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Bushpilot169
Member
Username: Bushpilot169

Post Number: 70
Registered: 2-2004
Posted on Sunday, October 16, 2005 - 5:30 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

ok I have a texas star that when i key it up all
it do's is buzz. I was told that i need to change
the keying transister, and it will be fine. My
question is which one is the keying trans, Q1 or
Q2? oh by the way it is a DX400 BI-LATERAL

Thanks
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Patzerozero
Senior Member
Username: Patzerozero

Post Number: 1706
Registered: 7-2004


Posted on Sunday, October 16, 2005 - 7:30 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Q1, a 2n2907a is the keying transistor.

Q2, a 2n4125 is the receive preamp transistor.

could also be RL1 relay sticking...
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Bushpilot169
Member
Username: Bushpilot169

Post Number: 71
Registered: 2-2004
Posted on Monday, October 17, 2005 - 12:51 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks for the help, i could not remember
which one it was.

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