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Note
Precision parts are used for the PTT, side1, and side2 switches.
In order to avoid damaging these switches, do not press them using your fingers. However, if it is necessary to press these
switches, be sure to press them at 90˚ angles, pressing them at other angles can easily damage the parts.
Common Section
Item
Condition
1. Setting
1) BATT terminal voltage:7.5V
2) SSG Standard modulation
[Wide] MOD:1kHz, DEV:3kHz
[Narrow] MOD:1kHz, DEV:1.5kHz
[Semi wide]
MOD:1kHz, DEV:2.4kHz
2. VCO lock
[Panel Test Mode]
voltage
1) CH-Sig:2-1
RX
2) CH-Sig:3-1
TX
3) CH-Sig:2-1
PTT:ON
4) CH-Sig:3-1
PTT:ON
Transmitter Section
Item
Condition
1. Frequency
1) PTT:ON
Adjust
2. Max Power 1) Adj item [HPOW]
Check
Adjust [256]
2) Adj item
.
[H
P O W]
Adjust [256]
PTT:ON
3. Hight Power 1) Adj item [HPOW]
Adjust
Adjust [∗∗∗]
2) Adj item
.
[H
P O W]
Adjust [∗∗∗]
PTT:ON
4. Hight Power [Panel Test Mode]
Check
1) CH-Sig:1-1
PTT:ON
2) CH-Sig:2-1
PTT:ON
3) CH-Sig:3-1
PTT:ON
5. Low Power 1) Adj item [LPOW]
Adjust
Adjust [∗∗∗]
2) Adj item
.
[L
P O W]
Adjust [∗∗∗]
PTT:ON
ADJUSTMENT
Measurement
Test equipment
Power meter
DVM
Measurement
Test equipment
Freq. Counter
Power meter
Am meter
.
.
.
.
.
.
[H
P
O W]
[H
P
O
W]
[H
.
.
.
.
.
.
[H
P
O W]
[H
P
O
W]
[H
.
.
.
.
.
.
[L
P
O W]
[L
P
O
W]
[L
P
Terminal
Parts
ANT
CV(LV)
Terminal
Parts
ANT
VR1
.
.
.
.
.
.
. .
P
O
W
]
[H
P
O
W
]
Encoder
knob
.
.
.
.
.
.
. .
P
O
W
]
[H
P
O
W
]
Encoder
knob
.
.
.
.
.
.
. .
O
W
]
[L
P
O
W
]
TK-372G
Adjustment
Specifications/
Remark
Method
Check
0.8V or more
4.0V ± 0.1V (K)
4.0V ± 0.1V (K4)
4.1V ± 0.1V (K2)
0.8V or more
4.0V ± 0.1V (K,
K2, K3)
3.5V ± 0.1V (K4)
Adjustment
Specifications/
Method
Center frequency
(460.0 MHz) ± 100Hz (K)
(416.5 MHz) ± 100Hz (K4)
(480.0 MHz) ± 100Hz (K2)
(501.0 MHz) ± 100Hz (K3)
Check
4.2W or more
±0.1W
4.2W
2.2A or less
Check
3.0~5.0W
2.3A or less
±0.1W
1.0W
1.0A or less
Remark
37
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