Question about Sony KP-61V85 61" Rear Projection Television
When turned on a slight blue/green line at the top then nothing. bulbs are dim
A educated guess here (model is a rather old Sony) this set will blank or shut the tubes off if loss of vertical or horizontal deflection---the slight line at top suggests vertical
What I have done to confirm this is either use a scope and check for deflection or turn blue screen up slowly(blue is less likely to burn the tube screen) and see if just a line.
The set blanks the tubes to prevent a line being burnt instantly at normal brightness (all concentrated into a line) on the face of the tube.
If you are technical and have a volt meter you may be able to locate online a free copy of the service manual to check voltages etc.
Posted on Dec 03, 2012
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Posted on Jan 02, 2017
start with convergence ic's probably stk 392-130 big black chip's on an alluminum heat sink. mark ALL connections with majic marker. check for bad solder connections. for god's sake be carefull
Posted on Mar 12, 2007
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