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| Author: | KD7NAX [ Mon Aug 08, 2005 7:28 pm ] |
| Post subject: | mr8100 schematic |
I am interested in buying a schematic diagram for the Uniden MR8100 |
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| Author: | 2wayguru [ Thu Aug 25, 2005 5:04 am ] |
| Post subject: | |
you can do a search for the MR8100 and get it off of the web. |
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| Author: | KD7NAX [ Sun Aug 28, 2005 10:03 am ] |
| Post subject: | |
I have tried many google searches and have not been able to locate the schematic. All I can find is the operations manual which I already have. If you know where to locate it I would appreciate the help. Thanks |
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| Author: | 2wayguru [ Mon Aug 29, 2005 5:18 am ] |
| Post subject: | |
I will look for you... |
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| Author: | 2wayguru [ Mon Aug 29, 2005 5:24 am ] |
| Post subject: | |
is there a problem with the one you have? |
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| Author: | KD7NAX [ Mon Aug 29, 2005 11:37 am ] |
| Post subject: | |
The power leads got accidently shorted. I have been able to repair the circuit board and have replaced a few diodes so it now scans again but I can't get any audio. I need the schematic to try and figure out where to go next. I ordered a service manual from Uniden ($32.95), it got lost in the mail so I don't know if it will help. Uniden is suppose to be sending me another manual. |
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| Author: | 2wayguru [ Tue Aug 30, 2005 5:07 am ] |
| Post subject: | |
ok, I have a bunch of them and I am quite familiar with the MR-8100, if you need one for parts I do have one available, did you check your audio amp with a scope or the speaker leads? What you can do if you have a service monitor is put the scanner on a frequency, generate a signal to the scanner and take a scope and checkout the the audio amp, if you see the wave on the input pin of the amp and nothing out then you have a bad audio amp... Also is your scanner recieving a signal? |
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| Author: | 2wayguru [ Thu Sep 01, 2005 7:03 pm ] |
| Post subject: | |
I have 2 here one is opened and for parts the other one powers up and has audio but needs to be opened and tuned, were you interested in any of these? |
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| Author: | KD7NAX [ Fri Sep 02, 2005 6:56 am ] |
| Post subject: | |
How much are you asking for the one that can be used for parts? If the price is right I might be interested in both. Thanks for your help. I received a service manual from Uniden yesterday. |
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| Author: | 2wayguru [ Fri Sep 02, 2005 7:41 am ] |
| Post subject: | |
the one that is for parts only I would take 25.00, I will take 50 for the other one.... |
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