Reference Adjustment; Hf Receive Adjustment - Icom IC-R8600 Service Manual

5-2

REFERENCE ADJUSTMENT

• Touch [REF] on the main menu screen.
NOTE: DO NOT change the test equipment output level until the second beeps sound.
ADJUSTMENT ADJUSTMENT ITEM DISPLAY
1 –
PREPARATION
2 REF OSC
REFERENCE
FREQUENCY
3 REFULK ck
PLL UNLOCK
4 PULK0 ck
5 PULK1 ck
6 PULK2 ck
• After the adjustment, the receiver shows the reference adjustment menu.
• Push [EXIT] to return to the main menu screen.
5-3

HF RECEIVE ADJUSTMENT

• Touch [HF-RX] on the main menu screen.
NOTE: DO NOT change the test equipment output level until the second beeps sound.
ADJUSTMENT ADJUSTMENT ITEM DISPLAY
1 –
PREPARATION
2 HF Total Gain PRE OFF ref
HF TOTAL GAIN
(Preamp OFF)
3 HF Total Gain PRE OFF set
4 HF Total Gain PRE ON ref
HF TOTAL GAIN
(Preamp ON)
5 HF Total Gain PRE ON set
6 HF S0 LEVEL
HF S-METER
7 HF S9 LEVEL
8 HF S9+60 LEVEL
9 HF dBu –10dBu
10 HF dBu 0dBu
11 HF dBu 10dBu
12 HF dBu 20dB
13 HF dBu 40dBu
14 HF dBu 60dBu
15 HF dBu 80dBu
: The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
†
CONDITION
–
• Connect the test equipment to the
[ANT1], and set as shown below:
Frequency: 250.0 MHz
Modulation: None
Level: +40 dBμ (–67 dBm)
†
CONDITION
–
• Connect the test equipment to the
[ANT1], and set as shown below:
Frequency: 14.1515 MHz
Modulation: None
Level: +60 dBμ (–47 dBm)
†
• Set the test equipment level to:
Level: OFF
• Set the test equipment level to:
Level: +60 dBμ (–47 dBm)
†
• Set the test equipment level to:
Level: OFF
• Set the test equipment level to:
Level: +4 dBμ (–103 dBm)
†
• Set the test equipment level to:
Level: +34 dBμ (–73 dBm)
†
• Set the test equipment level to:
Level: +94 dBμ (–13 dBm)
†
• Set the test equipment level to:
Level: –10 dBμ (–117 dBm)
†
• Set the test equipment level to:
Level: 0 dBμ (–107 dBm)
†
• Set the test equipment level to:
Level: +10 dBμ (–97 dBm)
†
• Set the test equipment level to:
Level: +20 dBμ (–87 dBm)
†
• Set the test equipment level to:
Level: +40 dBμ (–67 dBm)
†
• Set the test equipment level to:
Level: +60 dBμ (–47 dBm)
†
• Set the test equipment level to:
Level: +80 dBμ (–27 dBm)
†
5-3
OPERATION
Touch [REF] to start
the reference frequency
adjustment.
Touch [SET].
(A beep sounds, and then
another beeps sound
after the adjustment is
completed.)
OPERATION
Touch [HF-G] to start the
HF total gain adjustment.
Touch [SET].
(A beep sounds, and then
another beeps sound
after the adjustment is
completed.)
Touch [SET].
(A beep sounds, and then
another beeps sound 10
seconds later.)
Touch [SET].
(A beep sounds, and then
another beeps sound
after the adjustment is
completed.)
Touch [SET].
(A beep sounds, and then
another beeps sound 10
seconds later.)
Touch [SET].
(A beep sounds, and then
another beeps sound 1
second later.)