Mts Circuit Adjustments - Panasonic CT-36SL13G Service Manual

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14.6 MTS circuit adjustments

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The MTS circuit adjustments require two steps:
1. Input level adjustment.
2. Stereo separation adjustment.
Input level adjustment
Service DAC adjustment (MTSIN)
PREPARATION
1. Connect an RMS meter with filter jig as shown in figure to TPE11.
2. Connect an RF signal generator to the RF antenna input.
PROCEDURE
1. Apply the following signal from the RF signal generator:
Video: 100 IRE flat field, 30% modulation.
Audio: 300Hz, 100% modulation, monaural (70 ±5dB, 75Ω OPEN, P/S 10dB). Make sure
that the 75μs pre-emphasis is OFF.
2. Adjust the MTS input level adjustment "MTSIN" data until the RMS voltage measured is
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Filter Jig