pdp60wxdp3

[neonlight]

pdp60wxdp3

z-board 60hd3
found 4 diodes shorted beteewn the imps
020
021
022
023
changed them now iv got
+5v 4.74v
+15 15.37v an fluctuating to 15.59 v
ipm temps, 20 mins heat run 37/42/55

any ideas why the +15v is spiking would be greatly appreciated

[tom66]

Re: pdp60wxdp3

Bad cap near IPM? May not be a defect - is there an actual fault?
+5V at 4.74V for me would be more of a concern.

[neonlight]

Re: pdp60wxdp3

it was displaying split picture with lots of colered lines.then a short with probe sent the pic dim that blew diodes theres a ribbon cable missing from control /b 2 y board just tested +5v of the main power/board 4.74

[tom66]

Re: pdp60wxdp3

Weird lines etc not Y-sus. Control board or main board fault likely. Both sus are only responsible for making the screen light up, more or less.

[neonlight]

Re: pdp60wxdp3

iil have 2 get a ribbon cable an see tho what its doing an take it from there.would be nice 2 get this one working