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All manuals and user guides at all-guides.com
1. ELECTRICAL REQUIREMENTS..................................................................... 2
A. LCD Panel Specification............................................................................................................................................2
B. CONTROLS ..............................................................................................................................................................3
C. Power Management ...................................................................................................................................................3
D. Display Modes FOR Inspections ...............................................................................................................................4
2. VL-710 DISPLAY CONTROL BOARD............................................................. 5
A. Description.................................................................................................................................................................5
B. Features......................................................................................................................................................................5
C. BLOCK DIAGRAM..................................................................................................................................................5
D. Connector Locations ..................................................................................................................................................6
E. Connector Type..........................................................................................................................................................6
F. Connector pin assignment..........................................................................................................................................6
3. VK-715 Control Panel and Audio Board ............................................................ 9
E. Description.................................................................................................................................................................9
F. Electrical characteristics (Tamb=25°)........................................................................................................................9
G. Connector and Switch Locations ...............................................................................................................................9
H. Connector and Switch Locations ...............................................................................................................................9
I. Connector pin Assignment.........................................................................................................................................10
J. J2................................................................................................................................................................................10
K. Switch definition........................................................................................................................................................11
L. LED definition ...........................................................................................................................................................11
M. Variable resistor .........................................................................................................................................................11
4. DC/DC POWER and Audio CKT VM-517 ........................................................ 12
A. Input:..........................................................................................................................................................................12
B. Output: .......................................................................................................................................................................12
C. Efficiency: 80% min at Maximum Load....................................................................................................................12
D. Connector Locations ..................................................................................................................................................12
E. Connector type for VM-515.......................................................................................................................................12
F. Connector pin Assignment.........................................................................................................................................13
5. PK070011400/LIENHANG INVERTER BOARD............................................. 14
A. Description.................................................................................................................................................................14
B. Electrical characteristics ............................................................................................................................................14
C. Connector locations ...................................................................................................................................................15
D. Connector pin Assignment.........................................................................................................................................15
6. AC Adapter (LSL9901B12320) ............................................................................ 16
A. Quick specification review ........................................................................................................................................16
7. CIRCUIT DESCRPTION .................................................................................... 16
A. Display-Controller .....................................................................................................................................................16
B. Circuit of Plug and Play.............................................................................................................................................16
C. Power Regulator ........................................................................................................................................................16
8. Introduction ........................................................................................................... 17
A. Front Panel Control and Led......................................................................................................................................17
B. Rear Panel connector Input Signals ...........................................................................................................................18
C. Rear Panel Cable and Connector ...............................................................................................................................18
9. TROUBLESHOOTING........................................................................................ 19
A. Main Procedure..........................................................................................................................................................19
Appendix A: Parts Lists ----------------------------------------------------------------------------------------
24
Appendix B: Display Unit Assembly ------------------------------------------------------------------------29
Appendix C: P.C.B.A Assembly ------------------------------------------------------------------------------
39
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Summary of Contents for Acer AL722

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 1. ELECTRICAL REQUIREMENTS..............2 A. LCD Panel Specification............................2 B. CONTROLS ................................3 C. Power Management ..............................3 D. Display Modes FOR Inspections ..........................4 2. VL-710 DISPLAY CONTROL BOARD............. 5 A. Description.................................5 B. Features..................................5 C. BLOCK DIAGRAM..............................5 D.
  • Page 2: Electrical Requirements

    All manuals and user guides at all-guides.com 1. ELECTRICAL REQUIREMENTS A. LCD Panel Specification Display: 17 inch (17” viewable image size): active matrix: thin film transistor (TFT): liquid crystal display (LCD): 0.264 mm dot pitch: R.G.B. Vertical stripe 200 cd//m white luminance, typical: 200:1 contrast ratio, Min.
  • Page 3: Controls

    All manuals and user guides at all-guides.com B. CONTROLS B-1 Control panel (monitor front panel) 1. Power LED 2. Adjust decrease. 3. Adjust increase. 4. Function select counter-clockwise. 5. Function select clockwise. 6. Power ON/OFF switch, push to ON and push to OFF. (toggle switch) 7.
  • Page 4: Display Modes For Inspections

    All manuals and user guides at all-guides.com D. Display Modes FOR Inspections D-1 Supported Timing FH(KH SYNC TOTAL ACTIVE SYNC FRONT BACK PIXEL TIMING FV(HZ) POLARITY (DOT/LINE) (DOT/LINE) WIDTH PORCH PORCH FOREQ.(MHZ) (DOT/LINE) (DOT/LINE) (DOT/LINE) 640x350 31.469 25.175 + VGA-350 70.087 -...
  • Page 5: Vl-710 Display Control Board

    All manuals and user guides at all-guides.com 2. VL-710 DISPLAY CONTROL BOARD A. Description The VL-710 display control board is design to directly convert the analog RGB signals from standard VGA display card to optimum LCD timing signals so as to construct a high display quality LCD monitor.
  • Page 6: Connector Locations

    All manuals and user guides at all-guides.com D. Connector Locations E. Connector Type Location Type Maker Number of pins DZ11A91-L8 P1.524 FEMALE 85205-1200 ACES 12 85205-1400 ACES 4 85205-1000 ACES 10 E&T 46213-4001D-40P-P1.25 E&T 40 F. Connector pin assignment F-1 CN1 Pin NO.
  • Page 7 All manuals and user guides at all-guides.com F-2 CN7 Terminal No. Symbol Function 1, 3, 5, 7 5V POWER SUPPLY TXE0- LVDS EVEN OUTPUT DATA PAIRS TXE0+ LVDS EVEN OUTPUT DATA PAIRS TXE1- LVDS EVEN OUTPUT DATA PAIRS TXE1+ LVDS EVEN OUTPUT DATA PAIRS TXE2- LVDS EVEN OUTPUT DATA PAIRS TXE2+...
  • Page 8 All manuals and user guides at all-guides.com F-3 CN3 Pin NO. Signal Comment 1,2,3 12 VCC Inverter Power Output. BLON Bright Light ON/OFF. 5,6,10,11,12 5 VCC Inverter Power Output. BRIGHT Brightness Adjustment. F-4 CN8 Pin NO. Signal Comment 12 VCC 12 VCC Power Input 5 VCC 5V Power Input...
  • Page 9: Vk-715 Control Panel And Audio Board

    All manuals and user guides at all-guides.com 3. VK-715 Control Panel and Audio Board E. Description The VK-715 is designed to offer a user interfaced control panel which passes and receives signals to and from VL-710 display control board. Also there is a stereo audio amplifier to drive a pair of speakers. When in power saving mode the audio circuit can be turned off by the control signal from VL-710 board.
  • Page 10: Connector Pin Assignment

    All manuals and user guides at all-guides.com I. Connector pin Assignment E-1 J1 Pin NO. Signal Comment Audio Volume Adjust 2,5,8 OUTL - Left side audio signal OUTL + Left side audio signal OUTL - Right side audio signal OUTL + Right side audio signal E-2 J5 Pin NO.
  • Page 11: Switch Definition

    All manuals and user guides at all-guides.com K. Switch definition Location Definition Power ON/OFF Function select by clockwise direction Function select by counter-clockwise direction Adjust up Adjust down L. LED definition Location Definition Green for ON mode; Yellow for OFF mode; yellow for Power Saving mode; Dark for DC power OFF mode.
  • Page 12: Dc/Dc Power And Audio Ckt Vm-517

    All manuals and user guides at all-guides.com 4. DC/DC POWER and Audio CKT VM-517 A. Input: 12V ±5% from adapter (LSE 9901B1260) B. Output: ITEM Output Voltage Max Load. Min Load Tolerance Ripple & Noise(max) 1.9A 0.25A 150mVpp ±5% C. Efficiency: 80% min at Maximum Load. D.
  • Page 13: Connector Pin Assignment

    All manuals and user guides at all-guides.com Connector pin Assignment F-1 J801 DC 12V Input Pin No Signal Comment Pin 1 +12V From adapter output cable Pin 2 From adapter output cable F-2 J802 FOR I/F CKT Pin No Signal Comment Pin 1 +12V...
  • Page 14: Pk070011400/Lienhang Inverter Board

    All manuals and user guides at all-guides.com 5. PK070011400/LIENHANG INVERTER BOARD A. Description The LI-2098 Inverter board is designed for lighting up the back-lights of LCD module. B. Electrical characteristics FOR FUJITSU PANEL (FLC44SXC8V) MIN. TYP. MAX. COMMENT INPUT VOLTAGE 11.4V 12.0V 12.6V...
  • Page 15: Connector Locations

    All manuals and user guides at all-guides.com C. Connector locations D. Connector pin Assignment D-1 CN1(ACES, 85205-1200 12P) Pin NO. Signal Comment 1,2,3 +12V 5,6,10,11,12 GND BLT_ON Back-light ON/OFF control , high active(5V) +5VS +5VS BRITE BRITE Brightness (0-5V)control from I/F 0V for max.
  • Page 16: Ac Adapter (Lsl9901B12320)

    All manuals and user guides at all-guides.com 6. AC Adapter (LSL9901B12320) A. Quick specification review • Input voltage Single phase, 50/60HZ, 100VAC to 240VAC ±10% • Input current 1.5A (max), at 90VAC input and full load 0.75A (max), at 264 VAC input and full load.
  • Page 17: Introduction

    All manuals and user guides at all-guides.com 8. Introduction A. Front Panel Control and Led Front Panel Controls Item Control Function PC Audio Stereo output. Stereo Speakers Increase Volume - Turn the knob clock wise. Speaker Volume Control Decrease Volume - Turn the knob counter clock wise. Press the power switch to switch the monitor ON/OFF.
  • Page 18: Rear Panel Connector Input Signals

    All manuals and user guides at all-guides.com B. Rear Panel connector Input Signals C. Rear Panel Cable and Connector Item Cable / Connector Function Signal Connector Connectors the video cable Power Connector Connectors the adapter cable Audio connector Connector the audio cable...
  • Page 19: Troubleshooting

    All manuals and user guides at all-guides.com 9. TROUBLESHOOTING A. Main Procedure CM67B...
  • Page 20 All manuals and user guides at all-guides.com Power Circuit Troubleshooting...
  • Page 21 All manuals and user guides at all-guides.com Backlights Troubleshooting...
  • Page 22 All manuals and user guides at all-guides.com Performance Troubleshooting...
  • Page 23 All manuals and user guides at all-guides.com Function Troubleshooting...
  • Page 24: Appendix A: Parts Lists

    All manuals and user guides at all-guides.com APPENDIX A: PARTS LISTS...
  • Page 25 All manuals and user guides at all-guides.com A. FRU Board A-1 PCBA Inverter board A-2 454A8130001 –PCBA Key Board (VK-715) A-3 455A3330021 –PCBA Audio Board (VM-517)
  • Page 26 All manuals and user guides at all-guides.com A-4 461A7830011–Firmware CTRLl Board (VL-710)
  • Page 27 POWER CORD (AU) POWER CORD (AU) CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY LCD COVER ASSY LCD COVER CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY LCD BEZEL A'SSY (ACER) LCD BEZEL A'SSY (ACER) CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY CHASSIS CHASSIS CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY...
  • Page 28 All manuals and user guides at all-guides.com ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT S IC SM2965C40J PLCC-44 ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT SM DIODE 1N4148 (SM) ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT CM87C VF-706 REV1 ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT S IC MX88L250EC-S QFP12 ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT S IC CS5824 TSSOP-56 LV...
  • Page 29: Appendix B: Display Unit Assembly

    All manuals and user guides at all-guides.com APPENDIX B: DISPLAY UNIT ASSEMBLY...
  • Page 30 All manuals and user guides at all-guides.com...
  • Page 31 - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # LAM67BT1001 LAM67BT ABO CHN UR+TCO99 110V WG017 17"AU # LAM67BT1002 LAM67BT ABO-EUROPE UR+TCO99 WG017 17"AU AL722 # LAM67BT1003 LAM67BT ABO-CHINA UR+TCO99 WG017 17"AU AL722 # LAM67BT1004 LAM67BT ABO-TAIWAN UR+TCO99 WG017 17"AU AL722...
  • Page 32 - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # LAM67BT1006 LAM67BT ABO-ASIA UR+TCO99 WG017 17"AU AL722 # LAM67BT1007 LAM67BT ABO-USA UR+TCO99 WG017 17"AU AL722 # LAM67BT1008 LAM67BT ABO-Switzerland UR+TCO99 WG017 17"AU AL722 # LAM67BT1009 LAM67BT ABO-UK UR+TCO99 WG017 17"AU AL722 # LAM67BY1001 LAM67BY ABO UR+TCO99 WG017 17"HYDIS...
  • Page 33 All manuals and user guides at all-guides.com ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. LAM67B REV. 0B C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- Y1 Y1 Y1 Y1 007 008 009 010 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # LAM67BY1007 LAM67BY ABO-USA UR+TCO99 WG017 17"HY 1280X1024 # LAM67BY1008 LAM67BY ABO-Europe...
  • Page 34 LCM87A (WG017) # X66A5630002 MECHANICAL PACKING LAM67BY WG017 1 FJCM8715100 EPE FOAM RIGHT CM8715 - 201 2 FJCM8715200 EPE FOAM (R) (ACER) - 201 3 FJCM8716100 EPE FOAM LEFT CM8716 - 202 4 FJCM8716200 EPE FOAM (L) (ACER) - 202...
  • Page 35 All manuals and user guides at all-guides.com...
  • Page 36 All manuals and user guides at all-guides.com...
  • Page 37 All manuals and user guides at all-guides.com \\M-id\ART1\ \\M-id\ART1\ MANUAL\service\AB MANUAL\service\AB ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 582710 REV. 0B C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 30 001 002 003 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 58271030001 DIS ABO LAM67BT TCO99 17"AU 1280X1024 # 58271030002 DIS ABO...
  • Page 38 - 013 11 FAAM671A100 BEZEL ASY ABS+PC WG017 - 014 12 FACM871B010 BACK COVER ASY ABS+PC WG017 - 015 13 FACM871B011 BACK COVER ASY(ACER) ABS+PC WG017 - 015 14 FACM8721000 REAR COVER CM8721 - 016 15 FACM8721001 REAR COVER(ACER) CM8721 WG017...
  • Page 39: Appendix C: P.c.b.a Assembly

    All manuals and user guides at all-guides.com APPENDIX C: P.C.B.A ASSEMBLY...
  • Page 40 All manuals and user guides at all-guides.com 3.3VDD 3.3AVDD FCM1608C-300T06 0.047uF PC_R PC_LR RDA7 Rain FCM1608C-300T06 RDA6 DDC_SDA PC_G PC_LG 0.047uF RDA5 FCM1608C-300T06 RDA4 Gain HSYNC PC_B PC_LB 1000pF# RDA3 VSYNC RDA2 SOGIN DDC_5VCC RDA1 DDC_SCL 0.047uF RDA0 3900pF PCDETECT Bain GDA7 3.3AVDD...
  • Page 41 BLM21P300S All manuals and user guides at all-guides.com RC0805D 3.3VDD 3.3VDD 2.5VDD C121 C122 C123 C124 C125 C126 C127 100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF RC0805D 2.5VDD 0.1uF 0.1uF 0.1uF 0.1uF RA[0..7] RA[0..7] 0.1uF MX_RA0 Remove 4.7K MX_RA1...
  • Page 42 All manuals and user guides at all-guides.com 5VCC RESET SOURCE 0.1uF 0.1uF 5VCC 5VCC /RESET 22pF 5VCC RESET Reset DTC124EK EA/VP P0.0 P0.1 MCP810-450I/TT 11.0592MHz XTAL1 P0.2 DIO/MA730 ON_MAX810MTR-4.38 P0.3 22pF P0.4 XTAL2 P0.5 P0.6 RESET P0.7 RESET 5VCC P2.0 P2.1 INT0/P3.2 P2.2...
  • Page 43 0.1uF 0.01uF 0.1uF 0.01uF LVDS_CTL PWRDWN MYSON_CS5824 5VCC 3.3VDD PANEL POWER Use R51 and R52 selector panel voltage. +5V(R52) ---> FUJITSU "FLC44SXC8V" +5V(R52) ---> hynix"HT17E11-100" +5V(R52) ---> Acer"L170E3-1" R1206D R1206D COLLECTOR C128 C111 DTC124EK SOT-23B 1000uF/6.3V# 1000uF/16V 4.7K 4.7K PANEL_VDD...
  • Page 44 All manuals and user guides at all-guides.com Power input (+12V,+5V) BLM21P300S RC0805D 12VCC 12VCC C113 C114 100uF/16V 0.1uF E&T 96118-0413 BLM21P300S RC0805D 5VCC 5VCC C115 C116 100uF/16V 0.1uF 10K# REGULATOR +5V->3.3V Fairchild_FAN1084D 3.3VDD 3.3VDD 5VCC Vout Vout C117 C119 C120 C118 AMC7585-X.X TO-263...
  • Page 45 All manuals and user guides at all-guides.com \\M-id\ART1\ MANUAL\service\AB ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 30 30 30 001 002 011 012 013 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 461A7030001 FIRMWARE CTRL/B VL-710 LCM57BF COMPAL # 461A7030002 FIRMWARE CTRL/B...
  • Page 46 All manuals and user guides at all-guides.com ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 001 011 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 451A7030001 PCBA CTRL/B VL-710 LCM57BF # 451A7030011 PCBA CTRL/B...
  • Page 47 All manuals and user guides at all-guides.com ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 001 011 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 431A7030001 SMT CTRL/B VL-710 LCM57BF # 431A7030011 SMT CTRL/B...
  • Page 48 All manuals and user guides at all-guides.com ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 001 011 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- 57 57 - C114 C116 C119 C120 C121 C122 C123 C124 C125 C126 C127 C13...
  • Page 49 All manuals and user guides at all-guides.com ================================================================================================================================== QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 431A7030021 SMT CTRL/B VL-710 LCM67BT 1 DA4M67BV011 PCB CM67B VL-710 REV1A...
  • Page 50 All manuals and user guides at all-guides.com ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- 32 SE023473NT1 CHIP CERAMIC CAP. .047U 50V -20+80% Y5V 0603 S8 - C1 33 SE024150JT9 CHIP CERAMIC CAP.
  • Page 51 All manuals and user guides at all-guides.com LOUT AudioBoard ROUT connector L_EAR SCJ-0348-C R_EAR LIN_2 RIN_2 HZ9A2 LIN_1 RIN_1 MUTE E&T_96113_1113 HZ9A2 Add D2,D 3' 2' 2 MainBoard MUTE LED_Y connector LED_G KEY_UP KEY_DOWN KEY_R KEY_L KEY_PWR E&T_96113_1013 LYG2093 YEL/GRN PT-002-B2 PT-002-B2 PT-002-B2...
  • Page 52 All manuals and user guides at all-guides.com \\M-id\ART1\ MANUAL\service\AB ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 454A81 REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 454A8130001 PCBA KEY/B VK-715 LAM67BT 1 BC40HZ9A2T6 ZENER DIODE...
  • Page 53 All manuals and user guides at all-guides.com Q805 - ;/ (To Audio AMP) >/ 7 (/ 6/ >! 00 A@   / / (/ 7B / / !  / <'.= (/ (/     /   (/ 7B  : '/ / '/ !4/ / 6/ 6/ ./  9 3@ /8...
  • Page 54 All manuals and user guides at all-guides.com        > . 0  8  879 (4'D . 0  8  879 .4'D . 0  8  ! >   A ! 1 1 - (To DC-DC)  6! 7 ? VR use 50K ohm BOTTOM VIEW  !<0 (4'D 4'  <3 ? - .4'D...
  • Page 55 All manuals and user guides at all-guides.com \\M-id\ART1\ MANUAL\service\AB ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 455A33 REV. 1H C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 66 011 021 001 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 455A3330011 PCBA AUDIO/B VM-517 LCS35H # 455A3330021 PCBA AUDIO/B...
  • Page 56 All manuals and user guides at all-guides.com =================================================================================================================================== QUANTITY REQUIRED DWG.NO. 455A33 REV. 1H C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 66 011 021 001 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 435A3330011 SMT AUDIO/B VM-517 LCS35H # 435A3330021 SMT AUDIO/B...

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