AOC HP VP17 Service Manual

AOC HP VP17 Service Manual

17" lcd color monitor

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17" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents......................................................1
Revision List........................................................2
1. Monitor Specification...............................................4
2. LCD Monitor Description........................................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.......................................10
4.1. Input Signal Connector.........................................10
4.2. Factory Preset Display Modes...........................11
4.3. Power Supply Requirements...............................11
5. Panel Specification.........................................12
5.1. General Feature...............................................12
5.2. Optical Characteristics....................................13
6. Block Diagram.....................................................14
6.1 Software Flow Chart.......................................14
6.2.Electrical Block Diagram...........................16
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

Page Description
7. Schematic.....................................................18
7.1 Main Board.........................................................18
7.2 Power Board.......................................................22
7.3 Key Board..........................................................25
8.PCB Layout...............................................26
8.1. Main Board.........................................................26
8.2. Power Board........................................................28
8.3. Key Board..........................................................30
9. Maintainability................................................31
9.2. Trouble Shooting...............................................32
9.2.1 Main Board.......................................................32
9.2.2 Power Board...................................................34
9.2.3 Key Board........................................................36
11.Mechanical Instructions.................................39
12. Monitor Exploded View.....................................46
13. BOM List.....................................................47
SAFETY NOTICE
1
HP VP17
Horizontal Frequency
24- 83 kHz
Page

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Summary of Contents for AOC HP VP17

  • Page 1: Table Of Contents

    17" LCD Color Monitor HP VP17 Service Service Service Horizontal Frequency 24- 83 kHz TABLE OF CONTENTS Description Page Description Page 7. Schematic……………........18 Table Of Contents..……......…..1 Revision List.…........……..2 7.1 Main Board..……………........18 7.2 Power Board.….…………........22 1. Monitor Specification......………..4 7.3 Key Board.….…………..…........25 2.
  • Page 2: Revision List

    17" LCD Color Monitor HP VP17 Revision List Version Date Revision History TPV Model Name Dec.-04-07 Initial release T77CMLMMH6HADN...
  • Page 3 HP VP17 Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
  • Page 4: Monitor Specification

    17" LCD Color Monitor HP VP17 1. Monitor Specification...
  • Page 5: Lcd Monitor Description

    17" LCD Color Monitor HP VP17 2. LCD Monitor Description The LCD Monitor will contain main board, power board and a key board which house the flat panel control logic, brightness 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.
  • Page 6: Operation Instruction

    17" LCD Color Monitor HP VP17 3. Operation Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. By changing these settings, the picture can be adjusted to your personal performance.
  • Page 7: Adjusting The Picture

    17" LCD Color Monitor HP VP17 3.3 Adjust the Picture...
  • Page 8 17" LCD Color Monitor HP VP17...
  • Page 9 17" LCD Color Monitor HP VP17...
  • Page 10: Input/Output Specification

    17" LCD Color Monitor HP VP17 4. Input/Output Specification 4.1 Input Signal Connector Signal Signal Red Video 3.3/+5 V (from PC) Green Video Sync Ground Blue Video None None DDC Data Ground (DDC Return) Horizontal Sync Red GND Vertical Sync...
  • Page 11: Factory Preset Display Modes

    17" LCD Color Monitor HP VP17 4.2 Factory 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...
  • Page 12: Panel Specification

    17" LCD Color Monitor HP VP17 5. Panel Specification 5.1 General Feature CLAA170EA07P is 17.0” color TFT-LCD (Thin Film Transistor Liquid Crystal 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”...
  • Page 13: Optical Characteristics

    17" LCD Color Monitor HP VP17 5.2 Optical Characteristics Ta=25℃,VCC=5.0V 5.3 Electrical Characteristics...
  • Page 14: Block Diagram

    17" LCD Color Monitor HP VP17 6. Block Diagram 6. 1 Software Flow Chart...
  • Page 15 17" LCD Color Monitor HP VP17 REMARK: 1) MCU initialize. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 16: Electrical Block Diagram

    17" LCD Color Monitor HP VP17 6.2 Electrical Block Diagram 6.2.1 Main Board LCD Interface Scalar TSUM56AWHL OSD Control Crystal (Include: MCU, ADC, OSD etc) Interface (Keypad) 14.318MHZ EEPROM D-SUB PM25LV010-25 Connector DVI-SIGNAL Connector EEPROM 24C02 EEPROM 24C02...
  • Page 17 17" LCD Color Monitor HP VP17 6.2.2 Inverter / Power Board AC input Bridge Rectifier EMI filter Transformer Rectifier diodes and Filter Start Circuit CN902 Feedback Over Circuit Voltage Control IC Protect ON/OFF Transformer MOSFET Resonance Lamp Over ON/OFF Feedback...
  • Page 18: Schematic

    17" LCD Color Monitor HP VP17 7. Schematic 7.1 Main Board...
  • Page 19 17" LCD Color Monitor HP VP17...
  • Page 20 17" LCD Color Monitor HP VP17...
  • Page 21 17" LCD Color Monitor HP VP17...
  • Page 22: Power Board

    17" LCD Color Monitor HP VP17 7.2 Power Board...
  • Page 23 17" LCD Color Monitor HP VP17...
  • Page 24 17" LCD Color Monitor HP VP17...
  • Page 25: Key Board

    17" LCD Color Monitor HP VP17 7.3 Key Board...
  • Page 26: Pcb Layout

    17" LCD Color Monitor HP VP17 8. PCB Layout 8.1 Main Board...
  • Page 27 17" LCD Color Monitor HP VP17...
  • Page 28: Power Board

    17" LCD Color Monitor HP VP17 8.2 Power Board...
  • Page 29 17" LCD Color Monitor HP VP17...
  • Page 30: Key Board

    17" LCD Color Monitor HP VP17 8.3 Key Board 715G2558 2 715G2283 1 P...
  • Page 31: Maintainability

    17" LCD Color Monitor HP VP17 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. Service Manual. 8. User Manual.
  • Page 32: Trouble Shooting

    17" LCD Color Monitor HP VP17 9.2 Trouble Shooting 9.2.1 Main Board 1、No power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the power section Measure U701 PIN2=3.3V...
  • Page 33 17" LCD Color Monitor HP VP17 No picture (LED is orange) No picture Measure U701 PIN2=3.3V; U702 PIN2 = 1.8V Replace U702, U701 X201 oscillate waveforms are normal Replace X201 Check if the sync signal from computer is output and video cable...
  • Page 34: Power Board

    17" LCD Color Monitor HP VP17 Panel Power Circuit Check the PPWR panel power relative circuit, Q301, Q302 Check CN301 PIN 1-2 should have In normal operation, when LED =green, response from 0V to 5V When we Should =5 V,...
  • Page 35 17" LCD Color Monitor HP VP17 2. W/LED No Backlight Check C802 (+) =12V Check D906, F801 Check ON/OFF signal Check Interface board Check IC801 pin12=12V ? Change Q805 or Q806 Check the pin5 of IC801 have saw tooth wave Change IC801 Check Q802 D /Q803 D has the output of square wave at short time.
  • Page 36: Key Board

    17" LCD Color Monitor HP VP17 9.2.3 Key Board OSD is unstable or not working Is Keypad board connecting normally? Connect Keypad Board Is Button Switch normally? Replace Button Switch Replace Keypad Board Is Keypad board normally? Check main board...
  • Page 37: White-Balance, Luminance Adjustment

    6500K color temp. parameter is x = 313±15, y = 329 ±15, Y>230 cd/m 3. Into factory mode of HP 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.
  • Page 38 17" LCD Color Monitor HP VP17 B. Adjust sRGB color-temperature 1. Switch the chroma-7120 to sRGB channel. 2. The chroma 7120 will show x = 313 ±15, y = 329 ±15, Y >230 cd/m 3. Switch the chroma 7120 l to RGB MODE ( with press “MODE” button to change ) 4.
  • Page 39: Mechanical Instructions

    17" LCD Color Monitor HP VP17 11. Mechanical Instructions Step Figure Description Lay the monitor on a Preparation flat, soft and clean surface.
  • Page 40 17" LCD Color Monitor HP VP17 Remove the decorate cover Remove and the screws to stand remove the stand.
  • Page 41 17" LCD Color Monitor HP VP17 Remove the Remove the back cover back cover...
  • Page 42 17" LCD Color Monitor HP VP17 Remove the Remove the screws to bezel remove the bezel...
  • Page 43 17" LCD Color Monitor HP VP17 1、Remove the screws Remove the marked in red main frame and to remove the main frame...
  • Page 44 17" LCD Color Monitor HP VP17 1、 Remove Remove panel panel...
  • Page 45 17" LCD Color Monitor HP VP17 1.Remove the screws marked in red to remove the main board, Remove power baord, main board and power board 2.Disconnect the connector and remove the power board and main board. The machine The end...
  • Page 46: Monitor Exploded View

    17" LCD Color Monitor HP VP17 12. Monitor Exploded View...
  • Page 47: Bom List

    17" LCD Color Monitor HP VP17 13. BOM List T77CMLMMH6HADN Location Part No. Description 023G3178690 6A LOGO 040G 581 26704 SHIPPING LABEL 044G6002716 9A PAPER BOARD 044G9003214 CORNER PAPER 052G 1185 MIDDLE TAPE 052G 1186 SMALL TAPE 052G 1211 A...
  • Page 48 17" LCD Color Monitor HP VP17 CN301 033G801930F H FPC CONN. 1.0MM 30P 040G 45762412B CBPC LABEL R402 061G152M339 64 CHIPR 3.3 OHM +-5% 2W C202 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C220 067G215V100 7R LOW E.S.R 10UF +/-20% 50V...
  • Page 49 17" LCD Color Monitor HP VP17 R104 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R108 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R110 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R111 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R113 061G0402101...
  • Page 50 17" LCD Color Monitor HP VP17 R405 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R118 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R219 061G0402104 RST CHIPR 100 KOHM +-5% 1/16W R125 061G0402104 RST CHIPR 100 KOHM +-5% 1/16W R105 061G0402202...
  • Page 51 17" LCD Color Monitor HP VP17 C203 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C204 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C205 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C206 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
  • Page 52 17" LCD Color Monitor HP VP17 C109 065G0402473 12 CHIP 0.047UF 16V X7R C101 065G0402473 12 CHIP 0.047UF 16V X7R C105 065G0402473 12 CHIP 0.047UF 16V X7R C107 065G0402473 12 CHIP 0.047UF 16V X7R C104 065G0402509 31 CHIP 5PF 50V NPO...
  • Page 53 17" LCD Color Monitor HP VP17 CN004 033G8032 4C WAFER SW005 077G 607 1 FD TACT SWITCH LED001 081G 14 20 AV LED AQUA WHITE / AMBER ZD005 093G 39S 34 T UDZSNP5.6B ROHM ZD007 093G 39S 34 T UDZSNP5.6B ROHM...
  • Page 54 17" LCD Color Monitor HP VP17 C902 065G305M1022BP Y2 1000PF M 250VAC Y5P C900 065G306M4722BP 4700PF +-20% 400VAC C907 067G 31512115K EC 120UF 450V 20*40MM C802 067G215D4714KV E.C 105℃ CAP 470UF M 25V ED SERIES C803 067G215D4714KV E.C 105℃ CAP 470UF M 25V ED SERIES...
  • Page 55 17" LCD Color Monitor HP VP17 Q804 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q812 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q810 057G 759 2 RK7002 Q809 057G 759 2 RK7002 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5B PDTC144WK SOT346 Q803 057G 763 14...
  • Page 56 17" LCD Color Monitor HP VP17 R803 061G0603564 RST CHIPR 560 KOHM +-5% 1/10W R606 061G0603622 RST CHIPR 6.2 KOHM +-5% 1/10W R607 061G0603622 RST CHIPR 6.2 KOHM +-5% 1/10W R841 061G0603680 2F RST CHIPR 68 KOHM +-1% 1/10W R854...
  • Page 57 17" LCD Color Monitor HP VP17 R935 061G1206101 100 1206 R961 061G1206101 100 1206 R962 061G1206101 100 1206 R941 061G1206102 RST CHIPR 1 KOHM +-5% 1/4W R944 061G1206102 RST CHIPR 1 KOHM +-5% 1/4W R945 061G1206102 RST CHIPR 1 KOHM +-5% 1/4W...
  • Page 58 17" LCD Color Monitor HP VP17 C848 065G0805102 31 1000PF 50V NPO C932 065G0805102 32 CHIP 1000P 50VX7R 0805 C928 065G0805103 32 10NF/50V/0805/X7R C930 065G0805104 32 CHIP 0.1U 50V X7R C924 065G0805104 32 CHIP 0.1U 50V X7R C916 065G0805104 32 CHIP 0.1U 50V X7R...
  • Page 59 17" LCD Color Monitor HP VP17 CN901 006G 31500 EYELET T901 006G 31502 1.5MM RIVET NR901 006G 31502 1.5MM RIVET IC904 056G 158 12 KIA431A-AT/P TO-92 C938 065G 1K152 1T 1.5NF/1KV Z5F+-10% C906 065G 2K152 1T GP CERAMIC CAP C604 067G 2151014RT EC 105℃...

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