Receiver Adjustment - Icom IC-R2 Service Manual

5-3 RECEIVER ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITION
VHF 1 • Displayed frequency :
SENSITIVITY
• Connect an SSG to the antenna
connector and set as :
Level
Modulation : 1 kHz
Deviation : ±3.5 kHz
• Receiving
UHF 1 • Displayed frequency :
SENSITIVITY
• Connect an SSG to the antenna
connector and set as:
Level
Modulation : 1 kHz
Deviation : ±3.5 kHz
• Receiving
S-METER 1 • Displayed frequency :
• Connect the SSG to the antenna
connector and set as :
Level
Modulation : 1 kHz
Deviation : ± 3.5 kHz
• Receiving
2 • Displayed frequency :
• Set the SSG as :
Level
• Receiving
• Displayed frequency :
3
• Set the SSG as :
Level
• Receiving
4 • Displayed frequency :
• Set the SSG as :
Level
• Receiving
5 • Displayed frequency :
• Set the SSG as :
Level
• Receiving
6 • Displayed frequency :
• Set the SSG as :
Level
• Receiving
*This output level of the standard signal generator (SSG) is indicated as SSG's open circuit.
(tk ch) 145.600 MHz
: 1 µV (–107 dBm)
*
(tk ch) 435.600 MHz
: 1 µV (–107 dBm)
*
(RS ch) 14.100 MHz
: 0.5 µV (–113 dBm)
*
(RS ch) 145.100 MHz
: 0.5 µV (–113 dBm)
*
(RS ch) 200.100 MHz
: 0.5 µV (–113 dBm)
*
(RS ch) 435.100 MHz
: 0.5 µV (–113 dBm)
*
(RS ch) 650.100 MHz
: 0.5 µV (–113 dBm)
*
(RS ch) 1100.100 MHz
: 1 µV (–107 dBµ)
*
MEASUREMENT
UNIT LOCATION
RF Connect the DC
voltmeter to the
check point SEN.
RF Connect the DC
voltmeter to the
check point SEN.
5 - 5
ADJUSTMENT
VALUE
UNIT
Maximum DC voltage LOGIC
Maximum DC voltage LOGIC
Push and hold the [MOD] key.
• Verify that S-Meter shows S4 (3dots).
POINT
ADJUST
[DIAL]
[DIAL]