TROUBLE SHOOTING TABLE (Continued)
NEITHER VERTICAL NOR
HORIZONTAL SYNCHRONIZATION
CIRCUIT TO BE CHECKED:
l
Sync. Separator Circuit.
3-
,..--------------_
I
I
Check
IC801
and
Q401.
I
---------------I
*]
j/
Vertical linearity is abnormal.
I
I
1
I
I
I
*
i-
Che-ck
R5;10,
G-13,-c514-
;
1
and
C501.
I
------------,--I
*
-
I----------
_-_-_
]
Check
C515,
C519,
R511,
;
,
_
FE13
and
R514.
------,-,-a--J
NO VERTICAL SCAN
I
Check
IC501
bias.
I--
,
Normal
1
I
1
Abnormal
J
I
I
I
I
I
Check 0506.
I
I
Check
IC501.
l---------------l
I
I
------_------_-I
TROUBLE SHOOTING TABLE (Continued)
(
NO SPECIFIC
COiOU$
NO
Is some colour produced in
YES
BNJ broadcast reception
?
I
*
-------
---_-__
i
Check
IC801,
R809,
R810,
i
,
R811,
D801,
D802,
D803,
1
I
Q801,
Q802,
Q803,Q804
:
and
Q805.
;
I
---------------
+
yEs
Is the white balance properly
,
adjusted ?
NO
r----m.---------_
I
I
I
Readjust the white balance.
I
I ----,----------I
+,
+,
+,
The
prcture
colour
IS
magenta.
+
r--------------v
w
r-------------__
*
r---------_-____
I
Check
Q851
and its
;
I
Check Q852 and its
;
I
i
_
_
adjacent circuits.
I
Check
Q853
and its
I
adjacent circuits.
I
-w--v
--------I -----____---__-I
,
_
_
adjacent circuits.
;
-------------I
NO SPECIFIC COLOUR
“PAL”/“SECAM”/“NTSC”
(NO COLOUR
SYNCHRONISATION)
i
Check
X801,
C810,
C815,
;
,
_C8_‘6
and
R814.
-
------------I