
5 - 12
ADJUSTMENT MODE—continued
RX
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
DISPLAY
OPERATION
• Connect an SSG to [ANT 144M]
connector and set as:
Frequency
: 108.021500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
• Set an SSG as :
Frequency
: 143.981500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
• Set an SSG as :
Frequency
: 144.021500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
• Set an SSG as :
Frequency
: 173.981500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
6
7
8
9
Push [[F5 (
SET
)] to tune the “BPF-
1”, and to step next.
Push [[F-5 (
SET
)] to tune the “BPF-
2”, and to step next.
Push [[F-5 (
SET
)] to tune the “BPF-
3”, and to step next.
Push [[F-5 (
SET
)] to tune the “BPF-
4”, and return to the opening display.
chk SET
Tuned BPF-1
chk SET
Tuned BPF-2
chk SET
Tuned BPF-3
chk SET
Tuned BPF-4
*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.
Summary of Contents for IC-7400
Page 1: ...HF VHF TRANSCEIVER i7400 SERVICE MANUAL ...
Page 63: ...to S LOGIC board J303 DS1002 9 2 DISPLAY BOARD TOP VIEW 9 3 for free by RadioAmateur eu ...
Page 72: ...9 12 1 9 18 10 BOTTOM VIEW RF UNIT for free by RadioAmateur eu ...
Page 74: ... BOTTOM VIEW CTRL UNIT 9 14 for free by RadioAmateur eu ...
Page 76: ... BOTTOM VIEW TUNER UNIT 9 16 for free by RadioAmateur eu ...
Page 78: ...9 18 BOTTOM VIEW PA UNIT for free by RadioAmateur eu ...
Page 92: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13811HZ C2 2002 Icom Inc ...