AL532 Service Manual
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.
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. 1.
B. 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. Power Source 14. Power Consumption 15. Connection Type 16. Input Signal Video Sync. 17. Color Temperature 18. Dimension (WxHxD) 19. Monitor Weight 20. Base Operation Tilt 21.
C.TIMING CHART Video Back porch Active display Front porch Sync. Sync-width Total VESA VESA 800X600 800X600 36.000 40.000 37.500 35.156 37.879 26.413 26.667 28.444 26.400 25.422 20.317 20.317 22.222 20.000 6.355 6.356 6.095 6.349 6.222 6.400 (µs) 0.635 0.636 0.762 0.508 0.667 1.000 H-Sync-width (µs) 3.813 3.813 1.270 2.032 2.000 3.200 H-Back Porch (µs) 1.906 1.907 4.063 3.810 3.556 2.200 70.1 59.94 72.81 75.0 56.25 60.3 14.267 16.683 13.735 13.
Preset Modes VESA VESA VESA VESA VESA 800X600 800X600 1024X768 1024X768 1024X768 Pixel clock (MHz) 50.000 49.500 65.000 75.000 78.750 H-Frequency (KHz) 48.077 46.875 48.363 56.476 60.023 (µs) 20.800 21.333 20.677 17.707 16.660 H-Active Display (µs) 16.000 16.162 15.754 13.563 13.003 H-Blanking (µs) 4.800 5.172 4.923 4.053 3.657 Front Porch (µs) 1.120 0.323 0.369 0.320 0.203 H-Sync-width (µs) 2.400 1.616 2.092 1.813 1.219 H-Back Porch (µs) 1.280 3.
E.
MAIN BOARD (Solid Side)
CONTROL BOARD (Component Side) CONTROL BOARD (Solid Side)
F. ADJUSTMENT PROCEDURE ITEM Program Menu. B+ Check A ﹟Test Meter ﹡Test Point ﹫Pattern ﹟Digital Voltmeter ﹡CN7 ﹫Crosshatch Pattern (31.5KHz,640x480) Operation 1. Plug power cable into the adapter, check adapter power indicator light up green. 2. Make sure the voltage of the power plug (CN7) on the main PCB to the value shown at right. Power Saving ﹟Wattmeter Check ﹟PC or Pattern B generator ﹫Crosshatch Pattern (31.5KHz,640x480) 1. Unplug the signal cable into the monitor. 2.
G.
A B Check the connection of CN8 cable NO Change the main board Hi / Lo under push power sw? YES Display ? YES NO Change the Inverter OK ! Display ? Change the main board NO To Step 2 YES OK !
Step 2 Check the main board 12V ? NO Check F1,D5 YES NO Check U9,U11,R43 +5.
No display (White) Check the main board 5V ? NO Check U9,U11,R43 NO Check U7,U12 YES +3.3V ? YES Check the main board U8/Pin1 ? NO Check 3.
H. REPLACEMENT PARTS LIST AL532 NO Parts No. Description Part Location Q’ty 988-1A0-1001C AS-576 Pcking material+TCO99 SANYO 1 002-001-TCO9 TCO99 Dcclaration 1 002-L01-5EACER AS576 User’s Manul Acer logo 1 003-101-TCO9 All Series TCO99 Label for Crton 1 005-002-5EACER AS576 Carton Acer Logo 1 170-000-0848C PE BAG 0.07mm 14*30.5cm. 1 170-005-LCD5 LCD 15" PE Bag For DC Line 1 170-005-VM541 LT-541 PE Zipper Bag 300*200mm.
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 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 40 PIN FFC Cable L193mm 1 824-00Q-AY565L AY565 Speaker Ass'y L 1 154-000-SPCS AY/CY Series Speaker Case 006 ABS HB 1 710-20A-Y565 AY/CY-565 Speaker (8Ω/1.
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 SMD CC 33pF/25V NPO 0603 C100,C131 2 13 382-103-032564 SMD CC 0.01uF/25V X7R 0603 C47,C50,C60,C72,C74,C82,C86,C88,C90,C93,C107, C110,C112 382-393-032564 SMD CC 0.
409-003-0111 RCA Jack SCP606 CN11 1 409-003-0112 RCA Jack SCP606 CN10 1 504-000-6300L Reset IC. V6300L TO92 (DIP) TU2 1 504-007-A431 KIA431/KEC TU3 1 520-030-B340-T Schttky SB340 TP D4 1 531-110-49US Crystal 11.0592MHz X1 1 531-120-49US Crystal 12MHz X2 1 630-002-1008 Base Pitch 2.0 2Pin JWT A2001 CN7,CN8 2 630-006-4002R Base Pitch 2.0 6Pin CN5 1 630-008-C001 JST 1.
I. BLOCK DIAGRAM VSYNC HSYNC VGA-IN 12PIN C O N N E N DDC-SDA T DDC-SCL ADC SCALER 8 R0~R7 LVDS 10 EVEN 8 RA0~RA7 LCD PANEL(LVDS) 8 GA0~GA7 3 {R.G.B} 8 G0~G7 8 BA0~BA7 8 B0~B7 D-DE 8 RB0~RB7 D.D.
VCC C117 NC D13 BAT54C R79 4.7K R66 47K R77 47K R67 8 VGA_VSYNC R68 51 6 R71 51 5 NC SCK 1 2 3 NC SI 4 VSS D9 DAN217K(NP) 1 R83 2.2K D12 0.1uF(NP) C128 0.1uF(NP) C56 22pF 2 9 8 7 6 5 4 5 4 9 8 7 6 9 9 5 4 1 2 3 5 4 1 2 3 TP 5 4 TP 1 2 3 5 4 9 TP GND 3 U10A 74LVC14-SOP14 4 1 J2 TP PA-VSYNC U10B 74LVC14-SOP14 GND_EARTH GND J1 R44 100 2 GND J9 TP TP C62 22pF NP J.
PWM0 R37 PWM1 LCD_VEE audio pwm (NP) LCD_VEE_A lvds_on LCD_VDD R30 1K LCD_VDD_A panel power on LCD_VBL R31 1K LCD_VBL_A inverter blk PWM0_A 5 PWM1_A 6 LCD_VEE_A 3 LCD_VDD_A 3 LCD_VBL_A 5 SCL SDA RGB-B11 RGB-B10 RGB-B9 RGB-B8 RGB-B15 RGB-B14 RGB-B13 RGB-B12 RGB-B19 RGB-B18 RGB-B17 RGB-B16 RGB-B23 RGB-B22 RGB-B21 RGB-B20 SDA R36 SCL SDA R35 SCL 4 10K 4 10K RESET 10K R34 RGB-B[0..
RP5 RP6 RGB-B15 RGB-B14 RGB-B13 RGB-B12 RGB-B11 RGB-B10 RGB-B9 RGB-B8 1 2 3 4 1 2 3 4 RGB-B7 RGB-B6 RGB-B5 RGB-B4 RGB-B3 RGB-B2 RGB-B1 RGB-B0 1 2 3 4 1 2 3 4 RP7 33X4 RO0 RO1 RO2 RO3 RO4 RO5 RO6 RO7 8 7 6 5 8 7 6 5 PANEL U3 GO0 GO1 GO2 GO3 GO4 GO5 GO6 GO7 8 7 6 5 8 7 6 5 RP8 33X4 RP9 33X4 8 7 6 5 8 7 6 5 BO0 BO1 BO2 BO3 BO4 BO5 BO6 BO7 RO2 RO3 RO4 RO5 RO6 RO7 44 45 47 48 1 3 GO2 GO3 GO4 GO5 GO6 GO7 4 6 7 9 10 12 BO2 BO3 BO4 BO5 BO6 BO7 13 15 16 18 19 20 D-HSYNC D-VSYNC D-DE2 D-SHCLK
NC VCC MCU_CLKPP R GND VCC 3 VCC MCP-810(NP) RESET 2 NC VCC C15 C17 C34 + VCC 0.1uF R8 10K V6300-TO92 RESET R17 X1 2 11.
CN12 2 S3 F1 FUS1206-5A VIN12V 5 Choose one package NP VIN L19 4 C118 0.1uF C110 0.01uF JBT0385-100805-4 3 1 DC-JACK S4 NP GND GND L18 BE1206 VIN1 C67 220uF/16V R54 JUMP WIRE15MM S2 300p C79 330uF/16V D2 MMSZ5248B(NP) SB340 R55 R46 2K_1% 6.2k_1% GND C55 0.1uF C59 220uF/16V GND GND 1 3A VIN 220uF/16V 0.1uF + VCC3-DCV VCC3-DCV 1,2,3,4 GND On/Off Bri C119 220uF/16V 0.1uF 1 VADCA AGND VIN VCC C64 BE0805 100uF/16V C60 0.
1 CN8 C104 MODE VCC OP VOL 10uF/16V C131 L16 VCC_AU 2 1 MODE GND OP MAX 33PF BE0805 R78 DEL L15 DEL L17 R69 NP R73 1K 2 VCC VCC C125 0.1uF C115 0.1uF R85 33K 20K DEL C134 DEL R86 13 12 11 10 9 AUD4835_SD AUD_OFF R61 10K 3 R60 10K(NP) 18 Right Dock Shutdown DEL R89 CN7 17 Left out- 15 Left out+ HI HP OUT LOW SP OUT 21 Right out+ 28 Right out + L14 BE0603 BASE2S R-SPOUT 1 2 Right Out- Right out- 26 R-OUT CN8 DC_Vol R59 C123 2 2.2UF/16V C99 0.
