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AOC 917SW, Service Manual

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AOC 917SW Service Manual Download Page 17

19" LCD Color Monitor                       

                                                                                AOC 917Sw 

 

17

5.2.2 Inverter/Power Board 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

DIM 

EMI filter   

Start Circuit: R932, R933 

PWM 
Control IC 

Transformer 

AC input 

12V 

ON/OFF 
Control 

Feedback 
Circuit 

Transformer 

MOSFET 

Lamp 

ON/OFF 

5V

Bridge 
Rectifier 
and Filter 

Feedback 
Circuit 

Rectifier 
diodes 

CN902 

Output 

Circuit 

PWM 

Control IC

（

IC801

）

Over Voltage 

Summary of Contents for 917SW

Page 1: ...3 1 General Instructions 6 3 2 Control Buttons 6 3 3 OSD Menu 7 4 Input Output Specification 9 4 1 Input Signal Connector 9 4 2 Power Supply Requirements 9 4 3 Factory Preset Display Modes 10 4 4 Pan...

Page 2: ...17Sw 2 Revision List Version Release Date Revision History TPV Model Name T98SM5NBUWA1NN T9RSM5NLUWCKNZ T9RSM5NPUWA5NN T9RSM5NPUWA5NG T9RSM5NQUWA2NN T9RSM5NQUWA3NN T9RSM5NQUWA4NN A00 Feb 17 2008 Initi...

Page 3: ...aracteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or im...

Page 4: ...Highest preset resolution 1440 x 900 60 Hz Plug Play VESA DDC2B CI Input Connector D Sub 15pin Input Video Signal Analog 0 7Vp p standard 75 OHM Positive Power Source 100 240VAC 47 63Hz Active 37W Re...

Page 5: ...ess control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage AC IN 100V 240V Monitor Block Diagram Power board...

Page 6: ...ion is highlighted press the MENU button to activate sub menu Once the desired function is highlighted press MENU button to activate it 3 Press or to change the settings of the selected function Press...

Page 7: ...2 Adjust to Gamma 2 Gamma Gamma3 Adjust to Gamma 3 Off Disable dynamic contrast ratio DCR On Enable dynamic contrast ratio Image Setup Clock 0 100 Adjust picture Clock to reduce Vertical Line noise Fo...

Page 8: ...able AutoDetect Mode Demo on or off Disable or Enable Demo Picture Boost Frame Size 0 100 Adjust Frame Size Brightness 0 100 Adjust Frame Brightness Contrast 0 100 Adjust Frame Contrast Hue 0 100 Adju...

Page 9: ...en Ground 15 DDC Serial Clock 8 Blue Ground VGA connector layout 1 5 6 10 11 15 4 2 Power Supply Requirements A C Line voltage range 100 V 240 V A C Line frequency range 50 3Hz 60 3Hz Current 1 5A max...

Page 10: ...00 31 47kHz 70 0Hz 640 480 31 47kHz 60 0Hz VGA 640 480 37 50kHz 75 0Hz 800 600 37 879kHz 60 0Hz SVGA 800 600 46 875kHz 75 0Hz 1024 768 48 363kHz 60 0Hz 1024 768 56 476kHz 70 0Hz XGA 1024 768 60 021kHz...

Page 11: ...19 LCD Color Monitor AOC 917Sw 11 4 4 2 Display Characteristics...

Page 12: ...19 LCD Color Monitor AOC 917Sw 12 4 4 3 Optical Characteristics...

Page 13: ...19 LCD Color Monitor AOC 917Sw 13 4 4 4 Electrical Characteristics 1 TFT LCD 2 Backlight...

Page 14: ...19 LCD Color Monitor AOC 917Sw 14 5 Block Diagram 5 1 Software Flow Chat 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 15: ...e LED and 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 interrup...

Page 16: ...AOC 917Sw 16 5 2 Electrical Block Diagram 5 2 1 Main Board Crystal 14 318MHZ X401 FLASH ROM SST25LF020A U402 Scalar TSUM1PFR Include ADC OSD MCU U401 D Sub Connector CN101 Panel Interface CN403 Key Co...

Page 17: ...DIM EMI filter Start Circuit R932 R933 PWM Control IC Transformer AC input 12V ON OFF Control Feedback Circuit Transformer MOSFET Lamp ON OFF 5V Bridge Rectifier and Filter Feedback Circuit Rectifier...

Page 18: ...ut DSUB_R DSUB_G DSUB_B DSUB_V DSUB_R DSUB_G DSUB_B DET_CABLE DSUB_H DSUB_SOG DDC1_SDA DDC1_SCL DSUB_5V VCC3 3 ESD_VCC 04 Output CMVCC PB 0 9 PA 0 1 PPWR_ON PA 4 9 05 Power on_BACKLIGHT Adj_BACKLIGHT...

Page 19: ...0 047uF R121 10K 1 16W 5 C110 0 047uF C102 22pF R106 2K2 1 16W 5 R112 75R 1 16W 5 R107 75R 1 16W 5 C109 0 047uF R105 2K2 1 16W 5 C108 5pF 50V C104 5pF 50V R115 100R 1 16W 5 R108 100R 1 16W 5 1 2 ZD10...

Page 20: ...CONN R419 100R 1 16W 5 C404 0 1uF 16V C408 0 22uF16V C403 0 1uF 16V R429 NC C413 0 1uF 16V R410 120R 1 16W 5 R431 NC CE 1 SO 2 WP 3 VSS 4 SI 5 SCK 6 HOLD 7 VDD 8 U402 SST25LF020A 33 4C SAE R414 120R 1...

Page 21: ...0 21 22 23 24 25 26 27 28 29 30 CN403 CONN R434 330 OHM 1 4W C419 0 1uF 16V R433 10K 1 16W 5 PANEL_VCC PANEL_VCC CMVCC OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics...

Page 22: ...0K 1 16W 5 Q406 2N3904S RTK PS 1 2 3 4 5 6 7 8 9 CN404 CONN C425 NC R448 NC 4K7 1 16W 5 C422 0 1uF 16V R449 NC C428 0 1uF 16V CMVCC MVCC VCC3 3 VCC3 3 VCC3 3 VCC3 3 VCC3 3 VCC3 3 CMVCC1 VCC1 8 CMVCC1...

Page 23: ...F 1 2 4 3 C911 0 22uF 25V C905 100uF 450V D906 SP10100 1 2 3 R942 1K 1 10W 1 C921 0 0047UF 400V R914 0 22 2W PWPC942SEE1 C 19 LCD B 2 3 Thursday September 27 2007 715G2538 3 02 POWER G2538 3 X X 12 07...

Page 24: ...CB NAME T P V Top Victory Electronics Co Ltd Key Component Q806 PMBS3904 C838 1000pF C820 220pF R815 1 5K 1 10W 1 T801 POWER X FMR 1 4 8 3 7 9 CN803 CONN 1 2 Q805 PDTC144WK R814 1 5K 1 10W 1 R863 NC C...

Page 25: ...01uF SW001 SW 1 3 4 2 DOWN ZD001 NC RLZ36B 1 2 ZD006 MLVS0603M04 1 2 C007 NC 0 001uF Q001 PMBS3904 DC_POWERON R005 4K7 1 10W 5 C004 NC 0 001uF MENU R003 2K 1 10W C009 NC 0 001uF LED_RED ZD002 NC 1 2 G...

Page 26: ...19 LCD Color Monitor AOC 917Sw 26 7 PCB Layout 7 1 Main Board 715G2904 1...

Page 27: ...19 LCD Color Monitor AOC 917Sw 27...

Page 28: ...19 LCD Color Monitor AOC 917Sw 28 7 2 Power Board 715G2538 5...

Page 29: ...19 LCD Color Monitor AOC 917Sw 29...

Page 30: ...19 LCD Color Monitor AOC 917Sw 30 7 3 Key Board 715G2834 1...

Page 31: ...917Sw 31 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 Servi...

Page 32: ...s power key and look if the picture is normal Please reinsert and make sure the AC of 100V 240V is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal Check C423 1...

Page 33: ...rmal Replace U401 Replace X401 Check C423 1 8V U404 Vout 3 3V Check Correspondent component Replace U401 Check X401 oscillate waveform is normal Replace CN 404 Q410 Q409 U404 OK OK OK OK OK NG NG NG N...

Page 34: ...asure Q404 base is low level X401 oscillate waveform is normal Check CN403 is solder and Q405 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Repl...

Page 35: ...ge of C905 Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 Check R932 R933 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than...

Page 36: ...Interface board NG OK Check IC801 PIN12 12V NG OK Change Q808 Check IC801 PIN10 9 have the output of square wave at short NG OK Change IC801 Check Q802 Q803 PIN5 6 7 8 have the output of square wave...

Page 37: ...7 8 2 3 Key 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...

Page 38: ...mp parameter is x 283 30 y 297 30 Y 180cd m2 typ D MEM CHANNEL 10 sRGB color sRGB color temp parameter is x 313 30 y 329 30 Y 230cd m2 3 Into Factory mode of AOC 917Sw Press the MENU button pull out t...

Page 39: ...100 5 Adjust the GREEN on factory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above pro...

Page 40: ...19 LCD Color Monitor AOC 917Sw 40 10 Monitor Exploded View...

Page 41: ...R CORD E08901 089G404A15N IS POWER CORD 2nd source E08901 089G404A15N YH POWER CORD 2nd source 095G8014 6D 39 HARNESS 6P 6P 150MM 0M1G 130 5120 SCREW 0M1G1730 6120 SCREW 42 D020523 0Q1G 330 8120 SCREW...

Page 42: ...C099 04S SOT23 6L U103 056G 662 13 IC AZC099 04S SOT23 6L U402 056G1133 81 WA8MRT9SKQ1 SST25LF020A 33 4C SAE Q404 057G 417 6 PMBS3906 PHILIPS SMT 06 2nd source Q406 057G 417 12 T KEC 2N3904S RTK PS Q4...

Page 43: ...G0402103 RST CHIPR 10 KOHM 5 1 16W R436 061G0402104 RST CHIPR 100 KOHM 5 1 16W R414 061G0402121 RST CHIP 120R 1 16W 5 R410 061G0402121 RST CHIP 120R 1 16W 5 R409 061G0402203 RST CHIP 20K 1 16W 5 R105...

Page 44: ...CER 0 22UF 20 80 C113 065G0402473 12 CHIP 0 047UF 16V X7R C110 065G0402473 12 CHIP 0 047UF 16V X7R C109 065G0402473 12 CHIP 0 047UF 16V X7R C107 065G0402473 12 CHIP 0 047UF 16V X7R C106 065G0402473 12...

Page 45: ...603472 RST CHIPR 4 7K OHM 5 1 10W R005 061G0603472 RST CHIPR 4 7K OHM 5 1 10W SW004 077G 605 1 AL GP SMD SWITCH SW001 077G 605 1 AL GP SMD SWITCH SW002 077G 605 1 AL GP SMD SWITCH SW003 077G 605 1 AL...

Page 46: ...67G215S1024KV EC 105 CAP 1000UF M 25V C915 067G215S4713KV EC 105 CAP 470UF M 16V C803 067G215Y4714HV EC 105 CAP 470UF M 25V C802 067G215Y4714HV EC 105 CAP 470UF M 25V L902 073G 174 65 H LINE FILTER L9...

Page 47: ...E ASS Y 055G 2 ALCOHOL 055G 23524 WELDING FLUX WITHOUT PB Q55G 100625 TIN STICK_LOW ARGENTUM IC801 056G 379 22 IC TL494IDR SOIC 16 IC901 056G 379 71 IC TEA1530AT N2 SO 8 NXP Q902 057G 417 4 PMBS3904 P...

Page 48: ...0 2F RST CHIPR 10K OHM 1 1 10W R833 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R834 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R808 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R813 061G0603100 2F RST CHIPR 1...

Page 49: ...KOHM 5 1 8W R825 061G0805220 RST CHIPR 22 OHM 5 1 8W R829 061G0805220 RST CHIPR 22 OHM 5 1 8W R912 061G0805220 2F RST CHIPR 22 KOHM 1 1 8W R837 061G0805473 RST CHIPR 47K OHM 5 1 8W R810 061G0805510 2F...

Page 50: ...3 0 1UF K 25V X7R C825 065G0603104 22 CAP CHIP 0603 0 1UF K 25V X7R C834 065G0603104 22 CAP CHIP 0603 0 1UF K 25V X7R C815 065G0603222 22 CHIP 2200PF 25V X7R C816 065G0603222 22 CHIP 2200PF 25V X7R C8...

Page 51: ...093G 6432S 1N4148W D801 093G 6433P BAV99 D802 093G 6433P BAV99 D803 093G 6433P BAV99 D804 093G 6433P BAV99 ZD922 093G 39S 25 T RLZ5 1B LLDS ZD921 093G 39S 61 T DIODE RLZ16B ROHM ZD902 093G 39S 61 T DI...

Page 52: ...5 POWER PCB FR 1 160 124MM SS 709G2538 QA001 CONSUMPTIVE ASS Y J905 095G 90 23 JUMPER WIRE 709G2538 QS001 CONSUMPTIVE ASS Y 052G 2191 A PAPER TAPE R932 061G1206682 RST CHIPR 6 8 KOHM 5 1 4W R933 061G1...

Page 53: ...41615 7A 19 LCD AOC CARTON Q45G 88606 16 R PE BAG FOR CLAMP Q45G 88607 72 PE BAG Q50G 4 10 TIE Q52G 1185 99 BIG CARTON TAPE FOR AOC 041G780061554A SERVICE CENTER LIST Q45G 76 28 RN R PE BAG MANUAL Q70...

Page 54: ...H Q41G780A61549C WARRANTY CARD Diversity of T9RSM5NPUWA5NN Compared with T98SM5NBUWA1NN Location Part No Description Remark E08901 089G402A15N IS POWER CORD E08901 089G402A15N YH POWER CORD 2nd source...

Page 55: ...61513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM Q45G 76 28 C R PE BAG FOR MANUAL 040G 459690 5A CARTON LABEL Q40G 19N61580A RATING LABEL Diversity of T9RSM5NQUWA2NN Compared with T98SM5NBUWA...

Page 56: ...RRANTY CARD Q41G780A61593A EASE CARD Q45G 76 28 C R PE BAG FOR MANUAL Q26G 800504 2 BARCODE LABEL FOR 3 Diversity of T9RSM5NQUWA3NN Compared with T98SM5NBUWA1NN Location Part No Description Remark 089...

Page 57: ...056G1133 81 SST25LF020A 33 4C SAE SMTCR U402 100GAMS9000N11 MCU ASS Y 056G1133 81 Q40G 19N61583A RATING LABEL Q44G9094101 EPS Q44G9094201 EPS Q44G9094615 2C 19 LCD AOC CTN 041G780061513B INPUT NOT SU...

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