schematic wanted for sanwa pm1745 monitor

[OldFoo]

pumping 240 into it wont have done all that much damage, most likely just wiped out the PSU section..



I've repaired countless chassis that have been run at the wrong voltage without much trouble..

[OldFoo]

pumping 240 into it wont have done all that much damage, most likely just wiped out the PSU section..



I've repaired countless chassis that have been run at the wrong voltage without much trouble..

im hopeing its just the filter cap in the psu section as this is well gone

as there seems to be no schematics for this chassis ill just have to sitdown with it

this is only the second monitor ive tackled since going for inhouse repairs before sending out SMPS and simple PCB repiars to date

so an odd mistake will happen as long as we learn from it!



tony

[OldFoo]

I doubt there will be anything wrong with the filtercap.

[OldFoo]

I doubt there will be anything wrong with the filtercap.

Filter cap definitely gone i was about a foot away when it went lots of smoke ops!!!!!!!

[OldFoo]

ok

found a schematic the original is not the best copy ive ever seen



does anybody know what the B+ output should be i have 92v at fuse F802



cheers

[OldFoo]

for the wrong voltage input only damage seems to have been



C806 200v 680uf capacitor and R807 470k ohm resistor



only other faulty parts were



C441 250v 1uf capacitor and C424 50v 1uf capacitor



fitted the chassis into a dance stage i found with the pm1745 unit in and all works fine still after 2 days



checked C441 on the chassis now out of the dance stage and thats shot too

[OldFoo]

nice info ,cheers

[OldFoo]

I'd like to wish everyone a happy Xmas and in these hard times some success in the new year



on a sad note we had our machine store torched the other night mostly old fruits used for spares but some videos lost included



sega harley davidson twin upright

sega star wars trilogy deluxe

sega daytona twin

sega rally championship twin

sega virtual soccer

namco time crisis 2

track & field

beach head 2000

GTI club



none perfect but many spares lost forever



tony

[OldFoo]

I'd like to wish everyone a happy Xmas and in these hard times some success in the new year



on a sad note we had our machine store torched the other night mostly old fruits used for spares but some videos lost included



sega harley davidson twin upright

sega star wars trilogy deluxe

sega daytona twin

sega rally championship twin

sega virtual soccer

namco time crisis 2

track & field

beach head 2000

GTI club



none perfect but many spares lost forever



tony

Sorry to hear this, if you need help rebuilding a stock pile of spares/videos then contact me.



SegaShed is expanding...

[OldFoo]

sorry to hear that tony,you lost some real valuable spares there mate