Icom IC-R100 - Preamp Adjustment; AFC Adjustment; Squelch Adjustment

RECEIVER ADJUSTMENT (CONTINUED)
ADJUSTMENT
MEASUREMENT POINT
VALUE
UNIT LOCATION UNIT | ADJUST
PRE AMP 1 | e Displayed frequency: Function | S indicator 3 dots (S5) PLL R73
144.100 MHz (FRG version) display
120.100 MHz (All other versions
• Mode T EM LEE БЕРЕН
* [PRE/ATT] switch :ON
* Set the signal generator;
Level : 1.8 и\* (— 102 dBm)
Modulation: OFF
AFC * Displayed frequency: MAIN | Connect the OV MAIN R55
144.100 MHz (FRG version) oscilloscope to J9,
120.100 MHz (All other versions) pin 3.
• Mode : FM
e [PRE/ ATT] switch : OFF
• Set the signal generator;
Level : 3.2 uV* (- 97 dBm)
Modulation: OFF
Shift the signal generator frequency:
+2 kHz
3 | Shift the signal generator frequency: Connect the Verify
` oscilloscope to J9,
pin 4.
Shift the signal generator frequency: Connect the
一 5 kHz oscilloscope to J9,
pin 2.
SQUELCH е Displayed frequency: Bottom | Speaker Squelch threshold Front |[SQUELCH]
144.100 MHz (FRG version) cover point is between the 9 panel control
120.100 MHz (All other versions)
* Mode :FM
e [PRE/ATT] switch : OFF
* Apply no signal to the antenna
connector. |
• Моде : AM
е Mode : МЕМ
o'clock and 11 o'clock.
* This output level of the standard signal generator (SSG) is indicated as SSG's open circuit.
ADJUSTMENT ADJUSTMENT CONDITIONS
Same position as FM MAIN R115
mode.