Kenwood TK-5210 Service Manual page 50

Common Section
Item Condition
1. Setting 1) BATT terminal voltage:7.5V
2) SSG standard modulation
[Wide] MOD:1kHz,DEV:3kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2. Assist [Panel tuning mode]
voltage 1) Adj item:[RX V Assist]
Adjust:[***]
•RX 2) Adj item:[L RX V Assist]t
[LC RX V Assist]t[C RX V Assist]t
[CH RX V Assist]t[H RX V Assist]
Adjust:[***]
Press [B] to store the adjustment
value after adjustment.
•TX 3) Adj item:[TX V Assist]
Adjust:[***]
4) Adj item:[L TX V Assist]t
[LC TX V Assist]t[C TX V Assist]t
[CH TX V Assist]t[H TX V Assist]
Adjust:[***]
PTT:ON
Press [B] to store the adjustment
value after adjustment.
3. RX Front-end 1) Adj item:[RX Front-end]
adjust 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 adjustment.
3) Adj item:[H RX Front-end]
Spectrum analyzer setting
Center-f:173.9MHz
Press [B] to store the adjustment
value after adjustment.
4) Adj item:[LC RX Front-end]
Spectrum analyzer setting
Center-f:145.6MHz
Press [B] to store the adjustment
value after adjustment.
ADJUSTMENT
Measurement
Test-
Unit Terminal
equipment
Power meter Panel ANT
DVM TX-RX CV
(A/5)
Spectrum Panel ANT
analyzer TX-RX RX BPF
Tracking (A/5) BPF GND
generator
Adjustment
Unit Parts Method
Panel [C],[D] Change the
adjustment value
within the limit
of the specified
voltage.
TX-RX L201 After setting the
(A/5) adjustment value
to 245, adjust coil
to get the waveform
as shown to the
right.
L202 After setting the
L204 adjustment value
L205 to 90, adjust each
coil to get the
highest peak points.
Furthermore, change
the adjustment
values to get the
waveform as shown
to the right.
Panel [C],[D] Change the
adjustment values
to get the waveform
as shown to the
right.
TK-5210
Specifications/Remarks
1.88V±0.1V
When adjusting the assist
voltage in PC tuning mode,
slide the bar to indicate
"VCO Lock Voltage" within
2.0V±0.1V on Meter window.
REF 0.0 dBm ATT 10dB A_Write Norm B_Blank
10dB/
CENTER
136.1 MHz
RBW
300 kHz
VBW
100 kHz
SWP
50ms
CENTER 136.1 MHz SPAN 100.0 MHz
REF 0.0 dBm ATT 10dB A_Write Norm B_Blank
10dB/
CENTER
173.9 MHz
RBW
300 kHz
VBW
100 kHz
SWP
50ms
CENTER 173.9 MHz SPAN 100.0 MHz
REF 0.0 dBm ATT 10dB A_Write Norm B_Blank
10dB/
CENTER
145.6 MHz
RBW
300 kHz
VBW
100 kHz
SWP
50ms
SPAN 100.0 MHz
CENTER 145.6 MHz
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