Kenwood TK-5310, Service Manual, Page: 53 / 97

TK-5310
53
4. 2nd local 1) Adj item:[2nd Lo Freq] f.counter TX-RX 2nd Lo Panel [C],[D] Change the 50.400MHz ±50Hz
adjust Adjust:[***] (A/5) adjustment value
Press [B] to store the adjustment within the limit of
value after adjustment. the specified
frequency.
5. RTC 1) CH-Sig:1-1 f.counter TX-RX CLKC Programming Adjust the RTC
oscillation DVM (A/5) 32kout Software: oscillation frequency
frequency DC power KPG-95D using the PC tuning
adjust supply mode. Perform the
procedures below.
1. Apply 5V DC to
the "CLKC" terminal
of the TX-RX unit
(X57-725) (A/5).
2. Measure the output
from the "32kout"
terminal of the TX-RX
unit (X57-725) (A/5)
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.
6. LCD 1) CH-Sig:1-1 Programming Adjust the LCD Note: Because the
contrast Software: contrast using the transceiver has a
adjust KPG-95D PC tuning mode. function for revising a
change in temperature,
Slide the bar to adjust adjust the LCD contrast
the value. The larger at room temperature
the value, the darker (18 to 28 degrees).
the LCD becomes;
the lower the value,
the more transparent
the LCD becomes.
Measurement Adjustment
Item Condition Test-
Unit Terminal Unit Parts Method
Specifications/Remarks
equipment
ADJUSTMENT
Note: It is not necessary
to adjust the RTC
oscillation frequency under
normal adjustments.
The RTC oscillation frequency
must be checked and
adjusted when the 32 kHz
crystal resonator (X1) is
replaced.
(Refer to
“Adjustment
Points” des-
cribed on
page 47.)