JVC GX-N7E User Manual

i
No
iter
Measuring
' ;
ae
incteimtenie
Test
point
and
Adjustment
part
Description
16.;
R,B8
Oscilloscope
Gs)
(Y-B)
H
BL
COMP-B
VRs
|
Adjustment
procedure
with
oscilloscope
BL
SH
H-rate
aes
(H
PB)
race
Vans
R130
(H
SAW)
©
Attach
the
lens
cap
and
set
the
IRIS
CON-
10:1
V
BL
COMP-B
VRs
TROL
SWITCH
to
AUTO.
{
R145
(V
PB)
R144
(V
SAW)
1.
Measure(J5
at
H-rate,
and
adjust
R131
(H
PB)
and
R130
(H
SAW)
so
that
the
waveforms
become
flat.
(R-Y)
HBL
COMP-R
VRs
[ENC
BOARD]
bis
(H
PB)
R132
(H
SAW)
The
ne
TP
V
BL
COMP-R
VRs
Peete
ee
(V
PB)
R142
(Vv
SAW)
2.
Measure
at
V-rate,
and
adjust
R145
[MOTHER
BOARD]
(V
PB),
and
R144
(V
SAW)
so
that
the
A
V
BL
COMP-R
waveforms
become
flat.
a"
FF
'
2
VSAW
vPB
C
to
flat
Fig.
3-16
(b)
HBL
comP-8
3.
Measure(J6
)
at
H-rate,
and
adjust
R133
(H_
PB)
and
R132
(H
SAW)
so
that
the
waveforms
become
flat.
vPB
VvSAW
Seen
aueemeeeet
ese
H
BL
COMP-R
V
BL
COMP-B
re
'o
flor
Fig.
3-16
(c)
4.
Measure(J6
)
at
V-rate,
and
adjust
R143
(V
PB)
and
R142
(V
SAW)
so
that
the
waveforms
become
flat.
'
fo
fiat
Ap
Fig.
3-16
(d)}
(Note}
After
completing
this
adjustment,
re-
confirm
the
white
balance
and
repeat—
when
required—Steps
3-12
and
3-15.
a
ena
im
(No, 5550) 29E
No.
Hem
huneiouies:
Test
point
and
Adjustment
part
Description
instrument
J
Vectorscope
T
VIDEO
OUT
|
Adjustment
procedure
with
vectorscope
©
Attach
the
tens
cap
and
set
the
IRIS
CON-
TROL
SWITCH
to
AUTO.
1.
Adjust
the
H
BL
COMP.-R
VRs,
H
BL
COMP.-B
VRs, V
BL
COMP.-R
VRs,
and
V
BL
COMP.-B
VRs
so
that
the
carriers
converge
at
the
vectorscope
center
as
shown
in
Fig.
3-16
(d).
:
Fig.
3-16
(d)
17.
|
SC
PHASE,
|
Vectorscope
VIDEO
OUT
R11
(R-Y
BURST
©
Close
the
iris.
BURST
LEVEL)
LEVEL
R12
(Y-B
BURST
1.
Turn
R19
(SC
PHASE)
to
establish
burst
Adjustment
LEVEL)
level
balance,
as
shown
in
Fig.
3-17
(a).
[AGC
BOARD]
R19
(SC PHASE)
{ENC BOARD]
YB
R-Y
BURST BURST
LEVEL LEVEL
75%
Point
2. Adjust R12 (Y-B BURST GAIN) and R11
(R-Y BURST GAIN) to obtain a burst level
of 75%, as shown in Fig. 3-17 (b}.
»
Repérage d'une
amplitude de 75%
pour le vecteur
d'impulsion de la couleur
(Note) 1. The SC PHASE adjustment can only
be performed with a vectorscope.
2. Arough adjustment of BURST GAIN
is possible also with an oscilloscope.
(Refer to “2-4 Rough Adjustment of
the Burst Level.’’)
30E (No. 5550)
Wis a any tee Ne SCREEN en

JVC GX-N7E Specifications

General

Brand	JVC
Model	GX-N7E
Category	Camcorder
Language	English