Panasonic CT-24SL14J Service Manual page 196

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 106 ± 6.0mVrms.
Stereo separation adjustment (SEPAH)
PREPARATION
1. Connect an R.F. signal generator to the RF antenna input.
2. Connect a scope to TPA20.
PROCEDURE
1. Select stereo mode in audio menu
2. Apply the following signal from the RF signal generator:
- Video: 100 IRE flat field, 30% modulation.
- Audio: 300Hz, 30% modulation, stereo (left only) (70±5dB, 75
Filter Jig
35
s pre-emphasis is