Panasonic AJ-D455P, Service Manual

Page: 89 / 743

ELE-32
5-26.Pb Signal Offset level (YC IN)
Adjustment
BOARD
V IN (F5)
TP
Component Pb OUT
ADJ. Service Menu
TAPE -----
INPUT Analog YC Signal
(0% Flat Field)
MODE EE
M. EQ Analog WFM
SPEC. The difference between the Pb reference
level and the offset level of the Pb signal.
(B) : 0± 4mV
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
2. Select the E00: V IN ADJUST and press the
“SET” button to open the V IN ADJUST MENU.
3. Select E-3 YC ADJUST and press the “SET”
button to open the CMPST ADJUST menu.
4. Adjust the E03 YC PB OFS so that the level “B” is
in the specification. (Level “B” is the difference
between the Pb reference level and the offset
level of the Pb signal.)
5. Close the menu.
5-27.Pr Signal Offset level (YC IN)
Adjustment
BOARD
V IN (F5)
TP
Component Pr OUT
ADJ. Service Menu
TAPE -----
INPUT Analog YC Signal
(0% Flat Field)
MODE EE
M. EQ Analog WFM
SPEC. The difference between the Pr reference
level and the offset level of the Pr signal.
(C) : 0± 4mV
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
2. Select the E00: V IN ADJUST and press the
“SET” button to open the V IN ADJUST MENU.
3. Select E-3 YC ADJUST and press the “SET”
button to open the CMPST ADJUST menu.
4. Adjust the E06 YC PR OFS so that the level “C” is
in the specification. (Level “C” is the difference
between the Pr reference level and the offset
level of the Pr signal.)
5. Close the menu.
Expand
Pb OUT
B
Pb reference level
Offset level of Pb signal
1H
Expand
Pr OUT
C
Pr reference level
Offset level of Pr signal
1H