Icom IC-7000 Service Manual - Page 24

Drive Minhf/50 M, Alc144 M, Alc430 M, Swr=1, Adjustment, Adjustment Condition, Display, Operation

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4-4 TRANSMITTER ADJUSTMENT (continue) ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATION ALC 1 • Connect an RF power meter to [ANT1] connector. • Connect an audio generator to [MIC] connector and set as; Level : 1.5 kHz/30 mV • Transmitting ALC Drive Min 1 • Set an audio generator as; (HF/50 MHz) Level : 1.5 kHz/20 mV • Transmitting Drive Min(HF/50 M) ALC (144 MHz) 1 • Connect an RF power meter to [ANT2] connector. • Connect an audio generator to [MIC] connector and set as; Level : 1.5 kHz/30 mV • Transmitting ALC(144 M) Drive Min (144 MHz) 1 • Set an audio generator as; Level : 1.5 kHz/20 mV • Transmitting Drive Min(144 M) ALC (430 MHz) 1 • Connect an RF power meter to [ANT2] connector. • Connect an audio generator to [MIC] connector and set as; Level : 1.5 kHz/30 mV • Transmitting ALC(430 M) Drive Min (430 MHz) 1 • Set an audio generator as; Level : 1.5 kHz/20 mV • Transmitting Drive Min(430 M) SWR 1 • Connect a 50 Ω dummy load to [ANT1] connector. • Transmitting SWR=1 2 • Connect a 100 Ω dummy load to [ANT1] connector. • Transmitting SWR=2 After the adjustment, exit the adjustment mode. Push [F-4 (SET)]. Push [F-4 (SET)]. Push [F-4 (SET)]. Push [F-4 (SET)]. Push [F-4 (SET)]. Push [F-4 (SET)]. Push [F-4 (SET)]. Push [F-4 (SET)]. ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT UNIT LOCATION VALUE ID APC RESIDUAL AM 1 • Operating freq. : 18.10000 MHz • MODE : USB • Preset R1618 (MAIN unit) as illustration at right. • Connect a wire between CP1601 (MAIN unit) and ground. • Connect an RF power meter or dummy load to [ANT1] connec- tor. • Connect an audio generator to [MIC ] connector and set as; Level : 1.5 kHz/30 mV • Transmitting REAR panel Connect a DC ammeter (30 A type) between the DC power supply and transceiver. 22 A After the adjustment, disconnect the wire between CP1601 and ground. 1 • Operating freq. : 10.10000 MHz • MODE : FM • Connect an audio generator to [MIC] connector and set as; Level : 1 kHz/30 mV • Transmitting REAR panel Connect an RF power meter to [ANT1] connector. Maximum output power ADJUSTMENT UNIT ADJUST MAIN R1618 MAIN L701 4 - 9

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4-4 TRANSMITTER ADJUSTMENT (continue)
ADJUSTMENT
ADJUSTMENT CONDITION
DISPLAY
OPERATION
ALC
1
•
Connect an RF power meter to
[ANT1] connector.
•
Connect an audio generator to
[MIC] connector and set as;
Level
: 1.5 kHz±30 mV
• Transmitting
ALC
Push [F-4 (SET)].
Drive Min
(HF±50 MHz)
1
•
Set an audio generator as;
Level
: 1.5 kHz±20 mV
• Transmitting
Drive Min(HF/50 M)
Push [F-4 (SET)].
ALC (144 MHz)
1
•
Connect an RF power meter to
[ANT2] connector.
•
Connect an audio generator to
[MIC] connector and set as;
Level
: 1.5 kHz±30 mV
• Transmitting
ALC(144 M)
Push [F-4 (SET)].
Drive Min
(144 MHz)
1
•
Set an audio generator as;
Level
: 1.5 kHz±20 mV
• Transmitting
Drive Min(144 M)
Push [F-4 (SET)].
ALC (430 MHz)
1
•
Connect an RF power meter to
[ANT2] connector.
•
Connect an audio generator to
[MIC] connector and set as;
Level
: 1.5 kHz±30 mV
• Transmitting
ALC(430 M)
Push [F-4 (SET)].
Drive Min
(430 MHz)
1
•
Set an audio generator as;
Level
: 1.5 kHz±20 mV
• Transmitting
Drive Min(430 M)
Push [F-4 (SET)].
SWR
1
•
Connect a 50
Ω
dummy load to
[ANT1] connector.
• Transmitting
SWR=1
Push [F-4 (SET)].
2
•
Connect a 100
Ω
dummy load to
[ANT1] connector.
• Transmitting
SWR=2
Push [F-4 (SET)].
After the adjustment, exit the adjustment mode.
4 - 9
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
ADJUSTMENT
UNIT
LOCATION
UNIT
ADJUST
ID APC
1
REAR
panel
Connect a DC ammeter
(30 A type) between the
DC power supply and
transceiver.
22 A
MAIN
R1618
After the adjustment, disconnect the wire between CP1601 and ground.
RESIDUAL
AM
1
• Operating freq. : 10.10000 MHz
• MODE
: FM
•
Connect an audio generator to
[MIC] connector and set as;
Level
: 1 kHz±30 mV
• Transmitting
REAR
panel
Connect an RF power
meter to [ANT1] connec-
tor.
Maximum
output power
MAIN
L701
• Operating freq. : 18.10000 MHz
• MODE
: USB
•
Preset R1618 (MAIN
unit) as illustration at
right.
•
Connect a wire between CP1601
(MAIN unit) and ground.
•
Connect an RF power meter or
dummy load to [ANT1] connec-
tor.
•
Connect an audio generator to
[MIC ] connector and set as;
Level
: 1.5 kHz±30 mV
• Transmitting