TK-3170/3173
48
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
ADJUSTMENT
6. DQT balance 1) Adj item : [BAL_ _]
Panel
ANT
Panel
Selector Make the demodu-
adjust
Adjust : [
✳✳✳
.]
knob
lation waves into
Deviation meter filter
Deviation
SP/MIC
square waves.
LPF : 3kHz
meter
HPF : OFF
Oscilloscope
• Narrow
2) Adj item : [B.AL_ _]
→
AG
[B.A.L._ _]
→
[B.A.L._. _.]
AF VTVM
Adjust : [
✳✳✳
.]
PTT : ON
7. Max DEV
1) Adj item : [DEV_ _]
2.20kHz
±
50Hz
adjust
Adjust : [
✳✳✳
.]
(According to the
AG : 1kHz/75mV at MIC terminal
, –)
Deviation meter filter
LPF : 15kHz
HPF : OFF
• Narrow
2) Adj item : [D.EV_ _]
→
[D.E.V._ _]
→
[D.E.V._. _.]
Adjust : [
✳✳✳
.]
PTT : ON
• Wide
3) Adj item : [DEV_ _]
4.40kHz
±
50Hz
Adjust : [
✳✳✳
]
(According to the
PTT : ON
, –)
8. MIC
[Panel test mode]
Check
1.3~1.8kHz (Narrow)
sensitivity
1) CH-Sig : 1-1
2.5~3.5kHz (Wide)
check
AG : 1kHz/15.0mV at MIC terminal
PTT : ON
9. VOX1
1) Adj item : [VOX1_]
AG
Panel
SP/MIC
Panel
After apply signal
adjust
Adjust : [
✳✳✳
]
from AG, press [B]
AG : 1kHz/150mV at MIC terminal
key that numeric
will be stored in
10. VOX10
1) Adj item : [VOX10]
memory.
adjust
Adjust : [
✳✳✳
]
AG : 1kHz/2mV at MIC terminal
11. QT deviation 1) Remove the panel tuning
Power meter Panel
ANT
Panel
Selector 0.35kHz
±
40Hz
adjust
cable assembly from the
knob
universal connector.
Deviation
SP/MIC
• Narrow
Adj item : [QT_ _ _]
meter
Adjust : [
✳✳✳
.]
Oscilloscope
Deviation meter filter
AG
LPF : 3kHz
AF VTVM
HPF : OFF
PTT : ON
• Wide
2) Adj item : [QT_ _ _]
0.75kHz
±
40Hz
Adjust : [
✳✳✳
]
PTT : ON
12. DQT
1) Adj item : [DQT_ _]
0.35kHz
±
40Hz
deviation
Adjust : [
✳✳✳
.]
adjust
Deviation meter filter
LPF : 3kHz
• Narrow
HPF : OFF
PTT : ON
• Wide
2) Adj item : [DQT_ _]
0.75kHz
±
40Hz
Adjust : [
✳✳✳
]
PTT : ON
These 2 peaks to
the same level