Kenwood 144MHz FM TRANSCEIVER K2E Service Manual page 38

TH-K2AT/K2E/K2ET
Item Condition
8.AF output 1) Frequency: 145.050MHz
Check
Frequency: 146.050MHz
SSG output: –53dBm (501uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
AF distortion: 10%
9.Current Squelch level: 5
Drain 1) Frequency: 145.050MHz
Check
Frequency: 146.050MHz
SSG output: OFF
2) Frequency: 145.050MHz
Frequency: 146.050MHz
SSG output: –53dBm (501uV)
SSG MOD: 1kHz
SSG DEV: 3kHz
VOL knob: Max
Transmitter section
Item Condition
1.TX power Battery terminal voltage:
Write (Battery 7.5V
Note: Adjust the output voltage from DC power supply until the voltage at the battery terminal be-
terminal: 7.5V)
comes 7.5V while the transceiver is transmitting.
Switch to Adjustment mode
and carry out the operations
for adjustment item F.
(Refer to page 29)
1)LCD display: P7L,
Frequency: 144.000MHz
PTT: ON
2)LCD display: P7C,
High power Frequency: 145.000MHz
PTT: ON
3) LCD display: P7H,
Frequency: 145.995MHz
PTT: ON
Switch to Adjustment mode
and carry out the operations
for adjustment item G.
(Refer to page 30)
4)LCD display: P7L,
Frequency: 144.000MHz
PTT: ON
Mid power 5) LCD display: P7C,
Frequency: 145.000MHz
PTT: ON
38
ADJUSTMENT
Measurement
Test equipment
SSG
(E, E3) Oscilloscope
Distortion meter
(K, K2, M, M2) AF V.M
SSG
(E, E3) Am meter
(K, K2, M, M2)
(E, E3)
(K, K2, M, M2)
Measurement
Test equipment
DC power supply
DVM
Power meter
Am meter
Unit Terminal Unit Parts
TX-RX ANT
(A/3) SP
Unit Terminal Unit Parts
TX-RX B
(A/3) GND
ANT Encoder
[MENU]
Encoder
[MENU]
Encoder
[MENU]
Encoder
[MENU]
Encoder
[MENU]
Adjustment
Specifications/
Remarks
Method
Check 400mW or more
Check 80mA or less
400mA or less
Adjustment
Specifications/
Remarks
Method
Note: Do not
use the DC IN
terminal.
Write 4.8W ±0.05W
2.0A or less
Write
Write
Write 1.5W ±0.05W
1.4A or less
Write