3 - 4
*This output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.
0 dBm
0 dBm
#03: ±3.0 kHz
#04: ±1.5 kHz
±3 kHz
At the point
where the volt-
age just switches
H (5 V) to L (0 V).
Turns off [TX]
LED at 10 V.
(stop transmit-
ting)
Turns on [TX]
LED at 11 V.
(start transmit-
ting)
Maximum volt-
age
At the point where
the [BUSY] LED just
turns on.
At the point where
the audio signal just
appears.
1
2
1
2
1
2
3
4
1
1
2
• [LOCAL INHIBIT] switch : ON
• Connect an SSG to the [RX ANT]
connector and set as :
Level
: 1 mV* (–60 dBµ)
Deviation
: ±3.0 kHz (#03)
±1.5 kHz (#04)
Modulation
: 1 kHz
• Receiving
• [LOCAL INHIBIT] switch : ON
• Set an FM deviation meter as:
HPF
: OFF
LPF
: 20 kHz
De-emphasis : OFF
Detector
: (P–P)/2
• Connect an AG to [ACC1] socket (J9
pin 33, 14) and set as
: 1 kHz/ 100 mV
• Transmitting
• Connect an AG to [ACC1] socket (J9
pin 6, 14) and set as
Level
: 1 kHz/100 mV
• Transmitting
• Connect an RF power meter or a ter-
minator to the [TX ANT] connector.
• R99, R102 (LOGIC unit)
: Max. CCW
• Apply DC voltage : 11 V
• Apply DC voltage : 10 V
• Decrease applied DC voltage 13.8 V
to 9 V.
• Transmitting
• Increase applied DC voltage 9 V to
13.8 V.
• Transmitting
• [LOCAL INHIBIT] switch : ON
• Receiving freq.
: 415.000 MHz
• Connect an SSG to the [RX ANT]
connector and set as :
Level
: 3.2 µV* (–97 dBm)
Deviation
: ±3.0 kHz [#03]
: ±1.5 kHz [#04]
Modulation
: 1 kHz
• Receiving
• [LOCAL INHIBIT] switch : ON
• Receiving freq
: 415.000 MHz
• Connect an SSG to the [RX ANT]
connector and set as :
Level
: 0.32 µV* (–10 dBµ)
Modulation
: OFF
• Receiving
• [LOCAL INHIBIT] switch : OFF
• R91 (LOGIC unit) : Max. CW
• Set an SSG as:
Level
: 0.22 µV* (–13 dBµ)
• Receiving
ACC OUPUT
LEVEL (DO)
ACC OUPUT
LEVEL (LO)
ACC INPUT
LEVEL (LI)
ACC INPUT
LEVEL (DI)
REGULATOR
OUTPUT
VOLTAGE
SENSITIVITY
SQUELCH
LEVEL
Rear
panel
Rear
panel
LOGIC
Rear
RX
FRONT
Connect a millivolt-
meter and 600
Ω
ter-
minator in parallel to
[ACC1] socket (J9 pin
5, 7).
(J9 pin 13, 7)
Connect an FM devia-
tion meter to the
[TX ANT] connector
through an attenuator.
Connect a digital multi-
meter to check point
CP1.
Connect a digital multi-
meter to check point
CP2.
Connect a DC volt-
meter between the
+
and
Ð
terminals at DC
power socket.
Connect a digital multi-
meter to check point
CP.S.
[BUSY] LED
Speaker output
LOGIC
LOGIC
LOGIC
Front
RX
FRONT
LOGIC
R30
(DO)
R35
(LO)
R52
(LI)
R83
(DI)
R99
(VD, H)
R102
(VD, L)
Verify
Adjust in
sequence
L1,
L2,
L4,
L6,
L7,
L9
[SQUELCH]
control
R91
(SQL)
ADJUSTMENT
ADJUSTMENT CONDITIONS
UNIT
LOCATION
VALUE
UNIT
ADJUST
MEASUREMENT
ADJUSTMENT
3-3 ACC LEVELS, REGULATOR OUTPUT AND RECEIVER ADJUSTMENTS
