Acer AL532 AL532 Monitor Service Guide
Acer AL532 Manual
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- Acer AL532 | AL532 Monitor Service Guide - Page 1
AL532 Service Manual - Acer AL532 | AL532 Monitor Service Guide - Page 2
TABLE OF CONTENTS SERVICE WARNING 1 A. IMPORTANT SAFETY INSTRUCTION∙∙∙ 1 B. SPECIFICATIONS 2 C. TIMING CHART 3 D. CONTROL LOCATION 5 E. CONDUCTION VIEW 6 F. ADJUSTMENT PROCEDURE 10 G. TROUBLE SHOOTING HINTS 11 H. REPLACEMENT PARTS LIST 15 I. BLOCK DIAGRAM 21 J. SCHEMATIC DIAGRAM 22 - Acer AL532 | AL532 Monitor Service Guide - Page 3
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 - Acer AL532 | AL532 Monitor Service Guide - Page 4
Range Horizontal Vertical 4. Active Display Area 5. Dot Pitch 6. Support display colors 7. Contrast Ratio (Typical) 8.Luminance of White 16. Input Signal Video Sync. 17. Color Temperature 18. Dimension (WxHxD) 19. Monitor Weight 20. Base Operation Tilt 21. Power Saving ON STAND BY OFF 22. Signal - Acer AL532 | AL532 Monitor Service Guide - Page 5
C.TIMING CHART Back porch Sync-width Video Active display Sync. Total Front porch Modes Preset VGA 720X400 Pixel clock (MHz) H-Frequency (KHz) 28.325 31.472 H-Total (µs) 31.774 VGA 640X480 25.175 31.469 31.778 VESA 640X480 31.500 37.861 26.413 VESA 640X480 31.500 37.500 26.667 VESA - Acer AL532 | AL532 Monitor Service Guide - Page 6
Modes Preset VESA 800X600 Pixel clock (MHz) 50.000 H-Frequency (KHz) 48.077 H-Total (µs) 20.800 H-Active Display (µs) 16.000 H-Blanking (µs) 4.800 Front Porch (µs) 1.120 H-Sync-width (µs) 2.400 H-Back Porch (µs) 1.280 V-Frequency (Hz) 72.2 V-Total (ms) 13.853 V-Active Display (ms) - Acer AL532 | AL532 Monitor Service Guide - Page 7
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 - Acer AL532 | AL532 Monitor Service Guide - Page 8
E. CONDUCTION VIEW MAIN BOARD (Component Side) - Acer AL532 | AL532 Monitor Service Guide - Page 9
MAIN BOARD (Solid Side) - Acer AL532 | AL532 Monitor Service Guide - Page 10
CONTROL BOARD (Component Side) CONTROL BOARD (Solid Side) - Acer AL532 | AL532 Monitor Service Guide - Page 11
- Acer AL532 | AL532 Monitor Service Guide - Page 12
﹟Wattmeter Check ﹟PC or Pattern B generator ﹫Crosshatch Pattern (31.5KHz,640x480) 1. Unplug the signal cable into the monitor. 2. Turn the power switch of the monitor ON. 3. Check monitor power indicator light up orange. 4. Make sure the wattmeter value shown at right. 5. OSD will be display - Acer AL532 | AL532 Monitor Service Guide - Page 13
No Display ( Black ) G. TROUBLE SHOOTING HINTS LED ON ? NO YES Push the power ON/OFF switch Power adapter ? YES NO Change adapter LED Color change ? NO Check main board - Acer AL532 | AL532 Monitor Service Guide - Page 14
A Check the connection of CN8 cable Display ? NO Change the main board YES OK ! B NO Hi / Lo under push power sw? YES Change the Inverter Change the main board Display ? NO To Step 2 YES OK ! - Acer AL532 | AL532 Monitor Service Guide - Page 15
Step 2 Check the main NO board 12V ? Check F1,D5 YES NO +5.0 V ? YES Check the main YES board U5 / Pin 3 ? YES Check U9,U11,R43 Check U5 H/V input Signal ? YES Change U8 NO Check H/V Signal Display ? YES OK ! NO Change Signal Cable - Acer AL532 | AL532 Monitor Service Guide - Page 16
No display (White) Check the main NO Check board 5V ? U9,U11,R43 YES +3.3V ? NO Check U7,U12 YES NO Check the main Check board U8/Pin1 ? 3.3V Circuit YES H/V Input Signal ? NO Check H/V Signal YES Change U8 Display ? YES OK ! NO Change Signal Cable - Acer AL532 | AL532 Monitor Service Guide - Page 17
Zipper Bag 300*200mm. For LCD 1 826-000-AS576 AS-576 Series pcking material For Manual 1 160-00L-AS576 AS576 Polyfom (L). 1 160-00R-AS576 AS576 Polyfom (R). 1 846-120-C0AL-AT Adapter 12V 3A 36W 1 003-H01-AS576 Acer AL532 TCO99 Label 1 003-401-AS576 Acer AL532 Carton Label 1 002-G00 - Acer AL532 | AL532 Monitor Service Guide - Page 18
506-178-E62BP-40 SMD CPU IC(WINBOND:W78E62BP-40 P1 for U2 ,Socket 1 631-003-A014-C Audio Cable 3.5Ø STERE0 to 2*RCA connector 1 631-006-7020-T SH570/770 1061#28 6P2.0mm EMI 1 631-008-G020-W 8Pin 1.5Pitch 8Pin 1.5Pitch CTR/B->M/B 1 631-030-F576 30 PIN FFC Cable L182mm 1 631-040-F576 - Acer AL532 | AL532 Monitor Service Guide - Page 19
381-151-032554 SMD CC 150pF/25V NPO 0603 C77 1 381-220-032554 SMD CC 22pF/25V NPO 0603 C17,C18,C56,C62,C70,C97,C98,C127 8 381-301-032554 SMD CC 300pF/25V NPO 0603 C68 1 381-330-032554 382-103-032564 382-393-032564 SMD CC 33pF/25V NPO 0603 SMD CC 0.01uF/25V X7R 0603 SMD CC 0.039uF/25V X7R - Acer AL532 | AL532 Monitor Service Guide - Page 20
S8B-ZR CN2 1 745-050-3072 Line Coil 5uH JBT0385 100805-4 L19 1 745-470-20621 Choke 47UH@3A L7 1 152-000-SH570 TOSHIBA DC Jack Support Nylon. 1 849-40X-AS576 Inverter 2 to 4 8ma E-MAX 1 899-400-AS576 AS-576 Control PCB Ass'y. 1 200-701-0576 AS576 Control Key PCB 1 401-170 - Acer AL532 | AL532 Monitor Service Guide - Page 21
- Acer AL532 | AL532 Monitor Service Guide - Page 22
- Acer AL532 | AL532 Monitor Service Guide - Page 23
- Acer AL532 | AL532 Monitor Service Guide - Page 24
POWER ADAPTER 12V 12M HZ SDA SCL MCU CRYSTAL 12M HZ LVDS 8 RA0~RA7 8 GA0~GA7 8 BA0~BA7 LVDS 8 RB0~RB7 8 GB0~GB7 8 BB0~BB7 LCD PANEL(LVDS) 10 EVEN D-DE 10 ODD HI VOLTAGE 8PIN C O N N E N T BLK-ON/OFF BRIGHTNESS 12V FUNCTION KEY INVERTER Title Size B Date: BLOCK DIAGRAM Document Number - Acer AL532 | AL532 Monitor Service Guide - Page 25
) VGA_HSYNC R81 2.2K 2 1 D11 NP R82 100 C127 22pF 13 12 11 10 R45 100 U10F 74LVC14-SOP14 U10E 74LVC14-SOP14 PA-HSYNC 2 C70 22pF Acer Incorporated Title Size Date: VGA INPUT Document Number 200-100-AS576 Friday, November 01, 2002 Rev A Sheet 1 of 6 - Acer AL532 | AL532 Monitor Service Guide - Page 26
-DCV C95 C96 0.1uF 0.1uF C63 0.1uF C58 0.1uF C54 0.1uF C52 0.1uF C46 0.1uF C45 0.1uF C44 0.1uF DISP-HSYNC 3 SHCLK 3 DISP-VSYNC 3 DE 3 Acer Incorporated Title MASCOT V(A/D+Scaler) Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 Sheet 2 Rev A of 6 - Acer AL532 | AL532 Monitor Service Guide - Page 27
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 FH-12-30S-0.5SH Acer Incorporated Title OUTPUT CONNECTOR Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 Sheet 3 PANEL 1 45 45 M/B 1 PANEL 1 30 30 1 M/B Rev A of 6 - Acer AL532 | AL532 Monitor Service Guide - Page 28
LED_G LED_O AUTO C21 C8 C9 C24 0.1uF 0.1uF 0.1uF 0.1uF 2 1 VCC R20 4.7K R7 1K ORANGE R12 150R 2 R14 0R LED_O 3 1 Q2 2 2N3904 3904 C B E Acer Incorporated Title MCU & LCD POWER CONTRIL Size Document Number 200-100-AS576 Date: Friday, November 01, 2002 Sheet 4 of Rev A 6 - Acer AL532 | AL532 Monitor Service Guide - Page 29
1 Q52 2N3094 GND R39 4.7K GND 1 4 GND R33 1K U5A LM358-SO8 2 3 R40 2.2K GND R41 2.2K + - 8 OPVCC + C42 100uF/16V 1 0 1 LCD_VBL_A 2 PWM0_A 2 GND Acer Incorporated Title POWER SUPPLY Size Document Number Rev 200-100-AS576 A Date: Friday, November 01, 2002 Sheet 5 of 6 - Acer AL532 | AL532 Monitor Service Guide - Page 30
CN8 25 Right Gain2 R57 R59 33K R56 20K C99 0.0068UF 20K C100 33PF MUTE MODE GAIN SDWN HPS 01 1 00 L R MRT CN8 CN7 +- +- RL Acer Incorporated Title Size Date: AUDIO 4835 Document Number 200-100-AS576 Friday, November 01, 2002 Rev A Sheet 6 of 6 - Acer AL532 | AL532 Monitor Service Guide - Page 31
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