Icom IC-775 Service Manual

5-5 TUNER
UNIT
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT
CONDITIONS
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT
LOCATION
UNfT
ADJUST
DETECTION
VOLTAGE
1 •
Displayed
frequency ; 28.000000
MHz
•
Mode
FM
.
SW1
(CTRL unit)
: SET
•
Connect a
50 ii
dummy load to
[ANT1]
connector.
•
Ground J13
on the
CTRL unit
with
a
wire.
•
[PWR] control
:
Maximum
•
Transmitting
CTRL Connect a
digital
multi-
meter or
oscilloscope
to
CP1.
Minimum
voltage CTRL C134
2 •
Turn power OFF,
then turn
power ON
again
while pushing
[NB],
[ENT] and
[TUNER].
Front
panel
Function
display
"PUSH" is
displayed.
Verify
3 •
Push
[TUNER]
while indicating
"PUSH" to
memorize the
reference
voltage.
"END"
is
displayed
after
automatic trans-
mission.
Verify
NOTE:
After tuner
adjustment, reset
SW1 to "USE,"
then remove
the wire
from
J1
3.
•
CTRL
UNIT
C134
CPI
Detection
voltage
adjustment
Detection
voltage
check
point
5-14

Icom IC-775 Specifications

General

Brand	Icom
Model	IC-775
Category	Transceiver
Language	English