[Amps] Alpha 89 strange behavior

S. J. Blackwell w5lu at hotmail.com
Sat Nov 12 13:42:01 EST 2005


Make sure the low voltage regulators are a making good connection. Transient 
dropout of the LV ckt will do this.
Good luck,
Sam, W5LU


>Hi from Italy!
>I own an Alpha 89 amplifier and use it for my second radio (IC765) in my
>SO2R set up.
>Till now everything was ok. But this week the amplifier sometimes jumps in
>"fault" position
>even without transmitting and even without connection to the radio. More
>than this, as I
>can transmit when I stop to PTT with microphone or RTTY software, the 89
>immediatly
>goes in "wait" position and restart as just turned on (after a couple of
>minutes it's ready again
>and red light "wait" turn off), but if I retry to tx again when I stop to
>transmit it turns on red




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