My grandfather (Ex K4GF, SK) was a TV repairman during the tube TV era.
The most common fault requiring a house call was the housewife not
plugging the TV back in after she unplugged it to vacuum....
73, Ross N4RP
On 2/14/2015 12:29 PM, David Christ wrote:
This was a standard technique used by TV repairmen back in the days of tube
consoles and house calls. For intermittent problems one waited until the owner
left the room then lifted up one side about 6 inches and let it drop. Usually
either fixed the problem or caused a hard fault that could be troubleshot. Now
the owner just buys a new TV.
David K0LUM
On Feb 14, 2015, at 11:18 AM, Bill Turner <dez...@outlook.com> wrote:
I think you are on to something, Matt. On a hunch, I performed a
"percussive reset" as NASA calls it. I lifted the front on the K3
about an inch and dropped it. The problem went away for now. When it
comes back, I will do as you suggest.
Many thanks to all who replied.
Bill W6WRT
------------ ORIGINAL MESSAGE ------------(may be snipped)
On Sat, 14 Feb 2015 08:27:01 -0800, you wrote:
I would suggest it's worth the time to swap the VFO A and VFO B
encoder boards. It could be the encoder itself or its contacts to the
front panel board, either of them.
If you take this course, you might want to check the encoder board
contacts on each of them, and also take a look at the contacts on the
front panel board. There may be some corrosion, dust, etc. on the
contacts.
73,
matt
W6NIA
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