Composite Sync Dc Level Adjustment; Composite Y Level Adjustment; Composite Frequency Characteristic Adjustment - Panasonic DVCPRO50 Service Manual

4-4. Composite Sync DC Level
Adjustment
BOARD
V OUT (F5)
TP
VIDEO OUT 1 (CH B)
ADJ.
D06:SITE SYNC DC (Service Menu)
TAPE
525(NTSC): VFM3580KM (L)
Alignment Tape (Color Bar / 7:00 – 14:00)
INPUT
------
MODE
PLAY
M. EQ
Analog WFM
SPEC.
SET-UP LEVEL = PEDESTAL LEVEL
± 3mV
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the D00: VOUT ADJUST and press the
2.
"SET" button to open the VOUT ADJUST MENU.
Select the D-2: CMPST ADJUST and press the
3.
"SET" button.
4. Play back the alignment tape at the color bar
portion (7:00 – 14:00).
Adjust D06: SITE SYNC DC so that the set-up
5.
level is the same level as the pedestal level.
The levels of pedestal and set-up
are same at this point.
VIDEO OUT 1
4-5. Composite Y Level
Adjustment
BOARD
V OUT (F5)
TP
VIDEO OUT 1 (CH B)
ADJ.
D01:SITE Y LEV (Service Menu)
D03:SITE Y SETUP (Service Menu)
TAPE
525(NTSC): VFM3580KM (L)
Alignment Tape (Color Bar / 7:00 – 14:00)
INPUT
-----
MODE
PLAY
M. EQ
Analog WFM
Y Level = 714 ± 3mV
SPEC.
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the D00: VOUT ADJUST and press the
2.
"SET" button to open the VOUT ADJUST MENU.
Select the D-2: CMPST ADJUST and press the
3.
"SET" button.
4. Play back the alignment tape at the color bar
portion (7:00 – 14:00).
Set-up
Pedestal
ELE-23
D01: SITE Y LEV
5. Adjust
the specification.
6. Open the SETUP MENU.
Select the 622: SETUP 25 and press the "STOP"
7.
button to open the SETUP 50 SUB MENU.
Set the 01: CMPST OUT to ADD.
8.
D03: SITE Y SETUP
9. Adjust
(D00:VOUT ADJUST) so that the Y level is in the
specification.
10. Set the 01: CMPST OUT to THRU.
VIDEO OUT 1
Y LEVEL
4-6. Composite Frequency
Characteristic Adjustment
BOARD
V OUT (F5)
TP
VIDEO OUT 1 (CH B)
ADJ.
D02:SITE Y FREQ (Service Menu)
TAPE
525(NTSC): VFM3380KM
Alignment Tape (Multiburst 10:00-13:00)
INPUT
------
MODE
PLAY
M. EQ
Analog WFM
0-5.5MHz : ±0.5dB / 5.75MHz : ±1dB
SPEC.
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the D00: VOUT ADJUST and press the
2.
"SET" button to open the VOUT ADJUST MENU.
Select the D-2: CMPST ADJUST and press the
3.
"SET" button.
4. Play back the
MULTIBURST portion (10:00-13:00).
Adjust D02: SITE Y FREQ so that the 0-5.5MHz
5.
portion is flat as shown bellow.
VIDEO OUT 1
1M
FLAT
0.5M
so that the Y level is in
in the service menu
alignment tape at
4.5M 5.75M
2M 5.5M
the