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 BV193HQ Service Manual...
Acer Acer –LCD-BV193HQ Important Safety Notice 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.
1. General: Acer BV193HQ is designed with LVDS interface and dual (analog and digital signal) input, it featured with embedded universal AC power supplies and audio input. It’s a green product and meets all ROHS standard. The power button and display control buttons are on the front of the monitor.
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Acer Acer –LCD-BV193HQ Protection See Table-1 Power management See Table-2 Note2. Before each test, the buck capacitor need to be discharged. Before each test, it must be 10 minutes at least after the latest test. Note4. ested by DC loading side parallel with a 47uF/EC and 0.1uF/Ceramic , Capacitors and measured band-width with DC-20MHz, the sine wave signal that the frequency is 1K Hz input when testing the ripple for the 5V of audio.
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Acer Acer –LCD-BV193HQ LCD Module M185XW01-V0 ≥250 cd/m Set brightness control and also contrast control at maximum, to measure the screen center, the light output shall ≥ BL cd/m (as panel spec) 3.4 White balance Chromaticity Coordinate Mode Cool 9300K 0.283 ±...
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Acer Acer –LCD-BV193HQ B193HQ DVI EDID table V193HQ VGA EDID table V193HQ DVI EDID table...
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Acer Acer –LCD-BV193HQ 4.5 Audio signal Items Specification ≧ 10K ohm Input impedance 200Hz – 20kHz Frequency response range ≧ 40 dB Signal to noise ratio ≧ 1.0 W + 1.0 W ( 10%THD ) Output power 5. Function Specifications All the tests to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted.
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“ACER e Color Management” and “User” to instead “Contrast” and “Brightness” separately. When press “ACER e Color Management” to show “e Color OSD”, and press “User” to show OSD interface before. The translations of “ACER e [MENU] Color Management” and “User” are always English.
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Acer Acer –LCD-BV193HQ Text mode Standard mode Graphics mode Movie mode Focus 0 ~ 100 Depend on each timing Image Clock 50 ○ 0 ~ 100 H. Position 0 ~ 100 Position V. Position 0 ~ 100 Depend on each timing...
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Acer Acer –LCD-BV193HQ Set In-System Programming Enable B. ISP OFF Set In-System Programming Enable C. Load File Load Hex File to Buffer D. Erase Erase MCU Fash Rom E. Program Write Buffer Data to MCU Flash Rom F. Auto ISP ON→Erase→Promgram→ISP OFF...
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Acer Acer –LCD-BV193HQ How to Setting Connect to Novatek ISP Board by USB, Select “NVT EasyUSB”. USB IIC Speed Limit, Suggestion : Select “Low Speed”. After Setting, Select “Comfirm Change” to confirm your change. How to Program File to MCU Flash Rom A.
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Acer Acer –LCD-BV193HQ C. Step 3. Erase MCU Fash Rom Select “Erase”, Erase Flash,Avoid Conflict D. Step 4. Write Buffer Data to MCU Flash Rom Select “Program”, Program Buffer Data to Flash E. Step 5. Set In-System Programming Disable Disable ISP, Start MCU...
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Acer Acer –LCD-BV193HQ F. Auto Mode Step2 ~ Step5 = “Auto” After Step 1,we can select “Auto” directly,to run Program File to MCU Flash Rom 5.5, BV193HQ EDID SOP 1、 Software a.port95nt.exe b.Edidtool.exe c.BV193HQ model 2、Hardware a.PC(winXP or win2000)1PCS; b.Tool(EDID Card、VGA cable & DVI cable)
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Acer Acer –LCD-BV193HQ First set up Port95nt.exe 4 . Click next button continually then can finish setting.
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Acer Acer –LCD-BV193HQ 5. EDID Tool Set up A : USB interface provide +5V DC power(No Power is ok ) B : Connect DDC Card and PC with collateral interface ; C :VGA、DVI use different cable to link DDC and PC 6.
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Acer Acer –LCD-BV193HQ 7. Writing EDID process : System time CheckSum Model name BV193HQ Model name BV193HQ week Result State information...
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Acer Acer –LCD-BV193HQ 7.1 Choose File menu in main menu ,choose Auto Write button,click S/N blank . BV193H 7.2 Cloose the Model in main menu, and the password is 1234. BV193HQ 7.3.Choose the model, such as Acer,...
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Acer Acer –LCD-BV193HQ 7.4 Input S/N in the Blank, Eg:ETL7777777777777777777,the program can write directly BV193HQ 7.5 The program can CHECK VGA&DVI by itself after writing EDID...
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Acer Acer –LCD-BV193HQ BV193HQ BV193HQ BV193HQ 7.6 If write successfully , you can see PASS in the right. BV193HQ BV193H...
Acer Acer –LCD-BV193HQ 04 Troubleshooting 4.1 No Power & LED Off No power Check primary Check Check IC802, circuit if rectifier voltage C805, T801, short Check F801, P801, RT801, D801 Check pin2 of CheckC815,D806, IC802 voltage about 16V Check pin1 of IC802...
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Acer Acer –LCD-BV193HQ 4.2 Unstable Power Unstable power Check sampling Check R811, Circuit R818, R810, R811, R818, R810, R825, Check the C Check the R Change IC803 pin voltage of pin voltage of IC803 if 3V IC80 about Check Check pin2...
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Acer Acer –LCD-BV193HQ 4.3 DC output voltage is unstable Output voltage unstable Check ZD801, Check Vbe of Checkcircu D803, D805 Q801below 0.3V it if Check Q801, Q802 Check R832,, IC801, Check Check Pin R of IC803 voltage reference about 2.5V Check R822, R823.R825...
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Acer Acer –LCD-BV193HQ 4.4 No Raster No raster? LED Blue? Backlight can’t be turned on. Check power Is there 16Vdc supply voltage on pin9 of IC501? Is there high-level Check I/F Is Ok R510? voltage on pin8 of board IC501?
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Acer Acer –LCD-BV193HQ 4.5 Black Screen...
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Acer Acer –LCD-BV193HQ 4.6. White screen...
Acer Acer –LCD-BV193HQ 05 Spare parts List O E M P /N D e s c r ip tio n M O Q 7 9 2 1 9 1 3 0 0 7 1 0 R P C B A ,I/F B O A R D (E M E A ,W /S P K ),L E 1 8 L 5 -7 1 2 R O...
Acer Acer –LCD-BV193HQ 7.0 Assembly and Disassembly The tool of Assembly and disassembly : 1) Electrostatic gloves 2) Electric screwdriver: the lengthe of screwdriver top is 6±0.5cm and 15±0.5cm ; the diameter of screwdriver top is Φ5*H5mm Description Sequence Item...
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Acer Acer –LCD-BV193HQ Assembly and Disassembly (continue) 1.Reverse the panel by 180 degree,put the surface of panel upsides and insert front bezel in the panel. 2.Reverse the panel by 180 degree using both hands,put the surface of panel downsides and make sure FFC interface...
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Acer Acer –LCD-BV193HQ Assembly and Disassembly (continue) (1).Insert FFC wire into its relevant interface of mainboard properly like PCBA,I/F attached picture1. BOARD(EMEA, mainboar (2).Insert the short keypad into its 792191300710R W/SPK),LE18L5 relevant interface like picture1. -712 RO (2).Put the fixed mainboard in the right position.
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Acer Acer –LCD-BV193HQ Assembly and Disassembly (continue) Twist Fix 5 pcs of screws separately on the poweboard and mainboard like the PCBA attached Picture1 screw (1). Handle hexagonal screws and electric opener Twist (2). Twist screw in the interface like the Hexagonal attached Picture1.
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Acer Acer –LCD-BV193HQ Assembly and Disassembly (continue) 1)Fix chassis on the back of panel and ASSY,CHASSIS front bezel 701000012103R ,AUO,W/DVI Fix chassis 2)Put lamp wire and FFC wire in order as AUDIO ,LE18L5 picture 1.Tear off the adhensive tape of FFC wire;...
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Acer Acer –LCD-BV193HQ Assembly and Disassembly (continue) Assemble Put 2pcs speaker into the chassis of right and left as picture Speaker ASSY,BACKCO Fix back V,AUO,BLA,W/ Check if back cover is fixed properly 714050019803R DVI AUD cover LE18L5 Assemble Put the stand into the relevant position...
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Acer Acer –LCD-BV193HQ Assembly and Disassembly (continue) Use 4pcs screw fix stand on the back of Fix stand assemble like attached Picture (1)Release monitor to the packing line (2)Put monitor into carton like the Packing attached picture...