Ypbpr Betacam Setup; Signal Adjustment - Sony TRINITRON PVM-14L3 Service Manual

7. Adjust the PR LEVEL (A2—B9) data on the MENU so
that the first step and the second step of the waveform
have the same amplitude as shown in Fig. 3-11.
+
Adjust for the same amplitude
0420 mv
+ +
Fig. 3-1
PYM-ALO4La/20L4
3-2-3. 15k YPBPR BETACAM SETUP
0 Signal Adjustment
1, Input the 15 kHz/60 Hz YPBPR BETACAM SETUP 0
color bar signal to the RGB/COMPONENT connector.
2. Press the RGB/CMPNT switch on the operation panel
and select YPBPR BETA 0.
3. Connect an oscilloscope to TP1251.
4, Adjust the G-Y/B (A2—AB) on the MENU so that the
second step of the waveform has the standard value as
shown in Fig. 3-12. Remove the difference in ampli-
tudes between the second step and the third step of the
waveform with G-Y/R (A2~9D) on the MENU.
Adjust finely until the top peak from the second step to
the fourth step of the waveform has the same ampli-
tude.
G-Y/R variable adjustment
G-Y/B variable adjustment
Make flat
0 +20 mV
Standard value : 022 mVp-p
Fig. 12
5. Connect an oscilloscope to TP1351.
6. Adjust the PB LEVEL (A2—E3) data on the MENU so
that the first step and the fourth step of the waveform
have the same amplitude as shown in Fig, 3-13.
Adjust for the same amplitude
0+20 mV
Fig. 213
7. Connect an oscilloscope to TP1451.
8. Adjust the PR LEVEL (A2~BB) data on the MENU
so that the first step and the second step of the wave-
form have the same amplitude as shown in Fig. 3-14.
Adjust for the same amplitude
0420 mV
Fig. 3-14