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.