Kenwood TK-3207 Service Manual page 35

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Frequency (MHz) C2 type
Channel No.
RX Frequency
1
415.050
2
400.050
3
429.950
4
415.000
5
415.200
6
415.400
7~16
Signalling
Signalling No.
RX
1
None
2
None
3
QT 67.0Hz
4
QT 151.4Hz
5
QT 250.3Hz
6
DQT D023N
7
DQT D754I
8
DTMF 159D
9
None
• Preparations for tuning the transceiver
Before attempting to tune the transceiver, connect the unit
to a suitable power supply.
Whenever the transmitter is tuned, the unit must be
connected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
8Ω dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during tuning.
Adjustment Frequency
TEST CH
RX Frequency
Center
470.050MHz
Low
450.050MHz
High
489.950MHz
Low'
460.050MHz
High'
480.050MHz
TEST CH
RX Frequency
Center
460.050MHz
Low
440.050MHz
High
479.950MHz
Low'
450.050MHz
High'
470.050MHz
TEST CH
RX Frequency
Center
415.050MHz
Low
400.050MHz
High
429.950MHz
Low'
407.550MHz
High'
422.550MHz
ADJUSTMENT /
TX Frequency
415.100
400.100
429.900
415.000
415.200
415.400
TX
None
100Hz Square Wave
QT 67.0Hz
QT 151.4Hz
QT 250.3Hz
DQT D023N
DQT D754I
DTMF 159D
DTMF tone 9
M type
TX Frequency
470.100MHz
450.100MHz
489.900MHz
460.100MHz
480.100MHz
C type
TX Frequency
460.100MHz
440.100MHz
479.900MHz
450.100MHz
470.100MHz
C2 type
TX Frequency
415.100MHz
400.100MHz
429.900MHz
407.600MHz
422.600MHz
调整
频率 (MHz) C2 类型
信道号码
RX 频率
1
415.050
2
400.050
3
429.950
4
415.000
5
415.200
6
415.400
7~16
信令
信令号码
RX
1
2
3
QT 67.0Hz
4
QT 151.4Hz
5
QT 250.3Hz
6
DQT D023N
7
DQT D754I
8
DTMF 159D
9
• 调谐手持机的准备
在调谐手持机之前,把装置连接到规定的电源。
任何时候调整发射,装置必须连接到合适的假负载 (即功率
表)。
在全部调谐过程中, 扬声器输出端子必须连接8Ω 假负载连接
到 AC 伏特计和音频失真仪或 SINAD 测试表。
调整频率
测试 CH
RX
中心
470.050MHz
450.050MHz
489.950MHz
低'
460.050MHz
高'
480.050MHz
测试 CH
RX
中心
460.050MHz
440.050MHz
479.950MHz
低'
450.050MHz
高'
470.050MHz
测试 CH
RX
中心
415.050MHz
400.050MHz
429.950MHz
低'
407.550MHz
高'
422.550MHz
TK-3207
TX 频率
415.100
400.100
429.900
415.000
415.200
415.400
TX
100Hz 方形波
QT 67.0Hz
QT 151.4Hz
QT 250.3Hz
DQT D023N
DQT D754I
DTMF 159D
DTMF 音频 9
M 类型
TX
470.100MHz
450.100MHz
489.900MHz
460.100MHz
480.100MHz
C 类型
TX
460.100MHz
440.100MHz
479.900MHz
450.100MHz
470.100MHz
C2 类型
TX
415.100MHz
400.100MHz
429.900MHz
407.600MHz
422.600MHz
35

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