Kenwood TK-480 Service Manual page 22

Item Condition
1) SYS – GRP : 4 – ✽
9. DQT BAL
adjustment Select BAL
in tuning mode.
Deviation meter filter setting
LPF : 3kHz
HPF : OFF
PTT : ON
1) SYS – GRP : 4 – ✽
10. MAX DEV
adjustment Select MAX
in tuning mode.
AG : 1kHz/150mV
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
Adjustment item
L MAX ✽ ✽ ✽ →C MAX ✽ ✽ ✽
→H MAX ✽ ✽ ✽
PTT : ON
1) SYS – GRP : 4 – ✽
11. T/A MAX
Select TMAX ✽ ✽ ✽
DEV
adjustment in tuning mode.
AG : 1kHz/150mV
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
Adjustment item
L TMAX ✽ ✽ ✽ →C TMAX ✽ ✽ ✽
→H TMAX ✽ ✽ ✽
PTT : ON
1) SYS – GRP : 10 – ✽
12. NPSPAC
Select NMAX ✽ ✽ ✽
MAX DEV
adjustment in tuning mode.
AG : 1kHz/150mV
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
Adjustment item
L NMAX ✽ ✽ ✽ →C NMAX ✽ ✽ ✽
→H NMAX ✽ ✽ ✽
PTT : ON
13. MIC 1) SYS – GRP : 4 – 1
sensitivity AG : 1kHz/15mV
check Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
14. T/A MIC 1) SYS – GRP : 4 – 1
sensitivity TA mode : ON
check (Press [A] key, then [C] key)
AG : 1kHz/15mV
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
ADJUSTMENT
Measurement
Test-
Unit
equipment
Power meter Panel
✽ ✽ ✽
Deviation
meter
Oscilloscope
AG
AF VTVM
✽ ✽ ✽
Adjustment
Terminal Unit Parts
ANT Panel Encoder Make the demodu-
knob lation waves into
square waves.
Universal 3.8kHz
(According to the
larger +, –.)
2.9kHz
(According to the
larger +, –.)
Check
TK-480
Specifications/Remarks
Method
± 50Hz
± 50Hz
2.2~3.6kHz
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