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IC-448A EXPANDED RF | Radioaficion Ham Radio

IC-448A EXPANDED RF

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ICOM IC-448A - EXPANDED RF

1. Remove power and antenna.

2. Remove screws and open the case.

3. Remove diode D19

4. Remove chip diode D9

5. Solder bridge Pads A & B

6. Install Diode D7. (part # 1SS193)

7. Reassemble the radio.

8. Reset the microprocessor (Push and hold [SQUELCH/MONITOR] & [LOCK] and turn power on.

Note : Discriminator output on pin 9 of IC 1 (MC3357P)

ICOM IC-448A - EXPANDED RF

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