Marantz PM 350 volts on speakers! both.
This is a bit of a wreck ,filthy inside ,he said don't spend a long time on it ,I guess that means he didn't want to spend much money on it, I have a cct
the o/p transistors read ok ,what looked like 39 ohm was o/c could it be something common to both channels ,any ideas. Mick. |
Re: Marantz PM 350 volts on speakers! both.
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Re: Marantz PM 350 volts on speakers! both.
Hi Mick.
How did you measure the o/p tr's. Sounds like 1 is o/c and the other is s/c in both channels. might have blown the drivers as well. John. |
Re: Marantz PM 350 volts on speakers! both.
Hi John all in circuit read ok ,just found the resistor o/c is a feed to the reg Q 807 , looks like problems there. Mick.
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