Receive Adjustment (V/U1) - Icom IC-R9500 Service Manual

NOTE: HOLD the adjustment condition (SG level and frequency etc.) until next ADJ item is displayed.
ADJUSTMENT ITEM
ATTENUATION
[HF ATT 6dB]
[HF ATT 12dB]
[HF ATT 24dB]
ROOFING FILTER LOSS
[HF FIL 3k LOSS]
[HF FIL 6k LOSS]
[HF FIL 50k LOSS]
4-5 RECEIVE ADJUSTMENTS (VHF and UHF) [RX-V/U]
• Push [F-2•RX V/U] key to select RX V/U ADJUSTMENT.
• Connect an AC milivoltmeter to the [EXT-SP] jack.
• Connect an SG to [ANT1/HF ANT3], and set as;
Modulation
NOTE: HOLD the adjustment condition (SG level and frequency etc.) until next ADJ item is displayed.
ADJUSTMENT ITEM
TUNED LPF
[Tuned LPF LOW]
[Tuned LPF MID1]
[Tuned LPF MID2]
[Tuned LPF HIGH]
TUNED HPF
[Tuned HPF LOW]
[Tuned HPF MID1]
[Tuned HPF MID2]
[Tuned HPF HIGH]
ADJUSTMENT CONDITION
• Set the SG as;
Frequency : 14.1515 MHz
Level : +40 dBu
• Set the SG as;
Frequency : 14.1515 MHz
Level : +40 dBu
: None
ADJUSTMENT CONDITION
• Set the SG as;
Frequency : 1057.4215 MHz
Level : +50 dBu
Modulation : None
• Set the SG as;
Frequency : 1307.4215 MHz
Level : +40 dBu
(Same as above)
(Same as above)
(Same as above)
(Same as above)
(Same as above)
(Same as above)
OPERATION
Push [F-7] key.
Push [F-7] key.
Push [F-7] key.
Push [F-7] key.
Push [F-7] key.
Push [F-7] key.
OPERATION
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
Rotate [MAIN DIAL] to set the adjustment
value.
Push [F-7] key.
Rotate [MAIN DIAL] to set the adjustment
value.
Push [F-7] key.
Rotate [MAIN DIAL] to set the adjustment
value.
Push [F-7] key.
Rotate [MAIN DIAL] to set the adjustment
value.Push [F-7] key.
Rotate [MAIN DIAL] to set the adjustment
value.Push [F-7] key.
Rotate [MAIN DIAL] to set the adjustment
value.Push [F-7] key.
4 - 6
VALUE
(Automatic
adjustment)
(Automatic
adjustment)
VALUE
Minimum AF
level
"C7"
"D7"
"00"
"05"
"10"
"80"