Kenwood TM-V71A Service Manual page 48
144/430 (440) mhz fm dual bander
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Also See for TM-V71A:
- Instruction manual (60 pages) ,
- Instruction manual (107 pages) ,
- Service manual (4 pages)
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TM-V71A/V71E
Item
Condition
6. SWR
1) Adj item: [SWR V]
protection
Adjust: [
***
Adjust
2) PTT: ON
• 144MHz band
• 430MHz band 3) Adj item: [SWR U]
Adjust: [
***
4) PTT: ON
7. DCS balance
1) Adj item: [BAL A VC]
(Band A)
Adjust: [
***
Adjust
Detector: +P HOLD
• 144MHz band
LPF: 3kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
• 430MHz band 3) Adj item: [BAL A UC]
Adjust: [
***
4) PTT: ON
8. DCS balance
1) Adj item: [BAL B VC]
(Band B)
Adjust: [
***
Adjust
Detector: +P HOLD
• 144MHz band
LPF: 3kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
• 430MHz band 3) Adj item: [BAL B UC]
Adjust: [
***
4) PTT: ON
9. MAX
1) Adj item: [DEV A V]
deviation
Adjust: [
***
(Band A)
AG: 1kHz/50mV K,M4
Adjust
AG: 1kHz/20mV E
• 144MHz band
Detector: +P, –P
LPF: 15kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
• 430MHz band 3) Adj item: [DEV A U]
Adjust: [
***
4) PTT: ON
10. MAX
1) Adj item: [DEV B V]
deviation
Adjust: [
***
(Band B)
AG: 1kHz/50mV K,M4
Adjust
AG: 1kHz/20mV E
• 144MHz band
Detector: +P, –P
LPF: 15kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
• 430MHz band 3) Adj item: [DEV B U]
Adjust: [
***
4) PTT: ON
48
ADJUSTMENT
Measurement
Test-
Unit
equipment
Power meter Rear
]
panel
Note:
Do not repeatedly adjust the SWR
protection adjustment; adjust it only
once when you replace the EEPROM.
]
Linear
]
detector
Oscilloscope
]
]
]
Linear
]
detector
Oscilloscope
AG
AF V.M
]
]
]
Adjustment
Terminal
Unit
Parts
ANT
Front
Tuning
Set the following
panel
control
adjustment values
to the transceiver by
turning the Tuning
control.
Adjustment value:
66
Adjustment value:
120
By turning the Tuning
control, adjust the
modulation wave
until it becomes the
square wave.
ANT
Write
MIC
Specifi cations / Remarks
Method
4.2kHz±0.1kHz (According to
the larger +P, –P)
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