Kenwood TK-80 Service Manual page 53

TK-80
Item
6. ROM data 1) Turn the [DIAL] to select Menu No. 39.
writing
7. Idle current 1) M CH: 11
adjustment VR1, VR2
: MAX to counterclockwise
Transmit
8. Fan operation
check
9. NULL 1) Insert the coaxial cable to CN19. D.V.M
adjustment M CH: 12
VR3: MAX to counterclockwise Power meter Rear
Low power
Transmit
10. Power 1) Power ON while holding the
adjustment [SCAN] and [DATA] keys.
100W (Service adjustment mode)
Menu No.: 01
Transmit
50W 2) Menu No.: 02
Transmit
25W 3) Menu No.: 03
Transmit
15W 4) Menu No.: 04
Transmit
12.5W 5) Menu No.: 05
Transmit
10W 6) Menu No.: 06
Transmit
6.25W 7) Menu No.: 07
Transmit
3.75W 8) Menu No.: 08
Transmit
RF meter data is also written
at the same time as the
above power adjustment.
11. SSB 1) Menu No.: 18
microphone AG: 1kHz/5mV
sensitivity Transmit
adjustment
12. AM 1) Menu No.: 19
microphone Transmit
sensitivity
adjustment
13. ROM data 1) Turn the [DIAL] to select Menu No. 39.
writing
52
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Measurement
Condition
Test-
equipment
DC
ammeter
Power meter Rear
Power meter Rear
AG
AF V.M
manuals search engine
ADJUSTMENT
Adjustment
Terminal
Unit Unit Parts
Display (READY) → Press [MODE] or [DATA] → Write → Finish (GOOD)
Final VR1
VR2
Final TH1
Final CN104 Final TC1
ANT
panel
ANT Front [MODE] 100W
panel panel or
[DATA]
ANT
panel
Front MIC
panel
Display (READY) → Press [MODE] or [DATA] → Write → Finish (GOOD)
Specifications/Remarks
Method
Check the default
current (I ).
0
I +250mA=I
0 1
I +250mA
1
Both ends of TH1 Fan starts running, and
are shorted. ventilate to rear panel.
Voltage minimum Reference value: 50mV
± 5.0W
50W ± 3.0W
25W ± 2.5W
15W ± 1.5W
12.5W ± 1.0W
10W ± 1.0W
6.25W ± 0.5W
3.75W ± 0.5W
60W ± 5.0W
Set the value, multi-
plying SSB micro-
phone sensitivity
adjustment value by
the square root of 2.