Acer S190WL Service Manual

ACER_LCD_S190WL _SM20110519V0 

81.3.2 Input Signals: Video Input Signals Range (Analog RGB Signal) No. Symbol Item M in Max Unit 1 Fh Horizontal Frequency 31 80 kHz 2 Fv Ver tic

91.3.3.2 Power Indicator LED: The monitor shall have LED indicators located on the front of the monitor. Table 1 is the LED color for the power ind

10B) Menu Operation: Pressing the MENU button brings up the first level menu. C) OSD Function: Acer e-Color Management Contrast, Brightness, AC

111.3.4.2 Factory Assigned Display Modes: 1.4 Flat Panel: 1.4.1 General Requirements: The panel shall be a FULL HD resolution 19” diagonal TFT-

121.4.3.1 General Requirements: Parameter Symbol ConditionValues Unit Min. Typ. Max. LED : LED String Current Is - 60 65 mA LED String Volta

13Surface luminance is the luminance value at center 1 point(1) across the LCD surface 50cm from the surface with all pixels displaying white. For m

141.5.3 Response time: Response time is the time required for the display to transition from black to white (Decay Time, TrD) and from white to

151.5.5 Chromaticity:The x and y co-ordinates for Reddish, Bluish and User preset mode shall be as below: Reddish Preset (6500K): x=0.313 ± 0.020

162. OSD Menu 2.1 Key Definition: 1. Power Switch To turn ON or OFF the power. 2.Power LED Lights up to indicate the power is turned ON. 3.Empoweri

17Picture OSD Setting Information d. It

Contents Table of Contents Important Safety Notice ...

182.3.2 Key operation: Key define: 

19 2.4 Acer eColor management: a. Display Acer eColor Management OSD when user press “e” button at Function menu or trigger this function in OSD

203. Exploded Diagram 3.1 Product Exploded Diagram: 

21Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello

223.2 Packing Exploded Diagram: ITEM DESCRIPTION QT'S123456789101112131415CARTONEPS-1EPS-2EPE BAG FOR MONITROTHEAR OF MONITORPE BAG FOR BASEB

234. Assembly and Disassembly Procedures 4.1 Assembly Procedures: Prepare a main board, an I/O Bracket and a Mylar. Assemble every part as the below

24 Connect FFC cable and fix Mainboard: ① Connect panel pcb and main board with FFC cable ② Paste the tape. ③ Follow the two marks to fix the ma

25Assemble rear cover and lock the two screws. Prepare a Stand, a Hinge and a Base. ① Assemble the stand and hinge, lock the two screws ② Assembl

264.2 Disassembly procedures: Put the monitor on a protective cushion. ① Press the release button follow arrowhead as the below picture to remo

27 Disconnect two FFC cables and Key board cable as the below picture: Separate the main board and I/O Bracket. ① Turn over the main boar

1Important Safety Notice Product Announcement: This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approve

28Remove the panel. Separate the key board and the bezel. S7 S8

295. Troubleshooting 1. No Power Check Power “On/Off” is “On”? Replace main board and check connections Check the LED indicate is OK? Check the AC

302. No Video (Power LED Blue) No Video (Power LED Blue) Press the power button is OK? Check the LVDS/FFC cable or panel Re-plug the cable NGOK OK

313. DIM OK The end OK The end OK The end DIM (image overlap, focus or flicker) Reset in factory mode Set to the optimal frequency, select the reco

324. Color is not optimal NG Color is not optimalMiss color Color shift Replace the signal cablePull out the signal cable and check the screen col

6.1331 Te s t E n v irHardware- USB cab- VGA cab- ISP Boar- PC - Monitor - ISP tool: - New F/W ISP ronment Pree and Softwable ble rd: 715G

34 New F/W 6.2 Connection: 6.3 ISP Programming Procedures: S1. These three files must be put in one folder as the below picture.

35S2. Double-click to run the ISP tool. S3. Set the parameters in “Config” window. Open the configration window. Speed less than 39. Port Type:US

36S6. Load the F/W as the below picture. S8. Set the restore address to save HDCP for DVI or HDMI. Deferent monitor has deferent address and space

376.4 Check the firmware version. S1. Connect VGA source to monitor and turn it on. S2. Pressing “e” and power on, when the screen lights, release t

21. Product Specification 1.1 Scope: LCD BM190WX2-TJA1 LM190WX2-TJA1 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitt

386.5 Q&A S1. If appear Enter ISP Fail as the below left picture. Check the cables and ISP board whether are connected fluently. If not ok, AC o

397. Writing EDID Process 7.1 Test Environment Preparation: Hardware and Software Required: - LPT cable(male to male) - VGA cable -12V DC adapter

LPT port d Pdriver EDIDPC D  ISP tool: TP M

417.2 Connection: 7.3 Writing VGA and DVI Process: S1.Double-click to install it. And restart PC after installation. S2. Prepare the EDID written.

42S5. Double-click the icon to open the tool. S6. Check the “Analog+DVI” and click “Loadfile” to set the parameters. Click “Analog”and“Digital”,

43S8. Load EDID successful. S9. Check the Only connect VGA” and “Write SN”, and type in the 22 digit S/N which must be the same as S/N in

447.4 Check the S/N. S1. Press “MENU” key —“”— “Information”—“SN” in user mode. 7.5 Q&A S1. If can’t write! You could try to res

458. FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AcerV183HV-V193

46 Panel 750GBT190W2A11N000 LK.19008.039 Bezel A34G2642AEMA1B0130 60.LUF0B.001 I/O Bracket A15G1677201 N/A Main board CBPCBAWABQJ 55.LUF0B.

47 Key board KEPCBQJ1 55.LUF0B.002 FFC(MAIN BOARD TO BOARD ASS’Y)F95G176J-50114 50.LUF0B.003 FFC(MAIN BOARD TO BACKLIGHT) F95G176J-10115 50.LUF0

3Optical Characteristics: 

489. Schematics and Layouts 9.1 Schematics Main Board 715G4734M01000004I (DVI only for s190wl BD) BIN0-BIN0GIN0U101FM24C02AA01A12A23GND4SDA5SCL

49 R434 NC/0R05 OH MR442NC/2K2 1/ 16W 5%WPQ401NC /2N3906S-RTK/PSR441NC/0R05 OHMVCC3.3+5VVCC3.3+5VP23P26P25P24P22P21P27DDCSCL24DDCSDA24DDCSDA13DDCS

50 FB707120R/3000mA1 2LV0-R736 120 OHM +-1% 1/16WLV0+C737NCVLCD 7P[0..27]5Q706MMBT2907AKR785 NCLV5-V_SLV4+LV4-LV5+CLK2LV3+LV3-C7524.7uF 25VICLK4P23F

51 R71810K +-1% 1/10WD703SR3412D704SR3412CN702NC/JACK321U704NC/LSP2159BD 18ADVIN3VOUT2GND1R714 53.6KOH M +-1% 1/10WC712100pF 50VVCC 3.3C71922pF 5

52Key Board 715G4982K0D000003S R0031K 1/10W 5%ZD 001 MLVS0603M041 2LBADC2POWER_KeyZD004NC12ZD003NC12VOL-AUT OZD005NC12VOL+ZD006NC12ZD007NC12ZD 008N

539.2 Layouts Main Board 715G4954M0D000004F

54

55Key Board 715G4982K0D000003M 

41.2 General Requirements: 1.2.1 Test Condition: All tests shall be performed under the following conditions, unless otherwise specified. Warm up

5The LCD monitor will contain a main board and a key board which house the flat panel control logic, brightness control logic and DDC. The adapter w

61.3.1 Interface Connectors: 1.3.1.1 Power Adaptor and Connector: The AC inlet connector shall be an IEC 320-C13 male power receptacle for connectio

7C. LED backlight Connector Connector: CN803 D. Key Board Connector Connector: CN401 E. Flat Panel Connector Connector: CN407 Pin Sig