Acer AL1716 AL1716x Service Guide
Acer AL1716 Manual
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- Acer AL1716 | AL1716x Service Guide - Page 1
Acer AL1716x Service Guide 1 - Acer AL1716 | AL1716x Service Guide - Page 2
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically - Acer AL1716 | AL1716x Service Guide - Page 3
related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. CAUTION IMPORTANT Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishments of procedures. 3 - Acer AL1716 | AL1716x Service Guide - Page 4
in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIEDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer - Acer AL1716 | AL1716x Service Guide - Page 5
limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are installed and used in accordance with the instructions, may cause harmful interference to radio operate the equipment. 2. Shielded interface cables and AC power cord, if any, must be used in order to - Acer AL1716 | AL1716x Service Guide - Page 6
WARNING: To prevent fire or shock hazard, do not expose the monitor to rain or moisture. Dangerously high voltages are present inside the monitor. Do not open the cabinet. Refer servicing to qualified personnel only 6 - Acer AL1716 | AL1716x Service Guide - Page 7
and shall be easily accessible. SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicated a problem. NOTES Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make - Acer AL1716 | AL1716x Service Guide - Page 8
the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image or turning off the Power Switch for hours. 8 - Acer AL1716 | AL1716x Service Guide - Page 9
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 - Acer AL1716 | AL1716x Service Guide - Page 10
LCD Panel Signal Display Color Dot Clock Max. Resolution Plug & Play EPA ENGERGY STAR Input Connector Driving System Size Pixel pitch Viewable angle Brightness Contrast Ratio Response Time Video Separate Sync. H-Frequency V-Frequency ON MODE OFF MODE Input Video Signal Maximum Screen Size Power - Acer AL1716 | AL1716x Service Guide - Page 11
Color (Warm, Cool, User) Language OSD (H. Position, V. Position, Timeout) Auto Config Information Regulatory Compliance Reset Exit UL, CSA, TUS+GS, CG, PSB, B-MARK, PSE, Ergo, FCC, BSMI, VCCI, C-Tick, TCO99, CCC, WHQL FACTORY PRESET TIMING TABLE Standard VGA SVGA XGA SXGA IBM MAC Resolution - Acer AL1716 | AL1716x Service Guide - Page 12
1024 x 768 1024 x 768 48.780 60.241 60.001 74.927 12 - Acer AL1716 | AL1716x Service Guide - Page 13
: Deal with VGA input signal and output the signal to panel. 2. Power/inverter board: Provide power to interface board and panel 3. Keypad board: For user to control the LCD monitor. 4. Flat panel: Flat panel (LVDS interface) and CCFL Inverter/Power BD (Including AC/DC Power Supply and Inverter - Acer AL1716 | AL1716x Service Guide - Page 14
Red Green Blue Vsync Hsync SCL SDA MAIN BOARD DIAGRAM Interface Board DDC A/D & Scaling & OSD MCU EEPROM To LCD module 14 - Acer AL1716 | AL1716x Service Guide - Page 15
mode. 7. Check the analog port, are there any signal coming? 8. Display "No Signal" message. 9. Enter sleep mode. 10. Wake up the scalar. 11. Program the scalar to be able to show the coming mode. 12. Turn on the LED and set it to green color. 13. Process the OSD display 14. Read the keyboard - Acer AL1716 | AL1716x Service Guide - Page 16
MONITOR INTERFACE BOARD PCB LAYOUT 16 - Acer AL1716 | AL1716x Service Guide - Page 17
Symbol: CN103 CN101 U102 X102 U104 U105 CN102 U103 U106 X101 CN105 U101 Component: LVDS connector Connector to power BD 5V to 1.8V regulator Crystal to scaler Scaler "TSU16AK" MCU "Winbond" D-sub connector DDC EEPROM Crystal to MCU Connector to control BD 5V to 3.3V regulator 17 - Acer AL1716 | AL1716x Service Guide - Page 18
FRONT BEZEL 5 4 3 2 1 ITEM 1 2 3 4 5 DESCRIPTION Power Tack Switch Menu/Enter > (Up) < (Down) Auto/Exit 18 - Acer AL1716 | AL1716x Service Guide - Page 19
REAR BEZEL 1 ITEM 1 2 2 DESCRIPTION Three-pronged power cord VGA Cable with blue connector compliance with PC99 19 - Acer AL1716 | AL1716x Service Guide - Page 20
INSTRUCTIONS Press the power button to turn the monitor on or off. The other control buttons are located on the front of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. The power cord should be connected. Connect the video cable from the monitor - Acer AL1716 | AL1716x Service Guide - Page 21
< 5 Auto/Exit Press this button to turn the monitor on or off LED Green - Power On mode LED Orange - Off mode Activate OSD menu when OSD is off or activate/de-activate adjustment function when OSD is ON or Exit OSD menu when in Volume Adjust OSD status. 1. Activates the volume control when the OSD - Acer AL1716 | AL1716x Service Guide - Page 22
ADJUSTING THE MONITOR 1.) Main OSD Menu a. Outline b. Description for OSD Main Sub Menu Sub Menu Menu Icon Item Icon Contrast Description Contrast from digital register Adjustment Range 0-100 50 Reset Value Brightness Backlight Adjustment 0-100 100 Phase Clock H. Position Adjust - Acer AL1716 | AL1716x Service Guide - Page 23
50 V. Position Adjust OSD vertical position 0-100 50 OSD Timeout Auto Config N/A Adjust the OSD timeout 0-100 40 Auto adjust the picture's H/V N/A N/A position, clock and phase Information N/A Reset N/A Show the current input timing N/A N/A mode's resolution, H/V frequency Memory - Acer AL1716 | AL1716x Service Guide - Page 24
Exit N/A Exit OSD N/A N/A 24 - Acer AL1716 | AL1716x Service Guide - Page 25
b. OSD Message Description Item Description No Signal When LCD Monitor power on, but video cable is not connected, will show this message, then enter power saving. 3) FACTORY MENU a. How to call out "Factory Menu" At VGA in, Push "AUTO" & "MENU", and plug AC Power cord in sync.. b. Outline 25 - Acer AL1716 | AL1716x Service Guide - Page 26
when there is no video-input signal present. When there is no video input signal 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 - Acer AL1716 | AL1716x Service Guide - Page 27
the disassembly process, collect the screws with the corresponding components to avoid mismatch when putting back the components. 2. The monitor surface is susceptible to scratching! Therefore, lay the monitor on a soft surface when mounting or removing the base. 3. Wear gloves Chassis*1 PCBA Power - Acer AL1716 | AL1716x Service Guide - Page 28
Chassis*1 PCBA Power Board *1 INSULATOR PC,MYLAR SCREW (PW 3*6,M,ZN) *3 PCBA I/F BOARD *1 CABLE 30P FFC HRN ASS'Y 8P SCREW (PW 3*6,M,ZN) *3 PCBA Control Board *1 SCREW (PW 3*4,M,ZN) *2 Insert B/L - Acer AL1716 | AL1716x Service Guide - Page 29
Panel Module *1 Back cover*1 Arm Stand*1 (M4x10,ZN)*4 Bracket Finger*1 (M4x18,ZN)*3 Stand plate*1 Rubber*4 29 - Acer AL1716 | AL1716x Service Guide - Page 30
Front Bezel *1 Button *1 Indicator *1 Hinge Cover 30 - Acer AL1716 | AL1716x Service Guide - Page 31
in the analog circuit part, if only some scale appears abnormal color that stand the problem happen in the digital circuit part. If you check the H/V position, please use the crosshatch pattern. This LCM support 20 timing modes, if the input timing mode is out of specification, the picture appears - Acer AL1716 | AL1716x Service Guide - Page 32
No power &LED off :&4 Check primary rectifier voltage /0 /0 Check circuit if short Check IC802, C805, T801 :&4 Check pin3 of IC802 voltage about 1V :&4 Check F801, F802, P801, - Acer AL1716 | AL1716x Service Guide - Page 33
Output Voltage Unstable /( Check Vbe of 801 below 0.3V :&4 :&4 Check circuit if short :&4 Check Q801, Q802 /( Check ZD801, ZD802, ZD803, D803, D805 /( Check reference voltage :&4 :&4 Check pinR of IC801 :&4 Check R810, R811 /( Check R809, R814, IC801, R818 Check feedback circuit :&4 &/% /( - Acer AL1716 | AL1716x Service Guide - Page 34
is unstable Unstable power Check sampling Circuit :&4 Check the R pin voltage of IC803 about 2.5V :&4 Check pin1 of IC802 voltage is 5.8V /0 Check R810, R811,R818 /0 Check the C pin - Acer AL1716 | AL1716x Service Guide - Page 35
No raster :&4 LED Green? :&4 Backlight can not be turned on :&4 Is there 12Vdc voltage on pin13 of IC501? :&4 Is there high-level voltage on pin8 of IC501 :&4 Check CN501, CN502, CN503 and CN504? :&4 /0 /0 Is Ok fuse F501? /0 /0 Is R526 Ok? /0 F501 open Check power supply :&4 Check I/F board - Acer AL1716 | AL1716x Service Guide - Page 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$$'- & - Acer AL1716 | AL1716x Service Guide - Page 37
3.2 White Screen 8IJUFTDSFFO -7%4$BCMF 3FJOTFSU /( $IBOHF -7%4$BCMF /( $IFDL7-$% JT7 /( $IFDL1BOFM&OBCMFPG 6 QJO JTMPX 0, $IFDL 2 2 2 3 0, 0, 0, $IFDL-7%4 TJHOBM $IFDLUIF )83&4&5PG 6FYJTUT /( 0, $IFDLUIFQJOTPG 6 8PSLNBOTIJQ -7%4DBCMF/( 0, - Acer AL1716 | AL1716x Service Guide - Page 38
3.3 Bad Screen #BE4DSFFO 0, -7%4$BCMF 3FJOTFSU /( 0, $IBOHF-7%4 $BCMF /( 8PSLNBOTIJQ -7%4$BCMF/( $IFDL$SZTUBM /( QJO PG6BOE QJO PG6 0, $IFDL9 $IFDL9 $IFDLUIF /( DPNNVOJDBUJPOPG 6BOE6 0, $IFDL"-&3%; 83;"%"% "%"% )83&4&5 $ - Acer AL1716 | AL1716x Service Guide - Page 39
39 - Acer AL1716 | AL1716x Service Guide - Page 40
ONNECTOR INFORMATION VGA Connector (D-Sub 15pin) Pin Assignments Chapter 5 Pin Symbol 1 Red 2 Green 3 Blue 4 N.C. 5 GND Pin Symbol 6 Red_GND 7 Green_GND 8 Blue_GND 9 PC+5V 10 N.C. Pin Symbol 11 N.C. 12 DDC_SDA 13 HSYNC 14 VSYNC 15 DDC_SCL 40 - Acer AL1716 | AL1716x Service Guide - Page 41
to-date information available on your regional web or channel (http://aicsl.acer.com.tw/spl/). For whatever reasons a part number change is made, it will not be noted in the printed Service Guide. You MUST use the local FRU list provided by your regional Acer office ot order FRU parts for repair and - Acer AL1716 | AL1716x Service Guide - Page 42
Zn FOIL,AL.,DOUBLE COND.,45x35x0.04mm, FOIL,AL.,DOUBLE COND.,45x35x0.04mm, LE17 LE17 main board PCBA,IF BOARD, LE1710-6A0 power + invertor board LCD PANEL 17" MT170EN01-V1-G3AM170000512 PCBA,PWR&INV./B, LE1710-6A0 LCD PANEL 17" MT170EN01-V1-G3AM170000512 Key pad PCBA,KEYPAD BOARD+ Bezel 42 - Acer AL1716 | AL1716x Service Guide - Page 43
SHEMATIC DIAGRAM Keypad Diagram Chapter 7 Interface Board Schematic 43 - Acer AL1716 | AL1716x Service Guide - Page 44
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POW/INV Board Schematic 50