Kenwood TK-5210G Service Manual page 62

Vhf p25 transceiver
Table of Contents

Advertisement

TK-5210
Item
Panel tuning mode
3. Receive
1) Adj item: [RX Front-
Front-end
end]
Adjust: [ *** ]
2) Adj item: [L RX
Front-end]
Spectrum analyzer
setting
Center-f: 136.1MHz
Span: 100MHz
RBW: 300kHz
VBW: 100kHz
SWP: 50ms
TG level: –30dBm
XdB/div: 10dB
Press [B] to store
the adjustment
value after adjust-
ment.
3) Adj item: [H RX
Front-end]
Spectrum analyzer
setting
Center-f: 173.9MHz
Press [B] to store
the adjustment
value after adjust-
ment.
4) Adj item: [LC RX
Front-end]
Spectrum analyzer
setting
Center-f: 145.6MHz
Press [B] to store
the adjustment
value after adjust-
ment.
5) Adj item: [C RX
Front-end]
Spectrum analyzer
setting
Center-f: 155.1MHz
Press [B] to store
the adjustment
value after adjust-
ment.
6) Adj item: [CH RX
Front-end]
Spectrum analyzer
setting
Center-f: 164.6MHz
Press [B] to store
the adjustment
value after adjust-
ment.
62
(
G
)
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [Receive
Spectrum
Front-end]
analyzer
2) Adj item: [Frequen-
Tracking
cy] [Low]
generator
Spectrum analyzer
setting
Center-f: 136.1MHz
Span: 100MHz
RBW: 300kHz
VBW: 100kHz
SWP: 50ms
TG level: –30dBm
XdB/div: 10dB
Press [OK] button
to store the adjust-
ment value.
3) Adj item: [Frequen-
cy] [High]
Spectrum analyzer
setting
Center-f: 173.9MHz
Press [OK] button
to store the adjust-
ment value.
4) Adj item: [Frequen-
cy] [Low']
Spectrum analyzer
setting
Center-f: 145.6MHz
Press [OK] button
to store the adjust-
ment value.
5) Adj item: [Frequen-
cy] [Center]
Spectrum analyzer
setting
Center-f: 155.1MHz
Press [OK] button
to store the adjust-
ment value.
6) Adj item: [Frequen-
cy] [High']
Spectrum analyzer
setting
Center-f: 164.6MHz
Press [OK] button
to store the adjust-
ment value.
Measurement
Test-
Unit Terminal Unit
Panel
ANT
Panel
TX-RX
RX BPF
TX-RX
(A/4)
BPF GND
(A/4)
Adjustment
Specifi cations /
Parts
Method
L201
After setting the
REF 0.0 dBm
10dB/
adjustment value to
CENTER
136.1 MHz
245, adjust coil to
get the waveform
as shown to the
RBW
300 kHz
VBW
100 kHz
right.
SWP
50ms
L202
After setting the
REF 0.0 dBm
10dB/
L204
adjustment value to
CENTER
173.9 MHz
L205
90, adjust each coil
to get the highest
RBW
peak points.
300 kHz
VBW
100 kHz
Furthermore,
SWP
50ms
change
the adjustment
values to get wave-
form as shown to
the right.
[Panel
Change the adjust-
REF 0.0 dBm
10dB/
tuning
ment values to get
CENTER
145.6 MHz
mode]
the Waveform as
[C],[D]
shown to the right.
RBW
300 kHz
VBW
100 kHz
[PC
SWP
50ms
test
mode]
[ ],[ ]
REF 0.0 dBm
10dB/
CENTER
155.1 MHz
RBW
300 kHz
VBW
100 kHz
SWP
50ms
REF 0.0 dBm
10dB/
CENTER
164.6 MHz
RBW
300 kHz
VBW
100 kHz
SWP
50ms
Remarks
ATT 10dB
A_Write Norm B_Blank
CENTER 136.1 MHz
SPAN 100.0 MHz
ATT 10dB
A_Write Norm B_Blank
CENTER 173.9 MHz
SPAN 100.0 MHz
ATT 10dB
A_Write Norm B_Blank
CENTER 145.6 MHz
SPAN 100.0 MHz
ATT 10dB
A_Write Norm B_Blank
SPAN 100.0 MHz
CENTER 155.1 MHz
ATT 10dB
A_Write Norm B_Blank
CENTER 164.5 MHz
SPAN 100.0 MHz

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents