When I bought this set, it had no power. Replaced the circuit breaker with a fuse to restore power. Then, I had no control of brightness, then no HV and no sound. I used the Heathkit 0-400 volt power supply to supply proper voltages to the horizontal osc. and found a bad resistor. Then, I adjusted the color killer. Also shown is a nice H.P. scope bought for $10 at the local hamfest.
