Panasonic CT-36SL13G Service Manual page 44

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, 75
OPEN, P/S 10dB). Make sure that the 75
OFF.
2. Adjust the MTS input level adjustment "MTSIN" data until the RMS
voltage measured is 130 ± 6.0mVrms.
Stereo separation adjustment (SEPAH)
PREPARATION
1. Connect an R.F. signal generator to the RF antenna input.
2. Connect a scope to TPA10.
PROCEDURE
Filter Jig
44
s pre-emphasis is