Lexicon capacitors: which voltage?

[gresporcellanato]

Hi,
as the title of the discussion, I would like to know the voltage of the capacitors. They are found in the pcm 70 lexicon. Thank you very much.

Service manual is here
https://www.manualslib.com/manual/1003004/Lexicon-Pcm-70.html

In attach a jpg of capacitor with voltage omissis.

 

[PRR]

Are these on the 120V/240V side of the transformer?

If they are in the low-voltage side: the supply is +5V and +/-15V. So the most that can happen is 30V.

I bet it is hard to find those values less than 50V. Which is ample.

 

[gresporcellanato]

Are these on the 120V/240V side of the transformer?

I don't know. That's why I asked. Please, can you take a look at the electric diagram? thank you.

 

[JohnRoberts]

I don't know. That's why I asked. Please, can you take a look at the electric diagram? thank you.

I got up to past page 50 and still didn't see a schematic... since i value my time I will make an educated guess.

Those values and tolerance caps appear like they would be used in audio filters so I suspect  30V or so should be adequate... If they catch fire, use higher voltage caps.

JR

 

[gresporcellanato]

I got up to past page 50 and still didn't see a schematic

Thank you.
The schematics are from page 76.

 

[gresporcellanato]

If it can be helpful, I attach the pictures

 

[gresporcellanato]

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[gresporcellanato]

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[QUEEF BAG]

to repeat...those caps are expecting to see about 15 volts.

if the voltage regulator were to fail, the most they would get hit with would be about 30 volts.

replacement caps should be rated for 30 volts or above.

50 volts is fine      250 volts is fine    600 volts is fine.

the voltage spec is just at what voltage the part can be expected to fail,  a maximum voltage before fire.

the issue i would be more concerned with is the lead spacing, and the spacing of the holes in the circuit board where they fit in.