Re: Samsung 245B PLUS - BN44-00195A - bang and smoke - solved - tips

EDIT:
QM801 [real PSU: QM802 - FQPF[B][COLOR="SeaGreen"]9N50C[/COLOR][/B] - [COLOR="Red"]FAIL[/COLOR]
pins 1,2,3 shorted, measured 0,0 ohm.Re: Samsung 245B PLUS - BN44-00195A - bang and smoke - solved - tips

EDIT:
QM801 [real PSU: QM802 - FQPF[B][COLOR="SeaGreen"]9N50C[/COLOR][/B] - [COLOR="Red"]FAIL[/COLOR]
pins 1,2,3 shorted, measured 0,0 ohm.Re: Samsung 245B PLUS - BN44-00195A - bang and smoke - solved - tips

EDIT:

Hi.
BacCaps forum is awesome - thank YOU ALL for sharing knowledge!

This is about DONG YANG PSU BN44-00195A failiure in Samsung 245BPLUS. It started with bang and smoke from the back of LCD. Downloaded diagram BM44-00192A - a bit different but I will use all parts names from this diagram [and real PSU].
BIG CAP CP801 had 315V, on standby pin 5,2V. After shorting S_B ON (through 3,3k ohm resistor) 24V and 5,3V were missing, on CP801 was 312V.

RM801 [real PSU: RM801 - 0,22 ohm 1W] - [COLOR="Red"]FAIL[/COLOR]
burned, measured 10M ohm....

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I'm Timon. I'd like to learn a bit more before I kick the bucket.