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P1225/M1225 Motorola P1225 hand held just beeps on xmit

videobruce

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Joined
Jan 5, 2004
Messages
112
Location
Buffalo NY
Out of the blue, when I try to xmit on this older (probably early 90's) Moto P1225 hand held, all I get are a flashing red & audible beeps. I initially thought it was a antenna issue (high swr), but not so, it does in on it's one rubber duck antenna. I'm figuring the CPU xmit section is messed up somehow.
I have the Service Manual on this, but I don't see ant 'reset' function. I removed the battery pack for a few minutes, but no change. I have it sitting in it's charger, power off, connected to a outdoor VHF antenna (tuned), it's rarely used. Receive is Ok.

Any ideas?
 

ladn

Explorer of the Frequency Spectrum
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Oct 25, 2008
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637
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Southern California and sometimes Owens Valley
Not very familiar with this model, but I suspect either the battery is failing to provide full power or the synthesizer isn't locking. Are you transmitting on a frequency at or near the edge of the radio's frequency range?
 

videobruce

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Jan 5, 2004
Messages
112
Location
Buffalo NY
It's powered from the drop in charger/PS.
No to the question.

I discovered it yesterday, checking for something else. Today, I went to use by Bird 43 and amazingly all was fine. I checked a few more frequencies, still Ok. I remover the 43, connected it back up and the problem returned. back to the meter in line, same thing. I checked the fittings & adapter, nothing. Connected the stock antenna, same thing.
The red LED flashes as it beeps with the radio xmitting all at the same rate.

I have their RSS PITA software, but I don't have a old PC to use it. It needs a pre 2k processor to work, anything newer is too fast for the program to run. (No, I'm not making that up.) I have to borrow a Win 98 from a friend.
BTW, I have 2 of these, the other is in my car and that's ok.
 
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videobruce

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Jan 5, 2004
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Location
Buffalo NY
But, I've operated it in the charger before with no issue. I'll let it sit off and do a full charge and see what happens.
 

a417

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Mar 14, 2004
Messages
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But, I've operated it in the charger before with no issue. I'll let it sit off and do a full charge and see what happens.
Full charge on a 9 y/o battery, good luck!

The p1225 is easy to use jumper clips and an appropriate voltage/current rated power supply in a 'battery eliminator' capacity, not what you are doing.
 

KevinC

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Jan 7, 2001
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Somewhere other than home :(
But, I've operated it in the charger before with no issue. I'll let it sit off and do a full charge and see what happens.
Depending on the chemistry of the battery and number of times you've done that you may have accelerated the demise of the battery. But 9 years is old for a battery anyway.

I'm still going with it's a bad battery. ;)
 

videobruce

Member
Joined
Jan 5, 2004
Messages
112
Location
Buffalo NY
For most of it's life with me, it was used as a 'hand held'. This weird xmit situation never happened before that I can remember.
Yes, it is old for a battery pack, it this seemed like it was behaving like a M$ O/S. :rolleyes:
 

davidgcet

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Aug 17, 2010
Messages
1,287
pretty much anything beyond 3-4 years and it is time for a new battery at any point, regardless if it has only been charged a few times or not. ni-cad and ni-mh develop memories and the fact it is charged fewer times makes no difference. yes ive had factory batteries last 7+ years, but that is the exception not the rule.
 

musiclistener

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Joined
Mar 2, 2009
Messages
13
Location
Wausau Wi
Out of the blue, when I try to xmit on this older (probably early 90's) Moto P1225 hand held, all I get are a flashing red & audible beeps. I initially thought it was a antenna issue (high swr), but not so, it does in on it's one rubber duck antenna. I'm figuring the CPU xmit section is messed up somehow.
I have the Service Manual on this, but I don't see ant 'reset' function. I removed the battery pack for a few minutes, but no change. I have it sitting in it's charger, power off, connected to a outdoor VHF antenna (tuned), it's rarely used. Receive is Ok.

Any ideas?
Did you check to see in the programming that transmitting box was checked?
 
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