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564_40m [2015/08/28 12:13]
n1eu
564_40m [2015/08/28 13:31]
n1eu
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 And the list goes on and on where missing bands have been concerned. Each And the list goes on and on where missing bands have been concerned. Each
 of these problems was a PIN Diode. In your case it is D12 on the OSC-Low of these problems was a PIN Diode. In your case it is D12 on the OSC-Low
-Mixer Board. If you look at page 6-14 of the Manual or page 52 of 132 of +Mixer Board. If you look at page 6-14 of the Manualor page 52 of 132 of 
-the .PDF on your computer. You will see Connector 82( osc-low mixer board +the .PDF on your computer, you will see Connector 82 ( osc-low mixer board)The band switching is done by applying a positive voltage to the proper
-) The band switching is done by applying a positive voltage to the proper+
 diode to activate the proper crystal.\\ ​ diode to activate the proper crystal.\\ ​
 \\ \\
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 on one end. And then 80 will be the second one over and 40 the third pin on one end. And then 80 will be the second one over and 40 the third pin
 in. So when you switch to 40 meters just make sure that the switching in. So when you switch to 40 meters just make sure that the switching
-voltage is there and stable. ​ If that voltage is there, ​Don'​t ​Check+voltage is there and stable. ​ If that voltage is there, ​don'​t ​check
 ...  REPLACE ... D12. D12 is the PIN switching diode for the 40 meter ...  REPLACE ... D12. D12 is the PIN switching diode for the 40 meter
 crystal. These switching diodes have been a very common problem/​repair for crystal. These switching diodes have been a very common problem/​repair for

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