Panasonic CT-27SL13MUG Service Manual page 61

NOTE
After setting 30% modulation with P.L. SW and N.R. SW OFF, turn P.L. SW and N.R. SW
ON.
5. Adjust the MTS High-level separation adjustment "SEPAH" until
the amplitude displayed on the scope is minimum.
6. Repeat above steps 2 through 5 until the amplitude is at minimum
for both signals.
12.8. Clock adjustment (CLOCK)
PREPARATION
Connect the frequency counter from TP017 / (IC001 pin 79) to cold ground
PROCEDURE
1. Turn the receiver "OFF" with the A.C. power applied.
2. Measure TP017 (IC001 pin 79) for the frequency of the waveform
and record the reading.
NOTE
3. TP017 (IC001 pin 79) measurement must have at least four digits
of resolution following the decimal point. Example: 000.0000
4. Place the receiver into service mode for making electronic
adjustment, select the clock adjustment DAC "CLOCK".
5. Calculate and set "CLOCK" based on the following formula:
NOTE
TP017 (IC001 pin 79) measurement will not change regardless of the value stored in CLOCK.
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