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DX1200-DX1600 conversion

1. Remove solder connection the two yellow 2200K caps together
2. Remove red wire of oscillator board and attached 33-ohm resistor
3. Unsolder the green wire of the oscillator board from the orange wire
4. Remove black wire from keying jack
5. Remove oscillator board
6. Remove the 33-pf cap in parallel with 15-pf cap next to the small relay
7. Remove purple jumper wire attached to large relay
8. Solder leg of yellow 2200K cap to large relay where purple wire was
9. Remove the two 330-pf caps in series connected to the large toroid
10. Solder the orange wire to the radio antenna connector