Sony SRW-5000, Руководство по обслуживанию, Страница: 69 / 438

1-53
SRW-5000/5500
(NTSC)
(PAL)
SYSTEM FREQ : 29.97 Hz
SYSTEM FREQ : 25 Hz
4. Connect the SD OUT COMPOSITE connector with
the composite waveform monitor to check that it
outputs the normal COLOR BARS signal.
5. Connect the SD OUT SYNC connector with the
composite waveform monitor to check that it outputs
the normal BLACK BURST signal.
6. Connect the HD REF.OUT 1/2 connector with the
oscilloscope to check that it outputs the normal HD tri-
level sync signal.
7. Return the settings of the setup menu and the system
setting, which were changed for the checks, to the
customer settings.
1-25-6. CP-377 Board
After replacing and repairing this board, perform the
following checks.
Tools
.
HD digital video signal generator:
Tektronix TG700 or equivalent
.
Analog composite waveform monitor:
Tektronix 1750A or equivalent (525/60 system)
Tektronix 1751A or equivalent (625/50 system)
.
Oscilloscope
Checks
1. Set the setup menu as follows.
MENU Name Customer Setting
No. Setting
005 SERVO/AV ___________ 8 external
REFERENCE select
006 EXTERNAL ___________ 8 extrn HD
REFERENCE select
T02 INTERNAL VIDEO ___________
8
COLOR
SIGNAL GENERATOR BARS
(HD)
2. Set the
[F9]
(SYSTEM MENU) of the OTHERS
CHECK menu as follows. (Refer to Section 3-3-9.)
Setting item Customer Setting
Setting
[F1]
(SYSTEM LINE) ___________ 8 1080
[F2]
(SYSTEM SCAN) ___________ 8 Interlace
[F3]
(SYSTEM FREQ) ___________
8
29.97 Hz
or 25 Hz
*
* : NTSC (525/60 system): 29.97 Hz
PAL (625/50 system): 25 Hz
3. Connect the HD digital signal generator to the
REF.INPUT 1 connector (75
Z termination switch:
ON) to input the HD tri-level sync signal.
n
Confirm that the STOP lamp does not blink on the
control panel.
If the STOP lamp blinks, check that the ITEM-005
setting in the setup menu is correct and that the sync
signal is correctly input to the REF.INPUT 1 connec-
tor.