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Old October 31st 04, 06:29 PM
Chris
 
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Default Dosy PM-1000-TS schematic or help

I have a Dosy PM-1000-TS meter that isn't reading peak or PEP anywhere near
correct. It reads less than half of what it should. Does anyone have or know
where I can find a schematic for it? Any ideas what might be bad?

Thanks,
Chris


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Old October 31st 04, 06:33 PM
N4ATS
 
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Typical Problem , There are 4 germanium diodes in between the input and
output connectors on a small board. 2 of them are voltage dividers and 2
of them are for forward / reflected power . Most likely "1" of those
germanium diodes is open , this would give you exact 1/2 reading.

Chris wrote:

I have a Dosy PM-1000-TS meter that isn't reading peak or PEP anywhere near
correct. It reads less than half of what it should. Does anyone have or know
where I can find a schematic for it? Any ideas what might be bad?

Thanks,
Chris



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Old October 31st 04, 11:29 PM
Chris
 
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The power reading on a deadkey is OK. It's just low on the peak reading
during modulation. Would the diodes do that or could it be a capacitor?

Chris
"N4ATS" wrote in message
...
| Typical Problem , There are 4 germanium diodes in between the input and
| output connectors on a small board. 2 of them are voltage dividers and 2
| of them are for forward / reflected power . Most likely "1" of those
| germanium diodes is open , this would give you exact 1/2 reading.
|
| Chris wrote:
|
| I have a Dosy PM-1000-TS meter that isn't reading peak or PEP anywhere
near
| correct. It reads less than half of what it should. Does anyone have or
know
| where I can find a schematic for it? Any ideas what might be bad?
|
| Thanks,
| Chris
|
|
|


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Old November 1st 04, 12:21 AM
DR. Death
 
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"Chris" wrote in message
. net...
I have a Dosy PM-1000-TS meter that isn't reading peak or PEP anywhere

near
correct. It reads less than half of what it should. Does anyone have or

know
where I can find a schematic for it? Any ideas what might be bad?

Thanks,
Chris


I have the schematic, just give me a valid email addy.


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Old January 26th 15, 01:41 AM
Junior Member
 
First recorded activity by RadioBanter: Jan 2015
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do you still have the schematic i am in need of it also....got to replace my 6 position selector switch that fell apart and dont know what wires go to which tab as the board on the switch broke in to 7 pieces


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