Acer PF-801 Informações Técnicas Página 1

1 Acer AL1702W Service Guide

10

11 LCD Panel Specification General Specifications Mechanical Information

12Optical Specifications

13 Supported Timing

14Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and keypad board which house the flat panel control logic, brightn

15 Main Board Diagram LCD Interface Scalar: RTD2025L QFN-48 (Include: ADC, OSD etc) MCU RTD2120L-LF OS

16Software Flow Chart N Y 12NY5Y N 10Y N12Y N 7YN64389141113YN15YN16 1719Y N 18

17 Remark:1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5)

18Main Board Layout Symbol Description Symbol Description U201 AP1117E33LA X401 24MHZ/30PF/49US U401 IC MCU RTD2120L-LF REALTEK CN201 WAFER 9

19 Adjusting the viewing angle

2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar.-23-2007 Initial Release T77HRDNBGWAFN

20Rear Bezel Item Description Item Description 1. Power Cable 2. Signal Cable

21 Operating Instructions Press the power button to turn the monitor on or off. The other contro

22Front Panel Control

23 Adjusting the Picture How to Adjust a Setting 1. Press the MENU-button to activate the OSD window. 2. Press <or >to select the desired

24b. The Description For Function Control LEDS

25

26OSD Message a. Outline b. The Description For OSD Message Item Description Auto Config Please Wait When Analog signal input, if User Press Hot-

27 Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode Plug And Play Plug

28Machine Disassembly This chapter contains step-by-step procedures on how to disassemble t

29 Fig 3 2. Remove the screws to remove the back cover. (Fig 4) Fig 4

3 Copyright Copyright © 2003 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, Transmitted, transcribed, sto

303. Remove the screws to remove the shield . (Fig 5) Fig 5 4. Remove the bezel. (Fig 6) Fig 6

31 5. Remove the screws to remove the panel. (Fig 7-9) Fig 7 Fig 8 Fig 9

326. Remove the screw to remove the main board. (Fig 10) Fig 10 7. Remove the screws to remove the power board. ( Fig 11-12 ) Fig 11

33 Fig 12

34Troubleshooting This chapter provides troubleshooting information for the AL1702W:

35 2. No Picture No picture Measure U201 PIN2=3.3V Replace U201 Check if X401oscillate waveforms are normal Replace X4

363. Panel Power Circuit 4. Keypad Board Check CN601 PIN 23-24 should have response from 0V to 5V When we

37 5. No Backlight Check C802 (+) =12V Change FB801,Check Q805 Q808, Q810 Check ON/OFF signal Check Interface board Check IC8

38Connector Information The following figure shows the connector locations on the monitor:

39 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in g

4Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides y

40Exploded Diagram (Model: AL1702W)

41 Part List Above picture show the description of the following component. Item Picture Description 1 Base 2 shield 3 Key board 4 Pan

42 5 Power Board 6 Main Board

43 Schematic Diagram Main Board FB201120　BKLT-VBRIC2010.1uF/

44RTD_R- {5}R315 100R 1/16WZD305UDZS5.6B1 2C3150.1uF/16VDDC1_SCL VGA_CONVGA_B+VGA_R+C3085pF/50VVGA_G+C30222pFVGA_R+VGA_G+DSUB_HC3105pF/50VDSUB_V {4}

45 MCU_VCCKEY1 {2}DDC1_SCL{3}DSUB_V12006-11/7 R423-R424change from 100R to1KQ401PMBS3904BAT54CR4033.9K 1/16W　RTD_SD3/SDI {5}R43610K 1/16W2007-1/18

46RTD_V{3}DGNDBJT_BRXEC-LVDS_O9RXE0+RTD_G-C5010.1uF/16VLVDS_E0DGNDRXO1-RXO2+RXO3+RTD_R+LVDS_E2LVDS_O4RXE0-RTD_B+{3}RXE3-LVDS_E1R1.8DVCCLVDS_E5LVDS_O

47 RXOC-RXEC-CN601CONN246810121416182022241357911131517192123LVDS_E2PANEL_VCCPPWR_ON#LVDS_E4RXE3-RXE0+C6020.01uF/25VRXE2-R6054K7 1/16W3RXO2-R60447K

48Power board R9095.1 1/4W　D901FR103+C9401000uF/16V!ZD901NC1 2!!D903LL4148WPC909470pF/25VR962 100 1/4W　ZD902RLZ13BR924150R 1/8WR91010 1/4W　L9014.

49 Q804PMBS3906123ON/OFFR830NCR8141K 1/10W 1%R81710K 1/10WR804100 1/8W　D813LL4148WPQ807NC穝糤Q806PMBS3904R8181K 1/10W 1%R8230 1/10W　C8250.1uF/25VC81

5 Precautions z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z

6Table Of Contents Chapter 1 Monitor Features ………………………………………… 7 Introduction ……………………………………… 7 Electrical Requirements ………………………………

7 Monitor Features Introduction Scope This specification defines the requirements for th

8Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient

9 LCD Monitor General Specification