Acer AL1703 AL1703 Service Guide
Acer AL1703 Manual
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- Acer AL1703 | AL1703 Service Guide - Page 1
Acer AL1703 Service Guide Service guide files and updates are available on the CSD web : for more information, Please refer to http: csd.acer.com.tw 1 - Acer AL1703 | AL1703 Service Guide - Page 2
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1 Monitor Features 8 1.1 Test Conditions 8 1.2 Features 8 1.3 LCD Panel Specification 9 Chapter 2 OPERATING INSTRUCTIONS 12 2.1 Function Name 12 2.2 OSD Menu Description 14 2.3 OSD Control 15 2.4 OSD Menu Screen 15 2.5 OSD Function Definition 16 2.6 Plug and Play 17 2.7 Power Saver - Acer AL1703 | AL1703 Service Guide - Page 8
Monitor Features 1.1 Test Conditions Chapter 1 2 Item Temperature Humidity AC input voltage Brightness Contrast Resolution LCD Panel l TN Mode Liquid Crystal l D-SUB l Audio Function (Optional) l Support to 75Hz Refresh Rate l Support VESA-DCC 2B plug & play function l Support VESA-DPMS Power - Acer AL1703 | AL1703 Service Guide - Page 9
1.3 LCD panel Specification LCD panel Item Active Area Driver Element Pixel Number Pixel Pitch Pixel Arrangement Display Separate Sync. Graphic Horizontal Sync. Vertical Sync. Input Connector Auto Adjust Screen Scaling Power Performance Management Color Adjustment OSD Language 350 14 (Tr: 4 + Tf: - Acer AL1703 | AL1703 Service Guide - Page 10
(2) Definition of Contrast Ratio (CR): The contrast ratio can be calculated by the following expression and figure below. Contrast Ratio (CR) = L255 / L0 L255: Luminance of gray level 255 L 0: Luminance of gray level 0 CR = CR (5) CR (X) is corresponding to the Contrast Ratio of the point X at - Acer AL1703 | AL1703 Service Guide - Page 11
during measuring. In order to stabilize the luminance, the measurement should be executed after lighting Backlight for 20 minutes in a windless room. LCD Module LCD Panel Center of the Screen Photometer (TOPCON BM-5A) Field of View = 2 º 500 mm Light Shield Room (Ambient Luminance < 2 lux) 11 - Acer AL1703 | AL1703 Service Guide - Page 12
OPERATING INSTRUCTIONS 2.1 Function Name 2.1.1 Front Chapter 2 2 No. Key Descriptions 1 Power Switch Power on / Power off Green/Blue Normal operation 2 LED Indicator Orange Power Management Off Power off 3 AUTO/ EXIT Adjust Clock, Phase, H Position and V Position automatically / Exit - Acer AL1703 | AL1703 Service Guide - Page 13
2.1.2 Back No. Name Descriptions 9. AUDIO -I N d=3.5mm stereo mini Jack 10. VGA-IN D-sub mini 15pin Connector 11. N/A N/A 12. DC-IN DC Power Jack, d=2.0mm. 13. Lock hole Kinglock 13 - Acer AL1703 | AL1703 Service Guide - Page 14
: Press this key to control power ON/OFF of the Monitor. Green: normal display. Orange flicker: no signal input. Orange: power off. 2. Auto/Exit : When the input signal source is PC, used to execute auto adjustment 3. Input / Turbo : D-Sub, DVI input source selection 4. + / : Used to select - Acer AL1703 | AL1703 Service Guide - Page 15
Input Source Selection (optional) Audio Current Status Source Resolution & Frequency Status Color Temp. Status Input Source Status are automatically saved in the memory when the OSD disappears. Turning off the power should be avoided while using the menu. u Adjustments for clock, phase and - Acer AL1703 | AL1703 Service Guide - Page 16
image. Move the image left and right on the screen. Move the image up and down on the screen. Adjust the picture sharpness of lower resolutions. Adjust the volume of the audio. Set up the audio to be mute on or off. Set up the color temp. to be 9300K white - Acer AL1703 | AL1703 Service Guide - Page 17
usual installation problems. Your computer system can easily identify and automatically adjust the monitor. u The LCD Monitor uses Display set to monitor auto adjust. 2.7 Power Saver u Power control system, also called (Power Saver), is installed inside the LCD Monitor. u If the monitor has not - Acer AL1703 | AL1703 Service Guide - Page 18
MACHINE DISASSEMBLY AND ASSEMBLY 3.1 Disassembly Procedures Chapter 3 2 Picture Description Push the hooks and stand bottom away Remove Hinge Cover Loosen and remove 6 screws to remove Stand Assy Loose and remove 2 screws. Separate Bezel hooks to take Bezel and Rear Cover apart. Lift up Rear - Acer AL1703 | AL1703 Service Guide - Page 19
Remove FFC Loose and remove screw and remove Cover-FFC Loose and remove 2 screws Loose and remove 5 screws Remove the Cover of X-PCB Remove 4 pieces of Backlight wires. Loose and remove 4 screws Remove Power PCBA 19 - Acer AL1703 | AL1703 Service Guide - Page 20
Remove 2 pieces of FFC from AD PCBA Loose and remove 1 screw Remove AD PCBA Disassembly PCBA complete. Loose and remove 4 crews Lift up LCD module and remove bezel. Remove FFC. Separate both Audio Cable. 20 - Acer AL1703 | AL1703 Service Guide - Page 21
Loose and remove 3 screws. Take OSD PCBA apart 3.2 Assembly Procedures Place OSD PCBA. Fasten 3 screws Insert Audit Cable to connectors of OSD PCBA Bezel assembly complete. Insert FFC. 21 - Acer AL1703 | AL1703 Service Guide - Page 22
Place LCD module. Fasten 4 fixed screws Insert new AD PCBA Insert 2 pieces of FFC to AD PCBA . Insert new Power PCBA Fasten 4 fixed screws of Power PCBA Insert 4 pieces of Backlight wires Fasten 5 screws 22 - Acer AL1703 | AL1703 Service Guide - Page 23
Join the cover hooks of X-PCB and fasten the screw Fasten 2 screws Place Cover-FFC and fasten screw Insert FFC Attach the Tinfoil Place Rear Cover Join hooks of Rear Cover with Bezel Fasten 2 screws 23 - Acer AL1703 | AL1703 Service Guide - Page 24
Place Stand Assy. Fasten 6 screws Insert Stand Cover Have the hook latched 24 - Acer AL1703 | AL1703 Service Guide - Page 25
Troubleshooting 4.1 Abnormal Display Troubleshooting Chapter 4 2 25 - Acer AL1703 | AL1703 Service Guide - Page 26
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4.2 Abnormal (ON/OFF, LCD display, Keyboard ) Troubleshooting 27 - Acer AL1703 | AL1703 Service Guide - Page 28
4.3 Abnormal (BIOS, OSD, Other Display ) Troubleshooting 28 - Acer AL1703 | AL1703 Service Guide - Page 29
4.4 Audio Abnormal Troubleshooting 29 - Acer AL1703 | AL1703 Service Guide - Page 30
Connector Information 5.1 Function Block Diagram Chapter 5 2 Audio In DVI-D Digital Video D-sub Analog Video DC -19V Speaker Audio OSD Key Main DC/D DC-19V Inverter 3.3V LCD Signal Backlight 30 - Acer AL1703 | AL1703 Service Guide - Page 31
5.2 Connector Location 31 - Acer AL1703 | AL1703 Service Guide - Page 32
NC 10 Ground 11 No connection 12 DDC data 13 Horizontal sync (Composite sync) 14 Vertical sync 15 DDC clock 5.4 DC Connector DC Power Jack, d=3.0mm 5.5 Audio Connector (Optional) Phone Jack, d=3.5mm 5.6 Main Board Pin Assignment Introduction 5.6.1 CN-B Pin Assignment Pin No. Symbol INV_EN - Acer AL1703 | AL1703 Service Guide - Page 33
5.6.2 CN-A1 Pin Assignment Pin No. Symbol VCOM VCOM VCOM VCOM GND ESTH GND EB2P EB2N EB1P EB1N EB0P EB0N GND EG2P EG2N EG1P EG1N EG0P EG0N GND GMA10 GMA9 GMA8 GMA7 GMA6 VSA VSA VSA VSA GMA5 GMA4 GMA3 GMA2 GMA1 GND ECLKP ECLKN Description PANEL COMMOM VOLTAGE PANEL COMMOM VOLTAGE PANEL COMMOM - Acer AL1703 | AL1703 Service Guide - Page 34
GND ER2P ER2N ER1P ER1N ER0P ER0N GROUND EVEN PATH RED DATA BIT EVEN PATH RED DATA BIT EVEN PATH RED DATA BIT EVEN PATH RED DATA BIT EVEN PATH RED DATA BIT EVEN PATH RED DATA BIT 5.6.3 CN-A2 Pin Assignment Pin No. Symbol NC NC NC VGD VGD PANEL_VGL PANEL_VGL PANEL_VHL PANEL_VHL GVOFF XAO STV CKV - Acer AL1703 | AL1703 Service Guide - Page 35
PATH STAR PULSE GROUND DATA IC VOLTAGE DATA IC VOLTAGE DATA IC VOLTAGE Description GROUND GROUND GROUND AUDIO OUTPUT AUDIO OUTPUT AUDIO OUTPUT AUDIO OUTPUT POWER KEY ORANGE LED GREEN LED AUTO ADJUSTMENT INPUT SOURCE SELECTION UP KEY DOWN KEY MENU KEY 35 - Acer AL1703 | AL1703 Service Guide - Page 36
5.6.5 CN-E Pin Assignment Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol RIN GIN BIN GND GND RGN GGN BGN VGA_5V GND GND VGA_SDA VGA_HS VGA_VS VGA_SCL Description RED INPUT GREEN INPUT BLUE INPUT GROUND GROUND RED INPUT GROUND GREEN INPUT GROUND BLUE INPUT GROUND VGA INPUT 5V GROUND GROUND I2C - Acer AL1703 | AL1703 Service Guide - Page 37
Picture Partname Description Vendor Part No. Adapter ADAPTER 3.16A 60W 2719060199 3PIN UP060B1190-01B FUNCTION PCBA For A170E1BUTTON T,A170E1-H01-K BOARD 35A17K012 0 INVERTER BOARD DC/AC Inverter,TWS- 2714000012 444957,2560V(min)/5mA(typ e) Main Board AL1703 MAINBOARD 35A17S022 (FIRMWARE - Acer AL1703 | AL1703 Service Guide - Page 38
CABLE 18AWG,180cm,Black,JC 32F2818004 E MONITOR 30AWG,180cm,Black,JC 32F3018003 CABLE E Picture Part name Description STAND BASE ABS, Black Vendor Part No. 40A1792211 LCD FRONT BEZEL Bezel Assy LCD BACK Rear Assy COVER 40A1729245 40A1799909 LCD STAND Stand Hinge Assy, NECK SCREW - Acer AL1703 | AL1703 Service Guide - Page 39
MAINBOAR Cover_pcb_ad,D-Sub 41A1799107 D COVER Only FFC COVER Cover-FFC 41A1799102 39 - Acer AL1703 | AL1703 Service Guide - Page 40
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Schematic Diagram Main Board Chapter 7 2 41 - Acer AL1703 | AL1703 Service Guide - Page 42
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V19V VGH VGL VAA B6 onPANEL V19V AdjBACKLITE onBACKLITE VGH VGL VAA V5A DC/DC B7 onPANEL1 VCM_PWM GMA[1..10] V33D V25C VAA V5A V5A POWER VCM V33P C20 0603/22P/50V Y1 33 XIN XTAL14.31818 C21 0603/22P/50V 34 XOUT C22 0603/0.1u/253v 2 BYPASS AVSS_LPLL OPEN R116 - Acer AL1703 | AL1703 Service Guide - Page 44
5 4 3 2 1 D D 2,3,4,5,8 V5A C B V5A L18 0805/42 C108 U9 2101117STS 3 VI(5V) C109 VO(3.3V) VO(3.3V) 2 4 V33D1 V33D 1 TP V33D 1,3 C110 C111 (Digital VCC) 1 GND 0603/0.1u/25V 1206/22U/10V/Y5V 0603/0.1u/25V 1206/22U/10V/Y5V V33D C Q8 (Panel VCC) 2 3 V33P 6 L19 0805/42