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

5-5. Component Y signal level
Adjustment
BOARD V IN (F2A)
TP Component Y OUT
ADJ. C01: NENT Y GAIN (Service Menu)
TAPE -----
INPUT Analog Component Signal
(100% Color Bar)
MODE EE
M. EQ Analog WFM
SPEC. Y signal(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 VIN ADJUST MENU.
3. Select C-1: CMPNT ADJUST and press the
"SET" button to open the CMPNT ADJUST
menu.
4. Adjust the C01 NENT 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
Note:
When open the "C-1: CMPNT ADJUST" page of the
Service Menu, the Video Input Select is changed to
"Y PB PR" (Component Input) automatically.
And also, when open the "C-2: CMPST ADJUST"
page of the Service Menu, the Video Input Select is
changed to "CMPST" (Composite Input) automatically.
However, the indicator of video input on the front
panel is not changed.
5-6. Component Y Signal Offset
(This adjustment performs without extender board.)
1.
2.
3.
4.
5.
A
ELE-46
level Adjustment
BOARD V IN (F2A)
TP Component Y OUT
ADJ. C02: NENT Y OFS (Service Menu)
TAPE -----
INPUT Analog Component 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: VIN ADJUST and press the
"SET" button to open the V IN ADJUST MENU.
Select C-1 CMPNT ADJUST and press the
"SET" button to open the CMPNT ADJUST
menu.
Adjust the C02 NENT 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