Icom IC-F3GS service manual Software Adjustment DC Power Supply, PLL Adjustment

• CONNECTION

Standard signal generator

0.1∝V to 32 mV (–127 dBm to –17 dBm)

to the antenna connector to [MIC]

Audio generator

CAUTION:

DO NOT transmit while SSG is connected to the antenna connector.

Personal computer

to an RS-232C port

FM

deviation meter

Attenuator

40 dB or 50 dB

RF power meter 0.1–10 W/50 Ω

Frequency

counter

OPC-478

DB9 female plug

(incl. level converter circuit)

Speaker (8 Ω )

to [SP]

SINAD meter

JIG cable

• DC POWER CABLE CONNECTIONS

SOFTWARE ADJUSTMENT

+

DC POWER

– SUPPLY

DC POWER

SUPPLY

Soldering

DC cable here

PLL ADJUSTMENT

+

–

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