[TechAssist] RCA Blue gun burnt
- From: "mark brock" <brock@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 3 Mar 2002 21:30:41 -0800
Model P46100tn CTC169BN 1990 model, my personal set, blue gun would
intermittently turn up or down, noticed it most on the black and white
Andy Griffith show, then made a pop and now have a burnt spot on the blue
gun, I've never been in it since a lightning strike several years ago,
question is what causes the blue gun to burn a stripe up and down about 5
inches, looks light a lightning bolt, I think I have another gun but dont
want to put it in and find a bad neck board or something and then burn the
new one, resoldered the CRT board, the R's on it are OK and no fluid
leak that I can see, is this a common thing when these guns short ? the
blue is still working, sometimes its over driven with retrace and you can
still turn the screen up or down to compensate, is it the gun or do I
need to check further, plan on resoldering the tuner, and replacing cr4118
while I'm in there, also noticed it takes a few minutes to brighten up so
maybe the 4.7/250 cap as well. appreciate any advise,
brock
Brock Electronics
R.R.4 box 237
Independence Ks. 67301
316-331-0235
fax 331-7191
brock@xxxxxxx
mailto:brock@xxxxxxx
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