Simplex How to Adjust the Output of an Audio Amplifier

Goal How to Adjust the Output of an Audio Amplifier 2001 2120 4003 4100 4100 4100UT NVCC Audio 100 Watt Amplifier 562 907 25 Watt Amplifier 562 905 Unable get proper audio output level Need adjustment procedure Proper Audio out of an amplifier is dependent on the input to the amplifier For most conditions the input source is a 500mv AC signal The amplifier adjusts this to a signal level 11VAC using the gain potentiometer on the amplifier board for the input to the primary side of the transformer Brown and Black which then amplifies it to its proper output depending on are different audio transformers for different amplifies 2001 2120 has a 478 233 24volt output styles have 2 different types depending on the audio output requirements and they are 478 296 25volt output and 478 300 for 70.7 volt output