Question about Projection Televisions
Picture went out no picture at all nothing on screen
bought new in 1995
SOURCE: mitsubishi model vs-5043
1. CHECK BASE BIAS VOLTAGE OF Q217, FOR 0 VDC (BIASED OFF) IF .7 VDC (BIASED ON) CHECK C268 (22 UFD 50 V) OFF C OF Q215 V-PROTECTOR ON THE SIGNAL PCB.
Posted on Aug 26, 2007
We have a 1994 Mitsubishi 52 or 54 inch, Model # VS 5055. The remote is broken and the parent control is on so we can not use the regular buttons and we cannot shut off the parental controls. Any thoughts?
Posted on Jan 04, 2008
If this Tv is a model year 1996 or 1998, It is quite possible your vertical IC needs resoldered. It is located on the small signal board. This board [quite large anyway] is the board on the left. I don't know the location off hand. The IC has seven pins and located on a heatsink, It is a TDA series. Resolder any and all grounds you see. May as well get the Large Signal board [On the right] resoldered. The other problem would be the P I P board, a small board standing up, that can be removed and replaced. But try the earlier first. This is tedious, but will produce results.
Posted on Jul 12, 2009
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