Icom IC-Q7A Service Manual page 15

5-3 RECEIVER ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
* Displayed frequency :
(tk ch) 145.600 MHz
• Connect an SSG to the antenna
connector and set as:
Level 11 IV"
(-107 dBm)
: 1 kHz
: +3.5 kHz
Modulation
Deviation
* Receiving
* Displayed frequency :
(tk ch) 435.600 MHz
* Receiving
MEASUREMENT
LOCATION
Connect the DC
voltmeter to the
check point SEN.
* Displayed frequency :
(RS ch) 145.100 MHz
* Connect the SSG to the antenna
connector and set as:
Level :0.4 им"
(– 115 dBm)
:1kHz
: + 3.5 kHz
Modulation
Deviation
* Receiving
* Displayed frequency :
(RS ch) 435.100 MHz
* Set the SSG as :
Level :0.5 им"
(– 113 dBm)
* Receiving
* Displayed frequency :
(RS ch) 230.100 MHz
* Set the SSG as :
Level :0.5 IV"
(- 113 dBm)
* Receiving
• Displayed frequency :
(RS ch) 851.100 MHz
* Set the SSG as :
Level :0.5 IV"
(– 113 dBm)
* Receiving
* Displayed frequency :
(RS ch) 1280.100 MHz
* Set the SSG ав:
Level 11 IV"
(– 107 аВр)
* Receiving
*This output level of the standard signal generator (SSG) is indicated as SSG's open circuit.
ADJUSTMENT
Maximum DC voltage | LOGIC
[DIAL]
Push and hold the [CALL] key.
e Verify that S-Meter shows S4 (3dots).