Question about Boss PSA-120 (761294015735) Power Supply

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Compatable power supply with a boss psa 120

Hi i left my psa 120 power supply in a ski lodge and i need to use my music recorder right now i have a bunch of diffrent power sup. with me witch one should i use???

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There should be a fuse on the power supply board inside the unit. If it is not that then it is most likely the board itself. You can get a replacement at Allied Electronics.

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Center negative. 9.6 VDC 500ma Boss PSA-120S is official adapter.

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Flash on the green light,i guess it could be a false contact


Hil,

I'm going through here just to share the circuit diagram (schematic) for Boss PSA adapter because I know that many people need to repair their damaged fonts but can not get the original wiring diagram.

Savio

204f337b-20d0-4fe1-8d86-712fa0c703f6.jpg

Oct 19, 2010 | Boss PSA-120 (761294015735) Power Supply

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Just bought Kingston 2GB SD Card for Boss Micro BR but when maching turned on,its frozen on KEEP POWER ON! SONG LOADING!


This is likely a compatibility issue. Turn power off and remove the card and make sure the unit comes back to life.

SD card compatibility can be a problem.

You might want to go to VSPLANET.com as there is a lot of info on forums about recorders.

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My psa 120 t goes to ground and make an elictrical noise just like you unplugged your guitar and the amp is turn on


Sure that the problem is the PSA adapter? When it occurs? When everything is connected (guitar, amplifier and pedals) and you try to turn on the electricity in the PSA?

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Using generic battery adaptor on Digital recorder


Others have had problems doing so. I would get one specifically for the unit. One person got an adapter with an "S" suffix and that DID NOT WORK.

Get the exact replacement for this particular device as called for in your manual.

Mar 07, 2010 | Boss Micro BR Digital Recorder

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Why is it that the buzzing heavily increases when I play and record guitar while the recommended AC adaptor (the PSA-120S) is plugged in at the same time? Do I need to get a rechargeable battery?


Rechargeable batties do NOT work well in things requiring a full 9 volts.

OFTEN the fault is with the guitar pickup being sensitive to magnetic fields around it.

Wall tranformers/adaptors are some of the WORST of the magnetic field emitters.

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Boss psa 120s automatically shuts down and does not turn on


Hi,

I'm going through here just to share the circuit diagram (schematic) for Boss PSA adapter because I know that many people need to repair their damaged fonts but can not get the original wiring diagram.

Savio

3e7748cd-b046-4702-928e-059947399b58.jpg

Jul 08, 2009 | Boss PSA-120 (761294015735) Power Supply

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Boss cs-3 compressor/sustanier


It is likely that the power supplys have blown diodes or capacators
and there is too much ac in the signal ,
or the power supplys you have don't have enough wattage to power the units cleanly. did they ever work.
instead of using a power supply with 300ma or so use one that has 500ma or better 1 amp even.

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