Related Manuals for Acer AL732
Summary of Contents for Acer AL732
-
Page 1: Service Manual
All manuals and user guides at all-guides.com AL732 Service Manual... - Page 2 All manuals and user guides at all-guides.com TABLE OF CONTENTS S E R V I C E WARNING · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · A.
- Page 3 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 All manuals and user guides at all-guides.com B. SPECIFICATIONS 1. Maximum Resolution 1280 x 1024 @ 75Hz 2. Recommend Resolution 1280 x 1024 @ 60Hz 3. Synchronization Range Horizontal 30 – 80 KHz Vertical 56– 75 Hz 4. Active Display Area 337mm (H) x 270mm (V) 5.
- Page 5 All manuals and user guides at all-guides.com C.TIMING CHART Video Back porch Active display Front porch Sync. Sync-width Total VESA VESA VESA VESA VESA Preset Modes 720X400 640X480 640X480 640X480 800X600 800X600 800X600 Pixel clock 28.325 25.175 31.500 31.500 36.000 40.000 50.000 (MHz)
- Page 6 All manuals and user guides at all-guides.com VESA VESA VESA VESA VESA VESA Preset Modes 800X600 1024X768 1024X768 1024X768 1280X1024 1280X1024 Pixel clock 49.500 65.000 75.000 78.750 108.00 135.00 (MHz) 46.875 48.363 56.476 60.023 63.98 79.976 H-Frequency (KHz) 21.333 20.677 17.707 16.660 15.630...
-
Page 7: D Control Location
All manuals and user guides at all-guides.com 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. - Page 8 All manuals and user guides at all-guides.com E. CONDUCTION VIEW MAIN BOARD (Component Side)
- Page 9 All manuals and user guides at all-guides.com MAIN BOARD (Solder Side)
- Page 10 All manuals and user guides at all-guides.com CONTROL BOARD (Component Side) CONTROL BOARD (Solid Side)
- Page 11 All manuals and user guides at all-guides.com...
- Page 12 All manuals and user guides at all-guides.com...
-
Page 13: Adjustment Procedure
All manuals and user guides at all-guides.com ADJUSTMENT PROCEDURE # Test Meter Check ITEM * Test Point Operation Value Program Menu. @ Pattern 1. Plug power cable into the adapter, check adapter 12.0V # Digital Voltmeter Check power indicator light up green. ±0.2V * CN7 2. - Page 14 All manuals and user guides at all-guides.com G. TROUBLE SHOOTING HINTS No Display ( Black ) Change Power LED ON adapter adapter ? Push the power switch ON/OFF LED Color Back light To Step 2 change ? Check main board Check the /Pin1 of U4/Pin201...
- Page 15 All manuals and user guides at all-guides.com Check the connection of Change the Hi / Lo under cable push power sw? main board Display ? Change the Inverter OK ! Display ? OK ! Change the main board To Step 2...
- Page 16 All manuals and user guides at all-guides.com Step 2 Check the main Check board Adapter, F1, Check +5.0 V ? U13,U12,R83 Check +3.3 V ? Change H/V input Signal ? Check H/V Signal Change Display ? Signal Cable OK !
- Page 17 All manuals and user guides at all-guides.com No display (White) Check the main Check board U13,U12,R83 Check +3.3V ? Check the main Check board U4/Pin32 3.3V Circuit Change H/V Input Signal ? Check Check H/V Signal Change Display ? Signal Cable OK !
- Page 18 All manuals and user guides at all-guides.com No Sound Check Audio Check Input ? Audio Source Check U19 Pin1 Power Supply 12V? Check Check Pin23/24 Change U18 Pin4 Power Supply Vcc ? Check U18 Check Pin15/28 ? Change Speaker ? Speaker Cable OK !
- Page 19 All manuals and user guides at all-guides.com No Video Check CN11/CN16 Check Video Input ? Video Cable Check Power Supply Vcc ? Check Check Pin81-90 Video Output Check Change Pin81-90 Power Supply Video Output OK !
- Page 20 All manuals and user guides at all-guides.com H. REPLACEMENT PARTS LIST Parts No. Description Part Location Q’ty...
- Page 21 All manuals and user guides at all-guides.com...
- Page 22 All manuals and user guides at all-guides.com...
- Page 23 All manuals and user guides at all-guides.com...
- Page 24 All manuals and user guides at all-guides.com...
- Page 25 All manuals and user guides at all-guides.com...
- Page 26 All manuals and user guides at all-guides.com...
- Page 27 All manuals and user guides at all-guides.com...
- Page 28 All manuals and user guides at all-guides.com...
- Page 29 All manuals and user guides at all-guides.com...
- Page 30 All manuals and user guides at all-guides.com I. BLOCK DIAGRAM VSYNC HSYNC LVDS LCD P SCALER VGA-IN 10 EVEN 8 RA0~RA7 12PIN 8 R0~R7 8 GA0~GA7 3 {R.G.B} 8 G0~G7 8 BA0~BA7 DDC-SDA DDC-SCL 8 B0~B7 D-DE LVDS 8 RB0~RB7 D.D.C 24C21 8 GB0~GB7...
- Page 31 All manuals and user guides at all-guides.com J. SCHEMATIC DIAGRAM...
- Page 32 All manuals and user guides at all-guides.com BAT54C 4.7K VGA_VSYNC 0.1uF R159 4.7K PIN4 2N3906 24LC21 232E VCLK CN14 DDC-SCL DB15HD DDC-SDA DDC-SDA 月 日 修改 TXD_PC VGA_HSYNC 0.1uF PIN4 RXD_PC VGA_VSYNC DAN217K(NP) DAN217K(NP) 0.1uF DDC-SCL BAIN D5 DAN217K(NP) C193 C194 0.1uF 0.1uF...
- Page 33 All manuals and user guides at all-guides.com 3.3K A[19:1] R28C11 TESTEN 3.9nF TESTEN 39nF GFILT 3.3K 3.3K FILTER IRED 47nF RAIN RESETn RESETB IGREEN 47nF GAIN GREEN ISOG IBLUE 47nF BAIN BLUE PORTA0 CON4 4.7K AVSYNC PORTA1 SDATV PORTA2 AHSYNC SCLTV PORTA3 P W 1 3 1...
- Page 34 All manuals and user guides at all-guides.com ROMOEn ROMWEn RESETn 100K CS0n 0.1uF U7 74LVC541A POWER AUTO MENU RIGHT LEFT D[15:0] Input Buffer A[19:1] LED_O LED_G LED2 LED1 2N3904 2N3904 50 m RESETn ROMOEn 10uF/16V_EC4D(NC) WAFE-10PIN-1.5MM-90@ 33X4 MENU RIGHT LEFT POWER LED_G LED_O...
- Page 35 All manuals and user guides at all-guides.com DRO[7:0] 月 日修改 DRO0 DRO1 DRO2 33X4 TM150XG-26L06A TM150XG-26L06A DRO3 CVDD DRO4 LCDVDD CNA1 DRO5 CNA3 DRO6 33X4 XF2H-4015-1 LCDVDD DRO7 XF2H-4015-1 LCDVDD LCDVDD 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF DGO[7:0] LCDVDD LCDVDD DGO0 DGO1 DGO2 33X4...
- Page 36 All manuals and user guides at all-guides.com DC-JACK Choose one package FUS1206-5A VIN12V L25A C100 C206 0.01uF 0.1uF 220uF/16V JBT0385-100805-4 VIN1 JUMP WIRE12.5mm BE1206 C101 220uF/16V CEM9435A SO8 U13 AIC1578-SO8 33uH/3A 0.02-1/4W BE1206 DUTY SHDN C102 C103 C105 MMSZ5248B(NP) 0.1uF 22uF/16V C107 C109...
- Page 37 All manuals and user guides at all-guides.com C132 10uF/16V C133 33PF BE0805 M O D E V C C O P V O L VCC_AU R102 R101 C136 5.6K M O D E G N D O P M A X 2.2uF/16V R103 33K R105...
- Page 38 All manuals and user guides at all-guides.com BE0805 R128 VCC3_V CN16 S-VIDEO C212 R129 AVCC_V 0.1uF BE0805 R130 C213 R131 0.1uF CN11 SCP606 BE0805 R134 C211 R135 0.1uF CHROMA C168 AI22 C196 C202 0.047uF 0.1uF 0.1uF LUMINANCE C169 AI12 0.047uF CVBS1 C170 AI11...
- Page 39 All manuals and user guides at all-guides.com...