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Acer AL722 Manual

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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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  • Page 1: Table Of Contents

    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.

  • Page 2: Electrical Requirements

    1. ELECTRICAL REQUIREMENTS A. LCD Panel Specification Display: Compatibility: Synchronization Frequencies: Resolution: Active Display Area: Viewing Angles: Display Colors: Power Supply: Power Consumption: Environmental: 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

    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. Ear phone jack. 8.

  • Page 4: Display Modes For Inspections

    D. Display Modes FOR Inspections D-1 Supported Timing FH(KH SYNC TIMING FV(HZ) POLARITY 640x350 31.469 ＋ VGA-350 70.087 － 640x400 24.83 － NEC PC9801 56.42 － 640x400 31.5 － NEC PC9821 70.15 － 640x480 31.469 － VGA-480 59.94 － 640x480 －...

  • Page 5: Vl-710 Display Control Board

    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. B.

  • Page 6: Connector Locations

    D. Connector Locations E. Connector Type Location Type DZ11A91-L8 P1.524 85205-1200 85205-1400 85205-1000 E&T 46213-4001D-40P-P1.25 E&T 40 F. Connector pin assignment F-1 CN1 Pin NO. Signal R-Video G-Video B-Video N. C. PCDETECT Ground Ground Ground 5VCC Ground Maker Number of pins FEMALE ACES 12 ACES 4...
  • Page 7 F-2 CN7 Terminal No. Symbol 1, 3, 5, 7 TXE0- TXE0+ TXE1- TXE1+ TXE2- TXE2+ TXECLK- TXECLK+ TXE3- TXE3+ TXO0- TXO0+ TXO1- TXO1+ TXO2- TXO2+ TXOCLK- TXOCLK+ TXO3- TXO3+ 9, 11, 13, 15 17, 19, 21, 23 25, 27, 29, 31 33, 35, 37, 39 Function 5V POWER SUPPLY...
  • Page 8 F-3 CN3 Pin NO. Signal 1,2,3 12 VCC BLON 5,6,10,11,12 5 VCC BRIGHT F-4 CN8 Pin NO. Signal 12 VCC 5 VCC F-5 CN4 Pin NO. Signal MUTE LED-Y LED-G KEY-UP KEY-DOWN KEY-R KEY-L KEY-POWER Comment Inverter Power Output. Bright Light ON/OFF. Inverter Power Output.

  • Page 9: Vk-715 Control Panel And Audio Board

    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

    I. Connector pin Assignment E-1 J1 Pin NO. Signal 2,5,8 OUTL - OUTL + OUTL - OUTL + E-2 J5 Pin NO. Signal MUTE LED-Y LED-G 4,10 KEY-UP KEY-DOWN Function select down to VL-515 KEY-R KEY-L KEY-PWR E-3 J3 and J4 Pin NO.

  • Page 11: Switch Definition

    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

    4. DC/DC POWER and Audio CKT VM-517 A. Input: 12V ±5% from adapter (LSE 9901B1260) B. Output: ITEM Output Voltage Max Load. C. Efficiency: 80% min at Maximum Load. D. Connector Locations E. Connector type for VM-515 Location Type J801 DC-IN SCJ-0345-1-X-S 96113-0803...

  • Page 13: Connector Pin Assignment

    Connector pin Assignment F-1 J801 DC 12V Input Pin No Pin 1 Pin 2 F-2 J802 FOR I/F CKT Pin No Pin 1 Pin 3, 4 Pin 2 F-3 J3 FOR Audio input Pin No Pin 1 Pin 2 Pin 3 F-4 J2 TO Speaker CKT Pin No Pin 2, 5, 8...

  • Page 14: Pk070011400/Lienhang Inverter Board

    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) INPUT VOLTAGE INPUT CURRENT Normal BACKLIGHT VOLTAGE LAMP CURRENT DRIVING FREQUENCY EFFICIENCY PWM dimming frequency Vin ON/OFF sequence...

  • Page 15: Connector Locations

    C. Connector locations D. Connector pin Assignment D-1 CN1(ACES, 85205-1200 12P) Pin NO. Signal 1,2,3 5,6,10,11,12 GND BLT_ON +5VS BRITE D-2 CN2,CN3 (JST SM04(4.0)B-BHS-14P) Pin NO. Signal Comment +12V Back-light ON/OFF control , high active(5V) +5VS BRITE Brightness (0-5V)control from I/F 0V for max.

  • Page 16: Ac Adapter (Lsl9901B12320)

    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. • Inrush current @ cold start 30A(0-peak)@ 110Vac ,50A(0-peak) @ 220Vac •...

  • Page 17: Introduction

    8. Introduction A. Front Panel Control and Led Item Control Stereo Speakers Speaker Volume Control DC Power Switch DC Power-On Indicator Function Select Buttons Adjustment Control Buttons External Headphone Jack Front Panel Controls Function PC Audio Stereo output. Increase Volume - Turn the knob clock wise. Decrease Volume - Turn the knob counter clock wise.

  • Page 18: Rear Panel Connector Input Signals

    B. Rear Panel connector Input Signals C. Rear Panel Cable and Connector Item Cable / Connector Signal Connector Power Connector Audio connector Function Connectors the video cable Connectors the adapter cable Connector the audio cable...

  • Page 19: Troubleshooting

    9. TROUBLESHOOTING A. Main Procedure CM67B...
  • Page 20 Power Circuit Troubleshooting...
  • Page 21 Backlights Troubleshooting...
  • Page 22 Performance Troubleshooting...
  • Page 23 Function Troubleshooting...

  • Page 24: Appendix A: Parts Lists

    APPENDIX A: PARTS LISTS...
  • Page 25 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 A-4 461A7830011–Firmware CTRLl Board (VL-710)
  • Page 27 POWER CORD( EU) ET.72202.005 LAM67BY1003 CABLE POWER CORD (AU) CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY LCD COVER ASSY CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY LCD BEZEL A'SSY (ACER) CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY CHASSIS CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010 KET ASSEMBLY EMI SHIELD CASE/COVER/BRAC ET.72202.004/005/009 LAM67BY1003/1004/1010...
  • Page 28 ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT S IC ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT SM DIODE ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT S IC ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT S IC ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT SM IC ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT SM IC ET.72202.004/005/009 LAM67BY1003/1004/1010 PCB COMPONENT...

  • Page 29: Appendix B: Display Unit Assembly

    APPENDIX B: DISPLAY UNIT ASSEMBLY...
  • Page 31 SPECIFICATION ------------------ -------------------------------------- T1 T1 T1 T1 T1 001 002 003 004 005 UR+TCO99 110V WG017 17"AU UR+TCO99 WG017 17"AU AL722 UR+TCO99 WG017 17"AU AL722 UR+TCO99 WG017 17"AU AL722 UR+TCO99+C-T WG017 17"AU AL722 LSE SLS9901B12320 12V/5A IVO SP022X1.8MXIS14 H05VV-F OPL SP305X1.8MXIS14 SVT OPL...
  • Page 32 - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # LAM67BT1006 LAM67BT ABO-ASIA # LAM67BT1007 LAM67BT ABO-USA # LAM67BT1008 LAM67BT ABO-Switzerland UR+TCO99 WG017 17"AU AL722 # LAM67BT1009 LAM67BT ABO-UK # LAM67BY1001 LAM67BY ABO...
  • Page 33 ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # LAM67BY1007 LAM67BY ABO-USA # LAM67BY1008 LAM67BY ABO-Europe # LAM67BY1009 LAM67BY ABO-Taiwan # LAM67BY1010 LAM67BY ABO-Europe 1 PK100005010 AC ADAP 2 GA0200000C0 POWER CORD SET 3 GA040080200 PWR CORD 4 GA0500000C0 POWER CORD SET...
  • Page 34 VS558-L002 ABO COVER TWN VS558-L001 ABO 15" CARTON-TWN End of Report QUANTITY REQUIRED SPECIFICATION ------------------ -------------------------------------- 30 30 001 002 LCM87A (WG017) LAM67BY WG017 CM8715 (ACER) CM8716 (ACER) CM8722 End of Report DWG.NO. 680063 REMARKS - 001 - 003 - 004 - 005...
  • Page 37 \\M-id\ART1\ \\M-id\ART1\ MANUAL\service\AB MANUAL\service\AB ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 58271030001 DIS ABO # 58271030002 DIS ABO # 58271030003 DIS ABO 1 AC600018410 LCD MODU 2 AC600019810 LCD MODU 3 DC020138000 HOUSING CONN.
  • Page 38 8 FACM3523000 NECK COVER 9 ECCM872A000 HINGE ASSEMBLY 10 FACM3531000 SWIVEL CAP 11 FAAM671A100 BEZEL ASY 12 FACM871B010 BACK COVER ASY 13 FACM871B011 BACK COVER ASY(ACER) 14 FACM8721000 REAR COVER 15 FACM8721001 REAR COVER(ACER) 16 FHCM7741000 RUBBER 17 MAA20085605 SCREW...

  • Page 39: Appendix C: P.c.b.a Assembly

    APPENDIX C: P.C.B.A ASSEMBLY...
  • Page 40 FCM1608C-300T06 PC_R PC_LR FCM1608C-300T06 DDC_SDA PC_G PC_LG FCM1608C-300T06 HSYNC PC_B PC_LB VSYNC DDC_5VCC DDC_SCL PCDETECT E&T 1211-15 3.3VDD 10uF/10V HSYNC HSYNC_MX FCM1608K-102T02 HSYNC_14 HSYNC_14 VSYNC Fairchild_74LCX14MX ESD parts Del C18,R14,ZD1 Add D3,D4,D5,D6 DDC_SDA DDC_SCL VSYNC HSYNC Z5.6V# Z5.6V# Z5.6V# Z5.6V# 5VCC PC_B PC_R...
  • Page 41 2.5VDD RC0805D 2.5VDD 0.1uF 0.1uF 0.1uF 0.1uF Remove 4.7K SBCS# net"3WSBCS","3WSBCLK","3WSBDATA". 3.3VDD Add R57 at U6.66 to 3.3VDD U6.67 link to SDA U6.68 link to SCL 3.3VDD /RESET /RESET PDA_R[0..7] PDA_R[0..7] PDA_R0 PDA_R1 PDA_R2 PDA_R3 PDA_R4 PDA_R5 PDA_R6 PDA_G[0..7] PDA_R7 PDA_G[0..7] PDA_G0 PDA_G1...
  • Page 42 RESET SOURCE 0.1uF 5VCC 5VCC RESET Reset MCP810-450I/TT DIO/MA730 ON_MAX810MTR-4.38 RESET PCDETECT 0.1uF EEPROM 5VCC SO-8 U10 24LC16 TEST I2C Address A0h Inverter Connector BLM21P300S RC0805D 5VCC 12VCC 100uF/16V 0.1uF 0.1uF 5VCC 100uF/16V E&T_96113-1202 5VCC BRIGHT 5VCC 4.7K COLLECTOR PWM0 4.7uF/10V 2SC2411K SOT-23B...
  • Page 43 C108 0.1uF 0.01uF 0.1uF 0.01uF 0.1uF 0.01uF PWRDWN MYSON_CS5824 Use R51 and R52 selector panel voltage. +5V(R52) ---> FUJITSU "FLC44SXC8V" +5V(R52) ---> hynix"HT17E11-100" +5V(R52) ---> Acer"L170E3-1" PANEL_VDD SI4435_SO8 C112 10uF/10V TTL Panel connector 1 LCKA_L LDTG_R LVSYNC_R LHSYNC_R PANEL_VDD PANEL_VDD HIROSE_DF13-30DP-1.25V#...
  • Page 44 Power input (+12V,+5V) BLM21P300S RC0805D C113 100uF/16V E&T 96118-0413 BLM21P300S RC0805D C115 100uF/16V 10K# REGULATOR +5V->3.3V Fairchild_FAN1084D 5VCC Vout C117 C119 100uF/16V 0.1uF 12VCC 12VCC C114 0.1uF 5VCC 5VCC C116 0.1uF 3.3VDD 3.3VDD Vout C120 C118 AMC7585-X.X 0.1uF 1000uF/6.3V TO-263 ADJ/GND Vout *All Res.
  • Page 45 \\M-id\ART1\ MANUAL\service\AB ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 461A7030001 FIRMWARE CTRL/B # 461A7030002 FIRMWARE CTRL/B # 461A7030011 FIRMWARE CTRL/B # 461A7030012 FIRMWARE CTRL/B # 461A7030013 FIRMWARE CTRL/B 1 451A7030001 PCBA CTRL/B 2 451A7030011 PCBA CTRL/B...
  • Page 46 ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 451A7030001 PCBA CTRL/B # 451A7030011 PCBA CTRL/B 1 431A7030001 SMT CTRL/B 2 431A7030011 SMT CTRL/B 3 BD111P0M100 SRYSTAL 4 BD114P3M010 CRYSTAL 5 CB10011M300 ELE CAP 6 CB10011M310 ELE CAP...
  • Page 47 ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 431A7030001 SMT CTRL/B # 431A7030011 SMT CTRL/B 1 DA4M67BV011 PCB 2 SA008100400 SM IC 3 SA010840400 SM IC 4 SA011170200 S IC 5 SA024160100 SM IC 6 SA024210300 SM IC...
  • Page 48 ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- 32 SE023473NT1 CHIP CERAMIC CAP. 33 SE024150JT9 CHIP CERAMIC CAP. 34 SE024220JT7 CHIP CERAMIC CAP. 35 SE024330J11 CHIP CERAMIC CAP. 36 SE025103KT4 CHIP CERAMIC CAP.
  • Page 49 ================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 431A7030021 SMT CTRL/B 1 DA4M67BV011 PCB 2 SA008100400 SM IC 3 SA010840400 SM IC 4 SA011170200 S IC 5 SA024160100 SM IC 6 SA024210300 SM IC 7 SA058830000 SM IC...
  • Page 50 ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- 32 SE023473NT1 CHIP CERAMIC CAP. 33 SE024150JT9 CHIP CERAMIC CAP. 34 SE024220JT7 CHIP CERAMIC CAP. 35 SE024330J11 CHIP CERAMIC CAP. 36 SE025103KT4 CHIP CERAMIC CAP.
  • Page 51 AudioBoard connector MainBoard connector LOUT ROUT L_EAR R_EAR LIN_2 RIN_2 LIN_1 RIN_1 MUTE E&T_96113_1113 MUTE LED_Y LED_G KEY_UP KEY_DOWN KEY_R KEY_L KEY_PWR E&T_96113_1013 PT-002-B2 PT-002-B2 PT-002-B2 PT-002-B2 PT-002-B2 ACES_87502_0200 STRAIGHT/2.5 SCJ-0348-C HZ9A2 HZ9A2 ACES_87502_0200 STRAIGHT/2.5 HZ9A2 HZ9A2 Add D2,D3,D4,D5 3' 2' 2 LYG2093 YEL/GRN *All Res.
  • Page 52 \\M-id\ART1\ MANUAL\service\AB ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 454A8130001 PCBA KEY/B 1 BC40HZ9A2T6 ZENER DIODE 2 BC5G2093000 LED 3 CF150021030 VR RES 4 DA1M67BV000 PCB 5 DC030040000 WAFER CONN 6 DC03E000500 WAFER CONN.
  • Page 53 Q805 (To Audio AMP)
  • Page 54        BOTTOM VIEW (To DC-DC) COLLECTOR 2SC2411K SOT-23B BASE EMITTER VR use 50K ohm (To DC-DC)
  • Page 55 \\M-id\ART1\ MANUAL\service\AB ==================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 455A3330011 PCBA AUDIO/B # 455A3330021 PCBA AUDIO/B # 455A3366001 PCBA AUDIO/B 1 435A3330011 SMT AUDIO/B 2 435A3330021 SMT AUDIO/B 3 435A3366001 SMT AUDIO/B 4 AB015170002 IC...
  • Page 56 =================================================================================================================================== C NO. PART NO. DESCRIPTION - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 435A3330011 SMT AUDIO/B # 435A3330021 SMT AUDIO/B # 435A3366001 SMT AUDIO/B 1 DA2M350V110 PCB 2 DA2M350V111 PCB 3 SA015630000 SM IC 4 SB1103600T3 SM TRANSISTOR 5 SB3241100T8 SM TRANSISTOR...

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