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Old 3rd Oct 2011, 9:44 am   #3
geofy
Retired Dormant Member
 
Join Date: Jun 2006
Posts: 1,798
Default Re: Roberts R200 schematic

https://www.vintage-radio.net/forum/...ad.php?t=64700

The pictures in the link of my radio might help, this still has the AF117's fitted, I replaced one faulty one. One output transistor had gone faulty so both where replaced with AC128's and the bias current rechecked and set to around 5mA.
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