203 CHIPR 20K OHM 5 1 10W R202 61L0603103 RST SM 0603 RC0603 10K R203 61L0603102 RST SM 0603 RC0603 1K P R204 61L0603103 RST SM 0603 RC0603 10K R205 61L0603472 RST SM...

Page 53: ...03102 RST SM 0603 RC0603 1K P R335 61L0603103 RST SM 0603 RC0603 10K R336 61L0603103 RST SM 0603 RC0603 10K R341 61L0603000 RST SM 0603 JUMP MAX 0R R342 61L0603000 RST SM 0603 JUMP MAX 0R R343 61L0603...

Page 54: ...61L0603471 CHIPR 470 OHM 5 1 10W R623 61L0603471 CHIPR 470 OHM 5 1 10W R624 61L0603102 RST SM 0603 RC0603 1K P R636 61L0603101 RST SM 0603 RC0603 100R R637 61L0603000 RST SM 0603 JUMP MAX 0R R639 61L0...

Page 55: ...R C115 65G0603104 32 CHIP 0 1UF 50V X7R C116 65G0603104 32 CHIP 0 1UF 50V X7R C117 65G1206106 17 CHIP 10UF 16V Y5V C118 65G1206106 17 CHIP 10UF 16V Y5V C119 65G1206106 17 CHIP 10UF 16V Y5V C120 65G120...

Page 56: ...16V Y5V C154 65G1206106 17 CHIP 10UF 16V Y5V C155 65G1206106 17 CHIP 10UF 16V Y5V C156 65G1206106 17 CHIP 10UF 16V Y5V C157 65G0603104 32 CHIP 0 1UF 50V X7R C158 65G0603104 32 CHIP 0 1UF 50V X7R C159...

Page 57: ...P BEAD 600 OHM 0805 L101 71G 56Z601 CHIP BEAD 600 OHM 0805 L102 71G 56Z601 CHIP BEAD 600 OHM 0805 L103 71G 56Z601 CHIP BEAD 600 OHM 0805 R101 61L0603103 RST SM 0603 RC0603 10K R102 61L0603101 RST SM 0...

Page 58: ...8 CHIP AR 894R 33OHM 5 U101 56G 562 99 VTIO 3601 U102 56G 615 2A W9816G6CH 7 U103 56G 615 2A W9816G6CH 7 U104 56G 615 2A W9816G6CH 7 U105 56G 615 2A W9816G6CH 7 U106 56G113361AE19 AT2SF512AN 10SU 2 7...

Page 59: ...10 25V X7R 080 C106 65G0805223 22 CHIP 0 022UF 25V X7R 08 C107 65G0805103 22 CHIP 0 01uF 25V X7R 080 C110 65G0805105 22 CHIP 1UF 25V X7R 0805 C111 65G0805103 22 CHIP 0 01uF 25V X7R 080 C112 65G080547...

Page 60: ...0 5A DTC 144WN3 S SOT 23 Q202 57G 760 4A DTA144WN3 S SOT 23 Q203 57G 763 3 AO4411 SO 8 Q204 57G 763 3 AO4411 SO 8 Q205 57G 417 4 PMBS3904 PHILIPS SMT 04 Q206 57G 417 4 PMBS3904 PHILIPS SMT 04 Q207 57G...

Page 61: ...OHM 5 1 10W R236 61L0603511 CHIPR 510 OHM 5 1 10W R237 61L0603511 CHIPR 510 OHM 5 1 10W R238 61L0603123 CHIP 12K OHM 1 10W R239 61L0603123 CHIP 12K OHM 1 10W R240 61L0603513 CHIP 51K OHM 1 10W R241 6...

Page 62: ...604 2 CJ TSDPA 2 T NP SW2 77G 604 2 CJ TSDPA 2 T NP SW3 77G 604 2 CJ TSDPA 2 T NP SW4 77G 604 2 CJ TSDPA 2 T NP SW5 77G 604 2 CJ TSDPA 2 T NP 12G 394 3 RUBBER FOOT 20G 017 1 DIECASTING BASE 33G4761 M4...

Page 63: ...6000 4 6B PAPER BOARD 044G6000757 1A CARTON 044G6002615 1A PAPER BOARD 044G6002695 3A PAPER BOARD 044G9003220 CORNER PAPER 045G 77501 BARCODE RIBBON 045G 88609 C EPE COVER 045G 88626CK2 PE BAG FOR MON...

Page 64: ...Q44G3922615 7B CARTON 045G 76 28CK2 PE BAG 045G 77500 BARCODE RIBBON Q41G7800615A23 WARRANTY CARD CKD AGT Q41G900061557A MANUAL 012G6216 1 RUBBER 037G 561 2 HINGE 0Q1G 130 6120 SCREW T3X6 0Q1G1040 10...

Page 65: ...LSG CHOKE COIL L902 073L 174 31 LG CHOKE COIL L902 073L 174 31 TG CHOKE COIL L902 073L 174 31LSG CHOKE COIL T901 080LL17T 5 LG TRANS FORMER BY LI TAI T901 080LL17T 5 TG X FMR T901 080LL17T 5LSG ADAPTO...

Page 66: ...4N KY25VB220 M CC3 8 11 5MM C204 067G215V221 4N KY25VB220 M CC3 8 11 5MM C202 067G215V221 4R LOW E S R 220UF 20 2 C204 067G215V221 4R LOW E S R 220UF 20 2 C211 067G215V470 4N KY25VB47 M CC3 0 5 11MM...

Page 67: ...ONN 2P R A 87210 0236 D CN202 033G8021 2D AC CONN 2P R A 87210 0236 D CN201 033G8021 2D AC CONN 2P R A 87210 0236 D 040G 45762412B CBPC LABEL Q212 057G 761 6 2SC5706 P E Q211 057G 761 6 2SC5706 P E Q2...

Page 68: ...3G 253138 S CHOKE 150UH 1 5A TC L201 073G 253138 S CHOKE 150UH 1 5A TC L202 073G 253138 Y CHOKE BY L201 073G 253138 Y CHOKE BY L202 073G 253138 LS CHOKE COIL L201 073G 253138 LS CHOKE COIL L102 073G 2...

Page 69: ...OHM 5 1 4W R935 061L1206159 CHIP1 5OHM 5 1 4W R921 061L1206159 CHIP1 5OHM 5 1 4W R920 061L1206159 CHIP1 5OHM 5 1 4W R919 061L1206159 CHIP1 5OHM 5 1 4W R918 061L1206159 CHIP1 5OHM 5 1 4W R908 061L12062...

Page 70: ...3 56 M24C16 WMN6TP Q201 057G 417 4 PMBS3904 PHILIPS SMT 04 Q202 057G 417 4 PMBS3904 PHILIPS SMT 04 Q204 057G 417 4 PMBS3904 PHILIPS SMT 04 Q605 057G 417 4 PMBS3904 PHILIPS SMT 04 Q602 057G 417 6 PMBS3...

Page 71: ...PR 1K OHM 5 1 16W R332 061L0603102 CHIPR 1K OHM 5 1 16W R624 061L0603102 CHIPR 1K OHM 5 1 16W R407 061L0603103 CHIPR 10K OHM 5 1 16W R406 061L0603103 CHIPR 10K OHM 5 1 16W R405 061L0603103 CHIPR 10K O...

Page 72: ...R303 061L0603330 CHIPR 33 OHM 5 1 10W R302 061L0603330 CHIPR 33 OHM 5 1 10W R301 061L0603330 CHIPR 33 OHM 5 1 10W R403 061L0603390 0F CHIP 390 OHM 1 10W 1 R304 061L0603471 CHIPR 470 OHM 5 1 16W R620 0...

Page 73: ...04 32 CHIP 0 1UF 50V X7R C420 065G0603104 32 CHIP 0 1UF 50V X7R C418 065G0603104 32 CHIP 0 1UF 50V X7R C417 065G0603104 32 CHIP 0 1UF 50V X7R C416 065G0603104 32 CHIP 0 1UF 50V X7R C415 065G0603104 32...

Page 74: ...5G0603330 31 CER1 0603 NP0 50V 33P PM C305 065G0603473 32 CHIP 0 047UF 50V X7R C304 065G0603473 32 CHIP 0 047UF 50V X7R C310 065G0603473 32 CHIP 0 047UF 50V X7R C309 065G0603473 32 CHIP 0 047UF 50V X7...

Page 75: ...5232B BY FULL POWER SMT D325 093G 39149 MLL5232B BY FULL POWER SMT D305 093G 64 42 P BAV70 SOT 23 D304 093G 64 42 P BAV70 SOT 23 C303 093G 64 49 SU EGA10603 V05 C302 093G 64 49 SU EGA10603 V05 C301 09...

Page 76: ...OHM 5 1 16W RN115 061L 125330 8 CHIP AR 894R 33OHM 5 1 16W RN113 061L 125330 8 CHIP AR 894R 33OHM 5 1 16W RN112 061L 125330 8 CHIP AR 894R 33OHM 5 1 16W RN111 061L 125330 8 CHIP AR 894R 33OHM 5 1 16W...

Page 77: ...3104 32 CHIP 0 1UF 50V X7R C193 065G0603104 32 CHIP 0 1UF 50V X7R C191 065G0603104 32 CHIP 0 1UF 50V X7R C186 065G0603104 32 CHIP 0 1UF 50V X7R C185 065G0603104 32 CHIP 0 1UF 50V X7R C184 065G0603104...

Page 78: ...5 C147 065G1206106 17 CHIP 10UF 16V Y5V C146 065G1206106 17 CHIP 10UF 16V Y5V C145 065G1206106 17 CHIP 10UF 16V Y5V C144 065G1206106 17 CHIP 10UF 16V Y5V C143 065G1206106 17 CHIP 10UF 16V Y5V C130 065...

Page 79: ...600OHM L101 071G 56Z601 M CHIP BEAD 600OHM FB601 071G 56Z601 M CHIP BEAD 600OHM D101 093G 6432V LL4148 GSO8 715G1538 1 PCB 096G 29 1 SHRINK TUBE UL CSA U201 056G 379 35 FP5451DR IC101 056G 379 42 NCP1...

Page 80: ...7K OHM 5 1 16 R209 061L0603472 CHIPR 4 7K OHM 5 1 16 R205 061L0603473 RST SM 0603 RC0603 47K P R206 061L0603473 RST SM 0603 RC0603 47K P R237 061L0603511 CHIPR 510 OHM 5 1 16W R236 061L0603511 CHIPR 5...

Page 81: ...22 CHIP 0 022UF 25V X7R 080 C208 065G0805331 31 CHIP 330PF 50V NPO C112 065G0805472 31 CHIP 4700PF 50V X7R 0805 C221 065G0805474 27 CHIP 0 47UF 25V Y5V C222 065G0805474 27 CHIP 0 47UF 25V Y5V D102 09...

Page 82: ...AN CN1 089G176J 8503 FFC CABLE 715G1317 2B 2 KEY BOARD PCB T901 006G 31502 1 5MM RIVET IC904 056G 158 10 T IC AZ431AZ AE1 TO 92 BY AAC 715G 901 1 8 ADAPTER BOARD PCB R924 061G 17224152T 240 OHM 5 1 4W...

Page 83: ...AOC 193P 83 R232 061G 17210252T 1K OHM 5 1 4W R233 061G 17210252T 1K OHM 5 1 4W R104 061G 60210052T 10 OHM 5 1 6W L103 071G 55 19 T FERRITE BEAD D9X3 5X0 8...

Page 84: ...AOC 193P 84...

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