Sansui TU9900 fm Tuner. No audio left channel (FM only). AM and 1000hz test signal audio both channels. Stereo light and meters work fine. Any clue?
Judging from that schematic, this is a highly sophisticated and complex tuner.
My earleir comment about checking the selector switch(s) and doing a cleaning of them still stands, as a first solution.
If that doesn't bring satisfaction, then a careful and intelligent amount of troubleshooting is then required.
My earleir comment about checking the selector switch(s) and doing a cleaning of them still stands, as a first solution.
If that doesn't bring satisfaction, then a careful and intelligent amount of troubleshooting is then required.