AOC HP VP17 Service Manual Download Page 36 | Manualshive

Page: 36 / 59

AOC HP VP17 Service Manual Download Page 36

17" LCD Color Monitor HP VP17

36

9.2.3 Key Board

OK

OK

OSD is unstable or not working

Is Keypad board connecting normally?

Is Button Switch normally?

Is Keypad board normally?

Check main board

Connect Keypad Board

Replace Button Switch

Replace Keypad Board

NG

NG

NG

OK

«
...
34
35
36
37
38
...
»

Summary of Contents for HP VP17

Page 1: ...neral Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 10 4 1 Input Signal Connector 10 4 2 Factory Preset Display Modes 11 4 3 Power Supply Requirements 11...

Page 2: ...17 LCD Color Monitor HP VP17 2 Revision List Version Date Revision History TPV Model Name A00 Dec 04 07 Initial release T77CMLMMH6HADN...

Page 3: ...racteristics 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 imp...

Page 4: ...17 LCD Color Monitor HP VP17 4 1 Monitor Specification...

Page 5: ...ss 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 Video signal DDC Power Board Include adapter board...

Page 6: ...ttons are located at front of the panel By changing these settings the picture can be adjusted to your personal performance The power cord should be connected and insert to adaptor Connect the video c...

Page 7: ...17 LCD Color Monitor HP VP17 7 3 3 Adjust the Picture...

Page 8: ...17 LCD Color Monitor HP VP17 8...

Page 9: ...17 LCD Color Monitor HP VP17 9...

Page 10: ...tor layout PIN 1 PIN 5 PIN 11 Pin Signal Pin Signal Pin Signal 1 TMDS Data 2 9 TMDS Data 1 17 TMDS Data 0 2 TMDS Data 2 10 TMDS Data 1 18 TMDS Data 0 3 TMDS Data 2 4 Shield 11 TMDS Data 1 3 Shield 19...

Page 11: ...tory Preset Display Modes 4 3 Power Supply Requirements Parameter Range AC Input Voltage 90 to 265V AC Input Frequency 45 to 63 Hz Inrush Current 50A MAX AT 220VAC and 30A AT 120VAC Leakage Current 5...

Page 12: ...tal Display module composed of LCD panel driver ICs control circuit and backlight By applying 8 bit digital data 1280 1024 16 2M color images are displayed on the 17 0 diagonal screen Input power volt...

Page 13: ...17 LCD Color Monitor HP VP17 13 5 2 Optical Characteristics Ta 25 VCC 5 0V 5 3 Electrical Characteristics...

Page 14: ...17 LCD Color Monitor HP VP17 14 6 Block Diagram 6 1 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...

Page 15: ...n the LED and set it to green color Scalar initialize 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 int...

Page 16: ...6 2 Electrical Block Diagram 6 2 1 Main Board LCD Interface Scalar TSUM56AWHL Include MCU ADC OSD etc OSD Control Interface Keypad D SUB Connector EEPROM 24C02 Crystal 14 318MHZ EEPROM PM25LV010 25 DV...

Page 17: ...02 DIM EMI filter Bridge Rectifier and Filter Start Circuit PWM Control IC Transformer Rectifier diodes AC input 12V ON OFF Control PWM Control IC Feedback Circuit LC Resonance Transformer MOSFET Over...

Page 18: ...17 LCD Color Monitor HP VP17 18 7 Schematic 7 1 Main Board...

Page 19: ...17 LCD Color Monitor HP VP17 19...

Page 20: ...17 LCD Color Monitor HP VP17 20...

Page 21: ...17 LCD Color Monitor HP VP17 21...

Page 22: ...17 LCD Color Monitor HP VP17 22 7 2 Power Board...

Page 23: ...17 LCD Color Monitor HP VP17 23...

Page 24: ...17 LCD Color Monitor HP VP17 24...

Page 25: ...17 LCD Color Monitor HP VP17 25 7 3 Key Board...

Page 26: ...17 LCD Color Monitor HP VP17 26 8 PCB Layout 8 1 Main Board...

Page 27: ...17 LCD Color Monitor HP VP17 27...

Page 28: ...17 LCD Color Monitor HP VP17 28 8 2 Power Board...

Page 29: ...17 LCD Color Monitor HP VP17 29...

Page 30: ...17 LCD Color Monitor HP VP17 30 8 3 Key Board 715G2558 2 715G2283 1 P...

Page 31: ...VP17 31 9 Maintainability 9 1Equipments and Tools Requirement 1 Multi meter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Servi...

Page 32: ...e picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section X201 oscillate waveforms are normal Measure U701 PIN2 3 3V U702 PIN2 1 8V Measure CN40...

Page 33: ...K NG X201 oscillate waveforms are normal Replace X201 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Repla...

Page 34: ...301 Q302 In normal operation when LED green Should 5 V If PPWR no response when the power switch Turn on and turn off replace the U401 TSUM56AWHL LF OK NG Check AC line volt 110V or 220V OK Check AC l...

Page 35: ...801 pin12 12V NG OK Change Q805 or Q806 Check the pin5 of IC801 have saw tooth wave NG OK Change IC801 Check Q802 D Q803 D has the output of square wave at short time NG OK Check Q801 Q804 Q811 Q812 C...

Page 36: ...9 2 3 Key Board OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Switch...

Page 37: ...P VP17 Turn on power press the down button pull out the power cord and then plug the power cord Then the factory OSD will be at the left top of the panel 4 Bias adjustment Set the Contrast to 80 Adjus...

Page 38: ...procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 2 C Adjust 6500k color temperature 1 Switch the chroma 7120 to 6500K channel 2 The chroma 7120 will show x 313 15 y 329 15 Y 23...

Page 39: ...17 LCD Color Monitor HP VP17 39 11 Mechanical Instructions Step Figure Description Preparation Lay the monitor on a flat soft and clean surface...

Page 40: ...17 LCD Color Monitor HP VP17 40 Remove the stand Remove the decorate cover and the screws to remove the stand...

Page 41: ...17 LCD Color Monitor HP VP17 41 Remove the back cover Remove the back cover...

Page 42: ...17 LCD Color Monitor HP VP17 42 Remove the bezel Remove the screws to remove the bezel...

Page 43: ...17 LCD Color Monitor HP VP17 43 Remove the main frame 1 Remove the screws marked in red and to remove the main frame...

Page 44: ...17 LCD Color Monitor HP VP17 44 Remove the panel 1 Remove the panel...

Page 45: ...P VP17 45 Remove main board and power board 1 Remove the screws marked in red to remove the main board power baord 2 Disconnect the connector and remove the power board and main board The end The mach...

Page 46: ...17 LCD Color Monitor HP VP17 46 12 Monitor Exploded View...

Page 47: ...G1730 6120 SCREW 0M1G1740 8120 SCREW FOR STD MF 42 D020715 0Q1G 330 8120 SCREW 3X8MM 42A9930017 42 D002093 0Q1G 330 10120 SCREW FOR FP RC 42 D003792 705GQ734029 BEZEL 17 ASS Y E07801 078G 311 13 YL SP...

Page 48: ...34 M24C02 WMN6TP U101 056G1133 34 M24C02 WMN6TP U402 056G1133713 LHPMKP7CAQ1 IC PM25LV010A 100SCE SOIC 8 Q101 057G 417 12 T KEC 2N3904S RTK PS Q201 057G 417 12 T KEC 2N3904S RTK PS Q205 057G 417 12 T...

Page 49: ...2101 RST CHIPR 100 OHM 5 1 16W R406 061G0402102 RST CHIPR 1 KOHM 5 1 16W R123 061G0402103 RST CHIPR 10 KOHM 5 1 16W R132 061G0402103 RST CHIPR 10 KOHM 5 1 16W R137 061G0402103 RST CHIPR 10 KOHM 5 1 16...

Page 50: ...16W R124 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R121 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R120 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R304 061G0402473 RST CHIPR 47 KOHM 5 1 16W R216 061G0402560 RST...

Page 51: ...6V X5R C401 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C302 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C301 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C231 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C229 065G...

Page 52: ...93G 64 33 DIO SIG SM BAV99 PHSE R D116 093G 64 33 DIO SIG SM BAV99 PHSE R D115 093G 64 33 DIO SIG SM BAV99 PHSE R D114 093G 64 33 DIO SIG SM BAV99 PHSE R D113 093G 64 33 DIO SIG SM BAV99 PHSE R D112 0...

Page 53: ...03302 RST CHIPR 3 KOHM 5 1 10W C002 065G0603102 32 1000PF 10 50V X7R C001 065G0603102 32 1000PF 10 50V X7R C004 065G0603104 32 CHIP 0 1UF 50V X7R C005 065G0603104 32 CHIP 0 1UF 50V X7R C006 065G060310...

Page 54: ...T12H016 CN901 087G 501 32 S AC SOCKET CN601 088G 30214K PHONE JACK 5PIN BD901 093G 50460510 2KBP08M 2A 800V CN902 095G801410D565 WIRE HARNESS 705GQ761008 R914 ASS Y R914 061G152M438 64 RST MOFR 0 43OH...

Page 55: ...RST CHIPR 1 KOHM 1 1 10W R801 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R817 061G0603100 2F RST CHIPR 10 KOHM 1 1 10W R828 061G0603100 2F RST CHIPR 10 KOHM 1 1 10W R832 061G0603100 2F RST CHIPR 10 KOHM...

Page 56: ...8W R943 061G0805102 RST CHIPR 1KOHM 5 1 8W R938 061G0805103 10 KOHM 1 10W R924 061G0805150 0F RST CHIPR 150 OHM 1 1 8W R825 061G0805220 22 8 1 10W R829 061G0805220 22 8 1 10W R839 061G0805220 22 8 1...

Page 57: ...4 RST CHIPR 680 KOHM 5 1 4W R900 061G1206684 RST CHIPR 680 KOHM 5 1 4W C611 065G0603101 31 CER1 0603 NP0 50V 100P PM5 R C610 065G0603101 31 CER1 0603 NP0 50V 100P PM5 R C807 065G0603104 22 CHIP 0 1UF...

Page 58: ...065G1206102 72 CHIP 1000PF 500V X7R C912 065G1206102 72 CHIP 1000PF 500V X7R C910 065G1206104 32 CHIP 0 1UF 25V X7R 1206 D811 093G 6432S IN4148W D810 093G 6432S IN4148W D813 093G 6432S IN4148W D916 0...

Page 59: ...0V WICKMANN F901 084G 55 7W FUSE 3 15A 250V WICKMANN D900 093G 6026T52T RECTIFIER DIODE FR107 D901 093G 6038P52T PS102R 715G2541 1 POWER BOARD PCB HS5 Q85G0002 1 SHIELD_MAIN Q90G6295 3 HEAT SINK L903...

Reviews:

No comments