Sony BVW-55 Maintenance Manual page 198

2-2. TAPE Maintenance Mode (M0)
2-2-4. AUDIO/VIDEO ADJUST Mode (A2)
A20 : VPR/TG VR
AUDIO/VIDEO ADJUST MODE
A20:VPR/TG VR
*
REF 1st FLD DET 80
VIDEO LEVEL 80
INT 4FSC FREQ 80
(525/60 System)
This menu is used to adjust the reference signal and analog
video output systems on the VPR-59 and TG-191 boards.
In 525/60 and 625/50 systems, the displayed adjustment
items differ.
The adjustment item below can be adjusted in only a 525/
60 system.
Adjustment item Description
REF 1ST FLD DET First-field detection timing of reference
signal
The adjustment item below must be adjusted in both 525/
60 and 625/50 systems.
Adjustment item Description
VIDEO 1/2 LEVEL Composite video output (1/2) level
INT 4FSC FREQ Free-running frequency of internal
reference signal 4fsc
2-22
AUDIO/VIDEO ADJUST MODE
A20:VPR/TG VR
*
VIDEO LEVEL 80
INT 4FSC FREQ 80
(625/50 System)
A23 : SDI VR
AUDIO/VIDEO ADJUST MODE
A23:SDI VR
*
A231:SDI ENC VCO
A232:SDI DEC VCO
This menu is used to adjust the VCO free-running frequen-
cy of SDI input/output interfaces.
n
Before adjustment, turn the power on and warm up the
unit more than ten minutes.
A231 : SDI ENC VCO
This submenu is used for an SDI output interface (SDI
encoder).
n
When select this submenu, mute the SDI output signal.
A232 : SDI DEC VCO
This submenu is used for an SDI input interface (SDI
decoder).
n
When select this submenu, mute the SDI input signal.
BVW-55 P2