|10-01-2011||NTSC TV processor chip
|11-01-2011||I have replaced the convergence chips with no luck. Any other ideas?|
I got Anritsu MS2602A manuals (PDF) but I am looking for the Service manual Volume 2.
Can someone help here ?
|11-01-2011||I'd wonder about the B-Plus to the HOT running too high since you said the raster comes on for a short time.
Any heavy load could cause the set to attempt to turn on, sense it has a overload and then shut off.|
|11-01-2011||Also, I can unplug one of the vertical/horizontal deflection yokes on either three tubes and the power supply will stay on.|
|11-01-2011||That would imply vertical. H windings in parallel - V windings in series.|
|11-01-2011||"That would imply vertical. H windings in parallel - V windings in series." That is true. :D
B+ should be 115v but measured 116.3v. I noticed on QH01 (H.V. OUT) that the drain measured 330v but it should be 255.6v.|
|11-01-2011||For those who may not have a schematic for this. Here is one: http://www.4shared.com/dir/kwh24LmD/sharing.html
Any help is greatly appreciated. Thanks.|
|11-01-2011||How far down which branch of which troubleshooting tree did you get?|
|11-01-2011||I got down to "Does Red LED (D912)"ON", "BLINK" or "OFF"?"
That LED does all because it does come on and it turns off, only to repeat the cycle each second, and could be considered blinking since high voltage shu|
|11-01-2011||you might want to try cleaning the laser lens or have it cleaned.|