Acer AL1516 Service Manual Download Page 18 | Manualshive

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17

Rear Bezel

Turn off your computer before performing the procedure below.

1. Plug the power cable of your monitor into a nearby outlet. Plug the other end of the power cord into the PC port.

2. Connect one end of the 15-pin VGA cable to the back of the monitor and connect the other end to the computer’s

D-Sub port.

3. Turn on your monitor and computer.

Item Description

1. Power

Cable

2. Signal

Cable

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Summary of Contents for AL1516

Page 1: ...Acer AL1516 Service Guide ...

Page 2: ...1 Service Guide Version and Revision No Version Release Date Revision TPV Model Name 1 1 0 April 17 2006 Initial release T566KV5HKGAENP ...

Page 3: ...buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of t...

Page 4: ...erference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recep...

Page 5: ...ose of the grounded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric ...

Page 6: ... Flow chart 13 Main Board Layout 15 Front Bezel 16 Rear Bezel 17 Chapter 2 Operating Instructions 18 External Controls 18 Front Panel Controls 19 Adjusting the picture 20 OSD Message 23 LOGO 24 Chapter 3 Machine Disassembly 25 Chapter 4 Troubleshooting 32 Chapter 5 Connector Information 37 Chapter 6 FRU Field Replacement Unit List 38 Exploded Diagram 39 Chapter 7 Schematic Diagram 41 Main Board 41...

Page 7: ... The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of AL1516 Panel SVA150XG04TB Si...

Page 8: ...Maximum unless otherwise specified User contrast control Typical unless otherwise specified Control settings User red white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 100VAC or 264VAC Ambient temperature 20 5 Analog input mode 1024x768 60Hz Measurement systems The units of measure stated in this document are listed below 1 gamma ...

Page 9: ... cd m2 typ Response time Tr Tf 16ms Display color 16 7M Viewing angle CR 10 H 120 V 100 typ Pc interface RGB Analog Interface Signal connector D Sub 15pin Horizontal Frequency 30KHz 60KHz Interface frequency Vertical Frequency 55Hz 75Hz Dimensions 342 W 352 H 162 D mm Plug play VESA DDC2B Power Input voltage 47 63HZ 100 VAC to 264VAC 10 Power Consumption Max 35 Watts Regulatory Compliance CUL FCC ...

Page 10: ... color TFT LCD z Pixel 1024 H 768 V Pixel z Display Area 304 128mm W 228 96mm H z Pixel Pitch 0 297mm H 0 297mm V z Display Color 16 7M Colors z Lamp Frequency 55KHz max z Lamp Current 7 5mArms typ z Weight 1000g typ Optical Specifications Measuring Condition Ta 25 C Room Temperature ...

Page 11: ...10 Supported Timing ٛ ...

Page 12: ... flat panel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel Video signal DDC Power Board Inverter adapter Board Flat Panel and CCFL backlight Main Board Keyboard RS232 Connector For white balance adjustment in factory mode Host Computer CCFL Drive AC IN 100V 240V ...

Page 13: ...d Diagram LCD Interface Scaler TSUM16AK Include MCU ADC OSD etc U401 SST25VF010A 33 4C SAE U402 OSD Control Interface Keypad CN403 EEPROM M24C02 U404 D SUB Connector CN405 Crystal 14 318MHZ X401 EEPROM M24C16 U403 ...

Page 14: ...13 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Page 15: ... set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program the scalar ...

Page 16: ... 15PIN CN101 033G8027 14 H WAFER U401 056G 562100 TSUM16AK X401 093G 22 53 CRYSTAL 14 318MHzHC 49US U402 056G1133 74 SST25VF010A 33 4C SAE U403 056G113356A 24LC16B SNG SOIC 8PIN U404 056G113334A 24LC02B SNG SOIC 8PIN U702 056G 563 21 AP1084K33LA U701 056G 585 4 AIC1117 33CY ...

Page 17: ...16 Front Bezel External Controls Front Panel Control Item Description Item Description 1 Auto Adjust Exit 4 MENU ENTER 2 5 Power Indicator 3 6 Power Button ...

Page 18: ...e of your monitor into a nearby outlet Plug the other end of the power cord into the PC port 2 Connect one end of the 15 pin VGA cable to the back of the monitor and connect the other end to the computer s D Sub port 3 Turn on your monitor and computer Item Description 1 Power Cable 2 Signal Cable ...

Page 19: ...gs the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor position The power indicator will light up External Controls Item Description Item Description 1 Auto Adjust Exit 4 MENU ENTER 2 5 Power Indicator 3 6 Power Button Chapter 2 ...

Page 20: ...tton for 2 seconds to activate the Auto Adjustment function The Auto Adjustment function is used to set the HPos VPos Clock and Focus NOTES Do not install the monitor in a location near heat sources such as radiators or air ducts or in a place subject to direct sunlight or excessive dust or mechanical vibration or shock Save the original shipping carton and packing materials as they will come in h...

Page 21: ...window 2 Press or to select the desired function 3 Press the MENU button to select the function that you want to adjust 4 Press or to change the settings of the current function 5 To exit and save select the exit function If you want to adjust any other function repeat steps 2 4 Analog Only Mode ...

Page 22: ...21 b The Description For Control Function ...

Page 23: ...22 ...

Page 24: ...Not Supported When the Hsync Frequency Vsync Frequency or Resolution is out of The monitor support range will show this message This message will Be flying Cable Not Connected Analog Only Model When the video cable is not connected will show This message This message will be flying No Signal Analog Only Model When the video cable is connected but there is No active signal input will show this mess...

Page 25: ...ere is no video input signal present When there is no video input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is comp...

Page 26: ... chapter contains step by step procedures on how to assemble the monitor for maintenance Disassembly Procedure Disassemble the base 1 Remove hinge cover Fig 1 2 Remove four screws to release stand base Fig 2 Chapter 3 Fig 1 Fig 2 ...

Page 27: ...26 Disassemble the front cover and rear bezel 1 Remove five screws to release back cover and front bezel Fig 3 2 Remove connector wire with keyboard and main board Fig 4 Fig 3 Fig 4 ...

Page 28: ...27 Disassemble the shield Remove two screws to release the shield Fig 5 Remove the shield as arrow direction Fig 5 ...

Page 29: ...28 Disassemble the main board 1 Remove three screws to release main board Fig 6 2 Remove connector wire with main board and panel Fig 7 Fig 6 Fig 7 ...

Page 30: ...29 3 Remove connector wire with main board and power board Fig 8 4 Remove connector wire with main board and KEPC board Fig 9 Fig 8 Fig 9 ...

Page 31: ...30 Disassemble the power board 1 Remove four screws to release power board Fig 10 2 Remove connector wire with power board and panel Fig 11 Fig 10 Fig 11 ...

Page 32: ...31 Disassemble the panel Remove four screws to release metal frame Fig 12 Fig 12 ...

Page 33: ...te the factory mode the factory OSD will be at the left top of the screen Main board 1 No power Chapter 4 OK No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U701 PIN2 3 3V U702 PIN2 3 3V Reinsert or check the power section X401 oscillate waveforms are normal Measure CN701 PIN5 6 12V Measure CN701 PIN9 10 5V OK OK NG NG NG...

Page 34: ...re U701 PIN2 3 3V U702 PIN2 3 3V Replace U701 U702 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Replace U401 NG OK ...

Page 35: ...d OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Switch Replace Keypad Board OK NG NG NG ...

Page 36: ...line Check the voltage of C905 Check F901 bridge rectified circuit Check start voltage for the pin3 of IC901 Check R906 R907 IC901 Check the auxiliary voltage is between 10V 16V Check IC902 IC903 Check Q901 Q902 ZD901 circuit OK Check D910 D912 OK NG No power NG NG OK NG ...

Page 37: ...12V NG OK Change Q201 or Q202 Check the pin1 of U201 have saw tooth wave NG OK Change U201 Check D201 has the output of square wave at short time NG OK Check Q203 Q205 Q207 D201 Check the resonant wave of pin2 pin5 for PT201 NG Check the output of PT201 Check Q209 Q210 C213 Check connecter lamp OK NG Change PT201 OK ...

Page 38: ...37 Connector Information The following figure shows the connector locations on the monitor board 1 5 6 10 11 15 15 Pin Color Display Signal Cable D sub Chapter 5 ...

Page 39: ...hatever reasons a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines NOTE To scrap or...

Page 40: ...39 Exploded Diagram Model AL1516 ...

Page 41: ...icture show the description of the following component Item Picture Description Part No 1 BACK COVER Q34G0007 RX B 2 STAND 034G1576 RX B 3 BEZEL Q34G0006AQW B 4 BASE T34G1579 RX B 5 SHIELD Q85G0006 1 S 6 PANEL 750GLD504TB ...

Page 42: ...CD_SDA DDCD_SCL DET_DVI DDCA_SDA DDCA_SCL DET_VGA on_BACKLIGHT on_Panel 5V PA 14 19 PB 0 5 PB 6 11 GPO 0 4 ESP OSP on_PANEL_12V PB 12 23 12V DDC_WP TOP A TSUM16AK B 0 5 Monday May 30 2005 Title Size Document Number Rev Date Sheet of VLCD VCC1 8 LVDS OUTPUT 5V B2 2 POWER on_Panel on_BACKLIGHT Adj_BACKLIGHT 3V3 VCC1 8 VLCD 5V VCTRL PC5V VCC5V VCC3 3 on_PANEL_12V VLCD_12V 12V VCC3 3 XGA SXGA VCC1 8 G...

Page 43: ...7 4 7K 1 16W VCC3 3 5V 12V C708 1uF 4 7K 12V 5V 0V 3 3V C718 0 1uF 5V C705 1uF 16V 4 7K R731 NC R729 NC 10K C716 0 1uF R717 10K 1 16W 5V 47 CN701 CONN 2 4 6 8 10 12 1 3 5 7 9 11 GND R712 4 7K 1 16W VLCD_12V 5 5V C51 C704 NC on_Panel 4 H3 TP 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 Q703 PMBS3904 C32 R728 NC 4K7 BL_ADJ DC VLCD_12V Q701 PMBS3904 VCC1 8 Q702 CHT2907 C B E GND H1 TP 1 2 3 4 5 6 7 8 9 1 2 3 ...

Page 44: ... 10K 1 16W GNDR 4 DVI5V DAT0 BLUE C432 0 047uF GREEN R464 10 1 16W C437 0 047uF D418 BAV99 3 1 2 C453 0 1uF D407 BAV70 3 1 2 R465 10 1 16W FB409 120 OHM R471 10K 1 16W GIN 4 CLK 4 INPUT A TSUM16AK B 1 5 Monday May 30 2005 Title Size Document Number Rev Date Sheet of 5V R472 NC R453 100 1 16W U404 M24C02 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC RED D408 MLL5232B 5 6V R 4 R438 75 1 16W R463 10 1 ...

Page 45: ...428 0 1uF DET_DVI 3 PB3 GPO1 R487 10K 1 16W VCC3 3 2 AUDIO_MUTE R411 100 1 16W CLK 3 PB19 C406 0 1uF VCC1 8 2 VDDP GPO 0 4 VCC3 3 R410 NC on_BACKLIGHT 2 R417 20K 1 16W OUT L C418 10uF 16V NC R427 100 1 16W C403 4 7uF 16V GIN 3 KEY_LEFT Q405 NC E B C R476 1K 1 16W VDDC KEY_B PB15 VCC3 3 2 PB 6 11 PA8 C423 22pF PA16 CLK 3 P 0 7 KEY_RIGHT Volume R404 10K 1 16W NC R477 1K 1 16W D402 RLZ36B 1 2 R403 39...

Page 46: ... CLKAN 0R V RB1P RXE1 LVB2P PB17 LVA3M PB6 LVBCKP LVA2P PA0 RA3N POL 0R Table 1 LVBCKM PA7 BB3N 3 3V NC PA16 R108 NC LVA3P B1N PB13 CLKBN FB0P RB2N BG1N FR2N V GPOO3 BB1P LVB2M NC GB1P RXOC PA2 RXEC LVACKP 3 3V R91 GPO4 RA3N PB23 PA 0 7 4 NC BA2P PB 12 23 RXE3 RB2N LVB3M PB15 RA3P B0N LVB0M BR0P BA1N FR0P V BR2P STV2 R102 NC 0 CN102 IL FHR B50S HF JAE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1...

Page 47: ...46 Power board adapter inverter ...

Page 48: ...47 ...

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