Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Jim Jim is offline
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Default Magnavox 27MS343S

One last question I hope about this. I pulled the IC301. Is there a way to
check any of the 7 pins for shorts with an ohm meter? I tried a few of them
& didn't find any shorts. It is very hard to read the IC, but it looks like
it is a TA8427K (NTE7158).

Is D431 an FR104? I have a lot of diodes. Is this a special diode or is
there a common replacement?

Thanks, Jim (When one lives in the woods of Maine one has to rely on the
internet for answers.)


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Default Magnavox 27MS343S

My schematic shows vert IC TDA8427K and the diode a FR105,
Dont have a data sheet on the chip, Looks like pin 6 is Vcc, and pin 1 gnd,
Its probably not expensive, just replace it, Some caps to check,
C303,306,309,311.
Good luck, hope this helps
Charlie

"Jim" wrote in message
news:4hc8h.2627$mM1.2305@trndny08...
One last question I hope about this. I pulled the IC301. Is there a way to
check any of the 7 pins for shorts with an ohm meter? I tried a few of

them
& didn't find any shorts. It is very hard to read the IC, but it looks

like
it is a TA8427K (NTE7158).

Is D431 an FR104? I have a lot of diodes. Is this a special diode or is
there a common replacement?

Thanks, Jim (When one lives in the woods of Maine one has to rely on the
internet for answers.)




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