Hi!
I have been given a friends video recorder to fix - fault was that one day they went to use it and there was no power....nothing like a bang or smoke or power surge - it just died and wont turn on.
Just wondering if anyone has some good knowledge of known common faults for a Panasonic F70 power supply and also can help with part numbers for some blown diodes?.
The video is completely dead - no power at all.
Have checked fuses (OK) and changed most of the common caps (except for the large 83uF 400V filter cap and 1uF 400V cap, and have found D6 (zenner),D10 and D14(zenner) to be open circuit - anyone know what part numbers these are?
What's the best way to test the power IC's? Are they usually faulty?
I'm fairly new to this, but someone has told me about a book you can get that has common faults listed for many different brands of TV/VCRs etc? If nothing else, it gives a good starting point and could save some time.
Thanking you for any help you can offer here.....
James.