Acer LCD-X193HQ Service Manual Download Page 46

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Acer

Acer –LCD-X193HQ

4.4

No Raster

Is there high-level

voltage on pin8 of
IC501?

Are connected rightly

CN501, CN502, CN503
and CN504?

Is there instantaneously

pulse wave on pin14,
pin11 of IC501 at the
moment of restart?

No raster?

Yes

Check power

supply

Check I/F

board

Yes

R501 open

Yes

Is Ok IC501?

Yes

U501, U502 fail

IC501 fail

T501, T502 fail

Connecting the output
connector again

Yes

Is there 16Vdc

voltage on pin9
of IC501?

Yes

Is Ok R510?

Is T501, T502
ok?

LED Blue?

Backlight can’t

be turned on.

Yes

Check feedback circuit
Isen,Vsen.(pin 1.2)
pin2,D508,D509.)

Yes

END

Summary of Contents for LCD-X193HQ

Page 1: ...Acer Acer LCD X193HQ 0 Service Manual LCD Monitor Acer X193HQ ...

Page 2: ...4 06 Schematics and Layouts 45 07 Assembly and Disassembly 48 Appendix User s manual Copyright Copyright 2006 InnoLux Tech Corp Ltd All Rights Reserved This manual may not in whole or in part be copied Photocopied reproduced translated or converted to any electronic or machine readable form without prior written permission of InnoLux Tech Corp Ltd Acer X193HQ Service Manual ...

Page 3: ...nplug the power cable immediately and consult your closed dealer Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the class screen Do not place heavy objects on the monitor or power cord 2 Product safety notice Many electrical and mechanical parts in this chassis have special safety visual inspect...

Page 4: ...Tf 5ms typ Viewing angle 85 L 85 R 80 U 80 D typ CR 10 Input interface Analog D sub 15 pin Digita DVI D connector option Audio system 1 W 1 W Power management Compatible with VESA EPA NUTEK DPMS Plug Play VESA University AC power supply YES For Non EMEA English Deutsch Español 简体中文简体中文简体中文简体中文繁體中文繁體中文繁體中文繁體中文 Français Italiano 日本語日本語日本語日本語 OSD language For EMEA English Deutsch Español Du...

Page 5: ...ge IEC61000 4 2 EN55024 Air discharge 15KV 2 4 Reliability Items Condition Spec Note MTBF Operating condition is 40 C 50 000 Hours Excluding the LCD CCFL CCFL Life time Luminance becomes 50 40 000 Hours min Note1 Note1 Display an all WHITE field at mid Brightness and Contrast settings 3 Electrical and Optical Characteristics and Performance 3 1 Main Power Supply Items Condition Spec Note AC Input ...

Page 6: ...he ripple for the 5V of audio Table 1 Protection Condition Spec OPP Over power protection nominal AC input 32W min Table 2 Status H syn c V syn c Video Power LED Power On on on active 25W Blue off on blanked 2W Amber on off blanked 2W Amber Power Saving off off blanked 2W Amber Power Off 1W Off 3 2 Backlight Power Supply Panel AUO M190PW01 V0 Items Specification Lamp 2 CCFL Input Voltage 13 5V 16 ...

Page 7: ...d m2 as panel spec 3 4 White balance Chromaticity Coordinate Mode x y Cool 9300K 0 283 0 030 0 297 0 030 Warm 6500K 0 313 0 030 0 329 0 030 User Panel While x Panel While y The test standard conditions refer to Sec 3 3 Brightness and contrast are under default value 3 5 Brightness uniformity The test standard conditions refer to Sec 3 3 75 backlight points nine of luminance Max backlight points ni...

Page 8: ... 60Hz 1688x1066 63 981 60 020 108 000 SXGA 1280x1024 75Hz 1688x1066 79 976 75 025 135 000 VESA 1280x720 60Hz 1650x750 44 955 59 940 74 176 1280x800 60Hz 1680x831 49 702 59 810 83 500 WXGA 1366x768 60Hz 1792x798 47 712 59 790 85 500 Note 1 Non interlace signals only An interlace signal cannot be display 2 Please refer to F W specification for more detail 3 Each frequency of Power Macintosh and Sun ...

Page 9: ... 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 04 72 68 00 00 00 00 00 1 00 00 01 03 08 29 17 78 EA 3D 85 A6 56 4A 9A 24 2 12 50 54 BF EF 90 81 C0 81 00 81 80 81 40 71 4F 3 01 01 01 01 01 01 66 21 56 AA 51 00 1E 30 46 8F 4 33 00 9A E6 10 00 00 1C 00 00 00 FF 00 30 30 30 5 30 30 30 30 30 30 30 30 30 0A 00 00 00 FD 00 37 6 4C 1F 50 0E 00 0A 20 20 20 20 20 20 00 00 00 FC 7 00 58 31 38 33 48...

Page 10: ...gonal Pixel Pitch 0 3 H x 0 3 V Display Colors 16 7 Million RGB 6 bit HiFRC Number of Pixel 1366x768 pixels Pixel Arrangement RGB vertical stripe Brightness 300cd m 2 Typ 250cd m 2 Min Contrast Ratio 1000 1 Typical Viewing Angle 85 L 85 R 80 U 80 D typ CR 10 Display Mode Normally White Frame rate 60Hz Response Time Tr Tf 5ms Typical Surface Treatment Anti glare Haze 25 Hard coating 3H Lamp 2 CCFL ...

Page 11: ...s press e Color to show e Color OSD and press again the OSD can not disappear but the time of e Color OSD disappearing is reset 10 second again B When OSD disappear not including e Color OSD press e Color to show e Color OSD OSD the OSD before disappears but the parameters of it should be saved POWER Power on or power off the monitor 5 2 2 Hot Key Operation HOT KEY OPERATION FUNCTION AUTO e Color ...

Page 12: ...s mode 97 Brightness 0 100 Movie mode 77 ACM OFF Focus 0 100 Depend on each timing Image Clock 0 100 50 1 H Position 0 100 50 Position V Position 0 100 Depend on each timing Warm 6500K Cool 9300K Red 0 100 80 Green 0 100 80 Color User Blue 0 100 80 02 Flat Panel Specification ...

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Page 41: ...ard to Chassis 3 2 509000000700R BOLT 4 40x11 8 Ni ROHS 2 4 0 0 5 D SUB CON 2 3 509112612500R SCREW P T4 12 Zn BLK ROHS 3 8 0 5 Hinge to Stand 4 509216608110R SCREW F CROSS M4 8 Zn ROHS 4 6 5 0 5 Hinge to backcover 5 509212606110R SCREW F CROSS T4 6 Zn ROHS 5 8 6 2 10 6 5 0 5 Base Plate to Base 6 509112308100R SCREW P CROSS T T 3 8 Z n ROHS 1 3 0 4 0 Back cover to Front bezel ...

Page 42: ...Acer Acer LCD X193HQ 47 3 2 LCD Exploded drawing All ...

Page 43: ...tage Check IC802 C805 T801 Check circuit if short Check F801 P801 RT801 D801 Check pin2 of IC802 voltage about 16V CheckC815 D806 Check pin1 of IC802 voltage about 9 0V Check primary OVP OLP and secondary feedback OVP circuit Check pin1 of IC802 voltage is below 1 5V Check R803 R807 R824 R825 R812 END ...

Page 44: ...11 R818 R810 R825 Check the R pin voltage of IC803 about Check Check D806 C815 is hort Check pin2 of IC802 voltage is 16V Change IC803 Unstable power Change D803 Change R803 R 807 R824 R825 R812 HRN LVDS FFC 1 END Check the C pin voltage of IC803 if 3V Check pin1 of IC802 voltage below 1 4V ...

Page 45: ...k circuit Check Vpin2 4of IC801 about 1V Check Vpin6 of IC801have output CheckR815 c814 R816 Change IC END Check Vbe of Q801below 0 3V Checkcircu it if Check ZD801 D803 D805 Check Q801 Q802 Check reference voltage Check Pin R of IC803 voltage about 2 5V Check R832 IC801 Output voltage unstable ...

Page 46: ...t the moment of restart No raster Yes No Check power supply No Check I F board Yes R501 open No Yes Is Ok IC501 Yes U501 U502 fail No IC501 fail T501 T502 fail No Connecting the output connector again No Yes Is there 16Vdc voltage on pin9 of IC501 Yes Is Ok R510 Is T501 T502 ok LED Blue Backlight can t be turned on Yes Yes Yes No Check feedback circuit Isen Vsen pin 1 2 pin2 D508 D509 Yes END ...

Page 47: ...Acer Acer LCD X193HQ 52 4 5 Black Screen ...

Page 48: ...Acer Acer LCD X193HQ 53 4 6 White screen ...

Page 49: ...Acer Acer LCD X193HQ 54 4 7 Bad Screen ...

Page 50: ...B15PMALE6FTBLACK BLUE ROH 1 00 1 50 L63VF 003 453030300120R CABLEAUDIO1P6FTBLACK GREEN CP03B06P0 0 40 1 50 LA10J 003 453030300370R CABLE DVI D18 1PMALE6FTBLACK ROHS 1 30 1 27 L46VF 005 453070800230R PWRCORD5A 250VBLK6FT UK3Gx 75mm SP60 1 40 1 42 LEH0J 001 501020225700R COVERHINGE BLACKRIGHT LE18K3 0 05 1 42 LEH0J 002 501020225701R COVERHINGE BLACKLEFT LE18K3 0 14 1 60 LEH0J 003 701000011703R ASSY ...

Page 51: ...Acer Acer LCD X193HQ 56 06 Schematics and Layouts 6 1 PI BD Layout ...

Page 52: ...Acer Acer LCD X193HQ 57 6 2 PI BD Layout ...

Page 53: ...Acer Acer LCD X193HQ 58 6 3 IF BD Layout ...

Page 54: ...Acer Acer LCD X193HQ 59 6 4 IF BD Layout 6 2 Switching Mode Power Supply circuit ...

Page 55: ...820 330K L8035uH C709 220u 16V R816 6R8 1 2 C825 0 1 50V D807 SB540 C802 1n 500V C826 1n 500V C811 1n 500V L801 20mH 4 1 3 2 R811 51K 1 1 2 C821 2200P Y1 R833 10K NC 1 2 R824 2 7M 1 2 IC802 TOP258P 2 1 6 4 7 8 5 C M S D S S S C801 1 NC 1000P 250V Y2 R840 NC 1 2 C822 10u 16V R842 68ohm C R A IC803 TL431 R807 2 7M 1 2 C808 470uF 25V R823 100R 1W R812 10K 1 1 2 C817 0 1u 50V R843 68ohm P801 AC IN 1 2...

Page 56: ... BOSC DBRT VIN BT TG SW VCC BG GND OV1 R517 10K 1 R509 2K R510 2K R513 10K C503 3300p 50V R518 10K 1 C516 10p 3KV R519 20K C513 0 1 50V R505 105K 1 D501 SN4148 R512 2K R503 100K C504 2 2u 16V T501 SPW 078 2 3 5 6 8 7 R520 20K C507 0 1 50V R507 10 R506 10 CN504 4100 D02 1 2 H L C506 0 047 50V R514 2K C523 680pF 50V R526 NC Q502 MMBT4401 1 3 2 C508 1u 16V U501 AP9971NN 6 5 4 3 7 8 1 2 C520 3300p 50V...

Page 57: ...F CCFL_ON OFF PANEL_ENABLE 5 CCFL_ENABLE 5 GND VCC5V VCC_ESD GND GND VCC5V VCC5V GND VLCD GND GND 3 3V GND 3 3V 3 3V VCC5V GND VGA5V DVI5V GND 1 8V 3 3V R107 100K C112 1u 16V R199 100 R113 0 NC R0805 D107 BAT750 LF NC 3 2 1 ZD107 6V2 U101 LD1117AL 3 3V 3 1 2 4 VIN ADJ VOUT PAD D101 SSM24APT DIO SMA R104 0 NC ZD101 6V2 NC U102 LD1117AL 1 8V 3 1 2 4 VIN ADJ VOUT PAD R105 4K7 C103 22u 25V C104 0 1 16...

Page 58: ...CC5V R130 1K C123 0 1 16V NC R120 0 NC C120 0 047u 16V C132 33p 50V NC C127 0 1 16V NC ZD104 6V2 C134 0 047u 16V R121 0 C124 0 1 16V NC C114 0 047u 16V C117 10p 50V NC D103 BAV99 1 3 2 ZD105 6V2 D104 BAV99 1 3 2 R126 0 NC R132 100 C121 0 047u 16V CN102 DZ11AA1 H5W6 4F 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 R115 75 U103 AT24C02BN 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC ZD106 6V2 C116 10p 50V...

Page 59: ... 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RX2 RX2 GND RX4 RX4 SCL SDA VS RX1 RX1 GND RX3 RX3 5V GND HP RX0 RX0 GND RX5 RX5 GND RXC RXC D205 BAV99 NC 1 3 2 R213 10K R211 4K7 ZD202 6V2 R219 4K7 NC D204 BAV99 NC 1 3 2 D207 BAV99 NC 1 3 2 U201 AT24C02BN 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC R208 10 R209 100 R215 0 NC D210 BAV99 1 3 2 R214 1K ZD204 6V2 R203 10 D209 BAV99 NC 1 ...

Page 60: ...FFC CON NC CON HR 200PHD2X15ST 1 2 3 4 6 8 10 12 14 16 18 20 22 24 26 28 30 7 9 11 13 15 17 19 21 23 25 27 29 5 TP5 R161 2K2 NC C169 0 1 16V R176 2K2 R153 1K RL111 0 NC C168 0 1 16V R146 470 1 R0603 C143 0 1 16V R125 1K C154 0 1 16V C156 0 1 16V R170 100 NC R0603 R172 10K NC R162 10K NC R166 10K R154 1K C171 0 1 16V C159 0 1 16V CN104 2x4P 2 0mm CON CLX CI0108P1VDL 1 1 2 3 4 5 6 7 8 C151 0 1 16V R...

Page 61: ... th e p an el b y 1 8 0 d eg ree u sin g b oth h an d s p u t th e su rface of p an el d own sid es an d m ake su re FFC in terface is closer to op erator 2 P aste tin foil on th e p osition wh ich refers to attach ed p ictu re in ord er to cover th e g ap in th e p an el com p letely R em ark M ake su re th e fixed job is fin ish ed p rop erly an d lam p wire is closer to rig h t h an d M ake th ...

Page 62: ...position 430303001970R HRN LVDS FFC 30P 147MM S5 link power board and main board 1 Link power board and main board and make sure the cable is in the correct position 2 put the main board into the chassis and make the FFC cable is OK as picture 791931400700R PCBA P I BOARD W SPK LE 18K3 712 ROHS S6 Fix board Fix 4pcs M3 5 screw into the power board and main board as picture 791931300702R PCBA I F B...

Page 63: ...ndle hexagonal screws and electric opener 2 Twist screw in the interface like the attached Picture1 3 Place cushion on the designated location after iron frame is taken away S9 Assemble chassis put the chassis into the position of front bezel and make sure the FFC cable is OK as picture 701000011701R ASSY CHASSIS W O DVI AUO LE18K3 make sure keypad cable into the interface keypad cable through cha...

Page 64: ...FC 30P 147MM S11 Insert light cable 1 Insert 4pcs light wire into the relevant position 2 put the balance light wire to the position as picture S12 Insert speaker cable Insert the speaker cabler into the interface of power board as picture make sure the red cable in right and the green cable in left 618100200360R SPEAKER 2W 8Ω 290 240mm R G B W CASE insert FFC bl ...

Page 65: ... can find picture 1and picture 2 618100200360R SPEAKER 2W 8Ω 290 240mm R G B W CASE S14 Insert keypad cable 1 Link keypad cable and keypad as picture1 2 put the ksypad into the interface of front bezel as picture 2 790061500000R PCBA KEYPAD BOARD LE1983 X10 ROHS S15 Fix back cover Check if back cover is fixed properly 501020225702R BACK COVER W O DVI SPK BLACK LE18K3 AU picture 2 right speaker Pic...

Page 66: ...ntinue S17 Assemble cover hinge Put theright and left cover hinge into the related position as picture 501020225700R COVER HINGE BLACK RIGHT LE18K3 S18 Packing 1 Release monitor to the packing line 2 Put monitor into carton like the attached picture 1 2 ...

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