Panasonic AJ-YA120AG, Service Manual

Page: 448 / 647

ELE-15
5-6. Pb/B OUT, Pr/R OUT
Frequency Response and DC
Level Adj.
BOARD VOUT/SYS
TP
Pb/B OUT, Pr/R OUT
ADJ.
VR304 (Pb LV), VR305 (Pr LV)
INPUT
----
MODE
HD SDI IN : 1080/59i,
Multiburst (Y/Pb/Pr)
TAPE
EE
M. EQ
Oscilloscope
SPEC.
Pb/Pr : 0-1.3MHz = Flat (0+0.5dB/-1dB)
R/G/B DC Level: 0V ± 100mV
1. Connect the oscilloscope to the Pb/B output and
adjust VR304 so that the frequency from 0 to
13MHz is in the specification.
2. Connect the oscilloscope to the Pr/R Output and
adjust VR305 so that the frequency from 0 to
13MHz is in the specification.
3. Open the setup menu (616) and select the RGB
from the Y/Pb/Pr.
4. Confirm that the DC level on the RGB signal is in
the specification.
P/B
Out
Pr/R
Out
0V ±
100mV
0V ±
100mV
0 + 0.5dB/-1dB
0 13MHz