Composite Y Signal Level Adjustment; Composite Y Signal Offset Level Adjustment - Panasonic DVCPRO50 Service Manual

5-13. Composite Y signal Level
Adjustment
BOARD V IN (F2A)
TP Component Y OUT
ADJ. C01: SITE Y GAIN (Service Menu)
TAPE -----
INPUT Analog Composite Signal
(100% Color Bar)
MODE EE
M. EQ Analog WFM
SPEC. Y signal (A)(100%!"Blue) : 620 ± 3mV
(This adjustment performs without extender board.)
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
2. Select the C00: VIN ADJUST and press the
"SET" button to open the V IN ADJUST MENU.
3. Select C-2 CMPST ADJUST and press the "SET"
button to open the CMPST ADJUST menu.
4. Adjust the C01 SITE Y GAIN so that the level "A"
is in the specification. (Level "A" is between
100% portion and Blue signal portion.)
5. Close the menu.
100% Level
Y OUT
Blue signal portion
5-14. Composite Y Signal Offset
(This adjustment performs without extender board.)
1.
2.
3.
4.
5.
A
ELE-50
level Adjustment
BOARD V IN (F2A)
TP Component Y OUT
ADJ. C02: SITE Y OFS (Service Menu)
TAPE -----
INPUT Analog Composite Signal
(100% Color Bar)
MODE EE
M. EQ Analog WFM
SPEC. The difference between the Pedestal
level and the offset level of Y signal (A) :
0 ± 3mV
Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the C00: V IN ADJUST and press the
"SET" button to open the V IN ADJUST MENU.
Select C-2 CMPST ADJUST and press the "SET"
button to open the CMPST ADJUST menu.
Adjust the C02 SITE Y OFS so that the level "A"
is in the specification. (Level "A" is
between the pedestal level and offset level of Y
.)
signal
Close the menu.
Offset level of Y signal
A
Expand
Y OUT
the difference
Pedestal Level