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Author Topic: Yaesu FT920 TX Problem  (Read 4744 times)
KB5ZFO
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Posts: 15




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« on: May 30, 2012, 11:06:47 AM »

I recently turned on my FT920 and noticed no ALC deflection or Power deflection on the meter when keyed.  I turned everything off and returned the next day. I connected a dummy load with a small jumper and keyed the radio and the meter showed full 100watts output.  So I was relieved thinking something has gone bad with the coax or antenna and I turned everything off. Today I returned and connected my existing coax to the dummy load to isolate either the coax or antenna problem.  I keyed the radio and no movement of the power meter. I then used the small jumper I used the previous test. It was showing no meter movement.  I know the small jumper is good, so I am worried there is something wrong with the radio.  Has anyone experienced this problem? I have tried both antenna ports and I and getting the same results on both.
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KA4POL
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Posts: 2409




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« Reply #1 on: May 30, 2012, 11:23:45 AM »

What modulation are you using? Did you try AM/FM? This should result in an output independent of ALC.
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KB5ZFO
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Posts: 15




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« Reply #2 on: May 30, 2012, 12:42:16 PM »

So far I have tested it on USB, LSB and CW. Have not tried FM.
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KB9VVE
Member

Posts: 2




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« Reply #3 on: June 01, 2012, 02:21:52 PM »

I had a similar problem with mt FT-920, open it up check the grey or white flat cable that are coming from the front of the radio make sur that they are properly seated in the connectors, that is where my problem was
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KB5ZFO
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Posts: 15




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« Reply #4 on: October 23, 2012, 07:18:26 AM »

Can anyone recommend a repair shop other than Yaesu?
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N5VTU
Member

Posts: 388




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« Reply #5 on: October 23, 2012, 10:35:27 AM »

Can anyone recommend a repair shop other than Yaesu?

Give Dave or Russell a call at Houston Amateur Radio Supply.  281.355.7373
They are a Yaesu authorized repair facility.


Stephen
N5VTU
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KB5UBI
Member

Posts: 97




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« Reply #6 on: October 23, 2012, 03:29:58 PM »

I had a similar problem with my 920 after being stored for a few years. A full reset did not solve the problem, but a button battery replacement followed by a full reset solved the problem.
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