[TechAssist] Bad vertical outputs LA7832
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 13 Mar 2004 15:41:10 -0600
Techs,
Working on a JVC AV27920. Turned on a plug in, but shut down with timer
light flashing. Replaced parts in vertical amp (IC421/LA7832, D422/75v
zener, C424/100@35, and C425/470@35). Set would power on, but no
vertical deflection.
Replaced the LA7832 again. No change. Out of LA7832's, I then put in a
LA7833. Set worked fine. The first two I had used were RCA SK series,
purchased from Tritronics. Had I known they were SK's, I would not have
ordered them. Checking my parts log, I find I had ordered 3. The other
one must have worked.
This is not a ping on Tritronics. I believe this is only the second time
I have every had bad parts from them, and I use them a lot. I have had
problems with the 7832 purchased elsewhere--not SK's. This business is
hard enough without worrying about faulty parts. The cost of the parts
in small compared to the time lost. Glad I found I could use a 7833 as
replacement. Otherwise, more time lost in reordering.
OK, off my soapbox!
Have a good weekend.
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice) 850-932-0819 (Fax)
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