Akai AM-U310 relay doesn't respond

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#21
jean-paul said:
Old thread but triggered by a romanian post: as usual look up the type of the relay used and check if it has gold/gold plated contacts. When so (very often in older Japanese stuff) then replace for a sealed hard silver (bifurcated) contact version.

Speaker A/B/A+B switches are often a source for issues. It is best to just wire directly to the outputs.
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Hello! Thank you very much! Sorry if I made / make technical mistakes - I'm not that good at it! Can you please write how can I wire the switches directly to the outputs? Kind regards!
 
#23
jean-paul said:
Ah my romanian is somewhat rusty so I misunderstood. First measure power supply voltages and DC offset at the outputs.

Mult noroc!
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Hello! Thank you very much! No problem! I forgot to write that the amplifier LED's was lit up - maybe this it's important. I have some knowledge about electronics but can you write me please how can I measure power supply voltages and what values of it I must achieve? For DC offset at the outputs I use a digital multimeter and the + of multimeter I connect it to + of speaker and - of multimeter I connect it to - of speaker, no? Kind regards!
 
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