Panasonic TC-14Z88KQ, Service Manual

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Fig. 3
2.6. PAL Colour
1. Receive the PAL B/G studio colour bar pattern and adjust local
frequency at the best tuned position.
2. Pic Menu: Dynamic Normal, Confirm Contrast - 63, Sub Contrast -
21.
3. Channel colour set --------- STD
4. “CHK2” and press digit key “5” (AKB OFF) also confirm OSD
become blue colour.
5. Connect TPA 10 to TPA 20.
6. Set (A) to 1.9 ± 0.1V by BRT (CHK2) at measurement point TPL 2
Fig. 4.
2.7. Adjustment
1. Connect oscilloscope probe to TPL 2 (G OUT) with 10k series
resistor and adjust Contrast so that (B) as in Fig. 4 is 2.60 ± 0.05V.
2. Adjust “Sub Colour” so that waveform as in Fig. 4 (1) 2.3 ± 0.2V.
3. Connect oscilloscope probe to TPL 1 (R OUT) with 10k series
resistor and confirm waveform as in Fig. 5 is (2) 2.3 ± 0.2V.
4. Take out jumper TPA 10 and TPA 20.
5. Press digit key “5” (AKB ON) and confirm the OSD become white
colour.
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