![Kenwood TK-80 Скачать руководство пользователя страница 54](http://html.mh-extra.com/html/kenwood/tk-80/tk-80_service-manual_21427054.webp)
TK-80
53
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
ADJUSTMENT
14. Power
1) M CH: 23
Power meter Rear
ANT
Final
VR3
Power maximum
95W or more
frequency
Transmit
panel
response
15. Spurious
1) M CH: 24
Power meter
TX-RX
VR3
Spurious minimum
–50dB or more
adjustment
Transmit
Spectrum
(Near
±
1.6MHz)
analyzer
16. Suppression 1) M CH: 25
Coupler
VR7
CAR level minimum –50dB or more
adjustment
Set USB/LSB using [MODE]
VR8
Repeat USB and
key.
LSB alternately,
Transmit
adjust CAR level to
minimum.
17. SWR
1) M CH: 26
150
Ω
VR14
40W
±
4.0W
protection
150
Ω
dummy load connect.
dummy load
adjustment
Transmit
Pass-
through type
18. SWR 3.0
1) Power ON while holding the
power meter
Front
[MODE] 1 push
(for AT)
[SCAN] and [DATA] keys.
panel
or
adjustment
(Service adjustment mode)
[DATA]
Menu No.: 24
150
Ω
dummy load connect.
Transmit
19. CAR point
1) Menu No.: 27 (LSB)
Power meter
While observing the
adjustment
Menu No.: 28 (USB)
AG
oscilloscope wave-
AG1: 300Hz/3mV
Oscilloscope
forms, adjust so the
AG2: 2700Hz/3mV
Coupler
waveforms cross.
Transmit
At LSB or USB,
adjust while pressing
[MODE] or [DATA]
key.
20. ROM data
1) Turn the [DIAL] to select Menu No. 39.
Display (READY)
→
Press [MODE] or [DATA]
→
Write
→
Finish (GOOD)
writing
21. Display
1) Menu No.: 36
Check
LCD all segments light.
check
22. Transmit
1) Check for following frequency Power meter Rear
ANT
Transmit output
No display
output
M CH: 28 (1.8MHz, AM)
Spectrum panel
power (RF meter
: 90~110W (20~30W)
power
M CH: 31 (7MHz, CW)
analyzer
lights up all)
HI
M CH: 34 (26MHz, USB)
AG
: 45~55W (10~15W)
SSB: AG 1kHz, 50mV input
Press [MENU] key
MID
AM: Unmodulated
Linear
Front
MIC
one time, set to the
: 22~28W (5~8W)
Transmit
detector
panel
menu number “01”
LOW
f. counter
by pressing [DATA]
: 13~17W (2~5W)
or [MODE] key.
Change to HI, MID,
*(
): AM mode
LOW by turning the
[DIAL].
Current
No display: 20.5A or less
consumption
HI: 15A or less
MID: 12A or less
LOW: 9A or less
Spurious
Higher harmonic
(during
: –50dB or less
HI power)
Other: –40dB or less
OK
NG
Содержание TK-80
Страница 62: ...TK 80 61 LEVEL DIAGRAM Local Oscillator Section ...
Страница 83: ...TK 80 76 INTERCONNECTION DIAGRAM ...
Страница 84: ...TK 80 77 INTERCONNECTION DIAGRAM ...
Страница 85: ......
Страница 103: ...TK 80 90 BLOCK DIAGRAM ...
Страница 104: ...TK 80 91 BLOCK DIAGRAM ...
Страница 105: ......