TK-8150
44
CN201
CN202
VR700
VR1
L201
1
2
L205
L206
CV
L207
L208
L209
L210
1
2
TC501
TX
TC502
RX
CV
7
. Adjustment Points
7
-1. Component Side View
7
-2. Foil Side View
VR1 : TX high power (High)
VR700 : MIC seisitivity
TC501 : PLL lock voltage (TX)
TC502 : PLL lock voltage (RX)
L201 : AF coil adjustment
L205,207,209 : MCF (Wide)
L206,208,210 : MCF (Narrow)
Item
Condition
Measurement
Adjustment
Specifications/
Remarks
Test-
equipment
Unit
Termina
l
Parts
Unit
Method
ADJUSTMENT
20. Squelch
1) CH-SIG : 1-1
SSG
Rear
ANT
Front
Selector Adjust to point of
Set the value to 255.
open
Select Sql_O_ _ _ _
✽✽✽
panel
panel
knob
opening squelch
Adjust the SSG out-
• Wide
in tuning mode
put to “Condition”.
SSG output : Value when 3dB AF VTVM
EXT.SP
Then, decrease the
is subtracted from the
Distortion
value to the point of
sensitivity value of 12dB
meter
opening the squelch.
SINAD.
Oscilloscope
4
Ω
dummy
• Narrow
2) [PF5] key : Set the narrow
load
n_ _
Sql_O_ _ _ _
✽✽✽
in tuning mode
SSG output : Value when 4dB
is subtracted from the
sensitivity value of 12dB
SINAD.
• Wide/Narrow 3) SSG output : OFF
Check
Squelch must be
closed.
Note :
When you change the Squelch adjustment value, connect all necessary measuring equipment (as stated in the adjustment procedure), then
adjust it to the SSG output value.