AOC E941SA, E941VA service manual Panel Feature, General Specifications Electrical Absolute Ratings

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Service Manual

AOCe941Series

4. Panel Feature

The Panel-TPM190A1-MWW3 is a 19 inch wide TFT-LCD module with LED Backlght unit and a 30-pin 2ch –LVDS interface . This module supports 1400×900 WXGA mode and displays up to 16.7 millions colors.The converter module for the Backlight Unit is not built in.

4.1 General Specifications

4.2	Electrical Absolute Ratings
	Item	Symbol	Min	Typ	Max	Unit
	Power Supply Voltage	Vcc	-0.3	5	+6	V
	LED DC forward current	If	---	25	30	mA
	LEDamp Current	IL	2.0		8	mArms
4.3	Lamp Frequency	FL	40		80	kHz
4.3	Electrical Characteristics

a) TFT LCD module

b) Backlight unit (LED matrix is 12S8P)

PLED=ILED × VLED

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Contents LCD 显示器维修手册 AOC e941VA /e941SA /e941SRevision List Contents TTL LCD SpecificationsProduct Features USB HUBSxga Factory preset modesXGA WxgaControl Buttons Operation instructionDCR OSD User mode adjustment OSD Lock FunctionInterface description VGA 15pin ConnectorDVI Connector +5VDCUSB+ Audio in port General Specifications Electrical Absolute Ratings Panel FeatureElectrical Characteristics AOCe941Series LED Connector Optical SpecificationsLCD Block Diagram Block DiagramMainBoard Block Diagram 1e941VA---715G3737 IC-PWM MOS 2e941SA---715G3225EMI SETSoftware Flow Chart Software Flow ChartCircuit Schematic Main Board 1---715G3737-M01Detvga DVI-input/DDC Power part---5V/3.3V/1.8V Scarlar---Flash/key Output---LVDS connector Main Board 2---715G3225-1-2 Bladj BlonR101 TO252 AOCe941Series VSC Power Board 715G2892-P02---adapter 12V/5VConverter Board----715G3918-P02 Audio part 715G2892 P02 PhonejackKey Board 715G4007-K01 Explore Views AOCe941Series AOCe941Series PCB Layout MainBoard 1- 715G3737-M01AOCe941series Main Board 2---715G3225-1-2 AOCe941series PowerBoard 715G2892-P02 KeyBoard ---715G4007 Check flow chart For the no power Maintenance Trouble treatmentTrouble Shooting Main Board---No Power Maintainability RequirementCheck flow chart For the no signalCheck flow chart No Backlight of panel Key Board---OSD no working Writing DDC program step AOCe941series AOCe941series BOM List Model：e941VA--T995NTNBWVK2PNJChoke by LI TA Screw AD91603YY1SMTJ Power Board for SMTChoke Coil AC SocketRST Chipr 1KOHM +-1% 1/10W Yageo IC FAN6752MY SOP-8RST Chipr MAX 0R05 1/10W Fenghua RST Chipr 10KOHM +-1% 1/10W YageoIC AS431AZTR-E1 TO-92 AD91603YY1AIJ Power Board for AIEyelet TRA KTD1028 KECLNPCA9361XYY1J Convertor Board Jumper WireRectifier Diode FR107 PIN Header 2.54MM 2PRST Chip 100K 1/10W 5% Tzai Yuan RST Chip 1K 1/10W 5% Tzai YuanRST Chipr 10K OHM +-5% 1/10W Fenghua RST Chipr 1 OHM +-5% 1/10W YageoWafer Connector 9PConn 6PIN RST Mofr 4.7 OHM +-5% 2WS FutabaRST Chipr 100 OHM +-5% 1/16W Fenghua RST Chipr 10 OHM +-5% 1/16W FenghuaRST Chip 10R 1/16W 5% Tzai Yuan RST Chip 100R 1/16W 5% Tzai YuanRST Chipr 10KOHM +-5% 1/16W Fenghua RST Chipr 1KOHM +-5% 1/16W FenghuaRST Chip 1K 1/16W 5% Tzai Yuan RST Chip 10K 1/16W 5% Tzai YuanRST Chip 470R 1/16W 5% Tzai Yuan Tzai YuanRST Chipr 470 OHM 5% 1/16W Fenghua RST Chipr 4.7KOHM +-5% 1/16W FenghuaAOCe941series CAP Chip 4U7 10V X7R Chip BeadRLZ5.6B Dome Switch 5 PCS SMTKEPCAJA9Diode LBAV70LT1G SOT-23 LRC RLZ 5.6B LldsModel：e941SA--T995NSNCWVA1UNJ Screw M3X6 CBPC9NWA1QHJRST Chipr 15KOHM +-1% 1/10W Yageo RST Chipr 1KOHM +-1% 1/8W YageoCN901 006G R906 061G152M10452T XZ RST Chipr SUB 15PIN Vertical Conn with Screw SUB 15PINSOC Subd H 15P F SMTC9NWA1QHJ Main Board for SMTRST Chipr 0 OHM +-5% 1/16W Yageo RST Chip 330R 1/16W 5% Fenghua RST Chipr 1KOHM +-5% 1/16W YageoRST Chipr 10KOHM +-5% 1/16W Yageo RST Chip 390R 1/16W 5% FenghuaRST Chipr 75 OHM +-5% 1/16W Fenghua RST Chipr 56KOHM 1/16W FenghuaRST Chipr 56KOHM 1/16W Tzai Yuan RST Chipr 75OHM +-5% 1/16W YageoAOCe941series OHM Bead X7RX5R BAV70 SOT23 by PAN JITJ44G9909101 Eps J44G9909201 J44G9909615 4A Model：e941S-- T9A2NS2DWVA4QNE PC123Y22FZOF Sharp ADA1603HD1SMT Power Board for SMT LNPCA9401XHD1Main BOARD-CBPCANSA1H1 SMTCA-U402 AC Socket ST-01CP-BCE-RRST Chipr MAX ADA1603HD1AI Power Board for AIRST Chipr 10 Kohm +-1% 1/10W Fenghua RST Chipr 1MOHM +-5% 1/4W Tzai YuanNO-SUGGEST RST Chipr 1KOHM +-5% 1/16W YA NO-SUGGEST RST Chipr MAX 0R05 OHM 1/16WNO-SUGGEST RST Chipr 100 OHM +-5% 1/16W NO-SUGGEST RST Chipr 10KOHM +-5% 1/16W YNO-SUGGEST RST Chipr 330 OHM +-5% 1/16W NO-SUGGEST RST Chipr 75OHM +-5% 1/16W YALED GPTD1210YGC3-HB Chip Bead 120OHM 6A MGLB2012-120T-LFMain Board PCB KEY Board PCBRST Chip 1R 1/10W 5% Tzai Yuan Adapter Board PCBAC/DC Converter TA9690GN-A1-0-TR SOP-24 RST Chip 120K 1/10W 5% Tzai YuanSchottky B3100B 3A 100V SMB CAP ChipConverter Board PCB

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