Icom IC-756PROII Service Manual page 26

TRANSMITTER ADJUSTMENTS—continued
ADJUSTMENT ADJUSTMENT CONDITION
Ic APC 1 • Display frequency: 3.550000 MHz
• Mode
• Connect CP501 to GND.
• Transmitting
1 • Display frequency: 14.100000 MHz
HF BANDS
OUTPUT • Mode
POWER • [RF POWER]
• [TUNER]
• Transmitting
50 MHz BAND 1 • Display frequency: 51.000000 MHz
• Mode
OUTPUT
POWER • [RF POWER]
• [TUNER]
• Transmitting
AM 1 • Display frequency: 29.60000 MHz
• Mode
CARRIER
• [RF POWER]
• [MIC GAIN]
• Apply no audio signals to [MIC]
connector.
• Transmitting
FM 1 • Displayed freq.
DEVIATION • Mode
• Filter
• [RF POWER]
• [MIC GAIN]
• Connect an audio generator to
[MIC] connector and set as:
Frequency
Level
• Transmitting
AM 1 • Display frequency: 14.10000 MHz
• Mode
MODULATION
• [MIC GAIN]
• [RF POWER]
• Connect an audio generator to
[MIC] connector and set as:
Frequency
Level
• Transmitting
MEASUREMENT
UNIT
Rear
: RTTY panel
Rear
: RTTY panel
: Max. CW
: OFF
Rear
: RTTY panel
: Max. CW
: OFF
Rear
: AM panel
: Max. CW
: Center
: 29.60000 MHz Rear
: FM panel
: 15 kHz
: Max. CW
: Center
: 1 kHz
: 10 mVrms
Rear
: AM panel
: Center
: Max. CCW
: 1 kHz
: 10 mVrms
4 - 6
LOCATION
Connect an ammeter
between power sup-
ply and the IC-
™
756PRO .
Connect an RF
power meter to
[ANT1] connector.
Connect an RF
power meter to
[ANT1] connector.
Connect an RF
power meter to
[ANT1] connector.
Connect an FM devi-
ation meter to [ANT1]
connector through an
attenuator.
Connect a modula-
tion analyzer to
[ANT1] connector
through an attenua-
tor.
ADJUSTMENT
POINT
VALUE
UNIT ADJUST
23 A MAIN-A
100 W MAIN-A
100 W MAIN-A
40 W MAIN-A
±4.5 kHz DSP-A
90% DSP-A
R545
R507
R509
R510
R2227
R2229