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17" LCD Color Monitor

Hanns.G HQ171A

2. LCD Monitor Description

Assembly Description

The LCD MONITOR will contain a main board, power board, audio 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.

AC-IN

100V-240V

Power board

(Include: adapter, inverter)

Flat Panel and

CCFL backlight

main board

RS232 Connector

For white balance

adjustment in factory

Monitor Block Diagram

Audio board

Key board

http://www.wjel.net

Содержание HQ171A

Страница 1: ...3 1 General Instructions 7 3 2 Control Button 7 3 3 Adjusting the Picture 8 4 Input Output Specification 14 4 1 Input Signal Connector 14 4 2 Factory Preset Display Modes 15 4 3 Panel Specification 1...

Страница 2: ...17 LCD Color Monitor Hanns G HQ171A 2 Revision List Revision Date Revision History TPV Model A00 Jan 17 06 First Version Release T76CM5NTC9ZHAP h t t p w w w w j e l n e t...

Страница 3: ...cs 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 arisi...

Страница 4: ...17 LCD Color Monitor Hanns G HQ171A 4 1 Monitor Specifications h t t p w w w w j e l n e t...

Страница 5: ...s 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 Power board Include adapter inverte...

Страница 6: ...17 LCD Color Monitor Hanns G HQ171A 6 Dimensions h t t p w w w w j e l n e t...

Страница 7: ...buttons are located in the front 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...

Страница 8: ...ptimized the H Position V Position Clock and Focus NOTES Do not install the monitor in a location near heat sources such as radiators or air dusts or in a place subject to direct sunlight or excessive...

Страница 9: ...ss or to select the desired function 3 Press the MENU button to select the function that you want to adjust 4 Press or to change the settings of the current function 5 To exit and save select the exit...

Страница 10: ...17 LCD Color Monitor Hanns G HQ171A 10 h t t p w w w w j e l n e t...

Страница 11: ...17 LCD Color Monitor Hanns G HQ171A 11 h t t p w w w w j e l n e t...

Страница 12: ...17 LCD Color Monitor Hanns G HQ171A 12 h t t p w w w w j e l n e t...

Страница 13: ...17 LCD Color Monitor Hanns G HQ171A 13 h t t p w w w w j e l n e t...

Страница 14: ...17 LCD Color Monitor Hanns G HQ171A 14 4 Input Output Specification 4 1 Input Signal Connector h t t p w w w w j e l n e t...

Страница 15: ...17 LCD Color Monitor Hanns G HQ171A 15 4 2 Factory Preset Display Modes h t t p w w w w j e l n e t...

Страница 16: ...omposed 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 voltage is 5 0V for LCD...

Страница 17: ...17 LCD Color Monitor Hanns G HQ171A 17 4 3 3 Parameter guide line for CCFL Inverter TFT LCD Module Back Light Unit h t t p w w w w j e l n e t...

Страница 18: ...17 LCD Color Monitor Hanns G HQ171A 18 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 h t t p w w w w j e l n e t...

Страница 19: ...et 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 1...

Страница 20: ...Electric Block Diagram 5 2 1 Main Board LCD interface CN101 Scalar TSUM16AK Include ADC OSD MCU U401 D Sub Connector CN405 H sync V sync RGB Crystal 14 318MHz X401 EEPROM M24C02 WMN6TP U404 EEPROM PM2...

Страница 21: ...17 LCD Color Monitor Hanns G HQ171A 21 5 2 2 Power Board h t t p w w w w j e l n e t...

Страница 22: ...NC Adj_BACKLIGHT VCC1 8 Vcc3 3 VCTRL PA 0 7 PA 8 13 R R G G B B CLK CLK DDCD_SDA DDCD_SCL DET_DVI DDCA_SDA DDCA_SCL DET_VGA on_BACKLIGHT on_Panel 5V PA 14 19 PB 0 5 PB 6 11 GPO 0 4 ESP OSP on_PANEL_12...

Страница 23: ...ADJ DC 0V 3 3V 5V R739 1K 1 10W 1uF Q708 PMBS3904 5V R712 4 7K 1 16W R31 12V 10 20 2005 For Panel Protection Add Q708 Q709 R733 R737 C721 C722 GND C715 0 022uF GND GND C713 0 1uF Q706 PMBS3906 C719 NC...

Страница 24: ...8 75 1 16W 5V 5V R434 56 1 16W D407 BAV70 3 1 2 DVI5V PC5V C443 22pF SCL_VGA PC5V R449 2 2K 1 16W R459 10K 1 16W DDCA_SCL 4 ESD 5V CN406 JACK DVI 1 2 3 4 5 6 7 8 25 28 9 10 11 12 13 14 15 16 26 29 17...

Страница 25: ...8 20 22 23 24 27 28 30 31 35 76 77 19 100 101 98 99 93 94 91 92 89 90 9 10 15 16 17 18 2 3 5 6 7 8 128 1 80 81 88 87 86 85 84 83 82 25 26 75 74 52 34 4 95 103 115 117 60 13 RIN0P GIN0P SOGIN0 BIN0P RI...

Страница 26: ...27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 CLKAP VLCD PB 0 5 GB2N CLKAN BB3N RXE0 PB20 NC GPOO1 BB3N RA1N R101 NC 0 NC R92 PB3 BR2P CLKBP GA3N RB3N RXE3 L703 BEAD 120OHM 1...

Страница 27: ...10W C922 680uF 25V L922 3 5UH C912 0 1uF 50V R912 10 1 8W audio 12V C920 0 001uF 500V R905 10K 1 8W C916 0 1uF 50V D900 BA159GPT ZD922 RLZ5 1B 1 2 Q910 NC 3 2 1 R931 10K 1 8W J910 TIN COATED J908 TIN...

Страница 28: ...C R823 75K 1 10W J819 TIN COATED R819 15 1 8W C809 0 047UF 50V C820 470UF 25V Q803 PMBS3904 3 2 1 PT801 80GL17T 36 DN 5 3 7 4 1 8 N C C815 1000P 50V R830 15K 1 10W R831 100K 1 10W C813 1500PF 50V C832...

Страница 29: ...01uF GND CN204 NC CONN 1 2 3 12V R210 20K 1 16W C209 10uF 50V CN201 PHONEJACK 1 2 3 4 5 GND Doc 1 Audio A 1 1 Monday February 13 2006 Title Size Document Number Rev Date Sheet of U201 E TDA7496L 1 2...

Страница 30: ...17 LCD Color Monitor Hanns G HQ171A 30 7 PCB Layout 7 1 Main Board h t t p w w w w j e l n e t...

Страница 31: ...17 LCD Color Monitor Hanns G HQ171A 31 h t t p w w w w j e l n e t...

Страница 32: ...17 LCD Color Monitor Hanns G HQ171A 32 h t t p w w w w j e l n e t...

Страница 33: ...17 LCD Color Monitor Hanns G HQ171A 33 7 2 Power Board h t t p w w w w j e l n e t...

Страница 34: ...17 LCD Color Monitor Hanns G HQ171A 34 h t t p w w w w j e l n e t...

Страница 35: ...17 LCD Color Monitor Hanns G HQ171A 35 7 3 Audio board 7 4 Key board h t t p w w w w j e l n e t...

Страница 36: ...r 7 Service Manual 8 User Manual 8 2 Trouble Shooting 8 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 Mea...

Страница 37: ...Replace U401 Replace X401 Measure U702 PIN2 3 3V D701 1 8V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace U702 D701 OK OK OK OK OK NG NG NG NG Check reset circui...

Страница 38: ...e is high level X401 oscillate waveform is normal Check Q706 Q704 is broken or CN101 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401...

Страница 39: ...ut Check the voltage of C907 Check bridge rectified circuit and F901 circuit Check start voltage for the pin 8 of IC901 Check R905 and IC901 NG Check the voltage of pin6 is bigger than 10V and smaller...

Страница 40: ...801 Pin1 pin15 have the output of sawtooth wave at short time NG OK Check IC801 pin 5 pin6 NG OK Replace IC801 Check Q805 Q806 pin5 pin8 is 12V Check PT801 PT802 pin7 pin8 650V Cut all the pin connect...

Страница 41: ...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...

Страница 42: ...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 283 28 y 297 28 Y 220cd 4 Adjust the RED of color 1 on...

Страница 43: ...e RED of color 3 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color 3 on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the B...

Страница 44: ...17 LCD Color Monitor Hanns G HQ171A 44 10 Monitor Exploded View h t t p w w w w j e l n e t...

Страница 45: ...NESS 095G8018 3D557 LVDS CABLE 0M1G 130 5120 SCREW 0M1G 330 4120 SCREW 0M1G 330 6 47 CR3 SCREW 0M1G 340 8 47 CR3 SCREW 0M1G1140 6120 SCREW 0M1G1730 6120 SCREW 705GQ7K0F34 31 BEZEL 17 ASS Y E078L 078G...

Страница 46: ...D CN202 033G802414C H 2 7PIN DUAL ROW RIGHT ANGLE H 040G 581 26605 LABEL P N U201 056G 616 1 IC E TDA7496L ST C210 067G 2151007NT KY50VB10M TP5 5 11 5 C205 067G215L471 3N KY16VB470M L 10 12 5 C207 067...

Страница 47: ...1 C710 067G215L101 4N KY25VB100M L 6 3 11 C712 067G215L101 4N KY25VB100M L 6 3 11 CN405 088G 35315F H D SUB 15PIN U401 090G6250 1 GP HEAT SINK X401 093G 22 53 CRYSTAL 14 318MHZHC 49US U401 056G 562100...

Страница 48: ...603101 RST CHIPR 100 OHM 5 1 10W R411 061G0603101 RST CHIPR 100 OHM 5 1 10W R443 061G0603101 RST CHIPR 100 OHM 5 1 10W R445 061G0603101 RST CHIPR 100 OHM 5 1 10W R704 061G0603101 RST CHIPR 100 OHM 5 1...

Страница 49: ...T CHIPR 22 KOHM 5 1 10W R414 061G0603241 RST CHIPR 240 OHM 5 1 10W R403 061G0603390 0F RST CHIPR 390 OHM 1 1 10W R474 061G0603392 RST CHIPR 3 9 KOHM 5 1 10W R475 061G0603392 RST CHIPR 3 9 KOHM 5 1 10W...

Страница 50: ...32 CHIP 0 1UF 50V X7R C721 065G0603104 32 CHIP 0 1UF 50V X7R C413 065G0603104 32 CHIP 0 1UF 50V X7R C414 065G0603104 32 CHIP 0 1UF 50V X7R C415 065G0603104 32 CHIP 0 1UF 50V X7R C416 065G0603104 32 C...

Страница 51: ...HM 0805 FB401 071G 56Z601 CHIP BEAD 600 OHM 0805 FB409 071G 59B121 TB160808B D406 093G 39149 MLL5232B BY FULL POWER SMT D408 093G 39149 MLL5232B BY FULL POWER SMT D409 093G 39149 MLL5232B BY FULL POWE...

Страница 52: ...32 S AC SOCKET D922 093G3006 1 1 31DQ06FC3 NIHON INTER CN902 095G8014 12556 WIRE HARNESS 705G 900 11 06 Q900 ASS Y Q900 057G 667 47 FET FQPF8N60C FAIRCHILD HS4 Q900 090G6264 1 HEAT SINK 0M1G1730 8128...

Страница 53: ...G0805100 2F RST CHIPR 10KOHM 1 1 8W R911 061G0805100 3F RST CHIPR 100KOHM 1 1 8W R927 061G0805101 RST CHIPR 100 OHM 5 1 8W R836 061G0805102 CHIP 1KOHM 1 10W R843 061G0805102 CHIP 1KOHM 1 10W R913 061G...

Страница 54: ...8W R819 061G1206150 15 OHM 1 8W R828 061G1206150 15 OHM 1 8W R829 061G1206150 15 OHM 1 8W R807 061G1206220 RST CHIPR 22 OHM 5 1 4W R802 061G1206304 300 KOHM 1 8W R900 061G1206334 330KOHM 1 8 R901 061...

Страница 55: ...065G080556131G MLCC 0805 560PF G 50V NPO C835 065G1206105 32 CHIP 1UF 50V X7R 1206 C836 065G1206105 32 CHIP 1UF 50V X7R 1206 C837 065G1206105 32 CHIP 1UF 50V X7R 1206 C838 065G1206105 32 CHIP 1UF 50V...

Страница 56: ...LLET Q07G 7 T131 COMPOUND PALLET Q12G6300 26 2 RUBBER PAD Q12G6300 38 BACK RUBBER Q15G0065 1 MAIN FRAME Q15G5786 1 VESA BRACKET Q15G8313 1 AC SOCKET BRACKET Q34G0087 ZTA1L REAR COVER 17 Q40G 17N850 4A...

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