Icom IC-F8101 Service Manual page 24

5-2 RECIEVE ADJUSTMENTS
TRANSCEIVER'S
ADJUSTMENT
CONDITION
RX 1 • Channel:
ADJUSTMENT • Receiving
PRESET
2
3
RX 1 • Channel:
1ST MIXER • Mode:
• Receiving
2
RX IF 1 • Channel:
• Mode:
2
• Receiving
3
4
• ADJUSTMENT POINTS ON THE MAIN-A UNIT
RX IF ADJUSTMENT POINTS
RX 1ST MIXER
ADJUSTMENT POINTS
OPERATION
1 • Set the preset values.
• Connect the SP-35L to [SP].
• Set the values.
2 • Connect an AC millivoltmeter to
USB [SP].
3 • Test equipment
USB Frequency: 12.9 MHz
Set the test equipment's output level
so that the 1 kHz tone audio is heard.
• Connect an AC millivoltmeter to
[SP].
ADJUSTMENT
Simple 26/30,
Simple 27/30
(Factory Menu)
(Rear panel)
Simple 26/30,
Simple 27/30
(Factory Menu)
(MAIN-A UNIT)
Test equipment's setting
(MAIN-A UNIT)
5-5
VALUE
ITEM
"SSB SQL" "0"
"0"
"AM SQL"
External Noise sound is
speaker heard.
"SSB SQL" "18"
"18"
"AM SQL"
12 o'clock posi-
tion.
R1411, R1412 (Preset)
R1411, R1412 Minimum AF
(Repeatedly) output level.
1 kHz tone
audio is heard.
L1417, L1437, Maximum AF
L1442, L1446 output level.