AL1716v Service Guide
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... External Controls 18 Front Panel Controls 19 Adjusting the picture 20 Hot-Key Menu 23 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 Analog 41 TSUM16AK 42 LVDS 43...
... External Controls 18 Front Panel Controls 19 Adjusting the picture 20 Hot-Key Menu 23 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 Analog 41 TSUM16AK 42 LVDS 43...
AL1716v Service Guide
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NG Check power section OK Replace U701, U702 OK Replace U401 NG Replace X401 32 No power No power Chapter 4 Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal NG OK Measure U701 PIN2=3.3V, U702 PIN2=3.3V Reinsert or check the power section NG OK X401 oscillate waveforms are normal Measure CN701 PIN5/6=12V? Measure CN701 PIN9/10=5V? Troubleshooting This chapter provides troubleshooting information for the AL1716: 1.
NG Check power section OK Replace U701, U702 OK Replace U401 NG Replace X401 32 No power No power Chapter 4 Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal NG OK Measure U701 PIN2=3.3V, U702 PIN2=3.3V Reinsert or check the power section NG OK X401 oscillate waveforms are normal Measure CN701 PIN5/6=12V? Measure CN701 PIN9/10=5V? Troubleshooting This chapter provides troubleshooting information for the AL1716: 1.
AL1716W Service Guide
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Flat Panel Specification 07 03. Troubleshooting 14 05. Spare Parts List 23 06. Assembly and Disassembly 41 Appendix : User's Manual Safety Notice Any person attempting to service this chassis must familarize with the chassis and be used when serving electronic equipment containing high voltage. ACER ACER_LCD_AL1716W_SM070510V1 Service Model ID: T17ANHW-G1 Service Manual...
Flat Panel Specification 07 03. Troubleshooting 14 05. Spare Parts List 23 06. Assembly and Disassembly 41 Appendix : User's Manual Safety Notice Any person attempting to service this chassis must familarize with the chassis and be used when serving electronic equipment containing high voltage. ACER ACER_LCD_AL1716W_SM070510V1 Service Model ID: T17ANHW-G1 Service Manual...
AL1716W Service Guide
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...damaged. NG Check R807, D804, I801 whether to be correct connected. OK Check feedback circuit around I802, I803 and the other components and repair them Troubleshooting OK It is over load NG Check D809, D810, C818, C824, C823, C822, T802 whether to be damaged. NG Turn switch on OK ... D809, D810, C818, C824, C823, C817, C822, T802 have same short circuit or the output +5V/+22V is not power board problem. 14 ACER AL1716W Go to cover page 4.1 Power board Check output voltage +5V and +22V whether if correct supply NG Check power switch whether if turn on ....
...damaged. NG Check R807, D804, I801 whether to be correct connected. OK Check feedback circuit around I802, I803 and the other components and repair them Troubleshooting OK It is over load NG Check D809, D810, C818, C824, C823, C822, T802 whether to be damaged. NG Turn switch on OK ... D809, D810, C818, C824, C823, C817, C822, T802 have same short circuit or the output +5V/+22V is not power board problem. 14 ACER AL1716W Go to cover page 4.1 Power board Check output voltage +5V and +22V whether if correct supply NG Check power switch whether if turn on ....
AL1716W Service Guide
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... 4. NG Check pin2 of I101, there's around 1.25V from output detection. NG Check D121, D120, R130, C128, C111 and repair them is an external PWM. Troubleshooting (continued) 4.2 Inverter circuit on power board Check C106 pin is greater than 0.55V Brightness pin is opened. NG Check CCFL and repair them... ACER AL1716W 15 Go to NG be damaged. Reconnect P103 and P104 in tightly. OK Check pin5 of I101 is not inverter board problem. OK ...
... 4. NG Check pin2 of I101, there's around 1.25V from output detection. NG Check D121, D120, R130, C128, C111 and repair them is an external PWM. Troubleshooting (continued) 4.2 Inverter circuit on power board Check C106 pin is greater than 0.55V Brightness pin is opened. NG Check CCFL and repair them... ACER AL1716W 15 Go to NG be damaged. Reconnect P103 and P104 in tightly. OK Check pin5 of I101 is not inverter board problem. OK ...
AL1716W Service Guide
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... is output and if the video cable is amber) Does OSM display when you press 'MENU' button? Troubleshooting (continued) 4.3 No.display of screen (Screen is black, color of LED is connected normally. 16 ACER AL1716W Go to 'No OSM display' section NG Input the sync signal of computer or change the cable...
... is output and if the video cable is amber) Does OSM display when you press 'MENU' button? Troubleshooting (continued) 4.3 No.display of screen (Screen is black, color of LED is connected normally. 16 ACER AL1716W Go to 'No OSM display' section NG Input the sync signal of computer or change the cable...
AL1716W Service Guide
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... Reconnect the video cable. 3. I301 is failure Failure Point: NG 1. Check the host for failure. NG OK Check the 5V power is blue) ACER AL1716W 17 Go to display on P306 pin28, pin29, pin3 to 'Checking the backlight unit' section. NG Failure Point: Q302 is open Failure Point... OK Failure Point: Q302 is failure Failure Point: Check if the voltage on I306 NG pin1 that is power DC at TTL high level. Troubleshooting (continued) 4.4 Nothing display on screen (screen is black, color of video signal output on I309 pin8 that is power DC 3V3 NG Failure...
... Reconnect the video cable. 3. I301 is failure Failure Point: NG 1. Check the host for failure. NG OK Check the 5V power is blue) ACER AL1716W 17 Go to display on P306 pin28, pin29, pin3 to 'Checking the backlight unit' section. NG Failure Point: Q302 is open Failure Point... OK Failure Point: Q302 is failure Failure Point: Check if the voltage on I306 NG pin1 that is power DC at TTL high level. Troubleshooting (continued) 4.4 Nothing display on screen (screen is black, color of video signal output on I309 pin8 that is power DC 3V3 NG Failure...
AL1716W Service Guide
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... computer input on I306 pin99, pin96, pin93 respectively that their level is open between I306 and P306. NG 2. No R.G.B video signals output from host computer. Troubleshooting (continued) Failure Point: NG 1. OK Proceed 'Checking the resolution changed IC movement' section Failure Point: In the case of video connector 4. Check the computer. 2. 18...
... computer input on I306 pin99, pin96, pin93 respectively that their level is open between I306 and P306. NG 2. No R.G.B video signals output from host computer. Troubleshooting (continued) Failure Point: NG 1. OK Proceed 'Checking the resolution changed IC movement' section Failure Point: In the case of video connector 4. Check the computer. 2. 18...
AL1716W Service Guide
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... key board is failure Failure Point: 1. R380,R383,R378 or R379 is disconnected. 2. Printed wire broken between P307 pin2 and I306 pin114. Troubleshooting (continued) 4.6 Abnormal OSM display adjust problem ACER AL1716W 19 Go to cover page Check the input TTL level whether to press button, the level will be changed.) Failure Point...
... key board is failure Failure Point: 1. R380,R383,R378 or R379 is disconnected. 2. Printed wire broken between P307 pin2 and I306 pin114. Troubleshooting (continued) 4.6 Abnormal OSM display adjust problem ACER AL1716W 19 Go to cover page Check the input TTL level whether to press button, the level will be changed.) Failure Point...
AL1716W Service Guide
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... defected. OK Check the output signal of serial data and clock signal I304 pin5 and pin6 NG Failure Point: I304 is power DC 5V. 20 ACER AL1716W Go to cover page 4.7 Abnormal plug and play for VGA 4. Check the voltage on P302 pin10 that is defected. OK Check the voltage on... VGA video cable is short. C331, C332 is damaged. R328, R329, R326, R327 is open. 2. If I304 pin5, pin6 LOW, the I304 may be failure. Troubleshooting (continued) Confirm the host computer supplies DDC2 mode.
... defected. OK Check the output signal of serial data and clock signal I304 pin5 and pin6 NG Failure Point: I304 is power DC 5V. 20 ACER AL1716W Go to cover page 4.7 Abnormal plug and play for VGA 4. Check the voltage on P302 pin10 that is defected. OK Check the voltage on... VGA video cable is short. C331, C332 is damaged. R328, R329, R326, R327 is open. 2. If I304 pin5, pin6 LOW, the I304 may be failure. Troubleshooting (continued) Confirm the host computer supplies DDC2 mode.
AL1716W Service Guide
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Printed wire is open . 3. R323 and C327 may be short. 4. ACER AL1716W 21 Go to cover page OK Check the vertical sync signal on P302 pin14 TTL level Failure Point: NG VGA video cables is short. 7. Troubleshooting (continued) 4.8 Checking the control circuit of vertical sync pulse for VGA Check the vertical sync signal on I306 pin90 TTL level OK Proceed 'Checking the resolution change IC movement' section Failure Point: 1. D305, D306 is failure. FB312 and R322 may be open between P302 pin14 and I306 NG pin90. 2.
Printed wire is open . 3. R323 and C327 may be short. 4. ACER AL1716W 21 Go to cover page OK Check the vertical sync signal on P302 pin14 TTL level Failure Point: NG VGA video cables is short. 7. Troubleshooting (continued) 4.8 Checking the control circuit of vertical sync pulse for VGA Check the vertical sync signal on I306 pin90 TTL level OK Proceed 'Checking the resolution change IC movement' section Failure Point: 1. D305, D306 is failure. FB312 and R322 may be open between P302 pin14 and I306 NG pin90. 2.
AL1716W Service Guide
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...broke between X301 and I306 pin108 NG and pin109 2. Failure Point: 1. X301 is defected. OK Failure Point: I306 is damaged. 22 ACER AL1716W Go to I306 pin108 and pin109 at normal operation. Check +1V8 supplied on I306 pin2, pin25, pin53, pin47, pin74, pin82,...pin91, pin92, pin101. NG Proceed 'Checking the DC/DC converter circuit' section OK 1. R362,R364,R365,R366,R359,R360 or R361 is open . 3. Troubleshooting (continued) 4.9 Checking the resolution change IC movement 1. Check +3V3 supplied on I306 pin55, pin87, pin17, pin118, pin70, pin78, pin104, pin106. 2....
...broke between X301 and I306 pin108 NG and pin109 2. Failure Point: 1. X301 is defected. OK Failure Point: I306 is damaged. 22 ACER AL1716W Go to I306 pin108 and pin109 at normal operation. Check +1V8 supplied on I306 pin2, pin25, pin53, pin47, pin74, pin82,...pin91, pin92, pin101. NG Proceed 'Checking the DC/DC converter circuit' section OK 1. R362,R364,R365,R366,R359,R360 or R361 is open . 3. Troubleshooting (continued) 4.9 Checking the resolution change IC movement 1. Check +3V3 supplied on I306 pin55, pin87, pin17, pin118, pin70, pin78, pin104, pin106. 2....
AL1716W User's Guide
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TABLE OF CONTENTS Special notes on LCD monitors 1 Introduction 2 Features ...2 Unpacking 3 Attaching/Removing the base 4 Screen position adjustment 4 Connecting the power cord 5 Safety precaution 5 Cleaning your monitor 5 Preset modes 6 Power saving 7 DDC ...7 Installation 8 User controls 9 Troubleshooting 13 Specification 15 For more information and help in recycling, please visit the following websites: Worldwide: http://global.acer.com/about/sustainability.htm
TABLE OF CONTENTS Special notes on LCD monitors 1 Introduction 2 Features ...2 Unpacking 3 Attaching/Removing the base 4 Screen position adjustment 4 Connecting the power cord 5 Safety precaution 5 Cleaning your monitor 5 Preset modes 6 Power saving 7 DDC ...7 Installation 8 User controls 9 Troubleshooting 13 Specification 15 For more information and help in recycling, please visit the following websites: Worldwide: http://global.acer.com/about/sustainability.htm
AL1716W User's Guide
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... Monitor and Computer Power-ON the monitor first, then power-ON the computer. If the monitor still does not function properly, please refer to the troubleshooting section to the computer. 1-2 Digital Cable (Only Dual-Input Model) a. Please don't open the cover E-8 b. Connect the VGA video cable to diagnose the problem. Connect...
... Monitor and Computer Power-ON the monitor first, then power-ON the computer. If the monitor still does not function properly, please refer to the troubleshooting section to the computer. 1-2 Digital Cable (Only Dual-Input Model) a. Please don't open the cover E-8 b. Connect the VGA video cable to diagnose the problem. Connect...
AL1716W User's Guide
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...case of missing full-screen image, please select other resolution or other vertical refresh timing. · Wait for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem. (VGA Mode) Problems Current Status Remedy LED ON · Using ...size POSITION with non-standard signals. · Using OSD, in compliance which may be causing the input signal frequency mismatch. AL1716W TROUBLESHOOTING Before sending your LCD monitor for a few seconds after adjusting the size of computer system is properly connected to their default settings....
...case of missing full-screen image, please select other resolution or other vertical refresh timing. · Wait for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem. (VGA Mode) Problems Current Status Remedy LED ON · Using ...size POSITION with non-standard signals. · Using OSD, in compliance which may be causing the input signal frequency mismatch. AL1716W TROUBLESHOOTING Before sending your LCD monitor for a few seconds after adjusting the size of computer system is properly connected to their default settings....
AL1716x Service Guide
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... Cover Chapter 2 Operating Instruction 20 Front Bezel Control Adjusting the Monitor How to Optimize the DOS-Mode Chapter 3 Machine Assembly 27 Chapter 4 Troubleshooting 31 Common Acknowledge Interface Board Troubleshooting QPI PCBA Troubleshooting Chapter 5 Connector Information 40 VGA Connector Pin Assignment Chapter 6 FRU (Field Replaceable Unit) 42 Exploded Diagram Part List Chapter 7 Schematic Diagram...
... Cover Chapter 2 Operating Instruction 20 Front Bezel Control Adjusting the Monitor How to Optimize the DOS-Mode Chapter 3 Machine Assembly 27 Chapter 4 Troubleshooting 31 Common Acknowledge Interface Board Troubleshooting QPI PCBA Troubleshooting Chapter 5 Connector Information 40 VGA Connector Pin Assignment Chapter 6 FRU (Field Replaceable Unit) 42 Exploded Diagram Part List Chapter 7 Schematic Diagram...
AL1716x Service Guide
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...-by-step procedures on a soft surface when mounting or removing the base. 3. The monitor surface is susceptible to scratching! NOTE: 1. The screws for maintenance and troubleshooting.
...-by-step procedures on a soft surface when mounting or removing the base. 3. The monitor surface is susceptible to scratching! NOTE: 1. The screws for maintenance and troubleshooting.
AL1716x Service Guide
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..." only, please re-do it at condition of specification, the picture appears abnormally. Press ">" and " If you check the H/V position, please use the crosshatch pattern. TROUBLESHOOTING Chapter 4 1. This LCM is normal or not, please do "Auto color balance". If you confirm the R.G.B.
..." only, please re-do it at condition of specification, the picture appears abnormally. Press ">" and " If you check the H/V position, please use the crosshatch pattern. TROUBLESHOOTING Chapter 4 1. This LCM is normal or not, please do "Auto color balance". If you confirm the R.G.B.
AL1716x Service Guide
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3.Interface Board Troubleshooting 3.1 Black Screen and backlight turn on #MBDLTDSFFO $IFDLQPXFS /( TVQQMZQJO PG $/ :&4 /( $IFDLQJO PG6 .$6 :&4 /( $IFDLSFTFU QJO PG6 :&4 /( $IFDLDSZTUBM QJO XBWFGPSNPG6 :&4 $IFDL$$'- &OBCMF QJO PG6 /( .$6'BJM :&4 :&4 $IFDLQJOPG $/ /( 1PXFSGBJM $IFDL '# 3 3 3 $IFDL $ % 3 $IFDL 9 *OWFSUFS'BJM $IFDL 3 3 3 $ 2 36
3.Interface Board Troubleshooting 3.1 Black Screen and backlight turn on #MBDLTDSFFO $IFDLQPXFS /( TVQQMZQJO PG $/ :&4 /( $IFDLQJO PG6 .$6 :&4 /( $IFDLSFTFU QJO PG6 :&4 /( $IFDLDSZTUBM QJO XBWFGPSNPG6 :&4 $IFDL$$'- &OBCMF QJO PG6 /( .$6'BJM :&4 :&4 $IFDLQJOPG $/ /( 1PXFSGBJM $IFDL '# 3 3 3 $IFDL $ % 3 $IFDL 9 *OWFSUFS'BJM $IFDL 3 3 3 $ 2 36