Sanyo VHR-220 series - Page 7

ii
3502V21(N)
—
10
—
5
—
Item
Y/C REC
CURRENT
Input
Colour bar
from
Colour bar
generator
Mode
REC
Point
Compassion chart of Models and Marks
rP181 (HOT]
Shield case
(GND)
(Video pre-
amp unit)
Location
VR182
(Video pre-
amp unit)
Remark
w25v02t
~ models
A 800+25 mVp-p
B: 500 ~ 25 mVp-p
L
AL
-IL
H sync
H sync
1.
2.
3.
Connect the ground of the oscilloscope to
the Shield case of Video pre-amp.
Set the channel selector buttons to the AV
position and place in the SP record mode.
Adjust VR182 so that the signal level at the
sync tip is 600*25 mVp-p (for models A), or
500 A 25 mVp-p (for models B).
Note: Follows are the applicable models and
their corresponding mark.
Model
Mark
I I
vHR-220 series, VHR-230 series, VHR-23
series, VHR-25 series
A
VFIR-235 series
B
rwavo2
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Fig. 2-3-1 Video pre-amp unit
Shield case
\
VR182
REC Y/C
~
\ \
101
TPlk
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