AOC HP L1706 TSU16AK A01 Service Manual

AOC HP L1706 TSU16AK A01 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...............................................3
2. LCD Monitor Description........................................4
3. Operation Instruction............................................5
3.1. General Instructions.........................................5
3.2. Control Button......................................................5
3.3 Adjusting the Picture..........................................6
4. Input/Output Specification.......................................7
4.1. Input Signal Connector.........................................7
4.2. Factory Preset Display Modes...........................7
4.3. Power Supply Requirements...............................8
5. Panel Specification.........................................9
5.1. General Feature...............................................9
5.2. Optical Characteristics....................................10
6. Block Diagram.....................................................12
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
6.1. Monitor Exploded View...................................12
6.2 Software Flow Chart......................................13
6.3. Electrical Block Diagram...........................15
7. Schematic.....................................................18
7.1 Main Board....................................................18
7.2 Power Board...............................................24
8.PCB Layout.....................................................26
8.1. Main Board.................................................26
8.2. Power Board..........................................28
8.3. Key Board...............................................31
9. Maintainability................................................32
9.2. Trouble Shooting.......................................33
11. BOM List........................................................40
12. Different Parts List..............................................53
SAFETY NOTICE
1
HP L1706
Horizontal Frequency
30- 83 kHz
Page

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Summary of Contents for AOC HP L1706 TSU16AK A01

  • Page 1: Table Of Contents

    17" LCD Color Monitor HP L1706 Service Service Service Horizontal Frequency 30- 83 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……......…..1 6.1. Monitor Exploded View…………………..…..12 Revision List.…........……..2 6.2 Software Flow Chart……………………….……….13 1. Monitor Specification......………..3 6.3. Electrical Block Diagram……………..…..15 2.
  • Page 2: Revision List

    17" LCD Color Monitor HP L1706 Revision List Version Date Revision History TPV Model Name T76SM4DTAKHPNE T76SM4DTAKHANE T76SM4DDAKHANE T76SM4DBAKHPNE Apr.-04-2007 first release T76SM4DBAKHANE T76SM4DLAKHPNE T76SM4DDAKHPNE T76SM4DPAKHPNE T76CM4DPAKHPNE May.-21-2007 Add TPVDW Model in Item 12 T784KC4DKHHANPE...
  • Page 3: Monitor Specification

    17" LCD Color Monitor HP L1706 1. Monitor Specification Driving system TFT Color LCD Panel LTM170EU-L11 Size 43.2cm(17.0") Pixel pitch 0.264mm( H )x 0.264mm( V ) LCD Panel Viewable angle 140˚ (H) 130˚ (V) Response time (typ.) 16 ms Brightness Contrast 400:1 Video...
  • Page 4: Lcd Monitor Description

    17" LCD Color Monitor HP L1706 2. LCD Monitor Description The LCD Monitor will contain main board, power board, key board and an audio 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 5: Operation Instruction

    17" LCD Color Monitor HP L1706 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. The power cord should be connected and insert to adaptor.
  • Page 6: Adjusting The Picture

    17" LCD Color Monitor HP L1706 3.3 Adjust the Picture Brightness Adjust the brightness. Contrast Adjust the contrast Adjust the: Auto Adjustment: Adjusts the main settings and produces a stable, centered image. Image H-Position: horizontal position of the screen image. Control V-Position: vertical position of the screen image.
  • Page 7: Input/Output Specification

    17" LCD Color Monitor HP L1706 4. Input/Output Specification 4.1 Input Signal Connector Signal Signal Red Video +5 V (from PC) Green Video Ground Blue Video Ground Ground DDC-serial Data Detect Cable Horizontal Sync Red GND Vertical Sync Green GND DDC-serial Clock Blue GND VGA connector layout...
  • Page 8: Power Supply Requirements

    17" LCD Color Monitor HP L1706 4.3 Power Supply Requirements Parameter Range AC Line Voltage range 100 to 240V AC Line Frequency range 47 to 63 Hz Peak surge Current < 55 A MAX AT 220VAC and cold starting Leakage Current <...
  • Page 9: Panel Specification

    17" LCD Color Monitor HP L1706 5. Panel Specification 5.1 General Feature ABSOLUTE MAXIMUM RATINGS...
  • Page 10: Optical Characteristics

    17" LCD Color Monitor HP L1706 5.2 Optical Characteristics...
  • Page 11: Parameter Guide Line For Ccfl Inverter

    17" LCD Color Monitor HP L1706 5.3 Parameter guide line for CCFL Inverter TFT LCD Module: Back Light Unit:...
  • Page 12: Block Diagram

    17" LCD Color Monitor HP L1706 6. Block Diagram 6.1 Monitor Exploded View...
  • Page 13: Software Flow Chart

    17" LCD Color Monitor HP L1706 6.2 Software Flow Chart...
  • Page 14 17" LCD Color Monitor HP L1706 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. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.
  • Page 15: Electrical Block Diagram

    17" LCD Color Monitor HP L1706 6.3 Electrical Block Diagram 6.3.1 Scalar Board Panel Interface (CN503) Scalar TSU16AK (Include ADC, OSD) (U601) (U401) EPR_SDA DDC_SDA EPR SCL Hsync, DDC SCL Vsync EEPROM D-Sub Connector EEPROM Control Interface (U602) (CN301) (U301) (KEYPAD) DB15_SDA DB15 SCL...
  • Page 16 17" LCD Color Monitor HP L1706 6.3.2 Inverter / Power Board Inverter Block Diagram...
  • Page 17 17" LCD Color Monitor HP L1706 Power Block Diagram...
  • Page 18: Schematic

    17" LCD Color Monitor HP L1706 7. Schematic 7.1 Main Board SCHEMATIC HPQ2005 L1506/1706 GNDR GNDR GNDG GNDG DDC_CLK VCC1.8 VCC3.3 VAA1 VAA2 VAA3 VAA4 DDC_DAT GNDB GNDB ST_DET1 HSYNC HSYNC VSYNC VSYNC DDC_WP VCC1.8 3.INPUT VCC3.3 VAA1 DDC_WP ST_DET1 VAA2 DDC_CLK DDC_DAT...
  • Page 19 17" LCD Color Monitor HP L1706 VCC5V+ VCC5V TO-252 VCC12V D202 U201 DIODE R202 VCC1.8 AZ1117D-1.8 CN201   1/16W VCC1.8   ON_OFF R201 4.7K 1/16W C209 C210 C211 C212 VCC12V VCC12V D201 DIODE SCHOTTKY   C201 R212 4.7K 1/16W 47uF/16V 0.1uF 47uF/16V 0.1uF...
  • Page 20 17" LCD Color Monitor HP L1706 CN301 DB15     FB301 1/16W R301 1/16W C304 0.047uF     FB302 1/16W R302 1/16W C305 0.047uF D323 MLL5232B 5.6V FB303   1/16W R303   1/16W C306 0.047uF   R304 1/16W C307 0.001uF D322 PC5V R325...
  • Page 21 17" LCD Color Monitor HP L1706 VCC3.3 FB401 VCC1.8 FB402 VCC3.3 VCC1.8 600 OHM 600 OHM C405 C414 10uF/16V 10uF/16V VPLL VDVI VDPLL C406 C407 C408 C409 C410 C411 C412 C413 C415 C416 C417 C418 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
  • Page 22 17" LCD Color Monitor HP L1706 CN501 CN502 PA[0..9] PA[0..9] CN503 LVA3P LVA3M RA3N FB0N RB3N LVACKP FB0P LVB0M RXO0- RXO0+ LVB0P RA3P RB3P LVACKM LVB1M RXO1- RXO1+ LVB1P LVA2P FB1N LVB2M RXO2- RXO2+ RA2N RB2N LVB2P LVA2M RA2P FB1P RB2P LVBCKM RXOC-...
  • Page 23 17" LCD Color Monitor HP L1706 VCPU VCPU R602 RP601 RP602 RP603 R601 C601   1/16W   1/16W   1/16W RP604 0.1uF     1/16W 1/16W C602 R606 R607 22pF   1/16W   1/16W   1/16W R644 U601   1/16W EA/VP P0.0 Y601...
  • Page 24: Power Board

    17" LCD Color Monitor HP L1706 7.2 Power Board...
  • Page 25 17" LCD Color Monitor HP L1706...
  • Page 26: Pcb Layout

    17" LCD Color Monitor HP L1706 8. PCB Layout 8.1 Main Board...
  • Page 27 17" LCD Color Monitor HP L1706...
  • Page 28: Power Board

    17" LCD Color Monitor HP L1706 8.2 Power Board...
  • Page 29 17" LCD Color Monitor HP L1706...
  • Page 30 17" LCD Color Monitor HP L1706...
  • Page 31: Key Board

    17" LCD Color Monitor HP L1706 8.3 Key Board...
  • Page 32: Maintainability

    17" LCD Color Monitor HP L1706 9. Maintainability 9.1 Equipments 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 33: Trouble Shooting

    17" LCD Color Monitor HP L1706 9.2 Trouble Shooting 9.2.1 Main Board 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 CN201 PIN5/6=12V? Measure CN201 PIN7/8=5V?
  • Page 34 17" LCD Color Monitor HP L1706 No picture (LED orange) No picture Y601 oscillate waveforms are Key is under control? normal Replace Y601 X401 oscillate waveforms are normal Replace U601 Replace X401 Replace U401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer, or...
  • Page 35 17" LCD Color Monitor HP L1706 Panel Power Circuit Measure Q204 base is high level? Y601 oscillate waveforms are normal Replace Y601 Check Q204 and Q203 are broken or CN503 /CN501 solder? Replace U601 Check Correspondent component. Replace U401 Replace PANEL...
  • Page 36 17" LCD Color Monitor HP L1706 9.2.2 Power Board 1. No Power No power Check AC line volt 110V or 220V Check AC line Check the voltage of C905(+) Check F901, bridge rectified circuit Check start voltage for the pin3 of IC901 Check R909, R910,IC931 Check the auxiliary voltage is between 10V-16V Check IC901,T901...
  • Page 37 17" LCD Color Monitor HP L1706 2. W/LED No Backlight Check IC801 pin5=12V voltage PIN3>3V Change Q806 or Q807 or Q812 Preset at 2V to PIN4 of IC801 and Connect PIN1 to GND Check the pin15 of IC801 have saw tooth wave Change IC801 Check Q808、Q809 Change Q808、Q809...
  • Page 38 17" LCD Color Monitor HP L1706 9.2.3 Key Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally? Replace Button Switch Is Button Switch normally? Is Key Pad Board Normally? Replace Key Pad Board Check Main Board...
  • Page 39: White-Balance, Luminance Adjustment

    17" LCD Color Monitor HP L1706 10. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM .Channel setting A. Reference to chroma 7120 user guide B.
  • Page 40: Bom List

    17" LCD Color Monitor HP L1706 11. BOM List T76SM4DTAKHPNE / T76SM4DTAKHANE / T76SM4DDAKHANE Location Part No. Description CBPC6SM4HPH MAIN BOARD FOR 17 KEPC980KHP4P KEY BOARD KEPC980KHP5P KEY BOARD FOR POWER PWPC1742SEH1P POWER BOARD 11G 178 1 SPACER SUPPORT 15G8162 1 MAIN FRAME 33G4856 EY L LOGO PLATE...
  • Page 41 17" LCD Color Monitor HP L1706 H41G160069035E DOC KIT APD(391904-376) H41G780069099C SCREEN FLY (311618-007 H41G7800690B12 RTF CARD(407430-004) H41G7806690 9A CHINA RoHS CARD H44G3760690 3D CARTON FOR L1706(385898 H45G 87 1 2H PE BAG FOR MONITOR H45G 87 4 H PE BAG FOR BASE H52G6025 16 17 INSULATE SHEET H52G6025 16007...
  • Page 42 17" LCD Color Monitor HP L1706 Q301 57G 417 12 T 2N3904S-RTK/PS SOT-23 Q601 57G 417 13 T 2N3906S-RTK/PS SOT-23 Q603 57G 417 13 T 2N3906S-RTK/PS SOT-23 Q203 57G 763 1 AO3401L SOT23 BY AOS(A1 RP601 61G 125103 86865 RST CHIPR 10KOHM +-5% 1 RP602 61G 125103 86865 RST CHIPR 10KOHM +-5% 1...
  • Page 43 17" LCD Color Monitor HP L1706 R613 61G0603103 6865 RST CHIPR 10KOHM +-5% 1 R644 61G0603103 6865 RST CHIPR 10KOHM +-5% 1 R645 61G0603103 6865 RST CHIPR 10KOHM +-5% 1 R655 61G0603103 6865 RST CHIPR 10KOHM +-5% 1 R315 61G0603220 6865 RST CHIPR 22 OHM +-5% 1 R316...
  • Page 44 17" LCD Color Monitor HP L1706 C201 65G0603104 326805 CHIP 0.1UF 50V X7R C205 65G0603104 326805 CHIP 0.1UF 50V X7R C207 65G0603104 326805 CHIP 0.1UF 50V X7R C210 65G0603104 326805 CHIP 0.1UF 50V X7R C212 65G0603104 326805 CHIP 0.1UF 50V X7R C214 65G0603104 326805 CHIP 0.1UF 50V X7R...
  • Page 45 17" LCD Color Monitor HP L1706 C313 65G0603224 226029 CHIP 0.22UF 25V X7R C605 65G0603224 226029 CHIP 0.22UF 25V X7R C304 65G0603473 326857 CHIP 0.047UF 50V X7R C305 65G0603473 326857 CHIP 0.047UF 50V X7R C306 65G0603473 326857 CHIP 0.047UF 50V X7R C308 65G0603473 326857 CHIP 0.047UF 50V X7R...
  • Page 46 17" LCD Color Monitor HP L1706 CN201 95G8014 45146078 HARNESS 715G1532 2 P6F2I KEPC PCB L901 S73L17440VG TRANSFORMER PT801 S80LL17T16VG TRANSFORMER PT802 S80LL17T16VG TRANSFORMER CN801 33G8021 2E U WAFER CN802 33G8021 2E U WAFER CN803 33G8021 2E U WAFER CN804 33G8021 2E U WAFER CN901...
  • Page 47 17" LCD Color Monitor HP L1706 705G 980 61 01 R905 ASS'Y 705G 980 93 01 D902 ASS'Y 705G 980 93 02 D904 ASS'Y JP822 71G 55 24 6092 BEAD FB901 71G 55 29 6100 FERRITE BEAD BD901 93G 50460900 GBU408 D901 93G 6026T52T...
  • Page 48 17" LCD Color Monitor HP L1706 R917 61G0805103 6865 RST CHIPR 10KOHM +-5% 1 R919 61G0805103 6865 RST CHIPR 10KOHM +-5% 1 R930 61G0805104 6865 RST CHIPR 100KOHM +-5% R806 61G0805105 6865 RST CHIPR 1MOHM +-5% 1/ R807 61G0805105 6865 RST CHIPR 1MOHM +-5% 1/ R808 61G0805105...
  • Page 49 17" LCD Color Monitor HP L1706 JR803 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR804 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR805 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR806 61G1206000 6857 RST CHIPR 0 OHM +-5% 1/ JR809 61G1206000 6857...
  • Page 50 17" LCD Color Monitor HP L1706 C833 65G0805104 226826 0.1UF +-10% 25V X7R 080 C834 65G0805104 226826 0.1UF +-10% 25V X7R 080 C838 65G0805104 226826 0.1UF +-10% 25V X7R 080 C848 65G0805104 226826 0.1UF +-10% 25V X7R 080 C907 65G0805104 226826 0.1UF +-10% 25V X7R 080 C910 65G0805104 226826...
  • Page 51 17" LCD Color Monitor HP L1706 ZD902 93G 39S 17 T RLZ12B LLDS ZD903 93G 39S 19 T PTZ7.5B ZD803 93G 39S 24 T RLZ 5.6B LLDS ZD804 93G 39S 24 T RLZ 5.6B LLDS ZD805 93G 39S 24 T RLZ 5.6B LLDS ZD904 93G 39S 25 T...
  • Page 52 17" LCD Color Monitor HP L1706 R823 61G212Y625 KT3876 RST MGFR 6.2MOHM +-5% 1 R827 61G212Y625 KT3876 RST MGFR 6.2MOHM +-5% 1 D907 93G 6038T52T FR103 IC903 56G 158 10 T AZ431AZ-AE1 TO-92 IC904 56G 158 10 T AZ431AZ-AE1 TO-92 C930 65G 1K152 1T6921 1.5nF/1K Y5P +-10%...
  • Page 53: Different Parts List

    17" LCD Color Monitor HP L1706 12. Different Parts List Diversity of T76SM4DBAKHPNE compared with T76SM4DTAKHPNE Location Part No. Description 40G 58162435A LABEL 41G780069096C E089A 89G404A19N IS POWER CABLE H41G160069034E DOC KIT FOR EMEA(391904 Q45G 76 28 H PE BAG FOR MANUAL Diversity of T76SM4DBAKHANE compared with T76SM4DTAKHPNE Location Part No.
  • Page 54 17" LCD Color Monitor HP L1706 Diversity of T76CM4DPAKHPNE compared with T76SM4DTAKHPNE Location Part No. Description CBPC6CM4HPH MAIN BOARD FOR 17 PWPC1742CPH2P POWER BOARD 15G8162 3 MAIN FRAME CPT 40G 58162435A LABEL E089B 89G1738HAAE01 SIGNAL CABLE E089A 89G402A19N IS AC POWER CABLE 750GLC70A7P12Z000H PANEL CLAA170EA07P 000 H41G160069033E...
  • Page 55 17" LCD Color Monitor HP L1706 R204 71G 59B121 6888 TB160808B PT801 S80GL15T20V TRANSFORMER BY TPV PT802 S80GL15T20V TRANSFORMER BY TPV R904 61G 2J398 596353 RST WWR 0.39 OHM +-5% 2 C818 65G 3J1206ET 12PF 5% SL 3KV TDK C825 65G 3J1206ET 12PF 5% SL 3KV TDK C843...

Table of Contents