This is just a hint as I was unable to find the schematic. Transformers VERY seldom fail, if you are getting anything out and the fuse is holding with no heating, the voltages are probably right.
Common voltaages seen after the rectifier and filter and regulators are +/- 15 volts and sometimes +5 volts. For the power amp they are usually between +/- 35 and 60 volts unregulated.
For small amps using the TDA2050 type amps, you will see aproximately +/- 24 volts DC unregulated.
16220 Wood-Red Rd NE
Woodinville, WA 98072
Phone (800) 258-6883
Ask for the tweeter for the MR5 & MR8 the part number might be 0030616. The price is about $31/tweeter
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