Panasonic TC17LA2 - 17" LCD COLOR TV, Руководство по обслуживанию

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8.6. LCD FLICKER Adjustment
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After 30minutes aging, perform the LCD FLICKER adjustment.
1. Enter into FLICKER (MAIN) adjustment mode and on the dispay the Test pattern is appeared except at the part of OSD display.
2. On the screen, adjust to obtain the best condition of flicker by "VOL " and "VOL ".
In adjustment, once, make over-run step and find the optimum flicker point as shown fligure below.
8.7. MTS Adjustment
Caution:
MTS adjustment shall be after the aging of 30 minutes or longer.
8.7.1. RF Audio Input level Adjustment
Instrument name Connection Remarks
1. Filter jig
2. RF signal generator
3. RMS voltage meter TP3572 - GND
RF ANT. INPUT
Filter jig
Filter jig
1. Apply following RF signal at Antenna input.
VIDEO : Flat field, 30 % modulation
AUDIO : 300 Hz, 100 % modulation, monaural
(70 dB ± 5 dB, 75
9
Open, P/S 10 dB)
Note:
Make sure 75 us PRE-EMPHASIS is off.
2. Enter into MTSIN (MTS) adjustment mode.
3. Adjust "MTSIN" data (Input level) until the RMS voltage meter indicates 106 mVrms ± 6 mVrms.
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TC-17LA2 / TC-17LA2D