Acer AL732 Page 24 Service Manual Download | Manualshive

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Summary of Contents for AL732

Page 1: ...AL732 Service Manual ...

Page 2: ... T I O N S 4 C T I M I N G C H A R T 5 D C O N T R O L L O C A T I O N 7 E C O N D U C T I O N V I E W 8 F ADJUSTMENT PROCEDURE 13 G T R O U B L E S H O O T I N G H I N T S 1 4 H R E P L A C E M E N T P A R T S L I S T 2 0 I B L O C K D I A G R A M 3 0 J S C H E M A T I C D I A G R A M 3 1 ...

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: ...0 Degrees 160 Degrees 13 Power Source 100 240 Vac 60 50 Hz 14 Power Consumption 48W max 15 Connection Type 15 Pin D Sub 24 Pin DVI 16 Input Signal Video Sync Analog R G B 0 7Vp p 75 Ohms TTL level positive or negative polarity 17 Color Temperature Cool Natural Warm 18 Dimension WxHxD 454mm x 460mm x 135mm 19 Monitor Weight 4 8 Kg 20 Base Operation Tilt 0 15 degree 21 Power Saving ON STAND BY OFF 4...

Page 5: ...5 6 349 6 222 6 400 4 800 Front Porch µs 0 635 0 636 0 762 0 508 0 667 1 000 1 120 H Sync width µs 3 813 3 813 1 270 2 032 2 000 3 200 2 400 H Back Porch µs 1 906 1 907 4 063 3 810 3 556 2 200 1 280 V Frequency Hz 70 1 59 94 72 81 75 0 56 25 60 3 72 2 V Total ms 14 267 16 683 13 735 13 333 17 778 16 579 13 853 V Active Display ms 12 710 15 253 12 678 12 800 17 067 15 840 12 480 V Blanking ms 1 557...

Page 6: ...ont Porch µs 0 323 0 369 0 320 0 203 0 444 0 119 H Sync width µs 1 616 2 092 1 813 1 219 1 037 1 837 H Back Porch µs 3 232 2 462 1 920 2 235 2 296 1 067 V Frequency Hz 75 0 60 0 70 1 75 0 60 02 75 025 V Total ms 13 333 16 666 14 272 13 328 16 661 13 329 V Active Display ms 12 800 15 880 13 599 12 795 16 005 12 804 V Blanking ms 0 533 0 786 0 673 0 533 0 656 0 525 V Front Porch ms 0 021 0 062 0 053...

Page 7: ...D CONTROL LOCATION 1 Menu Button MENU 2 Select Button 3 Auto Button AUTO 4 Power Button 5 LED Power Indicator 1 S VIDEO 2 DC IN 3 VIDEO IN 4 PC AUDIO IN 5 AUDIO OUT 6 DVI VGA IN ...

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

Page 9: ...MAIN BOARD Solder Side ...

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

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Page 13: ... 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 adjust function press MENU key auto adjuat display mode to its utmost performance according to VGA setting 3 In the event of the display ima...

Page 14: ...ay Black LED ON Push the power ON OFF switch LED Color change Check main board U4 Pin201 Hi Lo under push power sw Back light ON To Step 2 Make sure the connection of Inverter is fine 12V Check the J1 Pin1 of Inverter Check F1 Fuse of inverter B Display OK A To Step 2 Power adapter Change adapter ...

Page 15: ...NO YES YES NO YES NO B Hi Lo under push power sw Change the Inverter Display OK To Step 2 A Check the connection of CN1 cable Display OK Change the main board Change the main board ...

Page 16: ...NO YES NO YES NO YES YES NO NO YES Step 2 Check the main board 12V 5 0 V Check U13 U12 R83 H V input Signal Change U4 Check H V Signal Display OK Change Signal Cable Check Adapter F1 U13 Check U14 3 3 V ...

Page 17: ...ES NO YES NO YES No display White Check the main board 5V 3 3V H V Input Signal Check the main board U4 Pin32 Change U4 Display OK Change Signal Cable Check U13 U12 R83 Check U14 Check 3 3V Circuit Check CN2 Check H V Signal ...

Page 18: ... NO YES NO YES NO YES Check Audio Input U19 Pin1 12V U18 Pin4 Vcc Check U19 Pin23 24 Change Power Supply Check U18 Pin15 28 Speaker OK Change Speaker Cable Check Audio Source Check Power Supply Check U19 No Sound Check U18 ...

Page 19: ... YES NO YES NO YES NO YES Check CN11 CN16 Video Input U20 Vcc Check U20 Pin81 90 Video Output Change Power Supply OK Check Video Cable Check Power Supply Check U20 No Video Check U20 Pin81 90 Video Output ...

Page 20: ...H REPLACEMENT PARTS LIST NO Parts No Description Part Location Q ty ...

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Page 30: ... 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 31: ...J SCHEMATIC DIAGRAM ...

Page 32: ...P A C AC U3F 74LVC14 SOP14 13 12 7 U3E 74LVC14 SOP14 11 10 7 R7 47 R5 47 D7 DAN217K NP A C AC L7 0R 1 2 U3B 74LVC14 SOP14 3 4 7 U2 24LC21 1 2 3 4 5 6 7 8 NC1 NC2 NC3 GND SDA SCL VCLK VCC CN15 DVI_D_CON NC 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 C1 C2 C3 C4 C5 C5 DATA2 DATA2 DATA2 4_SHLD DATA4 DATA4 DDC_CLK DDC_DATA A_VSYNC DATA1 DATA1 DATA1 3_SHLD DATA3 DATA3 5V GND H_...

Page 33: ...LR CLK Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 C49 0 1uF R39 3 3K Y1 XTAL14 31818 C30 0 1uF C46 0 1uF C54 0 1uF R79 0 R42 430 C87 0 1u R158 4 7K C37 0 1uF R156 1K C89 0 1 C33 0 1uF C88 270P R41 4 7K R154 NP C23 39nF C47 0 1uF R43 1 5M C28 18pF C57 0 1uF R35 3 3K WRN1 C43 0 1uF C26 1nF L12 22uH C56 0 1uF R155 NP Display Port U4B PW13x 106 107 101 102 103 98 97 94 93 92 91 90 89 88 87 86 85 82 81 80 79 78 77 74 73 ...

Page 34: ...13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 53 55 57 59 52 54 56 58 60 R64 3 3K U6 EN29LV800T 90 37 13 46 27 29 30 31 32 33 34 35 36 38 39 40 41 42 43 44 45 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 25 48 26 28 11 12 14 47 16 VCC VPP GND1 GND2 D1 D9 D2 D10 D3 D11 D4 D12 D5 D13 D6 D14 D7 D15 D8 D16 A15 A14 A13 A12 A11 A10 A9 A8 ...

Page 35: ... TXOUT2 TXOUT2 LVDSGND LVDSVCC TXOUT1 TXOUT1 TXOUT0 TXOUT0 LVDSGND TXIN27 TXIN0 TXIN1 GND TXIN2 TXIN3 TXIN4 L20 L0603 C70 0 1uF L17 L0603 U10 DS90C383 QSOP56 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 VCC TXIN5 TXIN6 TXIN7 GND TXIN8 TXIN9 TXIN10 VCC TXIN11 TXIN12 TXIN13 GND TXIN14 TX...

Page 36: ...R98 301 R97 681 U16 LM1117 G O I TAB ADJ Vo2 Vin Vo4 L29 BE0805 R33 4 7K 1 2 F1 FUS1206 5A 1 2 C102 0 1uF C107 220uF 16V C120 220uF 16V D12 MMSZ5248B NP A C C119 0 1uF CN3 DC JACK 5 4 3 2 1 C114 0 01uF U14 AIC1084 33CM I O G TAB IN OUT C OUT1 C121 0 1uF C106 0 01uF U13 AIC1578 SO8 1 2 3 4 8 7 6 5 VIN DUTY SHDN FB CS CS DRI GND C129 100uF 16V JW1 JUMP WIRE12 5mm L35 BE0805 C117 0 1uF NP S3 1 2 CN4 ...

Page 37: ...26 2 2K C132 10uF 16V 1 2 R120 20K C158 0 1uF R123 33K R122 20K C141 0 068uF R106 20K R103 33K R118 10K NP C163 100uF 16V NP 1 2 C134 0 1uF R113 20K R111 20K C135 0 1uF C150 0 068uF CN6 BASE2S 1 2 C154 0 1uF L39 BE0805 1 2 C152 22uF 16V 1 2 L40 BE0603 L41 BE0603 R117 10K C162 33PF U18 LM4838 1 8 14 20 23 6 16 27 2 3 4 5 7 9 10 11 12 13 28 26 25 24 22 21 19 18 17 15 29 GND GND GND GND GND VDD VDD V...

Page 38: ...68 83 93 8 98 99 97 3 2 72 71 70 69 67 66 65 64 77 78 79 31 32 22 24 15 9 21 26 50 76 100 5 88 63 38 28 29 30 36 35 34 44 73 74 37 39 40 41 6 7 27 10 12 14 16 13 18 20 19 81 82 84 85 86 87 89 90 92 91 96 95 94 80 4 IPD7 IPD6 IPD5 IPD4 IPD3 IPD2 IPD1 IPD0 ITRDY ICLK IDQ ITRI IGP0 IGP1 IGPV IGPH VDDE1 VDDA2 VDDA1 VDDA0 VDDE2 VDDE3 VDDI1 VDDE4 VDDI2 VDDI3 VDDI4 VDDI5 VDDI6 VDDX TCK TMS TRST TDI TDO H...

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