goldswimmerb
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  • Moving on from the 4300 to fix a 2230
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    Bill mackay
    Hello, Looks like you've done quite a bit of Marantz 4300 work. I just replaced the transistors on the buffer / preamp board (PE01) to correct a failed right-front audio circuit. That worked!
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    Bill mackay
    Now I noticed the stereo indicator lamp is not functioning, and it's not the bulb. No voltage on the selector lamp pins when there's a strong FM signal. I think it might be the MPX Decoder board (P300) in the stereo indicator circuit.
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    Bill mackay
    That board's a bugger to access for component replacement. I'd appreciate any suggestions? Thanks, Bill
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