Sharp XV-ZW99U Service Manual page 33

I
xwzw99u
TROUBLE SHOOTING TABLE
(Coutinued)
I
Checking the R signal line of output PWB
specified?
1 Yes
No;
'.'
) Check pin (47) line of connector
sc1001
i
*__
Are output at pin (25) of IClOlO as 1
No :.,,, ..,,
!
* i
specified?
IC1010 or nearby circuit in trouble
:
specified?
I Yes
*. IC1012 or nearby circuit in trouble i
:
Are signal outputs at pins (17) (19), (21),
(27), (29) and (31) of IClOl l?
j_: IClOll or nearby circuit in trouble /
-
N,,
:"
,.
Are signal fed at pins (2) thru (7)
y Connector SC1 013 poorly soldered or
of connector SC1 013 as specified? in trouble
No /
Does flicker happen?
-'_ A to "Checking the image for sifting"
i
:
I 1 No 1
) No
Is PSIG signal at pin (1) of connector
SC1 013 as specified?
Does PSIG signal at pin (1) of IClOl l?
I
Yes
1
No
I
:
Is Common bias at pin (24) of connector
SC1 013 as specified?
h
/
Q1006-1009 or their signal line trouble
i
4
Ye=
Panel in trouble
k
IC1006, IC1009, IClOll or nearby
circuit in trouble
T..
QlOlO-1013 or their signal line trouble
Checking the image for shifting
No;' "'
IC1006 or nearby circuit in trouble
i
Panel in trouble
I
j IC1008, IC1009 or nearby circuit in
trouble
33