Rhodes 5 pin Suitcase amplifier repair
This 1 hour long video will take you through
Identifing parts
Troublshooting
Checking for proper voltages
Setting the Bias point on each amplifier
Setting the offset voltages on each amplifier
Rebuilding the +/- 15 volt power supply
How to check components like power transistors
How to replace resistance wire with the proper Resistors
Where to look for loose connections and how to resolder them
This is an excellent video for the beginner to intermediate tech who would like to learn and repair their own or others gear.