7203 b+

TP1 - 121vdc

If you measured the AC at the plug with the black lead on the frame/ground, then that's why you only measured half of it. Measure between the two side of the plug...
 
yea thats what i was doing, swapped out the c600's in the ps section and nothing. i'll go thru the d600's tomorrow.
 
It's a little 8-legged IC in the back center...

k7203.jpg
 
swapped it from a parts board, still nothing. so far swapped the VR, put in a new hot, swapped the c600's checked the d600's and checked zd001 and r105 and nothing...donno if i should swap the filter caps or not. also swapped the flyback and large transformer. i guess some of these parts could be dead as well like yours.
 
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