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Guest
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 Posted:
Wed Dec 07, 2005 9:35 am Post subject:
Need Standby Sources For Mits CS-3135R |
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This one is dead with no click. Is there a site where I could download
the service manual? Any help with this is greatly appreciated. Thanks
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rm502@bellsouth.net
Guest
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| Posted:
Wed Dec 07, 2005 5:35 pm Post subject:
Re: Need Standby Sources For Mits CS-3135R |
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The Howard Sams Company (In Indianapolis) publishes a a manual for
Model CS3125. It might be close enough to help you. Give them a call
and discuss it. |
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Guest
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| Posted:
Thu Dec 08, 2005 1:35 am Post subject:
Re: Need Standby Sources For Mits CS-3135R |
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I've got the Sams for the CS3125 but the CS3135 is designed differently
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John-Del
Guest
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| Posted:
Thu Dec 08, 2005 8:33 am Post subject:
Re: Need Standby Sources For Mits CS-3135R |
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You shouldn't need a manual for a no-click problem. Follow the AC into
the chassis and you'll find a standby transformer either on the board
of mounted to the floor of the cabinet. You can also work back by
following the coil side of the relay back to it's DC source. Either
way you'll check the transormer, rectifiers and filters that provide
the 12 or 24 volts to the relay. Open primaries are not uncommon on
these.
John |
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Ray L. Volts
Guest
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kip
Guest
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| Posted:
Thu Dec 08, 2005 5:35 pm Post subject:
Re: Need Standby Sources For Mits CS-3135R |
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Get you Money out...
"Ray L. Volts" <raylvolts@REMOVECAPSgmail.com> wrote in message
news:aqUlf.24711$SY.14186@trnddc06...
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Leonard Caillouet
Guest
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| Posted:
Fri Dec 09, 2005 1:35 am Post subject:
Re: Need Standby Sources For Mits CS-3135R |
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<markcharles@webtv.net> wrote in message
news:1133944723.246261.35360@o13g2000cwo.googlegroups.com...
| Quote: | This one is dead with no click. Is there a site where I could download
the service manual? Any help with this is greatly appreciated. Thanks
|
You likely will not find this manual in electronic form for free. It was
only available in paper from Mitsubishi, so if anyone ever took the time to
scan it, they probably did it to make a buck.
I don't recall which on this set but there are only two likely sources.
Either the stby supply runs off of an idling main switching regulator or has
a traditional transformer and bridge rectifier. Tracing the ac line leads
to one or the other or both. Look for the rectifiers. In either case, the
ac or the switching signal has to be rectified.
Before you spend too much time you might want to make sure that you have an
ESR meter and learn how to find the leaky caps in these sets. Likely to
find that it needs a fistfull. Google Mitsubishi and capacitors...
Leonard |
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