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File name:BEKO 12.6 SM.rar
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Size:305 kB
Original:12.6 🔎
Descr:schematic + serv. mode
Group:Electronics > Consumer electronics > TV >
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BEKO 12.6 SM.pdfELECTRICAL ADJUSTMENTS ACCESSING THE SERVICE MODE BEKO Chassis 12.6 To enter the Service Mode, `Service In/Out" button on the Service Remote Control or activate the "Picture Menu" with the user remote control and press "8500". "Red" , "Green", "Yellow" and "Blue" Teletext buttons are for Feature Setup, Geometry, White Balance and AFC menus respectively. Press "0" button to exit the Service Mode. 1. POWER SUPPLY VOLTAGE Connect a digital voltmeter to the cathode of D607 diode at the AV1 mode of the TV and set the screen voltage to the minimum. Adjust the main supply voltage +B with P601 potentiometer to the following voltage value. Adjust the screen potentiometer to the level where a picture is just visible. 14" 20" 21" A34LPE02X01 A48ECR143X51 A51EER133X41 106 VDC 118 VDC 118 VDC 2. AFC ADJUSTMENT Before starting the adjustment follow the procedure below: Enter service mode, change "VIDEO" header to the "NEW". Then exit from service mode. Remarks: 1. The procedure above must always

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