Problem with JVC AV-32120 32" TV

Help- with JVC 32" CTV

Have a JVC model  AV32120. Problem with secondary voltages. Doesn't switch on. Any leads would be appreciated. Changed STR6626 and 1000mfd 35V. No change. Thanx in advance

Posted by avatar on Aug 11, 2005

Solutions (4)

First, STR-F6626 must be OEM.

Robert

On Sat, 9 Oct 2004 11:12:19 -0300, "EGuy"

Not true at all.  We fix these sets with "generic" ICs all the time.  I have
compared several "originals" from JVC with the generic ones and found no
differences at all in operating parameters including temperature.  You have
to be very thorough in troubleshooting these power supplies, but there is
not a problem with using generic STR-F6626 ICs from a reputable supplier.

Leonard

Like I said, you have to be thorough in troubleshooting these.  It is my
experience that when the chip is not switching at all, it is likely bad,
along with the diode(s) in the primary.  But then we get more lightning here
than in most areas and these ICs seem to fail with a sneeze...in cases
without surges there may be more common failure modes in these power
supplies.

Leonard

I had a similar model (UK) that wouldn't strike up, and turned out to be a
small diode in the primary circuit.
AW

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