Kenwood TM-V71A Service Manual page 53
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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Item
Condition
2. BPF RSSI
1) Adj item: [BPF B VL] →
(Band B)
[BPF B VC] → [BPF B VH]
Adjust
Adjust: [
***
• 144MHz band
SSG output: –100dBm (2.24µV)
SSG MOD: 1kHz
SSG DEV: 3kHz
• 200MHz band 2) Adj item: [BPF B 2L]
Adjust: [
***
SSG output: –100dBm (2.24µV)
3) Adj item: [BPF B 2C]
Adjust: [
***
SSG output: –90dBm (7.08µV)
4) Adj item: [BPF B 2H]
Adjust: [
***
SSG output: –80dBm (22.4µV)
• 430MHz band 5) Adj item: [BPF B UL]
Adjust: [
***
SSG output: –90dBm (7.08µV)
6) Adj item: [BPF B ULD] →
[BPF A UC] → [BPF A UHD]
→ [BPF A UH]
Adjust: [
***
SSG output: –100dBm (2.24µV)
3. Squelch
1) Adj item: [SQ1 A V]
threshold
Adjust: [
***
(Band A)
SSG output: –128dBm (0.089µV)
Writing
SSG MOD: 1kHz
• 144MHz band
SSG DEV: 3kHz
• 200MHz band 2) Adj item: [SQ1 A 2]
Adjust: [
***
SSG output: –117dBm (0.32µV)
• 300MHz band 3) Adj item: [SQ1 A 3]
Adjust: [
***
SSG output: –117dBm (0.32µV)
• 430MHz band 4) Adj item: [SQ1 A U]
Adjust: [
***
SSG output: –128dBm (0.089µV)
4. Squelch
1) Adj item: [SQ1 B V]
threshold
Adjust: [
***
(Band B)
SSG output: –128dBm (0.089µV)
Writing
SSG MOD: 1kHz
• 144MHz band
SSG DEV: 3kHz
• 200MHz band 2) Adj item: [SQ1 B 2]
Adjust: [
***
SSG output: –117dBm (0.32µV)
• 300MHz band 3) Adj item: [SQ1 B 3]
Adjust: [
***
SSG output: –117dBm (0.32µV)
• 430MHz band 4) Adj item: [SQ1 B U]
Adjust: [
***
SSG output: –128dBm (0.089µV)
• 1.2GHz band 5) Adj item: [SQ1 B 8]
Adjust: [
***
SSG output: –108dBm (0.89µV)
ADJUSTMENT
Measurement
Test-
Unit
equipment
SSG
Rear
Oscilloscope
panel
]
Distortion
meter
AF V.M
Dummy
load
]
]
]
]
]
SSG
]
]
]
]
]
]
]
]
]
TM-V71A/V71E
Adjustment
Terminal
Unit
Parts
ANT
Front
Tuning
Turn the Tuning
EXT.SP
panel
control
control until the
maximum RSSI
value will appear on
the LCD. When the
same RSSI value
remains while it
is being adjusted,
set the adjustment
value to the center
value.
For example, set the
adjustment value
to 38 for the values
listed below.
RSSI
value
54
55
55
55
55
55
54
ANT
Write
Specifi cations / Remarks
Method
Adjustment
value
35
36
37
38
39
40
41
53
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