Sony GV-8E Service Manual page 44

Video tv recorder
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8-4-7.
Emphasis Input Level Adjustment
(SV-35
Board)
Mode
Recording
Signal
Color
bar
Measurement Point
Pin
®
of IC600
Measuring Instrument
Oscilloscope
Adjusting Element
RV603
Specified
Value
0.50
±
0.02
Vp-p
Adjusting
method
:
1)
Adjust to
0.50
±
0.02
Vp-p
with RV603.
White
(
100
%)
(
I
0.50
%
0.02
Vp-p
l
Fig.
8-14.
Emphasis
input
level
adjustment
8-4-8.
PB Y Level 1 Adjustment (SV-35
Board)
Mode
Playback
Alignment
tape
for
operation
Signal
check
(WR5-3CSP)
Color
bar
section
Measurement Point
Pin
@
of
ICSOO
(Pin
@
of
the
CCD
delay block)
Measuring Instrument Oscilloscope
Adjusting Element
RV606
Specified
Value
0.50
±
0.02
Vp-p
Adjusting
method
:
l
)
Adjust to 0.50
±
0.02
Vp-p
with
RV606.
2)
Always perform
•PB
Y
level
2 adjustment
(8-4-9.)
after this adjustment.
Fig. 8-15.
PB
Y
level 1
adj
ustment
8-4-9.
PB Y Level 2 Adjustment (SV-35
Board)
Mode
Playback
Alignment tape for
operation
Signal
check
(WR5-3CSP)
Color-bar
section
Measurement
Point
Pin@
of
W013(VIDEO
OUT)
Measuring
Instrument
Oscilloscope
Adjusting Element
RV602
Specified Value
1.00
±
0.05 Vp-p
Notea
:
1)
The
VIDEO OUT
terminal
(1702
on
the
JK-34 board)
must
be
terminated in
75
Q.
2)
Perform
·
PB
Y
level
1
adjustment
(8-4·8)
first.
Adjusting
method
:
1)
Adjust to LOO±
0.05
Vp-p w ith RV602.
White (100
%)
I
White
level center
I
f
1
.00
±
0.05
Vp-p
_l
\
SYNC
level
center
Fig. 8-1 6.
PB
Y
level
2
adjustment
8-4-10.
Y FM Carrier Frequency Adjustment
(SV-35
Board)
Mode
Recording
Signal
Non-signal
Measurement
Point
Pin @) of IC600
Measuring
Instrument Frequency
counter
Adjusting Element
RV605
Specified
Value
4.39
± 0.02
MHz
Adjusting method
:
1)
Adjust to 4.39
±
0.02
MHz
with
RV605.
2) Perform "deviation adjustment".
4.39
±
0.02
MHz
~
ApproA.
0.5
VPi>
_l
Fig. 8-17.
Y
FM
carrier
frequency
adjustment
-
158
-

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