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AL532

Service Manual

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Summary of Contents for AL532

Page 1: ...AL532 Service Manual ...

Page 2: ...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 ...

Page 3: ... plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature if you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the purpose of the grounding type plug 10 Do not allow anything to rest on the power cord Do not locate this product where persons will walk on the cord 11 I...

Page 4: ...izontal Vertical 140 Degrees 120 Degrees 13 Power Source 100 240 Vac 60 50 Hz 14 Power Consumption 36W max 15 Connection Type 15 Pin D Type 16 Input Signal Video Sync Analog R G B 0 7Vp p 75 Ohms TTL level positive or negative polarity 17 Color Temperature Cool Warm 18 Dimension WxHxD 418mm x 421mm x 188mm 19 Monitor Weight 3 3 Kg 20 Base Operation Tilt 0 15 degree 21 Power Saving ON STAND BY OFF ...

Page 5: ... 355 6 356 6 095 6 349 6 222 6 400 Front Porch 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 V Frequency Hz 70 1 59 94 72 81 75 0 56 25 60 3 V Total ms 14 267 16 683 13 735 13 333 17 778 16 579 V Active Display ms 12 710 15 253 12 678 12 800 17 067 15 840 V Blanking ms 1 557 1 430 1 057 0 533 0 711 0 7...

Page 6: ...3 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 3 232 2 462 1 920 2 235 V Frequency Hz 72 2 75 0 60 0 70 1 75 0 V Total ms 13 853 13 333 16 666 14 272 13 328 V Active Display ms 12 480 12 800 15 880 13 599 12 795 V Blanking ms 1 373 0 533 0 786 0 673 0 533 V Front Porch ms 0 770 0 021 0 062 0 053 0 017 V Sync width ms 0 125 0...

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 ...

Page 8: ...E CONDUCTION VIEW MAIN BOARD Component Side ...

Page 9: ...MAIN BOARD Solid Side ...

Page 10: ...CONTROL BOARD Component Side CONTROL BOARD Solid Side ...

Page 11: ......

Page 12: ...old key then turn the power switch of the monitor OFF 2 Hold key then turn the power switch of the monitor ON 3 You can into factory adjustment mode D Auto mode Check PC or Pattern generator Crosshatch Pattern 1024x768 60Hz 1 Press and relese the MENU knob to activate the OSD menu 2 Move the OSD to the AUTO function press MENU key auto adjuat display mode to its utmost performance according to VGA...

Page 13: ...ower adapter Change adapter LED Color change Check main board U2 Pin2 Make sure the connection of Inverter is fine Check F1 Fuse of inverter B Display OK Check the CN1 Pin1 of Inverter 12V To Step 2 Back light ON Hi Lo under push power sw Push the power ON OFF switch No Display Black To Step 2 A ...

Page 14: ...NO YES YES NO YES NO B Hi Lo under push power sw Change the Inverter Display OK Check the connection of CN8 cable Change the main board OK Display A Change the main board To Step 2 ...

Page 15: ...NO YES YES YES YES NO NO YES Check the main board 12V Check F1 D5 5 0 V Check U9 U11 R43 Check U5 Check the main board U5 Pin 3 H V input Signal Change U8 Check H V Signal Change Signal Cable Display OK Step 2 ...

Page 16: ... YES YES NO NO Check the main board 5V Check U9 U11 R43 3 3V Check U7 U12 Change Signal Cable Display Check H V Signal H V Input Signal Check the main board U8 Pin1 Check 3 3V Circuit Change U8 No display White YES OK ...

Page 17: ...ABS HB EM 006E 1 110 4R0 20646 Screw M4 H8 Φ6 6mm 2 154 001 AS576 AS576 Key TOP PC 1 123 B02 AS576 AS576 Acer AL532 logo 1 820 001 5EST AS576 stand ass y 1 123 701 AS576 AS576 Base neck AL or ZN 1 123 700 AS576 AS576 Base AL or ZN 1 155 001 AS576 Rubber 10 20 Black 4 100 010 4033 Screw P4 10 ISO BASE NECK 3 3 600 151 0404 Power cord for Germany 150cm White 1 610 151 15RM 1 SH570 770Signal Cable UL...

Page 18: ...NYO Panel 1 852 00M AS576 AS576 Main PCB for SANYO Panel SMD 1 200 100 AS576 AS576 Main Board PCB 1 281 031 20014 SMD RES 2K ohm 0603 1 R55 1 281 031 62014 SMD RES 6 2K ohm 0603 R46 1 281 035 0R04 SMD RES 0 ohm 0603 5 L12 R21 S1 S2 R13 R14 R63 R64 R65 9 281 035 1014 SMD RES 100 ohm 0603 5 R42 R44 R45 R82 4 281 035 1024 SMD RES 1K ohm 0603 5 R6 R7 R24 R29 R30 R31 R33 R37 R73 9 281 035 1034 SMD RES ...

Page 19: ...1578 SMD IC AIC1578 U11 1 506 524 LC21 SMD IC 24LC21 MEMORY U13 1 506 5NM 24C16 SMD IC NM24C16M 8 U1 1 506 774 LVT14 SMD IC 74LVT14 ADCW HI SPEED U10 1 506 800 358D SMD IC LM358D S08 OP U5 1 506 SMA SCOT V SMD IC SCALER CHIP MASCOT V MRT U8 1 518 02N 3904 TR 2N3904 SMD Q1 Q2 Q3 Q4 Q5 5 518 1CE 9435 SMD IC CE9435A C08 MOSFET U4 U9 2 528 2BA T54C SMD DIODE BAT54C SOT23 Q6 1 558 352 5000 SMD FUSE 120...

Page 20: ...006 4002R Base Pitch 2 0 6Pin CN5 1 630 008 C001 JST 1 5mm Header ZR 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 0220 Tact Switch H5mm S1 S2 S3 S4 S5 5 520 005 L937 LED 2Pin ...

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Page 24: ... SDA SCL POWER ADAPTER 12V SWITCH POWER SUPPLY AND 3V 5V 12V C O N N E N T VGA IN 12PIN D D C 24C21 EEPROM ADC SCALER LVDS LVDS MCU 24C16 EEPROM INVERTER 12V C O N N E N T FUNCTION KEY 8PIN LCD PANEL LVDS REGULATOR CRYSTAL CRYSTAL 3 R G B 12M HZ 12M HZ 8 R0 R7 8 G0 G7 8 B0 B7 8 RA0 RA7 8 GA0 GA7 8 BA0 BA7 8 RB0 RB7 8 GB0 GB7 8 BB0 BB7 10 ODD 10 EVEN POWER HI VOLTAGE ...

Page 25: ...56 22pF J3 TP 1 1 74LVC14 SOP14 11 10 R71 51 D9 DAN217K NP 1 2 3 J4 TP 1 1 C90 0 01uF J5 TP 1 1 R74 75 J6 TP 1 1 C86 0 01uF R58 OR NP L26 BULL WILL FCM1608K 300T07 1 2 J7 TP 1 1 J8 TP 1 1 C93 0 01uF R42 100 D7 DAN217K NP 1 2 3 R63 0R L27 BULL WILL FCM1608K 300T07 1 2 R82 100 R68 51 H1 TP 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 C120 5PF R44 100 R45 100 R81 2 2K C129 0 1uF NP C122 5PF R83 2 2K D10 DAN21...

Page 26: ...CC DGND VGA_VSYNC VGA_HSYNC SOGI AVCC AGND VREF CP CZ VCCAB BI GNDAB BCLP VTOP VBOT VCCAG GI GNDAG GCLP TOUTP TOUTM VCCAR RI GNDAR RCLP PLLVDD PLLVSS DCVSS OSD_FSW OSD_CLK OSD_R OSD_G OSD_B OSD_I DCVDD RESERVED XTAL XTALI DIBVSS DISP_DE DISP_VSYNC SHCLK DISP_HSYNC DCVSS DOBVSS BLU_OUTB_7 BLU_OUTB_6 BLU_OUTB_5 BLU_OUTB_4 DOBVDD BLU_OUTB_3 BLU_OUTB_2 BLU_OUTB_1 BLU_OUTB_0 DOBVSS RED_OUTA_7 RED_OUTA_...

Page 27: ...27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 C2 0 1uF RP6 33X4 1 8 2 7 3 6 4 5 C25 0 1uF R19 4 7k CN6 FH 12 30S 0 5SH 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 C102 33PF NP C10 0 1uF C80 33PF NP R50 33R RP16 33X4 1 8 2 7 3 6 4 5 RP13 33X4 1 8 2 7 3 6 4 5 L11 33R 1 2 L6 BE1206 C32 0 1uF C3 0 1uF TU1 EMI KHLC 010 NP 1 2 3 IN GND OUT C31 0 01uF RP5 3...

Page 28: ...NP C17 22pF R12 150R 1 2 RP4 33X4 1 8 2 7 3 6 4 5 R11 4 7K U2 SOCKET PLCC44 35 21 20 10 14 15 16 17 2 3 4 5 6 7 8 9 43 42 41 40 39 38 37 36 24 25 26 27 28 29 30 31 19 18 32 33 13 11 44 22 1 12 34 23 EA VP X1 X2 RESET INT0 INT1 T0 T1 P1 0 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P0 0 P0 1 P0 2 P0 3 P0 4 P0 5 P0 6 P0 7 P2 0 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 RD WR PSEN ALE P TXD RXD VCC VSS INT2 INT3 P4 0...

Page 29: ...SO8 1 2 3 4 8 7 6 5 VIN DUTY SHDN FB CS CS DRI GND CN5 JST 2 0 6PIN 1 2 3 4 5 6 0R S2 C33 0 1uF R54 JUMP WIRE15MM U9 CEM9435A SO8 1 2 3 4 8 7 6 5 S1 S2 S3 G D4 D3 D2 D1 C48 220uF 16V D4 1N5822 DIP 2 1 U5A LM358 SO8 3 2 1 8 4 C68 300p C55 0 1uF C36 0 1uF C74 0 01uF R46 6 2k_1 C59 220uF 16V L18 BE1206 R55 2K_1 C110 0 01uF C38 220uF 16V C49 0 1uF D2 MMSZ5248B NP 2 1 L19 JBT0385 100805 4 L8 BE1206 R41...

Page 30: ...t Out Right Gain2 Right Gain1 Bypass HP Sense Lift Gain1 Lift Gain2 Lift out Lift out GND R78 20K R85 33K R87 20K C135 0 0068UF R59 20K R57 33K C126 0 1uF R56 20K C104 10uF 16V 1 2 C99 0 0068UF C115 0 1uF R88 20K R90 20K R24 1K C125 0 1uF C37 47uF 16V R62 10K NP R61 10K U5B LM358 SO8 5 6 7 8 4 L14 BE0603 L13 BE0603 C123 2 2UF 16V 1 2 L16 BE0805 1 2 C100 33PF CN7 BASE2S 1 2 L OUT R OUT DEL L15 DEL ...

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