AOC 716Vwy, Service Manual

Page 1: ...on 5 3 Operation Instruction 6 3 1 General Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 9 4 1 Input Signal Connector 9 4 2 Power Supply Requirement 10 4 3 Factory Preset Display Modes 10 4 4 Panel Specification 11 5 Block Diagram 13 5 1 Software Flow Chart 13 5 2 Electrical Block Diagram 16 6 Schematic 17 6 1 Main Board 17 6 2 Power Board 22 7 PCB La...

Page 2: ...17 LCD Color Monitor AOC 716Vwy 2 Revision List Revision Date Revision History TPV Model A00 Jul 13 07 First Version Release T77HRTNQMWAC8N ...

Page 3: ...characteristics 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 implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CAU...

Page 4: ...ignal Analog 0 7Vp p standard 75 OHM Positive Sync Type H V TTL H Frequency 55 5 kHz 70 6 kHz Input V Frequency 60 Hz 75 Hz ON Mode 37W Power Consumption OFF Mode 2W Contrast Ratio 600 1 Dot Clock 135 MHz White Luminance 300cd m 2 Max Resolution 1440 x 900 60 Hz Display Color 16 2M colors Plug Play VESA DDC2B TM Power Source 100 240VAC 47 63Hz Weight monitor only 3 1 kg Environmental Consideration...

Page 5: ...ness 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 Monitor Block Diagram AC IN 100V 240V Power Board Include adapter inverter Flat Panel and CCFL backlight RS232 Connector For white balance adjustment in factory mode CCFL Drive Video signal DDC Key Board HOST Computer Main Board ...

Page 6: ...ont panel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor the power indicator will light up 3 2 Control Buttons 1 Auto Config 2 Eco Mode down 3 Up 4 Menu Enter 5 Power Button Indicator ...

Page 7: ...d function is highlighted press MENU button to activate it Press or to change the settings of the selected function To exit and save select the exit function If you want to adjust any other function repeat steps 2 3 OSD Lock Function To lock the OSD press and hold the MENUbutton while the monitor is off and then press power button to turn the monitor on To un lock the OSD press and hold the MENUbu...

Page 8: ...17 LCD Color Monitor AOC 716Vwy 8 ...

Page 9: ...17 LCD Color Monitor AOC 716Vwy 9 4 Input output Specification 4 1 Input Signal Connector D SUB connector DVI connector ...

Page 10: ...ncy range 50 3Hz 60 3Hz Current TBD Peak surge current 55A peak at 240 VAC and cold starting Leakage current 3 5mA Power line surge No advance effects no loss of information or defect with a maximum of 1 half wave missing per second DC output Voltage 12VDC 5 Current max 3 5 Amp 12V 4 3 Factory Preset Display Modes ...

Page 11: ... a driving circuit and a back light system This TFT LCD has a 17 0 inch diagonally measured active display area with XGA resolution 900 vertical by 1440 horizontal pixel array and can display up to 16 2M 6 bit FRC colors 4 4 1 Features _ 17 0 WXGA for Monitor application _ High Resolution 1440 900 _ 2 ch LVDS interface system _ LCD Timing Controller _ Wide Viewing Angle _ RoHS compliance 4 4 2 Dis...

Page 12: ...acklight Unit 4 4 4 Optical Characteristics Measuring Condition _ Measuring surrounding dark room _ Lamp current IBL 7 5 0 1mA lamp freq FL 50 KHz Inverter TDK TBD315NR 1 _ VDD 5 0V fV 60Hz _ Ambient temperature 25 2oC _ 30min Warm up time ...

Page 13: ...17 LCD Color Monitor AOC 716Vwy 13 5 Block Diagram 5 1 Software Flow Chat 1 2 N Y 5 Y N 1 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 14: ...the 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 interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappear 17 Program t...

Page 15: ...5 2 1 Main Board CN302 DVI Connector Digital Video Signal U401 MCU RTD2120L LF U501 Scalar IC RTD2525LH Include ADC OSD U403 EEPROM AF24BC16 CN301 D Sub Connector H sync V sync RGB EPR_SDA EPR_SCL LCD Interface CN601 Key Board Control CN202 X401 Crystal 24MHz CLKOUT ...

Page 16: ...DIM DIM EMI filter Start Circuit R904 R932 R933 PWM Control IC Transformer AC input 12V ON OFF Control PWM Control IC Feedback Circuit Output Circuit Transformer MOSFET Over Voltage Lamp ON OFF 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes CN902 ...

Page 17: ...17 LCD Color Monitor AOC 716Vwy 17 6 Schematic 6 1 Main Board ...

Page 18: ...17 LCD Color Monitor AOC 716Vwy 18 ...

Page 19: ...17 LCD Color Monitor AOC 716Vwy 19 ...

Page 20: ...17 LCD Color Monitor AOC 716Vwy 20 ...

Page 21: ...17 LCD Color Monitor AOC 716Vwy 21 ...

Page 22: ...54MR R905 NC ZD902 RLZ13B R961 100 1 4W C929 0 001uF R912 220 1 4W R942 1K 1 10W 1 R946 1K 1 4W C903 0 47uF 275V C938 1500pF 1KV ZD922 RLZ5 1B 1 2 CN901 SOCKET 1 2 3 HS4 HEAT SINK 1 2 C922 470uF25V 67G215D4714KV R943 1K 1 8W R945 1K 1 4W VOL HS2 HEAT SINK D906 1 2 VAR901 Varistor IC904 KIA431A AT P G2545 1 X X 6 070711 L903 1 1uH R930 2 43K 1 1 10W 5V R932 300K 1 4W Q903 PMBS3904 ON OFF C901 0 001...

Page 23: ...RL REF 2IN 2IN F801 0R05 1 4W D817 LL4148WP C823 0 0022uF R835 1M 1 10W 5 D806 LL4148WP R827 1K 1 10W 1 R839 22R 1 8W Q812 PMBS3906 1 2 3 Q813 NC C802 470uF25V 67G215D4714KV R814 1K 1 10W 1 Q808 PDTA144WK C807 0 1uF 25V R821 1K 1 10W 1 D807 LL4148WP pin15 R804 100 1 8W Q807 NC R853 68K 1 10W R855 33 1 4W D811 NC C824 0 1uF Q802 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D C846 NC R817 10K 1 10W R...

Page 24: ...pF 65G0603101 31 C106 PWPC721HSY1 R106 5K1 1 10W C101 0 47uF 16V 65G0603474 12 VOL G2545 1 X X 6 070625 C109 1uF 25V 65G0805105 22 FB102 BEAD 71G 55 9 T 1 2 C102 0 47uF 16V 65G0603474 12 LOUT C111 100pF 65G0603101 31 5V C107 5V CN101 PHONEJACK 88G 30214K DC 1 5 2 4 3 R102 10K 1 10W 5 61G0603103 R104 10K 1 10W 5 61G0603103 R101 10K 1 10W 5 61G0603103 MUTE 12 29 modify R108 1R 1 4W 1 4 IIYAMA 17W Cu...

Page 25: ...17 LCD Color Monitor AOC 716Vwy 25 7 PCB Layout 7 1 Main Board ...

Page 26: ...17 LCD Color Monitor AOC 716Vwy 26 ...

Page 27: ...17 LCD Color Monitor AOC 716Vwy 27 7 2 Power Board ...

Page 28: ...17 LCD Color Monitor AOC 716Vwy 28 7 3 Key Board ...

Page 29: ...OC 716Vwy 29 8 Maintainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with and Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual ...

Page 30: ...key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U201 PIN2 3V Q502 C 1 8V Reinsert or check the Adapter Inverter section X401 oscillate waveforms are normal Check U201 Q502 Check U401 Replace X401 OK OK OK NG NG NG NG Replace U501 Replace U401 OK NG ...

Page 31: ...o picture The button if under control Measure U201 PIN2 3V Q502 C 1 8V X401 oscillate waveform is normal Check U201 Q502 OK OK OK NG Check HS VS from CN301 is normal Replace X401 Check Correspondent component NG NG Check U401 Replace U501 OK OK NG Replace U401 ...

Page 32: ...form is normal Check Q601 Q602 is broken or CN601 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal Measure Q602 base is low level Replace U501 Replace U401 OK NG ...

Page 33: ...fied circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R904 R932 R933 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check IC901 2 Check IC901 over current protect circuit OK OK NG Check Q903 D906 D905 ZD902 ZD922 IC903 IC904 D907 and T901 OK Check IC901 pin8 PWM wave OK Check D903 Q901 and change IC901 NG NG NG OK NG ...

Page 34: ...MB Check ON OFF signal Check Interface board NG OK Check IC801 pin12 5V NG OK Change ON OFF SINGLE NG OK Check IC801 NG OK Check Q801 Q804 Q811 Q812 Check the output of PT801 Check connecter lamp OK NG Check PT801 Check Q802 G wave Check IC801 PIN9 10 have the output of square wave at short time ...

Page 35: ...35 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 Pad Board Y N Y Check Main Board ...

Page 36: ...y OSD will be at the left top of the panel 4 Bias adjustment Set the Contrast to 50 Adjust the Brightness to 80 5 Gain adjustment Move cursor to F and press MENU key A Adjust Warm 6500K color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 2...

Page 37: ...hroma 7120 RGB value meet the tolerance 100 2 D Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 10 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 20 Y 180cd m 2 4 Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the G...

Page 38: ...Monitor AOC 716Vwy 38 10 Monitor Exploded View Item Description 15 SCREW 14 HINGE 12 SCREW 11 SCREW 10 RUBBER FOOT 9 CABLE COVER 8 BASE 7 STAND 6 HINGE 5 REAR COVER 4 MAIN FRAME 3 KEY BUTTON 2 POWER LENS 1 BEZEL 17 ...

Page 39: ...G 1211 A 165MINIUM TAPE 070GHDCP500HDC HDCP CODE 078G 322 7 G SPEAKER 4 OHM 1 5W L 260 MM 43X18MM 089G 17356C554 AUDIO CABLE 089G 725CAA DB D SUB 089G179S30N 9A FFC CABLE 089G402A15NIS1 POWER CORD 095G8014 6D 41 HARNESS 6P 6P 170MM 0M1G 130 5120 SCREW 0M1G 340 8 47 CR3 SCREW 0M1G1730 6120 SCREW 0Q1G 930 14 47 CR3 SCREW 0Q1G1030 8120 SCREW 705GQ734327 STAND ASS Y 0M1G1740 10225 CR3 SCREW A34G0046 A...

Page 40: ... 4 PMBS3904 PHILIPS SMT 04 Q401 057G 417 4 PMBS3904 PHILIPS SMT 04 Q301 057G 417 4 PMBS3904 PHILIPS SMT 04 Q204 057G 417 6 PMBS3906 PHILIPS SMT 06 Q205 057G 417 6 PMBS3906 PHILIPS SMT 06 Q602 057G 417 6 PMBS3906 PHILIPS SMT 06 Q501 057G 417 22 T TRA KN2907AS 60V 0 6A SOT 23 Q502 057G 417 22 T TRA KN2907AS 60V 0 6A SOT 23 Q601 057G 763 1 A03401 SOT23 BY AOS A1 R302 061G0402000 RST CHIPR 0 OHM 5 1 1...

Page 41: ...53 061G0402102 RST CHIPR 1 KOHM 5 1 16W R454 061G0402102 RST CHIPR 1 KOHM 5 1 16W R503 061G0402102 RST CHIPR 1 KOHM 5 1 16W R407 061G0402103 RST CHIPR 10 KOHM 5 1 16W R406 061G0402103 RST CHIPR 10 KOHM 5 1 16W R405 061G0402103 RST CHIPR 10 KOHM 5 1 16W R438 061G0402103 RST CHIPR 10 KOHM 5 1 16W R436 061G0402103 RST CHIPR 10 KOHM 5 1 16W R425 061G0402103 RST CHIPR 10 KOHM 5 1 16W R416 061G0402103 R...

Page 42: ...1 8W C401 065G0402100 31 CAP 0402 10PF J 50V NPO C411 065G0402100 31 CAP 0402 10PF J 50V NPO C602 065G0402103 22 CHIP 0 01UF 25V X7R C404 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C603 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C507 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C506 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C503 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C501 065G0402104 15 MLCC 0402 0 1UF K...

Page 43: ...8151 5Y CHIP BEAD 1608 150 OHM 25 FB501 071G1608151 5Y CHIP BEAD 1608 150 OHM 25 D402 093G 64 42 PP BAV70 SOT 23 D314 093G 6433S DIODE BAV99 SEMTECH D311 093G 6433S DIODE BAV99 SEMTECH D309 093G 6433S DIODE BAV99 SEMTECH D308 093G 6433S DIODE BAV99 SEMTECH D307 093G 6433S DIODE BAV99 SEMTECH D301 093G 6433S DIODE BAV99 SEMTECH D302 093G 6433S DIODE BAV99 SEMTECH D303 093G 6433S DIODE BAV99 SEMTECH...

Page 44: ... 275VAC ARCO C801 065G 3J1506ET 15PF 5 CC45SL 3KV TDK C902 065G305M1022BP Y2 1000PF M 250VAC Y5P C901 065G305M1022BP Y2 1000PF M 250VAC Y5P C921 065G306M3322BP 3300PF 20 C907 067G 40Z10115K CAP 105 100UF M 450V C922 067G215D4714KV E C 105 CAP 470UF M 25V ED SERIES C802 067G215D4714KV E C 105 CAP 470UF M 25V ED SERIES C918 067G215D6814KV CAP 105 680UF M 25V C917 067G215D6814KV CAP 105 680UF M 25V C...

Page 45: ...3 061G0603000 RST CHIPR 0 OHM 5 1 10W R926 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R827 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R824 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R822 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R821 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R818 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R814 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R808 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R8...

Page 46: ...T CHIPR 1KOHM 5 1 8W R943 061G0805102 RST CHIPR 1KOHM 5 1 8W R826 061G0805102 RST CHIPR 1KOHM 5 1 8W R938 061G0805103 10 KOHM 1 10W R924 061G0805151 RST CHIPR 150 OHM 5 1 8W R825 061G0805220 22 8 1 10W R829 061G0805220 22 8 1 10W R839 061G0805220 22 8 1 10W R850 061G0805220 22 8 1 10W R837 061G0805473 RST CHIPR 47 KOHM 5 1 8W R810 061G0805510 2F RST CHIPR 51 KOHM 1 1 8W F801 061G1206000 RST CHIPR ...

Page 47: ...V X7R C103 065G0603474 12 MLCC 0603 0 47UF K 16V X7R C105 065G0603474 12 MLCC 0603 0 47UF K 16V X7R C106 065G0603474 12 MLCC 0603 0 47UF K 16V X7R C107 065G0603474 12 MLCC 0603 0 47UF K 16V X7R C839 065G0805102 31 1000PF 50V NPO C932 065G0805102 31 1000PF 50V NPO C838 065G0805102 31 1000PF 50V NPO C928 065G0805103 32 10NF 50V 0805 X7R C930 065G0805104 32 CHIP 0 1U 50V X7R C924 065G0805104 32 CHIP ...

Page 48: ...207KT CAP 105 22UF M 50V KINGNICHI FB102 071G 55 9 T FERRITE BEAD FB801 071G 55 9 T FERRITE BEAD FB901 071G 55 29 FERRITE BEAD F901 084G 55 7W FUSE 3 15A 250V WICKMANN F903 084G 56 4W FUSE 4 0A 250V D900 093G 6026T52T RECTIFIER DIODE FR107 D901 093G 6038T52T FR103 715G2545 1 POWER BOARD PCB Q90G6093 2 HEAT SINK L901 S73G17476V FILTER Q07G 8 2 2 COMPOUND PALLET Q40G 17N61572A RATING LABEL Q40G00026...