Icom IC-2100H Service Manual

4-2
PLL
ADJUSTMENTS
ADJUSTMENT
ADJUSTMENT
CONDITION
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT
LOCATION
UNIT
ADJUST
PLL LOCK
VOLTAGE
1
•
Displayed
frequency
:
145.000
MHz
•
Receiving
MAIN
Connect
a digital
multi-meter
or
oscil-
loscope
to
the
check
point CPI.
1.25-1.30
V
MAIN
L35
2
•
Transmitting
1.45-1.55
V
L2
PLL
REFERENCE
FREQUENCY
1
•
Displayed
frequency
:
145.000
MHz [EUR,
TPE,
THA]
146.000
MHz [ITA,
USA, SEA,
LA]
•
Output power :
Low
•
Transmitting
Rear
Pane!
Loosely
couple the
frequency
counter
to the
antenna
con-
nector.
145.00000
MHz
[EUR,
TPE,
THA]
146.00000
MHz
[ITA,
USA,
SEA, LA]
MAIN
C119
DC power
supply
13.8
V/
20 A
L35
PLL
lock voltage
adjustment for
RX
CP1
PLL
lock
voltage
check
point
L2
PLL
lock
voltage
adjustment for TX
C119
Reference
frequency
adjustment
4-2
for free by
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Icom IC-2100H Specifications

General

Frequency Range	144-148 MHz
Mode	FM
Channels	200
Power Supply	13.8V DC
Antenna Connector	SO-239
Type	Mobile
Dimensions	140 x 40 x 132 mm