Acer AL1716W Service Manual Page 1

Table of ContentsImportant Safety Notice------------------------------------------------------------------------------------- 0101. Product Specificat

2.6.5 Chromaticity: The color chromaticity is measured bya photometer (CA-210) at 1440x900/60Hz mode andfull white square pattern with contrast/bright

2.7.4 Block DiagramTFT LCD ModuleBacklight Unit2.7.5 Pixel Format2.7.6 Interface Pin ConnectionBacklight UnitTFT LCD ModuleNote (1) Please connects NC

Note (2) Input Rush Current measurement condition2.8 Back-Light UnitThe back- light system is an edge-lighting type with 2CCFL. The characteristic of

3.1 Packing Exploded Diagram3. Exploded Diagram12Go to cover pageACER AL1716W

3.2 Product Exploded Diagram3. Exploded Diagram (continued)1147685181710915163241119121313Go to cover pageACER AL1716W

4.1 Power boardCheck outputvoltage +5V and +22V whether ifcorrect supplyIt is not power board problem.Check power switch whether if turn onOKNGTurn sw

4.2 Inverter circuit on power boardCheck C106 pin isgreater than 0.55V Brightness pin isan external PW M.It is not inverter board problem.Check pin2 o

4.3 No display of screen Screen is black color of LED is amber.(, )Does OS M display when you press‘MENU’ button?Proceed to ‘No OSM display’ sectionCh

4.4 Nothing display on screen (screen is black, color of LED is blue)Is backlight lit? Proceed to ‘Checking the backlight unit’ section.Does computer

4.5 Abnormal screen for VGA sourceCheck the R.G.B video signals fromcomputer input on P302 of video connectorFailu re Point:1. No R.G.B video signals

Product Anouncement:This product is certificated to meet RoHS Directive andLead-Free produced definition. Using approved criticalcomponents only is re

4.6 Abnormal OSM display adjust problemCheck the input TTL level w hether tochange when press the function keys on the P307pin3, p in4 (normal is high

4.7 Abnormal plug and play for VGAConfirm the host computer supplies DDC2mode.Fa ilu r e Poin t:The host computer is not communicating in DDC2 mode.Ch

4.8 Checking the control circuit of vertical sync pulse for VGACheck the vertical sync signal on P302pin14 TTL levelFa ilu r e Poin t:VGA video cables

4.9 Checking the resolution change IC movement1. Check +3V3 supplied on I306pin2, pin25, pin53, pin47, pin74,pin82, pin91, pin92, pin101. pin110,pin11

Model Name: ACER_AL1716WModel Number: 4793102913PDescription: T17ANHW-G1(99)~E91(C)_ACER_AL1716W BOARD ASSY'SCKT_ID Component Description

CAPACITORSCKT_ID Component Description PriC328 6371147056P40 CAP.MC_pF_47_50V_J_NPO_0603_SAMSUNG 52C329 6373410486P01 CAP.

CAPACITORSCKT_ID Component Description PriC602 6373210412P CAP. MC_uF_0.1_25V_K_X7R_SMD 0805C801 6328833419P CAP. X2_MPP_u

CABLES AND CONNECTORS AND PLUGSCKT_ID Component Description PriP306A 6712300067PC0 HARNESS_FFC_30P(1.0)_200mm_20696_P-TWOP

DIODESCKT_ID Component Description PriD810 6413060010P00 DIODE_SCHOTTKY_SBF1060CT_10A/60V_TO-220 AB_LITEON 51D811 6414240

RESISTORSCKT_ID Component Description PriR322 6252100056P RES. CHIP_R_OHM_100_1/10W_J_603R323 6252240156P00 RES.CHIP-R_KOH

1.1 Scope:This document defines the design and performancerequirements for the Liteon standard 17” wide flatpanel monitor. The display element shall b

TRANSISTORCKT_ID Component Description PriQ105 6428000010P50 FET_AOP609_8P_DIP_AOS 50Q106 6421000525P TRANSISTOR_NPN_KTC94

MICHANICAL PARTSCKT_ID Component Description Pri6FB1 7742807870P0A PUSH BUTTON_#6780#6790_ABS_UL94HB_ACER_ R20BUNW-M16FC1

6. Schematics and Layouts:_6. SCHEMATICS POWER BOARD1 ACER_LCD_AL1716W_BRION OFF-GNDON OFF-BRIGNDGNDGND 1-GND 1-GND 1-GNDGND GNDGNDGNDGND+22VGND 1-GND

6.2 ACER _ INTERFACE_TOP_LCD_AL1716W SCHEMATICS_6832175000P016 AUDIO.7 AUDIO.AUDIO EN_VOLUMEVDD2 POWER.2 POWER.BKLT ADJ_BKLT EN_PANELVCC EN_VCC5VVCC3V

_6. SCHEMATICS INTERFACE POWER3 ACER_LCD_AL1716W_PCB No.DSGSOT 252-CEBTO 263-Note VDD for the audio power:BACKLIGHT ADJ_BACKLIGHT EN_PANELVCC EN_BKLT

_6. INTERFACE BD_4 ACER_LCD_AL1716W SCHEMATICS_ VGA DDC INTERFACE&PCB No.6832175000P01DDC SDA VGA__VGA 5V_VGA 5V_VGA BLUE_VGA RED_VGA GREEN_VGA VS

1234567 89101112131234567 8910111213ABCDEFGABCDEFGDVI RX2_+DVI HP_DVI RX1_+DVI SDA_DVI SCL_DVI RX0_-DVI 5V_DVI 5V_DVI CONn_DDC WPn_DDC5V D_DVI SCL_DVI

_6. SCHEMATICS INTERFACE BD_6 ACER_LCD_AL1716W_ SCALER_GM5726HPIN 51 H J TAG port disable L J TAG port enable:- ,:- .PIN 119 H UART on GPO L UART on D

_6. SCHEMATICS INTERFACE BD_7 ACER_LCD_AL1716W_ KEY PANEL INTERFACE&USE FFC WIRE FOR LVDS INTERFACEADC1 IN_ADC2 IN_KEY POWER_ KEY MENU_ KEY DOWN_

_6. SCHEMATICS INTERFACE BD_AUDIO8 ACER_LCD_AL1716W_PCB No.COLOR IS GREEN03V 36V.~.AMP VOLUME_OUT R_-AMP STBY_OUT L_-OUT R_+OUT R_-AUDIO EN_OUT L_+OUT

1.3 Interface Connectors:1.3.1 The AC inlet connector shall have an IEC/CEE22type male power receptacle for connection tomains power. The power cord e

6.9 ACER_LCD_AL1716W LAYOUTS_POWER BOARD_POWER BOARD-BOTTOM SILKPOWER BOARD-TOP SILK1234567 89101112131234567 8910111213ABCDEFGABCDEFGPCB No.Go to cov

6.10 ACER_LCD_AL1716W LAYOUTS_INTERFACE BOARD_PCB No.1234567 89101112131234567 8910111213ABCDEFGABCDEFGGo to cover page40ACER AL1716W

7.1 Assembly Procedures7. Assembly and Disassembly ProceduresS1Take a Bracket Chassis Base on a protective cushion andstick a insulator on the specifi

7. Assembly and Disassembly Procedures (continued)Part NumberPart Name6814175010P14 LCD_17"W_HSD170MGW 1-A00(LTC) _HSD_1370g 1 -7742005280P0A SPO

7. Assembly and Disassembly Procedures (continued)S11Use a Phillips-head screwdrive r screwed the No.1~ 2 scr e ws.S12Use a Hex-head screwdriver screw

7. Assembly and Disassembly Procedures (continued)Part NumberPart Name7115240121P0A SCREW_M4*12_DOUBLE W ASHIER 4 Screw Size=M4x12; Torque=12~14KGF.CM

7. Assembly and Disassembly Procedures (continued)Part NumberPart Name7730303323P0A MANUAL ASSY_ACER_T17AN_AL1716W_EMEA_27L 1 -6716004833P Power cable

7. Assembly and Disassembly Procedures (continued)7.2 Disassembly ProceduresMove the returned LCD m onitor to a working table, thenremove cushion foam

7. Assembly and Disassembly Procedures (continued)Part Numbe r Part Nam e7115240121P0A SCREW _M4*12_DOUBLE WASHIER 4 Screw Size=M4x12; Torque=12~14KGF

7. Assembly and Disassembly Procedures (continued)S11Use both hand to remove the LCD panel m odule and put RearBezel aside.S12Use a Phillips-head scre

If the monitor sync processing circuits aredesigned around the 3.3 volt logic family, thenthe sync inputs must be 5 volt tolerant.1.4.5 Sync Signal Lo

7. Assembly and Disassembly Procedures (continued)S17Disconnect the FFC cable to the connector of panel.Use a P h illip s-h e ad s c r e wdriver u n s

1.5.8 OSD Control Factory Default Values: The OSDcontrols shall have the following factory defaultvalues:A. Brightness=100(range 0 – 100)B. Contrast=5

1.7 Controller Requirements:1.7.1 General Requirements: The monitor shallinclude a controller capable of converting theanalog RGB signal from a standa

2.1 General Information.2.2 Panel Timings:The controller included with the monitor shall translateall video timings from the CPU that meet the timingr

2.5.6 Smudges, Streaks and Smears: When viewingthe panel oriented so as to max. reflected light,there shall be no visible smudging, streaking,smearing