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Acer AL532 Service Manual

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AL532
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Summary of Contents for Acer AL532

  • Page 1 AL532 Service Manual...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE WARNING A. IMPORTANT SAFETY INSTRUCTION B. SPECIFICATIONS C. TIMING CHART D. CONTROL LOCATION E. CONDUCTION VIEW F. ADJUSTMENT PROCEDURE G. TROUBLE SHOOTING HINTS H. REPLACEMENT PARTS LIST I. BLOCK DIAGRAM J. SCHEMATIC DIAGRAM ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙...

  • Page 3: Service Warning

    To prevent from fire or shock hazard,do not expose monitor to any rain or any form of water.High voltage is inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified monitor engineer.Contact the local dealer or the nearest Acer branch office if you need help. A. IMPORTANT SAFETY INSTRUCTION Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product.

  • Page 4: Specifications

    1. Maximum Resolution 2. Recommend Resolution 3. Synchronization Range Horizontal Vertical 4. Active Display Area 5. Dot Pitch 6. Support display colors 7. Contrast Ratio (Typical) 8.Luminance of White 9. Bandwidth 10. User Control 11. OSD Function 12. View Angle Horizontal Vertical 13.

  • Page 5: Timing Chart

    C.TIMING CHART Back porch Active display Sync-width Preset Modes 720X400 Pixel clock 28.325 (MHz) H-Frequency 31.472 (KHz) 31.774 H-Total µ 25.419 H-Active Display (µs) 6.355 H-Blanking (µs) 0.635 Front Porch (µs) 3.813 H-Sync-width (µs) 1.906 H-Back Porch (µs) V-Frequency 70.1 (Hz) V-Total 14.267...
  • Page 6 VESA Preset Modes 800X600 50.000 Pixel clock (MHz) 48.077 H-Frequency (KHz) H-Total (µs) 20.800 16.000 H-Active Display (µs) 4.800 H-Blanking (µs) 1.120 Front Porch (µs) 2.400 H-Sync-width (µs) 1.280 H-Back Porch (µs) 72.2 V-Frequency (Hz) 13.853 V-Total (ms) 12.480 V-Active Display (ms) 1.373 V-Blanking (ms)

  • Page 7: Control Location

    D. CONTROL LOCATION Font control panel 1. Menu Button 2. Select Button 3. Auto Button 4. Power Button 5. LED (Power Display) Rear panel 1. VGA Signal Cable 2. Power jack 3. Line in jack...

  • Page 8: Conduction View

    E. CONDUCTION VIEW MAIN BOARD (Component Side)
  • Page 9 MAIN BOARD (Solid Side)
  • Page 10 CONTROL BOARD (Component Side) CONTROL BOARD (Solid Side)

  • Page 12: Adjustment Procedure

    F. ADJUSTMENT PROCEDURE ﹟ Test Meter ITEM ﹡ Test Point Program Menu. ﹫ Pattern ﹟ Digital Voltmeter Check ﹡ CN7 ﹫ Crosshatch Pattern (31.5KHz,640x480) Power Saving ﹟ Wattmeter Check ﹟ PC or Pattern generator ﹫ Crosshatch Pattern (31.5KHz,640x480) Into Factory ﹟...

  • Page 13: Trouble Shooting Hints

    G. TROUBLE SHOOTING HINTS No Display ( Black ) LED ON Push the power switch ON/OFF LED Color change ? Check main board U2/Pin2 Hi / Lo under push power To Step 2 Power adapter ? Back light Check the /Pin1 of Inverter +12V ?
  • Page 14 Check the connection of Change the Hi / Lo under cable push power main board Display ? Change the Inverter OK ! Display ? OK ! Change the main board To Step 2...
  • Page 15 Step 2 Check the main board +5.0 V ? Check the main board Pin 3 H/V input Signal ? Check H/V Signal Display ? OK ! Check F1,D5 Check U9,U11,R43 Check Change Change Signal Cable...
  • Page 16 No display (White) Check the main board +3.3V ? Check the main board U8/Pin1 H/V Input Signal ? Check H/V Signal Display ? OK ! Check U9,U11,R43 Check U7,U12 Check 3.3V Circuit Change Change Signal Cable...

  • Page 17: Replacement Parts List

    H. REPLACEMENT PARTS LIST Parts No. 988-1A0-1001C AS-576 Pcking material+TCO99 SANYO 002-001-TCO9 TCO99 Dcclaration 002-L01-5EACER AS576 User’s Manul Acer logo 003-101-TCO9 All Series TCO99 Label for Crton 005-002-5EACER AS576 Carton Acer Logo 170-000-0848C PE BAG 0.07mm 14*30.5cm. 170-005-LCD5 LCD 15" PE Bag 170-005-VM541 LT-541 PE Zipper Bag 300*200mm.
  • Page 18 506-178-E62BP-40 SMD CPU IC(WINBOND:W78E62BP-40 631-003-A014-C Audio Cable 3.5Ø STERE0 to 2*RCA connector 631-006-7020-T SH570/770 1061#28 6P2.0mm 631-008-G020-W 8Pin 1.5Pitch <-> 8Pin 1.5Pitch 631-030-F576 30 PIN FFC Cable L182mm 631-040-F576 40 PIN FFC Cable L193mm 824-00Q-AY565L AY565 Speaker Ass'y L 154-000-SPCS AY/CY Series Speaker Case 006 ABS HB 710-20A-Y565 AY/CY-565 Speaker (8Ω/1.5W) 40*20mm...
  • Page 19 381-151-032554 SMD CC 150pF/25V 381-220-032554 SMD CC 22pF/25V 381-301-032554 SMD CC 300pF/25V 381-330-032554 SMD CC 33pF/25V 382-103-032564 SMD CC 0.01uF/25V 382-393-032564 SMD CC 0.039uF/25V X7R 0603 382-472-035064 SMD CC 4700pF/50V 382-682-035064 SMD CC 6800P/50V 385-104-032584 SMD CC 0.1uF/25V 385-105-041684 CHIP-C 1uF/16V 481-LCC-0440 PLCC SOC 44PIN 1.27...
  • Page 20 409-003-0111 RCA Jack SCP606 409-003-0112 RCA Jack SCP606 504-000-6300L Reset IC. V6300L TO92 (DIP) 504-007-A431 KIA431/KEC 520-030-B340-T Schttky SB340 TP 531-110-49US Crystal 11.0592MHz 531-120-49US Crystal 12MHz 630-002-1008 Base Pitch 2.0 2Pin JWT A2001 630-006-4002R Base Pitch 2.0 6Pin 630-008-C001 JST 1.5mm Header ZR S8B-ZR 745-050-3072 Line Coil 5uH JBT0385 100805-4 745-470-20621...

  • Page 24: Block Diagram

    I. BLOCK DIAGRAM VSYNC HSYNC VGA-IN 12PIN 8 R0~R7 3 {R.G.B} 8 G0~G7 DDC-SDA DDC-SCL 8 B0~B7 D.D.C 24C21 EEPROM CRYSTAL 24C16 12M HZ EEPROM POWER SWITCH POWER SUPPLY AND CRYSTAL REGULATOR 12M HZ POWER ADAPTER LVDS SCALER 8 RA0~RA7 8 GA0~GA7 8 BA0~BA7 LVDS...

  • Page 25: Schematic Diagram

    U10A U10B 74LVC14-SOP14 74LVC14-SOP14 C127 22pF U10F U10E 74LVC14-SOP14 74LVC14-SOP14 C117 0.1uF VCLK 24LC21 BLUE-ADC 0.1uF GREEN-ADC SOGI RED-ADC GND_EARTH PA-VSYNC 22pF Acer Incorporated PA-HSYNC Title 22pF VGA INPUT Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 2,3,4,5 Sheet...
  • Page 26 RGB-A8 DOBVSS RGB-A7 RGB-A6 RGB-A5 RGB-A4 RGB-A3 RGB-A2 RGB-A1 RGB-A0 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF DISP-HSYNC SHCLK DISP-VSYNC Acer Incorporated Title MASCOT V(A/D+Scaler) Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 RGB-B[0..23] 3 VCC3-DCV 0.1uF Sheet...
  • Page 27 HEADER 20 LCDVDD LCDVDD XF2H-3015-1 RIN0- RIN0+ RIN1- RIN1+ RIN2- RIN2+ CLK- CLK+ CNA6 BE1206 LCDVDD TM150XG-26L06A Acer Incorporated EMI KHLC-010(NP) Title OUTPUT CONNECTOR Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 PANEL LCDVDD D-HSYNC D-VSYNC D-DE2 D-SHCLK2 FH-12-45S-0.5SH PANEL FH-12-30S-0.5SH...
  • Page 28 AUTO P1.4 PSEN P1.5 ALE/P P1.6 P1.7 GREEN 4.7K 2N3904 150R LED_O 3904 ORANGE 2N3904 Acer Incorporated Title MCU & LCD POWER CONTRIL Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 ORANGE GREEN AUD_OFF ROT_PB6 ROT_LF DDC-SCL DDC-SDA LED_G...
  • Page 29 0.1uF 0.01uF 220uF/16V 0.1uF NG 0514 4.7K 0.1uF 4.7K 220uF/16V 2N3904 4.7K On/Off 2N3094 0.1uF 0.1uF 2.2K LM358-SO8 2.2K OPVCC 100uF/16V OPVCC 0.1uF Acer Incorporated Title POWER SUPPLY Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 LCD_VBL_A PWM0_A Sheet...
  • Page 30 BE0603 BASE2S DEL R89 Left out + L-SPOUT L-OUT Left out - BE0603 BASE2S Right out + R-SPOUT R-OUT Right out - CN8 CN7 SDWN Acer Incorporated Title AUDIO 4835 Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 Sheet...
  • Page 32 Memu...

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