Question about Standard (CRT) Televisions
I have a 27 inch Toshiba TV model CZ27V51. Picture and audio
gooff and the red power light on front of set starts flashing (but
theset is still on because it can be turned off with the remote and
aflash of light is seen as it shuts off). I took the back off
andfound by propping up the back end of the circuit board (flexing
theboard) I could solve the problem for varying periods of time. So,
IInspected the board carefully, looking for broken traces, loose
pins,cracks in solder, cracks in the circuit board - anything that
might beforced into electrical contact by flexing the circuit
board. Found nothing. Then, I theorized one of the voltages
coming fromthe power supply could be the problem...so, I inspected that
area ofthe circuit board but still nothing. Can you tell me
specificallyhow to fix this and where on the circuit board to
look? Thank You.
If you can make the set act up by flexing the board, it certainly sounds like a bad connection. I worked on this specific set before and am well aware of some problems with it. You say you could not find any bad connections.... but do you know HOW to locate them ? Some joints can look perfectly normal to someone who is not experienced but be in fact a bad joint. I don't know how this works...but for a small cash fee arranged through this site, I can give you more specific information on what to look for.
Posted on Jan 27, 2008
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