Sharp 21ES251E, Руководство по обслуживанию

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13
13
-1
13
-2
PA
L C
HR
OM
A A
DJ
US
TM
EN
T
NO
AD
JUS
TM
EN
T P
OIN
T
AD
JUS
TM
EN
T C
ON
DIT
ION
/ P
RO
CE
DU
RE
WA
VE
FO
RM
OR
OT
HE
RS
1
SU
B C
OL
OU
R
(1)
Re
cei
ve
the
"P
AL
Co
lor
Bar
" si
gna
l.
Cy
G
B
(I2
C B
US
CO
NT
RO
L)
(2)
Pr
ess
R/
C t
o s
et P
ictu
re N
orm
al c
ond
itio
n.
(to
be
do
ne
aft
er
sub
-pi
ctu
re,
su
b-t
int
ad
j)
(3)
C
onn
ect
the
os
cill
osc
ope
to
R
-Am
p T
ran
sist
or B
ase
(JU
MP
ER
40
1)
Ran
ge
:
100
mV
/Di
v
(A
C)
(Us
ing
10
:1 P
rob
e)
Sw
eep
Ti
me
:
10µ
sec
/Di
v
7
5%
W
Y
1
00%
W
M
g R
(4)
U
sin
g th
e R
/C
cal
l
V0
5
in
SE
RV
ICE
mo
de.
A
dju
st
V0
5
b
us
dat
a, s
o th
at t
he
75%
W
hite
&
Red
po
rtio
ns
of P
AL
Co
lor
Bar
be
a
t th
e
sam
e le
vel
sho
wn
as
Fig
1-1
.
F
ig.
1-1
(5)
C
lea
r th
e S
ER
VIC
E m
ode
.
NT
SC
CH
RO
MA
AD
JU
ST
ME
NT
NO
AD
JUS
TM
EN
T P
OIN
T
AD
JUS
TM
EN
T C
ON
DIT
ION
/ P
RO
CE
DU
RE
WA
VE
FO
RM
OR
OT
HE
RS
1
SU
B-T
INT
(1)
R
ece
ive
the
"N
TS
C 3
.58
Co
lor
Bar
" si
gna
l th
ru A
V i
n.
stra
igh
t lin
e sl
ope
(I2
C B
US
CO
NT
RO
L)
(2)
C
onn
ect
the
os
cill
osc
ope
to
B-A
MP
Tr
ans
isto
r B
ase
(JU
MP
ER
41
0)
.
Ran
ge
:
100
mV
/Di
v
(A
C)
Sw
eep
tim
e :
10µ
sec
/Di
v
(3)
In
Ser
vic
e m
ode
, go
to
V0
7, t
hen
pre
ss
R/
C Y
-m
ute
(H
ex
E4
)
or
FL
AS
HB
AC
K
key
.
(4)
C
all
the
"
V0
7
" d
ata
in
ser
vic
e m
ode
. A
dju
st t
he
"
V0
7
" b
us
da
ta t
o o
bta
in t
he
wa
vef
orm
sh
ow
n a
s F
igu
re 1
-1.
(5)
D
isab
le
Y-M
ute
by
pre
ssin
g k
ey
(H
ex
E4
) or
FL
AS
HB
AC
K
, th
en
cle
ar t
he
S
ER
VIC
E m
ode
.
*N
OT
E :
Ple
ase
ma
ke
sur
e w
ave
for
m i
s ad
jus
ted
un
til g
etti
ng
goo
d s
tep
slo
pe
wh
ich
is
can
be
a s
trai
ght
lin
e sl
ope
at
the
top
of
wa
vef
orm
ste
p.
W
Y
C
y
G
M
g R
B
Fig
.1-1
SEC
AM
CH
RO
MA
AD
JUS
TM
EN
T
NO
AD
JUS
TM
EN
T P
OIN
T
AD
JUS
TM
EN
T C
ON
DIT
ION
/ P
RO
CE
DU
RE
WA
VE
FO
RM
OR
OT
HE
RS
1
SEC
AM
1) R
ece
ive
"SE
CA
M A
LL
WH
ITE
" si
gna
l.
BL
AC
K L
EV
EL
R-Y
/ B
-Y
2) I
n th
e se
rvic
e m
ode
, se
lect
ser
vice
dat
a
V14
.
Fig
2(a
)
(I2C
BU
S C
ON
TR
OL
)
3) C
onn
ect
osc
illo
sco
pe t
o
TP
801
.
Off
set
Ran
ge:
20m
V/D
iv
(AC
)
(use
10:
1 pr
obe
)
Swe
ep t
ime
:
20u
sec/
Div
4) A
dju
st th
e
V14
so
that
the
off
set
of R
-Y
to m
inim
um,
sho
wn
in
Fig
2(b
)
, it
mea
ns
a
dju
st th
e of
fset
of
betw
een
No
sig
nal
line
and
Sig
nal
line
to
min
imu
m
Fig
2(b
)
Off
set
5) I
n th
e se
rvic
e m
ode
, se
lect
ser
vice
dat
a
V15
.
6) C
onn
ect
osc
illo
sco
pe t
o
TP
801
.
Ran
ge:
20m
V/D
iv
(
AC
)
(use
10:
1 pr
obe
)
Swe
ep t
ime
:
20u
sec/
Div
7) A
dju
st th
e
V1
5
so
that
the
off
set
of B
-Y
to m
inim
um,
sho
wn
in
Fig
2(b
)
, it
mea
ns
a
dju
st th
e of
fset
of
betw
een
No
sig
nal
line
and
Sig
nal
line
to
min
imu
m
bec
om
e 1
line