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Related Manuals for Acer AL1917x
Summary of Contents for Acer AL1917x
- Page 1 Acer Service Manual Service Manual LCD Monitor Acer AL1917x...
- Page 2 Copyright 2005 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 AL1917 Service Manual...
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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 .......................... -
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: 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 Acer Service Manual with signal internally. TVS101, TVS102, TVS103 are ESD protector to prevent U104 from ESD. - Signal DDC_SCL (series clock) inputs via CN102#15, and then passes through ZD102 Zener for ESD protection, goes into EDID EEPROM IC U103 #6.
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Page 9: Inverter Circuit
Acer Service Manual 4. Inverter circuit 4.1 Low voltage to high voltage circuit 14VDC provides the power for IC501 through F501; 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... -
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 1918 LCD Monitor BRACKET FINGER *1 HINGE *1 ASSY, BASE STAND BASE*1 M4*18,Zn ROHS *3 RUBBER FOOT *4 GASKET*1 PLATE,BASE*1 T4*6,Zn, ROHS *2 ASSY STAND M4*6,Black Zn,NL ROHS *6 HINGE COVER*1 FRONT BEZEL *1... -
Page 12: Assembly Block
Acer Service Manual 3. Assembly Block PCBA INV.&DC-DC *1 M3*6,Zn ROHS PCBA I/F BOARD *1 PANEL INNOLUX CABLE 30 PIN FFC MT190EN02_V0 M3*6,Zn ROHS *1 BOLT,#4-40x11.8,Ni ROHS ASSY PANEL*1 M3*4,Zn ROHS *4 GASKET*1 CHASSIS *1 KEY PAD*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 Stereo source: Music or signal generator input... -
Page 14: Input Signal
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 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 15: 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 16: Display Check
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 17: Picture Check
Acer Service Manual Majo Defect Type Specification Size Count (N) Minor Black spots which appear Dot Shape(Particle、Scratch 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 18 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 ≥ 75 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”...
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Page 19: Audio Check
Acer Service Manual 5.4.4 EDID data: (For example) For Hannstar HSD190ME13 Panel AD 00 FD 56 4A 9D 24 BF EF 2A 00 2A 40 2D 11 0A 20 0A 20 For LPL LM190E03-TLB1/TLB4 Panel AD 00 6. AUDIO CHECK 6.1 Audio Sound Check... -
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 IC802, Check circuit if short rectifier voltage C805, T801 Check F801, F802, P801, D801 Check R801, Check pin3 of IC802... -
Page 21: Unstable Power
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 22: No Raster
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 23: Black Screen
Acer Service Manual 4. Black screen Black screen Check power supply:pin 1,2 of Power fail CN101 Check pin41 of Check Q113,Q114 U105(MCU) Check reset (pin 4) of Check U105 C150,D102,R137 Check crystal (pin 15,16) Check waveform of U105 X101,C144,C145 Check CCFL-... -
Page 24: Bad Screen
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 25: 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 the Check Panel-Enable of RTD_RSTOUT of Check R188 U105(pin39) is low U104 exists... -
Page 26: Attachment 1- Bill Of Material
Acer Service Manual Attachment 1- Bill of Material PCBA P+I ITEM PART NUMBER DESCRIPTION Q'TY LOCATION 412140002380R IC LTV817M-PR VDE (LITE-ON) IC801 P=10mm ROHS 1.1 412140001390R IC EL817M-B ROHS (EVERLIGHT 410500072270R XSTR AOP605 N&P-CH PDIP-8(AOS U501,U502 412000225280R IC TDA7496L AMPLIFIER(ST)ROHS... - Page 27 Acer Service Manual SCHTKY SRF1045CM 45V/10A 28.2 411090025040R ITO22OAB(MOSPEC)ROHS SCHTKY SRF10100C 29 411090009040R D803 100V/10A(MOSPEC)ITO-220 ROHS SCHTKY SRF8-10CT-LF ITO-220AB (FEC) 29.1 411090016020R ROHS 30 507200003800 HEATSINK,56x20xt10mm LE1904/05 31 509112306100R SCREW,P,CROSS,T.T-3*6,Zn 32 735100005900R ASSY,H/S TOP246Y, LE1X09 ROHS IC TOP246YN,TO-220-7C(POWER 33 412000379270R...
- Page 28 Acer Service Manual R505,R515,R517,R519,R521, 53 414916010550R RES SMD (0603) 1MΩ J,RT ROHS R529 54 414904010550R RES SMD (1206) 1MΩ J,RT ROHS R820,R821 55 414916120110R RES SMD (0603) 1.2KΩ F,RT R510,R512 56 414908120210R RES SMD (0805) 12K F RT ROHS R817 57 414916015350R RES SMD (0603) 15KΩ...
- Page 29 Acer Service Manual 96.1 411022003020R DIO 1N4148-LF 75V/0.15A AT (FEC) ROHS 97 411022020090R DIO P6KE200A 600W/100A,DO-15(PANJIT) ZD802 97.1 411022020020R DIO P6KE200A-LF 600W/100A DO-1 5(FRONTIER)ROHS 98 506140005700R LABEL,BARCODE,BLANK,33x7mm, ROHS,FOR PCB 99 432002200160R BEAD CORE BF30TA-3.5x9x0.8 AT B801 J504,J509,J701,J702,J801, 100 430405007590R JMPR 7.5mm D=0.6mm,AT ROHS...
- Page 30 Acer Service Manual C103,C104,C109,C110,C113, 12 419311040060R C SMD(0603) X7R 0.1uF/50V K C128,C132,C136,C137,C138, C139,C143 13 419341054670R C SMD(0805) Y5V 1uF/16V Z ROHS C112,C115 14 419302200560R C SMD(0603) NPO 22PF/50V J C127 15 419301200560R C SMD(0603) NPO 12PF/50V J C126 C117,C118,C119,C120,C121, 16 419314730060R C SMD (0603) X7R 0.047uF 50V,K...
- Page 31 Acer Service Manual 37 412000411140R IC RTD2023L LQFP48(REALTEK)ROHS U104 38 412000279480R IC AT24C04N-10SU-2.7 SOP8 4K(A U106 TMEL)ROHS 38.1 412000279280R IC M24C04-WMN6TP4K SOP8 (ST) 38.2 412000279990R IC CAT24WC04W-TE13 (CATALYST) 39 411020026210R DIO BAV99 350mW 70V SOT-23(PHI TVS101,TVS102,TVS103,TVS104 ROHS 39.1 411020026020R DIO BAV99-LF 350mW 70V SOT-23...
- Page 32 Acer Service Manual 414916010450R RES SMD (0603) 100KΩ J,RT R105 414916020250R RES SMD (0603) 2KΩ J,RT ROHS R127,R128 414916020350R RES SMD (0603) 20KΩ J,RT ROHS R104 414916033350R RES SMD (0603) 33KΩ J,RT ROHS R134 414916390010R RES SMD (0603) 390Ω F,RT ROHS...
- Page 33 490461500100R PCB,KEY PAD,LE1918 ROHS ITEM DESCRIPTION Q'TY LOCATION 1 506431000300R FILM,PE 500mmx900M ROHS 1.800 2 506380001000R TAPE,WRAPPING TYPE,ACER LOGO 50000x72mm, 1.560 3 506390210200R LABEL,CARTON(8ms), LE1918(EMEA/GC/PA)ROH 200.000 4 506440001200R LABEL,BLANK,130x100mm,ROHS LE1501/LE1701 200.000 5 506250005701R LBL,AGENCY(ENGLISH), LE1918(AL1917A) ROH 100.000 6 506040006200R CUSHION,EPS-L, LE1918 ROHS 100.000...
- Page 34 Acer Service Manual 17 453070800210R PWR CORD 6A/250V BLK 6FT VDE H05VV-F 3Gx 100.000 18 506431002000R FILM,PROTECTION,PRINTED(E),ROHS LE1918,( 100.000 19 7140838A0100R ASSY,PANEL(S),W/SPK,LE1918-AG0(AL1917) 100.000 19.1 631102090120R LCD PANEL 19" LM190E03-TLB1(LG.PHILIPS)R 100.000 19.2 631102090130R LCD PANEL 19" LM190E03-TLB4(LG.PHILIPS)R 0.000 19.3 502090101100R CHASSIS, LE1918 ROHS 100.000...
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Page 35: Attachment 2- Schematic
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Page 45: Attachment 3- Pcb Layout
Acer Service Manual Attachment 3- PCB Layout...