Download  Print this page

Acer AL1717 Service Manual

Hide thumbs

Advertisement

Acer
Service Manual
Service Manual
LCD Monitor Acer AL1717
- 0 -

Advertisement

loading

  Also See for Acer AL1717

  Related Manuals for Acer AL1717

  Summary of Contents for Acer AL1717

  • Page 1 Acer Service Manual Service Manual LCD Monitor Acer AL1717 - 0 -...
  • Page 2 Copyright 2006 InnoLux Tech. Corp. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of InnoLux Tech. Corp. Ltd. Acer AL1717 Service Manual...
  • Page 3: Table Of Contents

    Acer Service Manual Table of Contents CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ........................3 1. SAFETY PRECAUTIONS ................................3 2. PRODUCT SAFETY NOTICE..............................3 3. SERVICE NOTES..................................3 CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ..................... 4 CHAPTER 3- CIRCUIT THEORY ..............................5 2.
  • Page 4: Chapter 1- Precautions & Safety Notices

    Acer Service Manual Chapter 1- PRECAUTIONS & SAFETY NOTICES 1. SAFETY PRECAUTIONS This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user.
  • Page 5: Chapter 2- Service Tools & Equipment Required

    Acer Service Manual Chapter 2- SERVICE TOOLS & EQUIPMENT REQUIRED 1. SIGNAL GENERATOR 2. MULTIMETER 3. SCREW DRIVER 4. OSCILLOSCOPE 5. Soldering IRON 6. SOLDER 7. VGA Cable (15pins point to point) 8. DVI Cable(DVI-D 24+1 pin) 9. Color Analyzer 10.
  • Page 6: Chapter 3- Circuit Theory

    Acer Service Manual Chapter 3- CIRCUIT THEORY 1. Monitor Block Diagram The LCD Monitor contains an interface board, and inverter/power/Audio board, keypad board and flat panel. In Inverter/power/Audio board, power section supplies +14V & +5V for Inverter/Audio and Interface board used. The inverter section drives the backlight of panel and the DC-DC conversion. The Audio section drives speaker (2 x1W).
  • Page 7: Electronic Circuit Theory

    Acer Service Manual 3. Electronic Circuit Theory 3.1 Switching Mode Power Supply 3.1.1 AC Current Input Circuit P801 is a connector for connecting AC Power. F801 is a fuse to protect all the circuit. AC input voltage is from 90v to 264V. R820 and R821 joined between two inputting main circuit to prevent man from shock.
  • Page 8: Inverter Circuit

    Acer Service Manual TSUM56AL deals with signal internally. TVS101, TVS102, TVS103 are ESD protector to prevent U105 from ESD. - Signal DDC_SCL (series clock) inputs via CN103#15, and then passes through ZD101 Zener for ESD protection, goes into U105 #31.
  • Page 9 Acer Service Manual 14VDC provides the power for IC501; the control signals Brightness and ON/OFF come from I/F board. ON/OFF signal connect to pin8 of IC501 and makes IC501 enable. Brightness signal connect to pin7 of IC501 and regulates the panel brightness, R526, D515, R529, C505 make up a network of delaying time circuit and R523, R524 make up a divided voltage network, C504 is used to dump noise.
  • Page 10: Chapter 4- Disassembly & Assembly

    Acer Service Manual Chapter 4- Disassembly & Assembly 1. Exploded Diagram...
  • Page 11: Disassembly Block

    Acer Service Manual 2. Disassembly Block LE 1717 LCD Monitor BASE*1 RUBBER FOOT *4 GASKET*1 ASSY, BASE PLATE,BASE*1 SCREW,,CROSS,T4*6,Zn, *1 HINGE COVER*1 BRACKET FINGER *1 ASSY STAND HINGE *1 M4*6,Black Zn,NL ROHS *4 STAND M4*20,Zn ROHS *3 FRONT BEZEL *1...
  • Page 12: Assembly Block

    Acer Service Manual 3. Assembly Block PCBA INV.&DC-DC *1 SCREW,,CROSS,M3*6,Zn *3 SCREW,P,CROSS W/W-SPR,M3*6,Zn*1 PANEL INNOLUX PCBA I/F BOARD *1 CABLE 30 PIN FFC ASSY PANEL*1 SCREW,,CROSS,M3*6,Zn *1 CHASSIS *1 SCREW,,CROSS, M3*5,Zn *4 KEY PAD*1 BOLT,#4-40x11.8,Ni ROHS *2(DVI) HRN ASS'Y 8P BOLT,#4-40x11.8,Ni ROHS *2(VGA)
  • Page 13 Acer Service Manual Process To Access Factory Mode Power Off Press “AUTO"& "MENU"button at the same time Power On Release the “AUTO"& "MENU" button Press “MENU" Button < Press “ " Button Press “Menu" Button Enter the factory Mode...
  • Page 14: Chapter 5- Test And Adjustment

    Acer Service Manual Chapter 5- TEST AND ADJUSTMENT 1. GENERAL POINTS 1.1 Test Equipment or Tool 1.1.1 Test pattern generator: PC or video pattern generator (Chroma-2326/2160/2130) 1.1.2 Color analyzer: Chroma-7120 1.1.3 Power meter: AC Source Chroma-6408 1.1.4 Electrical safety tester: Chroma (Zentech) 9032A 1.1.5 Stereo source: Music or signal generator input...
  • Page 15: Burn-In (Aging) Pattern

    Acer Service Manual 1.6 Burn-in (Aging) Pattern 1.6.1 Burn-in patterns are: full Red, Green, Blue, White and Black 1.6.2 Stop burn-in pattern by providing with video signal from D-sub or DVI-D connector 1.6.3 Enter or exit burn-in mode by setting “burn-in” to be “on” or “off” in the factory mode 1.7 Warm Up...
  • Page 16: Function Check

    Acer Service Manual Blue connector thumb-operated jack screws Pin Assignment: SIGNAL PIN No. SIGNAL Red video input VGA +5V Green video input Blue video input Serial data line (SDA) Cable detect H. Sync / H+V Red video GND V. Sync...
  • Page 17: Vga Cable Detect Test

    Acer Service Manual 3.6 VGA Cable Detect Test If VGA cable of LCD monitor isn’t connected to video pattern generator or PC, “NO SIGNAL” should be shown on screen. 3.7 Hi-Pot test Test condition: a. high voltage 2.3KV(DC) b. leakage current 10mA c.
  • Page 18: Picture Check

    Acer Service Manual Majo Defect Type Specification Size Count (N) Minor Dot Shape(Particle、Scratch Black spots which appear when B/L operating and Bubbles in Display area or on The Polarizer) ● 0.15mm ≤ D ≤ 0. 5 mm N ≤ 3 Line Shape L ≤...
  • Page 19: Color Temperature Check

    Acer Service Manual 5.1.4 Set brightness and contrast to be maximum, apply pattern as Fig.3, it should be the following requirement: Min. luminance nine points (backlight ≥ Max. luminance nine points (backlight Fig. 3 5.2 Color Temperature Check 5.2.1 Test mode: 1280x1024 @ 60 Hz 5.2.2 Test pattern: pattern #41 of “WHITE”...
  • Page 20: Audio Check

    Acer Service Manual 5.4.4 EDID data: (For example) For InnoLux MT170EN01_ V7 Panel 6. AUDIO CHECK 6.1 Audio Sound Check 6.1.1.1. Apply audio source of test program, (1)voice ”LEFT” and “RIGHT” ;(2)500mVrms sine wave that sweep from 200Hz to 20 KHz, into audio input (light blue), it should be that L speaker sounds while “LEFT”...
  • Page 21: Chapter 6- Trouble Shooting

    Acer Service Manual Chapter 6- TROUBLE SHOOTING 1. No Power & LED Off No power &LED off Check primary Check IC802, Check circuit if short rectifier voltage C805, T801 Check F801, F802, P801, D801 Check R801, Check pin3 of IC802...
  • Page 22 Acer Service Manual 2. Unstable Power U n sta b le p o w e r C h e ck C h a n g e R 8 1 0 , C h e ck R 8 1 0 ,...
  • Page 23 Acer Service Manual 3. No raster N o ra s te r Y E S L E D G re e n ? Y E S B a c k lig h t c a n n o t b e tu rn e d o n...
  • Page 24 Acer Service Manual 4. Black screen Black screen Check power supply:pin 1,2 of Power fail CN101 Check FB102,FB103, Check power supply FB105,FB106 for U105 Check reset (pin84) of Check C144,R172 U105 Check crystal (pin 96,97) Check waveform of U105 X101,C153,C154...
  • Page 25 Acer Service Manual 5. Bad Screen B ad S creen L V D S C able W orkm anship R einsert C hange L V D S L V D S C able N G C able C heck C rystal:...
  • Page 26: White Screen

    Acer Service Manual 6. White screen White screen LVDS Cable Workmanship Reinsert Change LVDS cable NG LVDSCable Check VLCD Check LVDS Panel Fail is 5V signal Check Panel-Enable of U105 Fail U105(pin48) Check Q101,Q103,Q110, C108, C109...
  • Page 27: Attachment 1- Bill Of Material

    Acer Service Manual Attachment 1- Bill of Material PCBA P+I Item Component Component Description Quantity Installation Point 430637020020R WFR. 2P P=3.5mm 90°4100-D02 RoHS CN501,CN502,CN503,CN504, 410500072270R XSTR AOP605 N&P-CH PDIP-8(AOS RoHS 410500076270R XSTR AOP604 N&P-CH PDIP-8(AOS) RoHS 410500069290R XSTR AP4501GSD N&P-CH PDIP-8(A DVANCED P...
  • Page 28 Acer Service Manual 414908510110R RES SMD (0805) 5.1KΩ F,RT RoHS R810, 414916510210R RES SMD (0603) 51KΩ F,RT RoHS R811, 414908051450R RES SMD (0805) 510KΩ J,RT RoHS R803,R807,R824, 414908068950R RES SMD (0805) 6.8Ω J RT RoHS R812,R816, 414916010150R RES SMD (0603) 100Ω J,RT RoHS REV:A...
  • Page 29 Acer Service Manual 42043101046 CAP EC 100uF 16V M,105℃ ST 5x11(SK) PC C101,C102,C108, 42043220046 CAP EC 22uF 16V M,105℃ ST, 5x11,RoHS PC C130,C133,C142,C145,C105, 42043100026 CAP EC 10uF 25V M,105℃ ST 5x11 RoHS PC C111,C144, 43200801027 XTAL 14.31818MHz HC-49US DIP 16pF...
  • Page 30 PCB,KEY PAD, LE1718 Phant.item Item Component no. RevLev Object description Quantity 0010 506431000300R FILM,PE 500mmx900M ROHS 0.190 0020 506380001000R TAPE,WRAPPING TYPE,ACER LOGO 50000x72mm, 1.560 0030 506040007200R CUSHION,EPS-L, LE1718 ROHS 0040 506040007210R CUSHION,EPS-R, LE1718 ROHS 0050 506020009100R CARTON,ACER, LE1718 0060 506150004900R PALLET,L1060xW1060xH120mm,LE1922 1.250...
  • Page 31 Acer Service Manual ...3 0040 790571500000R PCBA,KEYPAD BOARD, LE1718 ROHS ...3 0050 631102071170R LCD PANEL 17" MT170EN01-V4-G3,AM17000054 ...3 0060 509146306100R SCREW,P,CROSS W/WAS,M3*6,Zn ROHS ...3 0070 509000000700R BOLT,#4-40x11.8,Ni FOR D-SUB/DVI CONN.RO ...3 0080 509146305300R SCREW,PW,CROSS,W/WAS,M3*5,NI ...3 0090 509112308100R SCREW,P,CROSS,T.T-3*8,Zn ROHS REV:A ...3...
  • Page 32: Attachment 2- Schematic

    Acer Service Manual Attachment 2- Schematic...
  • Page 33 Acer Service Manual...
  • Page 34 Acer Service Manual...
  • Page 35 Acer Service Manual...
  • Page 36 Acer Service Manual...
  • Page 37 Acer Service Manual...
  • Page 38 Acer Service Manual...
  • Page 39 Acer Service Manual...
  • Page 40 Acer Service Manual...
  • Page 41: Attachment 3- Pcb Layout

    Acer Service Manual Attachment 3- PCB Layout...