Acer AL2623W Service Manual
  1. Manuals
  2. Brands
  3. Acer Manuals
  4. Monitor
  5. AL2623W
  6. Service manual

Acer AL2623W Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Acer
Service Manual
Service Manual
LCD Monitor Acer AL2623W
- 0 -

Advertisement

Table of Contents
loading

Related Manuals for Acer AL2623W

Summary of Contents for Acer AL2623W

  • Page 1 Acer Service Manual Service Manual LCD Monitor Acer AL2623W - 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 AL2623 Service Manual...

  • Page 3: Table Of Contents

    Acer Service Manual Table of Contents CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ........................3 SAFETY PRECAUTIONS ..............................3 PRODUCT SAFETY NOTICE .............................. 3 SERVICE NOTES.................................. 3 CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ..................... 4 CHAPTER 3- CIRCUIT THEORY ...............................5 ...............................6...

  • 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. Color Analyzer 9. Myson412 ISP Board 10. EDID Board...

  • 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: D Iagram

    Acer Service Manual 2. Interface BOARD DIAGRAM...

  • Page 8: 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. SW801 is hard switch for control AC input.
  • Page 9 Acer Service Manual IC809 on, Q808 and Q812 on, Q809 off, so IC801 and IC802 shut down. Power system off. 4. Power Consumption Function Test 4.1 Test mode: 1920x1200 @ 60 Hz 4.2 Test pattern: pattern #41 of “WHITE” 4.3 Adjusting both brightness value to maximum, 4.4 Measure power consumption as the following...

  • Page 10: Chapter 4- Disassembly & Assembly

    Acer Service Manual Chapter 4- Disassembly & Assembly 1. Exploded Diagram...

  • Page 11: Assembly Block

    Acer Service Manual 2 Assembly Block I/F BOARD *1 Power board *1 BRACKET LEFT*2 CABLE 30 PIN *1 MYLAR,L2 Front Bezel assm *1 speaker*1 22xW150xT BRACKET,BACK,LP2610,Ro HRN ASS'Y 8P Keypad*1 0.5mm HS*2 Keypad cable*1 CHASSIS *1 SCREW,P,CROSS W/WAS,M3*6,Zn *5 CHASSIS,EMI LP2610*1...

  • Page 12: Disassembly Block

    Acer Service Manual 3 Disassembly Block LP2610 LCD Monitor stand Ass'y*1 SCREW,P,CROSS,M4*16,BLACK, NL ROHS*4 Back Cover*1 SCREW,B,CROSS,M4*6,BLK,NL( NYLOK) *4 Panel Ass'y*1 BRACKET LEFT*2 I/F BOARD *1 Front Bezel assm *1 Power board *1 BRACKET,BACK,LP2610,R CABLE 30 PIN *1 HRN ASS'Y 8P...

  • Page 13: 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 Auto shock fixture...

  • Page 14: Input Signal

    Acer Service Manual Firstly enter the factory mode, then ISP MODE ● ● Press ◄ & ► at the same time, and then press [POWER] for DC power on. 1.6 Burn-in (Aging) Pattern 1.6.1 Burn-in patterns are: full Green, Blue, White, Black and Red 1.6.2 It will enter burn-in mode (aging mode) on condition that Power on and in the factory mode Without...
  • Page 15 Acer Service Manual WXGA 1360x768@60Hz 1792x795 47.712 60.015 85.500 1440x900@60 1904x931 55.935 59.887 106.500 WXGA+ 1440x900@75 1936x942 70.635 75.000 136.750 UXGA 1600X1200@60Hz 2160x1250 75.000 60.000 162.000 WSXGA+ 1680x1050@60Hz 2240*1089 65.290 59.954 146.250 WUXGA 1920x1200@60Hz/R 2080x1235 74.083 60.000 154.000 2.1.3 Signal cable a.

  • Page 16: Function Check

    Acer Service Manual FUNCTION CHECK 3.1 OSD Function Test 3.1.1 Test mode: 1920x1200 @ 60 Hz 3.1.2 Test pattern: pattern #1 of crosshatch (GENERAL-1) 3.1.3 Check single key function and hot key function about key “Power”, “Menu”,” ►”, “◄ “, “Exit/Auto”, it should operate normally...

  • Page 17: Display Check

    Acer Service Manual 3.9 Bumping Test 3.9.1 Test mode: 1920x1200 @ 60 Hz; 3.9.2 Test pattern: pattern #1 of crosshatch (GENERAL-1) 3.9.3 To shock LCD monitor lightly at the center of rear cover and edges with 1~2kg/cm2 force for three times, no abnormal phenomenon is found on panel screen.

  • Page 18: Picture Check

    Acer Service Manual Majo Defect Type Specification Size Count (N) Minor Black spots which appear when B/L Dot Shape(Particle、Scratch and operating Bubbles in Display area or on The Polarizer) 0.15mm ≤ D ≤ 0. 5 mm N ≤ 3 ●...
  • Page 19 Acer Service Manual 5.2 Color Temperature Check 5.2.1 Test mode: 1920x1200@ 60 Hz 5.2.2 Test pattern: pattern #41 of “WHITE” 5.2.3 Test tool: Color Analyzer Chroma7120 5.2.4 Set brightness to be maximum and contrast to be 50%, measure color coordinate and luminance by...

  • Page 20: Chapter 6- Trouble Shooting

    Acer Service Manual Chapter 6- TROUBLE SHOOTING 1. No Power & LED Off No power & LED off Check primary Check IC805､ Check circuit rectifier voltage if short T803､Q805 Check F801､ P801､ D801､RT801 Check pin1 of Check Pin6 of Check R859､...
  • Page 21 Acer Service Manual 2. No backlight & LED on No backlight & LED on Check PFC DC Check IC801､ Check circuit output voltage if short T801､Q806 Check Q801､ C808､ZD801 Check pin1 of Check Pin6 of Check R835､ IC802 voltage if IC802 voltage Q804､...

  • Page 22: Attachment 3- Pcb Layout

    Acer Service Manual ATTACHMENT 1 - RECOMMENDED PART LIST Item Catalogue INL P/N Description Min Order Q'ty 790821300A01R PCBA,I/F BOARD,(EMEA)LP2610-A12 ROHS 790821400A00R PCBA,P/I BOARD,LP2610-A12 ROHS PCBA 790821500000R PCBA,KEYPAD BOARD,LP2610 ROHS 453070800210R PWR CORD 16A/250V BLK 6FT VDE,H05VV-F 3G 453030300120R CABLE,AUDIO 1P 6FT BLACK/GREEN CP03B06P0...
  • Page 23 VLCD DC ON : 698mA @ White VCC12 VLCD VCC3.3 VDDM VCC3.3 VDDP AVDD_DVI U101 DC OFF : 0mA FB102 60Ω FB103 60Ω VLCD FB102 DC ON : 28mA @ Dot ON/OFF DC OFF : 0mA AO4407 R103 AVDD_MPLL AVDD_PLL2 VCC3.3 AVDD_ADC VCC3.3...
  • Page 24 CN103 DZ11AA1-H5W6-4F DAT2- RX2- R113 R114 C114 0.047u/16V DAT2+ RX2+ R115 C115 0.047u/16V R116 GNDR SCL_DVI_I R117 R118 C116 0.047u/16V R119 SDA_DVI_I RX4- R120 C117 0.047u/16V GNDG RX4+ SCL_DVI R121 R122 C118 0.047u/16V R123 SDA_DVI R124 C119 0.047u/16V R125 GNDB R126 C120 0.047u/16V PC5V_VGA...
  • Page 25 VCC3.3 AVDD_DVI AVDD_ADC AVDD_DVI AVDD_MPLL VDDP VDDM AVDD_PLL AVDD_PLL2 VDDC PWM0 Dimmer RXO0- LVB0M RXO0+ DVI_R+ LVB0P RXO1- DVI_R- LVB1M RXO1+ DVI_G+ LVB1P RXO2- DVI_G- LVB2M RXO2+ DVI_B+ LVB2P DVI_B- RXOC- CLK+ DVI_CK+ LVBCKM RXOC+ CLK- DVI_CK- LVBCKP RXO3- REXT LVB3M RXO3+ SDA_DVI_I...
  • Page 26 VDDQ VDDQ1 MDATA[0..15] MDATA[16..31] U112 U113 SDRAM-7 16M SDRAM-7 16M/NC MDATA0 MDATA15 MDATA16 MDATA31 DQ15 DQ15 MDATA1 MDATA14 MDATA17 MDATA30 DQ14 DQ14 VSSQ VSSQ VSSQ VSSQ MDATA2 MDATA13 MDATA18 MDATA29 DQ13 DQ13 MDATA3 MDATA12 MDATA19 MDATA28 DQ12 DQ12 VDDQ VDDQ VDDQ VDDQ MDATA4...
  • Page 27 CN106 2x4P 2.0mm VCC3.3 FB108 RP102 RP101 RP103 RP104 RP105 RP106 RP107 DOWN EXIT 60Ω 10Kx4 10Kx4 10Kx4 10Kx4 10Kx4 10Kx4 10Kx4 VCPU MENU VCC3.3 POWER LED_G_C LED_A_C U108 MTV412MV From Keypad SCL_DVI_I HSCL2/P7.5 SDA_DVI_I HSDA2/P7.6 EXIT R166 DA0/P5.0 R167 RESET DA1/P5.1 DOWN...
  • Page 28 R828 C816 TLV431ALP 20K 1% C815 C818 2SC1815 47u/25V 47u/25V LTV817M IC802 ZD808 NCP1377 P801 4700p/400V InnoLux AL2623W 0.01/50V C866 AC_SKT C820 R832 1000p/50V Document Number : SIZE : APPRO BY : R831 C819 C817 68p/50V LP2610-DR4-02 TITLE : CHECK BY :...
  • Page 29 T803 SPW-076 SRF1040CM D815 0R01 1W L805 R874 VIN-DC R854 R853 100K 2W F802 5uH/4A 68R 1/2W 4A/125V 47p/1KV C865 R867 C842 C844 C845 C834 3300p/500V C843 1000u/10V 1000u/10V R859 4700p/400V 1000u/10V D811 MUR1100ERL Q805 0R39 2W SPA06N80C3 R855 R860 C835 1000p/500V R868...
  • Page 30 R904 47u/25V R907 12P 2.0mm CN802 +12V Brightness ON/OFF Power_STBY VOLUME VOLUME InnoLux AL2623W Audio_ENABLE To IF BD Document Number : SIZE : APPRO BY : LP2610-DR4-02 TITLE : CHECK BY : Standby power 2006-09-12 DATE : DRAWN BY :...
  • Page 31 1u/16V Q701 Rin- Lout+ 1u/16V PMBT3904 Lout- 4P R/A 2.0mm VOLUME SHUTDOWN Audio_ENABLE InnoLux LE26XX (AL2623W) Document Number : SIZE : APPRO BY : LP2610-DR4-02 TITLE : CHECK BY : Acer AL2623W DATE : 2006-09-12 DRAWN BY : Rev :...

Table of Contents