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