TK-7150
39
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit 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 1.8V or more
4)CH-SIG : 2-1 2.0V or more
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.Transmit 1) Select Freq_LO_ _✽✽✽ 136.00250MHz ±50Hz
frequency Frequency : 136.00250MHz
(tune) PTT : ON
2)Select Freq_HI_ _✽✽✽ 173.99750MHz ±50Hz
Frequency : 173.99750MHz
PTT : ON
6.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 : 44.850MHz
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
7.AF coil 1)CH-SIG : 1-1 SSG TX-RX CN201 TX-RX L201 Maximum audio
adjustment SSG output : –-20dBm (FM) output level.
frequency : 44.85MHz AF VTVM Rear EXT.SP
DEV : 1.5kHz
4Ω dummy
panel
MOD : 1kHz load
SSG signal inject to CN201.
REF –30.0dBm
2dB/
MARKER
4.50kHz
–0.28dB
RBW
300Hz
VBW
300Hz
DL
–22.02dBm
SWP
1.3
s
SPAN 25.0kHz CENTER 44.8500MHz
ATT 10dB
3dB or more
(±10kHz)
–4.5kHz +4.5kHz
–10kHz +10kHz
1.5dB max.
REF –30.0dBm
2dB/
MARKER
3.00kHz
–0.42dB
RBW
300Hz
VBW
300Hz
DL
–22.02dBm
SWP
1.0
s
SPAN 20.0kHz CENTER 44.8500MHz
ATT 10dB
3dB or more
(±7kHz)
–7kHz
–3kHz
+7kHz
+3kHz
1.5dB max.