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This one has turned into a nightmare. Sound was originally low and distorted. I have replaced the electrolytic caps and found both resistors in the power supply to be bad. One drifted high and one open. I have replaced multiple resistors that were out of tolerance way high. Now the sound level is fine, but still slight distortion and most of all a complete lack of vocals. They are there, but way in the background. Sounds like a phase issue. I have not replaced any transistors and I did clean the controls. Anybody got any good ideas. it is chassis RS236B Sams 955 folder 7. Any help greatly appreciated.
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