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EL

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Switzerland

 

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+41 (0) 31 792 04 61 
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Modification VFO 

reversal of rotations 

Yaesu FT-301D 

 

 

 

 

 

 

Modification instructions

 

 

 

April 10, 2019 

Содержание FT-301D

Страница 1: ...nnhaldenstrasse 8 3510 Konolfingen Switzerland Telefon Fax E Mail Shop 41 0 31 792 04 61 41 0 31 792 04 62 info elcon ch http shop elcon ch Modification VFO reversal of rotations Yaesu FT 301D Modific...

Страница 2: ...e variable capacitor 4 2 1 Removing the spreaders in the VFO variable capacitor 4 2 2 Mechanical adjustment of the VFO variable capacitor 5 2 3 Functional test 6 3 Changing the direction of rotation o...

Страница 3: ...fferent bands Band Crystal Thus the VFO frequency runs in opposite direction to the premixer frequency and thus also to the transmit frequency Tx frequency Figure 2 The variable capacitor of the VFO i...

Страница 4: ...Removing the spreaders in the VFO variable capacitor Remove the four screws and the VFO cover Remove very carefully without bending the rotor plate of the variable capacitor VC801 both fiber glass sp...

Страница 5: ...unit so that the open variable capacitor is easily accessible from above and the tuning knob at the front Loosen do not unscrew the two grub screws of the gear wheel on the axis of the rotary capacito...

Страница 6: ...hear the noise over the entire tuning range without interruption If the noise suddenly decreases at any position of the VFO knob the rotor plates of the variable capacitor are touching the stator In...

Страница 7: ...ability Any actions based on the information contained in this document are taken at the user s own responsibility Any liability is excluded both for direct and indirect damages and consequential dama...

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