Kenwood TK-5710 Service Manual page 62

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TK-5710 B
Item
4. MCF 1) CH-Sig:1-1
•Wide Spectrum analyzer setting
Center-f : 49.95MHz
Span
RBW
VBW
TG level : -20dBm
XdB/div : 2dB
Connect each cable (W05-1000-00)
to CN202 and CN203.
•Narrow 2) Turn the [Selector] knob as
"N" (Narrow) appears on
the LCD.
Spectrum analyzer setting
Center-f : 49.95MHz
Span
RBW
VBW
TG level : -20dBm
XdB/div : 2dB
5. 2nd local [Panel tuning mode]
adjust 1) Adj item:[W SLO]
Adjust:[***]
Press [PF5] to store the adjust-
ment value after adjustment.
6. Quadrature [Panel test mode]
coil adjust 1) CH-Sig:1-1
SSG output:-53dBm(501µV) AF VTVM
(DEV:OFF)
7. RTC 1) CH-Sig:1-1
oscillation
frequency
adjust
62
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/5710H B
ADJUSTMENT
Measurement
Condition Test-
equipment
Spectrum Rear
analyzer
: 40kHz Tracking
: 1kHz generator
: 1kHz
: 30kHz
: 1kHz
: 1kHz
f.counter
SSG
DVM
Dummy load
f.counter
DVM
DC power
supply
Unit Terminal Unit
ANT TX-RX L225
panel L227
L229
TX-RX CN202 L231
CN203
L224
L226
L228
L230
TX-RX SLO TX-RX [PF3],
[PF4]
TX-RX QUAD TX-RX L232
EXT.SP
CONTROL CLKC Programming Adjust the RTC
32KOUT Software:
KPG-95D using the PC tuning
Adjustment
Specifications/Remarks
Parts Method
Adjust the coils
to obtain the
waveform as shown
to the right.
REF -20.0 dBm ATT 10 dB
2 dB/
CAL.OFF
SPAN
40.0 kHz
RBW
1 kHz
VBW
1 kHz
SWP 200ms SPAN 40.0 kHz
REF -20.0 dBm ATT 10 dB
2 dB/
CAL.OFF
TG LEVEL
-20 dBm
RBW
1 kHz
VBW
1 kHz
SWP 150ms SPAN 30.0 kHz
Change the 50.4MHz±70Hz
adjustment value
within the limit
of the specified
frequency.
Adjust the coil 1.0V±0.05V
within the limit
of the specified
voltage.
Note: It is not necessary
oscillation frequency to adjust the RTC
oscillation frequency under
mode. Perform the normal adjustments.
procedures below. The RTC oscillation frequency
must be checked and
1. Apply 5V DC to the
adjusted when the 32 kHz
"CLKC" terminal of the
crystal resonator (X700) is
control unit (X53-412).
replaced.
2. Measure the output
from the "32KOUT"
terminal of the control
unit (X53-412) using
the calibrated frequency
counter.
3. Enter the measured
frequency value to
"Crystal Oscillation
Frequency" of RTC
correction in the PC
tuning mode and then
click [OK] button.
1.5dB
MAX 5.5dB
or more
−4kHz +4kHz
−8kHz
+8kHz
CENTER 49.9500 MHz
1.0dB
MAX
6.0dB
or more
−3kHz +3kHz
−6kHz
+6kHz
CENTER 49.9500 MHz