[Kenwood] TL 922A
gary nichols
[email protected]
2003年5月04日 09:42:49 -0500
Sounds like perhaps a mis-match in the amplifier input circuit is causing
"fold-back" and reducing the transceiver output with resulting insufficient
drive to the TL922...de gary, kd9sv
----- Original Message -----
From: "John J Dize" <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Sent: Sunday, May 04, 2003 9:13 AM
Subject: Re: [Kenwood] TL 922A
> All the cables are correct.I turned off the Auto tuner.It doesnt seem to
> make any difference.I took some readings while trying to tune up.Maybe
> somebody will spot something wrong.I am not familiar with this amp at
> all.When I bought it, I just put it in line and it worked fine.Good
> output.Now with a another radio, different situation.Heres what the
> meters say.Maybe somebody is familiar:
>> RF position keyed in CW reads 100Ma
>> HV position no transmit 200Ma SSb 300 Ma
> I think the manual says this is normal
>> lp keyed down 0.2
>> The 3 500Z tubes have a small orange glow, not real bright. Dont know the
> condx of the tubes.They are lit.
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