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SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE | Radioaficion Ham Radio

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE

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SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

MODIF EXPORT SUPERSTAR 3900 EFT

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

MOVE THE STRAP J28 OF A NOTCH IN THE SENSE OF THE ARROW MOVE

THE CONNECTOR J4 ON THE CONNECTOR J2 DELETE THE WELDED

RESISTANCE ON IC5 ( weld side)

  • VR 13 MODULATION SSB
  • VR 17 POWER SSB
  • VR 16 MODULATION AM
  • VR 14 POWER AM/FM
  • VR 18 ADJUSTMENT MINIMUM POWER
  • VR 9 VU-METER TX

IMAGES MOD SUPERSTAR 3900 EFT

DELETE THE WELDED RESISTANCE ON IC5 ( weld side)

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

Take down the screw on the echo board

You can move the echo board to reach the wire which is on J4 : deconnect the wire on J4

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

the connector J2 in the middel of the wires

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

CONNECT the wire J4 on the connector J2

SUPER STAR 3900-EFT MODIFY FREQUENCY RANGE AND POWER

MOVE THE STRAP J28 on the right

MODIF EXPORT SUPERSTAR 3900 EFT

MODIF EXPORT SUPERSTAR 3900 EFT

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