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Old 10-12-2021, 12:57 PM   #3
jimbofz
Badcaps Veteran
 
Join Date: Apr 2013
City & State: cheshire
My Country: uk
I'm a: Knowledge Seeker
Posts: 287
Angry Re: roberts dab mpsound 43 circuit

thanks STJ ,been using that info,
mute pin 45 low ok
vreg pin15 4v ok
shutdown pin 44 high ok
vbyp pin16 1.25v ok
avcc supply 10v ok
fault pin 46 low ok
pvccl 10v ok
pvccr 10v ok
i/p left and right healthy waveform ok
no measured s/c across o/p ,l/s both fine
so unless i can find out from cct diag the correct values of the surface mounts
im snookered
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