Question about Sony FD Trinitron WEGA KV-36XBR800 36" TV
Six blinks of standby light in sony sets denotes the Horizontal Oscillation and output stop. It may be due to an Ic fault, or faut of some capcitors, or horizontal output trnsformer [LOT] or related component failure.
You must have a digital multimeter which can count frequency and have a concept of soldering. Just chek first for the secondary regulated main voltage [135VDC], ath the secondary side of SMPS. If it is ok, go to the line driver transformer, a small transformer fitted on the main board, very near to the LOT. Check its primary winding side for open circuted or not. If not check the voltage at the primary winding of that thransofrmer. Its one end is connected to the horizontal driver transistor. Measure the frequency at this point if there is voltage. It should come around 15.5KHz. If not suspect the horizontal video jungle Ic. To confirm whether this IC is faulty you must have the ability to follow the schematic diagram of the Tv, and some skill and experience in service.
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Posted on Jan 04, 2011
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Posted on Jan 02, 2017
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