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Hi,
I have this controller with rgb led strip, one was yellow only other not worked. I read from yellow working 24c02 eep to read,was empty except first 4-5 bytes, other not working was strange data full 55 66 55 .....
When I put ori eep in good yellow controller now non stop changing r,g b...
Today I played and, sb +5v present,on power on green wire should has also 5v but has 2.7v
On pfc ic cm6806+x on vcc pin no power, there is smd pnp that has +13.5v on emitter but not switching transistor(collector goes directly to vcc pin of ic)
I shorted E+C on small pnp and all powers cones...
About small cap, PSU was 7-8 days old, then was thunderstorm and I opened to see if just fuse blow, because was weekend time. Then my guaranty goes away ;)
Here image of label on psu
I have cooler master silent pro defected after thunderstorm, there is 330v DC on main big condensators, also 5v stendby present but all other dead. There is no power VCC to IC cm6806+X, (I think this is used for PFC) 10pins smd. There is also 8pin dip (pin6 missing) a6069h
Any help,schematics...
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