dolby board

Hello, so here is a bit of a story. I picked up a Sansui 9090DB in need of servicing. It had seen prior work to the driver board and all of the output transistors had been upgraded. The driver board was recapped but all but one of the fuse resistors were original (thus needing to be...

Hello everyone, I am very much in love with the sansui 9090db. I have the opportunity to buy it, the seller said that everything is original, and I believed it, but looking for Facebook, I found that it was repaired. I have pictures of what I did and I think it's the Dolby card. The seller is...

This is the 2nd Sansui 9090db I have had on the bench in the last 6 months, as well as a complete rebuild of a G-9700 in between. This 9090db is very strange. After complete cleaning and deox i powered it up on Variac and was thrilled to see it come out of protection mode right away! I have...

Hello everyone. I'm working on Sansui 8080db. Originally, it was (you've guessed it) stuck in protection mode. Resistor replacement on the driver board and all 4 outputs took care of that. Next problem found once out of protection was no Left channel. Sound was there just barely. Found it to be...