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Acer LCD-X193HQ Service Manual
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Acer LCD-X193HQ Service Manual

Acer LCD-X193HQ Service Manual

Lcd monitor
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Acer
Acer –LCD-X193HQ

Service Manual

LCD Monitor Acer X193HQ
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Summary of Contents for Acer LCD-X193HQ

  • Page 1: Service Manual

    Acer Acer –LCD-X193HQ Service Manual LCD Monitor Acer X193HQ - 0 -...

  • Page 2: Table Of Contents

    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: Important Safety Notice

    Acer Acer –LCD-X193HQ Important Safety Notice Safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user.

  • Page 4: Product Specification

    01 Product Specification 1. General: Acer X193HQ is designed with LVDS interface and dual (analog and digital signal) input, it featured with embedded universal AC power supplies and audio input. It’s a green product and meets all ROHS standard. The power button and display control buttons are on the front of the monitor.
  • Page 5 Acer Acer –LCD-X193HQ -20°C to 60°C Temperature range Relative humidity 5% to 80% Altitude 0 to 12191M (40000 ft) 2.2 Safety, EMC, Ergonomics and Compatibility Requirements Items Description UL/cUL TUV/GS BSMI Other Safety ● ● ● ● ● FCC-B CE/EMC...
  • Page 6 Acer Acer –LCD-X193HQ +5.2V audio output <200mv DC Output Voltage and Current VCC14.2V(13.5~16.3V); 0.8A(typ.),1.0A(max) VCC5.2V(4.95~5.45V); 0.8A(typ.),1.0A(max) Audio VCC5.2V(4.95~5.45V) 0.5A(typ.),0.6A(max) Power consumption with Audio ≤25W Protection See Table-1 Power management See Table-2 Note2. Before each test, the buck capacitor need to be discharged.
  • Page 7 Acer Acer –LCD-X193HQ The test to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. Temperature : 25 ± 5°C Test pattern : white Video Resolution : 1366 x 768 Video input level : 700 mV ±...
  • Page 8 Acer Acer –LCD-X193HQ Through D-SUB/DVI connectors, this unit can support F = 31~80 KHz, Fv=55~76Hz, Modes details as below: Resolution Resolution Horizontal Vertical Nominal Pixel Mode (active dot) (total dot) Frequency (KHz) Frequency (Hz) Clock (MHz) 640x480@60Hz 800 x 525 31.469...
  • Page 9 Acer Acer –LCD-X193HQ X193HQ DVI EDID table X183H VGA EDID table X183H VGA EDID table 4.5 Audio signal...

  • Page 10: Function Specifications

    Acer Acer –LCD-X193HQ Items Specification ≧ ≧ ≧ ≧ 10K ohm Input impedance 200Hz – 20kHz Frequency response range ≧ ≧ ≧ ≧ 40 dB Signal to noise ratio ≧ ≧ ≧ ≧ 1.0 W + 1.0 W ( 10%THD ) Output power 5.
  • Page 11 Management” to show “e Color OSD”, and press “User” to show OSD interface [MENU] before. The translations of “ACER e Color Management” and “User” are always English. B. When OSD displays, press [MENU] to perform function of menu icon that is highlight or enter next level menu A.

  • Page 12: Flat Panel Specification

    Acer Acer –LCD-X193HQ User mode Text mode Standard Brightness 0 ~ 100 mode Graphics mode Movie mode Focus 0 ~ 100 Depend on each timing Image Clock 0 ~ 100 50 ○ ○ ○ ○ H. Position 0 ~ 100 Position V.
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  • Page 41: Exploded Diagram

    Acer Acer –LCD-X193HQ Exploded Diagram 3.1 Screw List Fixed Item Part No. Description Remark T(kg*cm) SCREW,P,CROSS Power Board to 509146305300R 4.5~5.0 W/WAS,M3*5,Zn ROHS Chassis*3 509000000700R BOLT,#4-40x11.8,Ni ROHS 4.0±0.5 D-SUB CON*2 SCREW P T4*12 Zn-BLK 509112612500R 8±0.5 Hinge to Stand ROHS...
  • Page 42 Acer Acer –LCD-X193HQ 3.2 . LCD Exploded drawing (All)

  • Page 43: Troubleshooting

    Acer Acer –LCD-X193HQ 04 Troubleshooting 4.1 No Power & LED Off No power Check primary Check Check IC802, circuit if rectifier voltage C805, T801, short Check F801, P801, RT801, D801 Check pin2 of CheckC815,D806, IC802 voltage about 16V Check primary OVP,...
  • Page 44 Acer Acer –LCD-X193HQ 4.2 Unstable Power Unstable power Check sampling Check R811, Circuit R818, R810, R811, R818, R810, R825, Check the C Check the R Change IC803 pin voltage of pin voltage of IC803 if 3V IC80 about Check Check pin2...
  • Page 45 Acer Acer –LCD-X193HQ 4.3 DC output voltage is unstable Output voltage unstable Check ZD801, Check Vbe of Checkcircu D803, D805 Q801below 0.3V it if Check Q801, Q802 Check R832,, IC801, Check Check Pin R of IC803 voltage reference about 2.5V...
  • Page 46 Acer Acer –LCD-X193HQ 4.4 No Raster No raster? LED Blue? Backlight can’t be turned on. Check power Is there 16Vdc supply voltage on pin9 of IC501? Is there high-level Check I/F Is Ok R510? voltage on pin8 of board IC501?
  • Page 47 Acer Acer –LCD-X193HQ 4.5 Black Screen...
  • Page 48 Acer Acer –LCD-X193HQ 4.6. White screen...
  • Page 49 Acer Acer –LCD-X193HQ Bad Screen...

  • Page 50: Spare Parts List

    Acer Acer –LCD-X193HQ 05 Spare parts List ACER PART UNIT PRICE OEM PART NO DESCRIPTION ET.LEH0C.024 (US$) 55.LEH0J.001 791931300702R PCBA,I/F BOARD,W/SPK,LE18K3-712 ROHS 6.20 19.LEH0J.001 791931400700R PCBA,P/I BOARD,W/SPK,LE18K3-712 ROHS 10.00 55.LAU0J.002 790061500000R PCBA,KEYPAD BOARD,LE1983-X10 ROHS 1.00 50.LEH0J.001 430300802230R HRN ASSY 2x4P to 8P 190mm UL1571#28 0.29...

  • Page 51: Schematics And Layouts

    Acer Acer –LCD-X193HQ 06 Schematics and Layouts 6.1 PI BD Layout...
  • Page 52 Acer Acer –LCD-X193HQ 6.2 PI BD Layout...
  • Page 53 Acer Acer –LCD-X193HQ 6.3 IF BD Layout...
  • Page 54 Acer Acer –LCD-X193HQ 6.4 IF BD Layout 6.2 Switching Mode Power Supply circuit...

  • Page 55: Appro By

    C820 4700P Y1 C802 R802 1n 500V T801 C805 400V SPW-093 68u/450V +14V R836 R843 R842 D805 R833 R832 R823 SB5150 100R 1W R803 D801 68ohm 10K NC 68ohm R838 2.7M C808 C811 ZD801 Q802 R806 BL4-06 470uF 25V R837 1n 500V MMBT4401 NC 4.7R...
  • Page 56 C516 CN504 10p/3KV 4100-D02 C510 C509 R520 R515 R517 2.2u/25V 390 1% 10K 1% R501 100K C520 C522 3300p/50V C511 C512 R519 680pF/50V 2.2u/25V Q501 MMBT4401 Q502 ON/OFF R502 MMBT4401 100K L<2.cm C502 R503 W=2.0mm 220p/50V 100K C508 T501 1u/16V C514 C503 R506...
  • Page 57 VCC5V CN101 VGA5V D107 +3.3V BAT750-LF/NC DVI5V Note 5 Note 6 Note 2 CCFL_ON/OFF R110 R104 0/NC Note 3 U102 D101 BRIGHTNESS 5 U101 +3.3V LD1117AL-1.8V +1.8V VOLUME SSM24APT LD1117AL-3.3V VCC5V +3.3V MUTE VOUT +1.8V DIO--SMA DCR_CONTROL 5 VOUT +3.3V R199 100 R101 10P 2.0mm...

  • Page 58: Nt68667 Common Board

    CN102 Note 2 DZ11AA1-H5W6-4F RB101 R114 C113 0.047u/16V RED+ R0603 RB102 R115 C114 0.047u/16V GREEN+ R0603 RB103 R116 C115 0.047u/16V BLUE+ R0603 VGA5V R159 470 1% C134 0.047u/16V Note 1 C116 C117 C118 R0603 10p/50V/NC 10p/50V/NC 10p/50V/NC R122 C119 0.047u/16V RED- R123 C120 0.047u/16V...
  • Page 59 VCC5V DVI5V DVI5V CN201 DVI-D_CON VCC5V 2,3,5 DVI_RX2- R201 Note 1 RX2- RX2- DVI_RX2+ R202 RX2+ RX2+ DVI_RX1- R203 R215 RX1- D201 RX1- DVI_RX1+ R204 0/NC C201 BAV70 RX1+ RX1+ 0.1/16V DVI_RX0- R205 RX0- RX0- DVI_RX0+ R206 RX0+ RX0+ R211 R212 R213 DVI_RXC+...
  • Page 60 CN107 CN105 +3.3V DVDD_3V3 +3.3V AVCC_3V3 PVCC_3V3 +3.3V VAA_3V3 +1.8V Note8 FFC-CON/NC Note7 FFC-CON +3.3V Note 1 Note 1 Note 1 Note 1 Note 1 FB102 FB104 FB107 FB106 RXO0- RXO0+ 60Ω 60Ω 60Ω 60Ω RXO1- C139 RXO1+ C141 C150 1u/16V C138 RXO2-...

  • Page 61: Assembly And Disassembly

    Acer Acer –LCD-X193HQ 7.0 Assembly and Disassembly S e q u e n c e Ite m P h o to P r o c e d u r e s P /N D e s c rip tio n (1 ).T a k e p a n e l o u t o f b o x a n d p la c e it o n...
  • Page 62 Acer Acer –LCD-X193HQ Assembly and Disassembly (continue) FFC socket (1).Insert FFC wire into its relevant interface of mainboard properly like Keypad cable socket Insert FFC attached picture1. HRN LVDS FFC cabel into (2).Insert the short keypad into its 430303001970R 30P 147MM...
  • Page 63 Acer Acer –LCD-X193HQ Assembly and Disassembly (continue) make sure keypad cable into the interface HRN ASSY 2x4P to Pack keypad Insert the keypad cable into the chassis keypad cable 430300802230R 8P 190mm cable as picture through chassis UL1571#28 (1). Handle hexagonal screws and electric opener (2).
  • Page 64 Acer Acer –LCD-X193HQ Assembly and Disassembly (continue) Insert the FFC cable into the interface of HRN LVDS FFC 430303001970R panel as picture 30P 147MM insert FFC 1)Insert 4pcs light wire into the relevant position 2) put the balance light wire to the...
  • Page 65 Acer Acer –LCD-X193HQ Assembly and Disassembly (continue) Picture 1 left speaker Put the right and left speaker into the two position of chassis , remark : put the SPEAKER 2W 8Ω speaker with green cable to left ,and put 618100200360R...
  • Page 66 Acer Acer –LCD-X193HQ Assembly and Disassembly (continue) COVER Put the right and left cover hinge into the 501020225700R HINGE,BLACK related position as picture RIGHT,LE18K3 (1)Release monitor to the packing line (2)Put monitor into carton like the attached picture...

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