epicfatigue
New Member
Man this must be a common problem with this PSU.
r17 , 2n3055 , 741 op-amp , L7812CV had all died.
Power supply all of a sudden stopped producing current displayed showed 50v dc followed buy a buzzing and a puff of smoke.
Tested and replaced the following all happy and well again.
Thanks for the mention of R17
r17 , 2n3055 , 741 op-amp , L7812CV had all died.
Power supply all of a sudden stopped producing current displayed showed 50v dc followed buy a buzzing and a puff of smoke.
Tested and replaced the following all happy and well again.
Thanks for the mention of R17