Question about Televison & Video
FIRST: trouble shooting suggestions:
1. Locate the pin where the b+ enters the flyback and unsolder it.
2. Locate the pin where the collector of the Horz output connects to the flyback AND unsolder it also; check for full b+ on the foil going to the flyback from the power supply---it should be in excess of 130 vdc and use the correct ground when you do this.
If voltage returned at the source going to the flyback the problem is either the transformer or something near it. If voltage does not come up at the source going to the flyback with both pins completely loose of the board, the problem is back in the main power supply.
Let me know if you have questions and what you find as I am here to help you.
Posted on Apr 28, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
May 29, 2011 | Sony Televison & Video
Occurs when either:
1) a +B overcurrent is detected (IC5007), or
2) overheating is detected (Thermistor TH5002).
I have the serrvice manual if you need it. Let me know where to send it to.
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