SC1224 / Philips CM 8833 MK I colour monitor problems

[Chandler]

can anyone advise what could be the likely issue with the following monitors?



1: SC 1224 colour monitor, PSU OK as i tested and used it in another monitor

basically switch on monitor and green LED illuminates and you hear the static from the tube as though it's all starting up correctly

then! suddenly the green led goes off and the tube sounds like it's been switched off

then green LED back on and tube sounds like it's starting up again!

anyway this loop carries on and on so i switched it off

any ideas?


2: Philips CM 8833 MK I RGB colour scart type monitor

switched on, picture came on for a while then started to go dim, crackling sound from inside monitor and poof! picture gone!

swapped the psu and nothing so i guess it's something on the main PCB or LOPT or tube

again any ideas?

[Silly_Pony]

Had the problem you're having with the first one before. Was LOPT on mine, but could also be other things.

[Chandler]

ok thanks

I have another faulty SC 1224 also

switch on, power LED illuminates but very dimly, screen is black and no sound, no "static" sounds from tube starting up either

sounds like a power supply issue so I changed it for the one in the other monitor but it does the same

any ideas?

[Silly_Pony]

I'd swap the second 1224's LOPT into the first and see what happens. I'm no monitor expert, but there's always a few on amibay who are. Particularly of the Philips 8833/Commodore 1084.