AL1716W Service Guide
Page 2
... in extremely high humility environment. ! Qualified Repairability: Proper service and repair is important to meet RoHS Directive and Lead-Free produced definition. Important Safety Notice ACER AL1716W 1 Go to cover page Product Anouncement: This product is certificated to the safe, reliable operation of all liability. ! Using approved critical components only is recommended...
... in extremely high humility environment. ! Qualified Repairability: Proper service and repair is important to meet RoHS Directive and Lead-Free produced definition. Important Safety Notice ACER AL1716W 1 Go to cover page Product Anouncement: This product is certificated to the safe, reliable operation of all liability. ! Using approved critical components only is recommended...
AL1716W Service Guide
Page 3
... pattern test mode following spec. The display element shall be a 17" inch diagonal, WXGA (1440 x 900) resolution, TFT-LCD (Thin Film Transistor Liquid Crystal Display). 2 ACER AL1716W Go to drive the LCD display circuit. Product Specification 1.1 Scope: This document defines the design and performance requirements for the Liteon standard 17" wide flat...
... pattern test mode following spec. The display element shall be a 17" inch diagonal, WXGA (1440 x 900) resolution, TFT-LCD (Thin Film Transistor Liquid Crystal Display). 2 ACER AL1716W Go to drive the LCD display circuit. Product Specification 1.1 Scope: This document defines the design and performance requirements for the Liteon standard 17" wide flat...
AL1716W Service Guide
Page 4
... Trigger input). The Vertical Sync (VS) TTL signal is terminated by using this defined video amplitude driving a monitor meeting the termination requirements. Product Specification (continued) ACER AL1716W 3 Go to mains power. Symbol Function Note 1 GND Ground 2 VDD Power supply: +0.5V 3 VDD Power supply: +0.5V 4 NC Reserved for supplier test point 5 NC Reserved...
... Trigger input). The Vertical Sync (VS) TTL signal is terminated by using this defined video amplitude driving a monitor meeting the termination requirements. Product Specification (continued) ACER AL1716W 3 Go to mains power. Symbol Function Note 1 GND Ground 2 VDD Power supply: +0.5V 3 VDD Power supply: +0.5V 4 NC Reserved for supplier test point 5 NC Reserved...
AL1716W Service Guide
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... (-) button. When the value is increased, the width of input signals is asserted, the maximum current source from 11 Languages; Adjust the delay of image. 4 ACER AL1716W Go to enter and exit the OSD menu. 1.5.6 OSD Function- The (MENU) button is 1.6 mA. To move to turn off time. Table 1 Power-ON Mode...
... (-) button. When the value is increased, the width of input signals is asserted, the maximum current source from 11 Languages; Adjust the delay of image. 4 ACER AL1716W Go to enter and exit the OSD menu. 1.5.6 OSD Function- The (MENU) button is 1.6 mA. To move to turn off time. Table 1 Power-ON Mode...
AL1716W Service Guide
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... message is displayed about 3 seconds, the monitor shall go into the CPU or a Monitor signal connector. Horizontal OSD position=50(range 0 - 100) G. Product Specification (continued) ACER AL1716W 5 Go to the monitor. 1.6.2 Factory Assigned Display Modes: There are 18 factory pre-set for another 3 seconds. 1.5.8 OSD Control Factory Default Values: The OSD controls...
... message is displayed about 3 seconds, the monitor shall go into the CPU or a Monitor signal connector. Horizontal OSD position=50(range 0 - 100) G. Product Specification (continued) ACER AL1716W 5 Go to the monitor. 1.6.2 Factory Assigned Display Modes: There are 18 factory pre-set for another 3 seconds. 1.5.8 OSD Control Factory Default Values: The OSD controls...
AL1716W Service Guide
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... to perform its function. AC Inverter Requirements: The frequencies used by VESA E-EDID Standard. The fuse may not be displayed on an unsafe current level. 6 ACER AL1716W Go to "stretch" the video signal, so that an input signal from the computer in any resolution smaller than 75W over the specified input voltage...
... to perform its function. AC Inverter Requirements: The frequencies used by VESA E-EDID Standard. The fuse may not be displayed on an unsafe current level. 6 ACER AL1716W Go to "stretch" the video signal, so that an input signal from the computer in any resolution smaller than 75W over the specified input voltage...
AL1716W Service Guide
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... achieved through the use of the display. The lamps shall have resulted from the CPU, so that does not damage the glass. Flat Panel Specification ACER AL1716W 7 Go to support field replacement at 25 degree C. This model is composed of the time the monitor power switch is pressed or the monitor is...
... achieved through the use of the display. The lamps shall have resulted from the CPU, so that does not damage the glass. Flat Panel Specification ACER AL1716W 7 Go to support field replacement at 25 degree C. This model is composed of the time the monitor power switch is pressed or the monitor is...
AL1716W Service Guide
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.... (HSD170MGW1-A); It shall be no defined by panel spec, therefore, we don't define the specification for brightness set to cover page 2. full white luminance)/(Max. 8 ACER AL1716W Go to default. 2.6.4 Viewing angles: The viewing angles are given in any of the visible surfaces. Flat Panel Specification (continued) 2.5.6 Smudges, Streaks and Smears: When...
.... (HSD170MGW1-A); It shall be no defined by panel spec, therefore, we don't define the specification for brightness set to cover page 2. full white luminance)/(Max. 8 ACER AL1716W Go to default. 2.6.4 Viewing angles: The viewing angles are given in any of the visible surfaces. Flat Panel Specification (continued) 2.5.6 Smudges, Streaks and Smears: When...
AL1716W Service Guide
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Flat Panel Specification (continued) ACER AL1716W 9 Go to cover page 2.6.5 Chromaticity: The color chromaticity is determined by a photometer (CA-210) at 1440x900/60Hz mode and the brightness and contrast OSD setting ...
Flat Panel Specification (continued) ACER AL1716W 9 Go to cover page 2.6.5 Chromaticity: The color chromaticity is determined by a photometer (CA-210) at 1440x900/60Hz mode and the brightness and contrast OSD setting ...
AL1716W Service Guide
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... differential data input (R0-R5, G0) 21 Even_Rin0+ + LVDS differential data input (R0-R5, G0) 22 GND Ground 23 Even_Rin1- - Connector CN1 Y-driver IC 10 ACER AL1716W Go to nothing. Don't connect it to ground nor to other signal input. (NC pin should be open.) Note (2) The module used a100ohm resistor between...
... differential data input (R0-R5, G0) 21 Even_Rin0+ + LVDS differential data input (R0-R5, G0) 22 GND Ground 23 Even_Rin1- - Connector CN1 Y-driver IC 10 ACER AL1716W Go to nothing. Don't connect it to ground nor to other signal input. (NC pin should be open.) Note (2) The module used a100ohm resistor between...
AL1716W Service Guide
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... specified value (Vs) should be able to provide a voltage over specified value (Vs) in the above to the ideal sine wave. 2. Flat Panel Specification (continued) ACER AL1716W 11 Go to operate under the following tables. The characteristic of the inverter must be turned on the display. Note (2) Lamp frequency may not be...
... specified value (Vs) should be able to provide a voltage over specified value (Vs) in the above to the ideal sine wave. 2. Flat Panel Specification (continued) ACER AL1716W 11 Go to operate under the following tables. The characteristic of the inverter must be turned on the display. Note (2) Lamp frequency may not be...
AL1716W Service Guide
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... OK Check D809, D810, C818, C824, C823, C817, C822, T802 have same short circuit or the output +5V/+22V is greater than 11V OK 4. 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 . NG...
... OK Check D809, D810, C818, C824, C823, C817, C822, T802 have same short circuit or the output +5V/+22V is greater than 11V OK 4. 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 . NG...
AL1716W Service Guide
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... is 5V OK Check if P103 and P104 are connected correctly. And, printed wire between them if be damaged. 4. NG Check CCFL and repair them ACER AL1716W 15 Go to cover page OK It is an external PWM. Reconnect P103 and P104 in tightly. OK Check pin5 of I101 is opened. Troubleshooting...
... is 5V OK Check if P103 and P104 are connected correctly. And, printed wire between them if be damaged. 4. NG Check CCFL and repair them ACER AL1716W 15 Go to cover page OK It is an external PWM. Reconnect P103 and P104 in tightly. OK Check pin5 of I101 is opened. Troubleshooting...
AL1716W Service Guide
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... and if the video cable is amber) Does OSM display when you press 'MENU' button? OK Proceed to 'Checking the resolution change the cable 16 ACER AL1716W Go to 'No OSM display' section NG Input the sync signal of computer or change IC movement' section NG Proceed to cover page 4. When a signal...
... and if the video cable is amber) Does OSM display when you press 'MENU' button? OK Proceed to 'Checking the resolution change the cable 16 ACER AL1716W Go to 'No OSM display' section NG Input the sync signal of computer or change IC movement' section NG Proceed to cover page 4. When a signal...
AL1716W Service Guide
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... pin1 2. NG OK Check the 5V power is supplied on I306 NG pin1 that is DC power at 5V OK Failure Point: I306 is blue) ACER AL1716W 17 Go to the LCD panel OK Check the P306 all black only. 1. The LVDS cable beoke between P306 and I306 LVDS signals. 2. OK Does...
... pin1 2. NG OK Check the 5V power is supplied on I306 NG pin1 that is DC power at 5V OK Failure Point: I306 is blue) ACER AL1716W 17 Go to the LCD panel OK Check the P306 all black only. 1. The LVDS cable beoke between P306 and I306 LVDS signals. 2. OK Does...
AL1716W Service Guide
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... cable disconnected OK Check VGA R.G.B input video signals on P302 of the RED signal. (Green and Blue signals are the same path, too.) 1. NG 2. 18 ACER AL1716W Go to P306 from computer input on I306 pin99, pin96, pin93 respectively that their level is failure. No R.G.B video signals output from host computer. Failure...
... cable disconnected OK Check VGA R.G.B input video signals on P302 of the RED signal. (Green and Blue signals are the same path, too.) 1. NG 2. 18 ACER AL1716W Go to P306 from computer input on I306 pin99, pin96, pin93 respectively that their level is failure. No R.G.B video signals output from host computer. Failure...
AL1716W Service Guide
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... P307 pin3 and I306 pin115. 3. R380,R383,R378 or R379 is disconnected. 2. OK Failure Point: I306 is defected. 3. 4. Troubleshooting (continued) 4.6 Abnormal OSM display adjust problem ACER AL1716W 19 Go to cover page Check the input TTL level whether to change when press the function keys on the P307 pin3, pin4 (normal is...
... P307 pin3 and I306 pin115. 3. R380,R383,R378 or R379 is disconnected. 2. OK Failure Point: I306 is defected. 3. 4. Troubleshooting (continued) 4.6 Abnormal OSM display adjust problem ACER AL1716W 19 Go to cover page Check the input TTL level whether to change when press the function keys on the P307 pin3, pin4 (normal is...
AL1716W Service Guide
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... is short. 3. D309, D310 is defected. Failure Point: NG 1. Failure Point: NG The VGA video cable is open. 2. R328, R329, R326, R327 is damaged. 20 ACER AL1716W Go to cover page 4.7 Abnormal plug and play for VGA 4. OK Check the output signal of serial data and clock signal I304 pin5 and pin6...
... is short. 3. D309, D310 is defected. Failure Point: NG 1. Failure Point: NG The VGA video cable is open. 2. R328, R329, R326, R327 is damaged. 20 ACER AL1716W Go to cover page 4.7 Abnormal plug and play for VGA 4. OK Check the output signal of serial data and clock signal I304 pin5 and pin6...
AL1716W Service Guide
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7. D305, D306 is failure. 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. 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. FB312 and R322 may be open between P302 pin14 and I306 NG pin90. 2.
7. D305, D306 is failure. 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. 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. FB312 and R322 may be open between P302 pin14 and I306 NG pin90. 2.
AL1716W Service Guide
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.... 3. Check +1V8 supplied on I305 pin46, pin53, pin86, and pin122. Printed wire broke between X301 and I306 pin108 NG and pin109 2. C375 is open . 3. 22 ACER AL1716W Go to I306 pin108 and pin109 at normal operation. NG Proceed 'Checking the DC/DC converter circuit' section OK 1. Failure Point: 1. Printed wire broke between...
.... 3. Check +1V8 supplied on I305 pin46, pin53, pin86, and pin122. Printed wire broke between X301 and I306 pin108 NG and pin109 2. C375 is open . 3. 22 ACER AL1716W Go to I306 pin108 and pin109 at normal operation. NG Proceed 'Checking the DC/DC converter circuit' section OK 1. Failure Point: 1. Printed wire broke between...