Sharp 29A-SX1, Руководство по обслуживанию

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10
29A-SX1
29A-SX5
29A-SX8
SX-68JF200
10
P
AL CHR
OMA ADJUSTMENT
NO
.
Adjustment par
t
Adjusting procedure and conditions
W
a
v
e
fo
rm
and others
1-1
SUB-COLOUR I
2
C b
us adjust-
ment (RF signal)
1
E-12CH(P
AL colour bar) is receiv
ed.
2
Mak
e the image nor
mal with the remote con-
troller
.
3
Connect the oscilloscope to
TP3802.
(10:1
probe is used.) Range:
2V/Div
.
Sw
eep time :
20
µ
sec/Div
.
4
Set the sub colour adjustment mode with the remote controller
, and v
a
ry
the sub colour data
to mak
e 100%W of the colour bar and RED at
the same le
v
el f
or adjustment sho
wn in Fig.
1-
1.
Fig. 1-1
Cy
G
75%W
Y
100%W
Mg
R
B
NO
.
Adjustment par
t
Adjusting procedure and conditions
W
a
v
e
fo
rm
and others
1-1
SUB-TINT I 2
C b
us adjust-
ment (RF signal)
1
Select the sub-tint adjustment mode (automatic Y cut) to receiv
e J
A-8CH(NTSC colour bar).
2
Connect the oscilloscope to
TP800 (B-Y).
Range :
20mV/Div
. (A
C)
Sw
eep time:
20
µ
sec/Div
. (10:1 probe is used.)
3
V
a
ry
the sub tint data to adjust the w
a
v
ef
or
m to
be gained as sho
wn in Fig.
1-1.
TP800
.............
(KY) 6 pin
(B-Y)
W
Y
Cy
G
M
g
R
B
1-2
* SUB-TINT I 2
C b
us adjust-
ment (D
VD
signal)
1
Select the sub-tint adjustment mode (automatic Y cut) to receiv
e the D
VD colour bar signal.
2
Connect the oscilloscope to
TP800(B-Y).
Range :
20mV/Div
. (A
C)
Sw
eep time:
20
µ
sec/Div
. (10:1 probe is used.).
3
V
a
ry
the sub tint data to adjust the w
a
v
ef
or
m to
be gained as sho
wn in Fig.
1-1.
4
Release the adjustment mode
.
(B-Y)
W
Y
Cy
G
M
g
R
B
NTSC CHR
OMA ADJUSTMENT
1-2
* SUB-COLOUR I 2
C b
us adjust-
ment (D
VD
signal)
1
D
VD signal is receiv
ed.
(Half colour bar signal)
2
Mak
e the image nor
mal with the remote con-
troller
.
3
Connect the oscilloscope to
TP3802.
(10:1
probe is used.) Range :
2V/Div
.
Sw
eep time:
20
µ
sec/Div
.
4
Set the sub colour adjustment mode (D
VD) with
the remote controller
, and v
a
ry
the sub colour
(D
VD) data to mak
e 100%W of the colour bar
and RED at the same le
v
el f
or adjustment
sho
wn in Fig.
1-2.
(* It is being e
xamined.)
Fig. 1-2
Cy
G
WY
100%W
Mg
R
B
Fig. 1-1 Fig. 1-1