Panasonic CT32E14J - 32" COLOR TV, Руководство по обслуживанию

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OPEN, P/S 10dB).
NOTE
After setting 30% modulation with P.L. SW and N.R. SW OFF, turn P.L. SW and N.R. SW
ON.
3. In service mode, adjust the MTS Low-Level separation adjustment
“SEPAL” data until the amplitude displayed on the scope
is minimum.
4. Apply the following signal from the RF signal generator:
- Video: 100 IRE flat field, 30% modulation
- Audio: 3KHz, 30% modulation, stereo (left only) (70 ±5dB, 75
OPEN, P/S 10dB).
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.
13.7. 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
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