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TREDTLERU
ERLE
3. ALHGIYVICIV
3-3.
VF
SYSTEM
ADJUSTMENT
3-3-1.
Vertical
Hold
Adjustment
Equipment:
Osilloscope
Preparation:
1.
Pull
the
ES-1
board
out
of
the
camera.
2.
Set
QRV12(V
SIZE)/MAIN
board
to
the
mechanical
centor
unles
it is marked.
Test
point:
CN8-lpin/MAIN
board
Adj.point:
@RV11(V
HOLD)/MAIN
board
Specification:
A = 20.6+0.3mS
Note:
After
this
adjustment
is completed,
insert
the
ES-]
board
into
the
camera.
MAIN
BOARD (COMPONENT
SIDE)
3-3-2.
Horizontal
Hold
Adjustment
Object:
White
window
chart
Equipment:
Osilloscope,
Waveform
monitor
Trigger:
CH2/Osilloscope
Preparation:
1. Adjust
the
zoom
control
so
that
the white
window
frame
touches
the
underscanned
picture
frame
on
the
monitor
screen.
Monitor
Screen
2. Adjust
the
iris
control
so
that
the
white
level
at VBS
OUT
terminal
is
700+10mvV.
Test
point:
CHl
CN5-lpin
CH2
CN4-3pin
Adj.point:
@RVIO(H
HOLD)/MAIN
board
Adjustment:
CH1
;
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Al/
\ B
I
CH2
A=B
3-2
DXF
- 325CE (EK)
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