Panasonic PT-52DL52, Service Manual, Page: 35 / 189

MAIN
ITEM
SUB
ITEM MPU
No.
EEPROM
ADDRESS
DEFAULT
LEVEL
SLEEVE
SUB
H-POS 01 2C 00 01
V-POS 01 2E 00 0A
TEST BLK
WHT
C-HR
C-HCH
9. Service Adjustments
9.1. Input Level Adjustment
Preparation:
1. Connect an RMS meter with filter jig as shown in Fig.A1.
2. Connect an RF signal generator to the RF antenna input.
Figure A1. Filter jig
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).
2. Adjust the MTS Input Level Adjustment until the voltage measured
is 106 ± 6.0mV rms.
9.2. Stereo Separation Adjustment
Preparation:
1. Connect an RF signal generator to the RF antenna input.
2. Connect a scope to TPA2.
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