TK-8150
39
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
ADJUSTMENT
3. PLL lock
1) CH-SIG : 3-1
DC VM
TX-RX
CV
TX-RX
TC502 8.2V
±
0.1V
voltage
Power meter
2) CH-SIG : 3-1
TC501
PTT : ON
3) CH-SIG : 2-1
Check
2.0V or more
4) CH-SIG : 2-1
PTT : ON
4. Transmit
1) CH-SIG : 1-1
Power meter Rear
ANT
Front
Selector CH-1 frequency
±
50Hz
frequency
Select Freq_ _ _ _ _
✽✽✽
f. counter
panel
panel
knob
in tuning mode
PTT : ON
5. MCF
1) CH-SIG : 1-1
Spectrum
TX-RX
CN201
TX-RX
L205
Adjust it to make gain maximum, and make the
• Wide
Spectrum analyzer
analyzer
L207
band flat as ahown in the below.
Span : 25kHz
L209
Scale : 2dB div
Tracking
CN202
Center frequency : 73.05MHz generator
Tracking generator
Output : –30dBm
• Narrow
1) [PF5] key : Set the narrow
L206
Adjust it to make gain maximum, and make the
“n_ _” appear on the LCD
L208
band flat as ahown in the below.
L210
6. AF coil
1) CH-SIG : 1-1
SSG
TX-RX
CN201
TX-RX
L201
Maximum audio
adjustment
SSG output : –-20dBm (FM)
output level.
frequency : 73.05MHz
AF VTVM
Rear
EXT.SP
DEV : 1.5kHz
4
Ω
dummy panel
MOD : 1kHz
load
SSG signal inject to CN201.
REF –30.0dBm
2dB/
MARKER
6.00kHz
–0.68dB
RBW
300Hz
VBW
300Hz
DL
–22.02dBm
SWP
1.3
s
SPAN 25.0kHz
CENTER 73.0500MHz
ATT 10dB
3dB or more
(
±
10kHz)
–6kHz
+6kHz
–10kHz
+10kHz
1.5dB max.
REF –30.0dBm
2dB/
MARKER
3.00kHz
–0.16dB
RBW
300Hz
VBW
300Hz
DL
–22.02dBm
SWP
1.0
s
SPAN 20.0kHz
CENTER 73.0500MHz
ATT 10dB
3dB or more
(
±
7kHz)
–7kHz
–3kHz
+7kHz
+3kHz
1.5dB max.