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Trouble Shooting Chart
Startpoint symptom:
No colour
.
Yes
No colour on NTSC system
Q222, X202
Yes
No colour on PA1/SECAM system
*
Q221 , X201
I
No
1
No colour on SECAM system
L
+
No
Yes
v
n
A
Iv
Horiz.
Check waveform on pin 5
No
of IC290
b
R290, L291 , R291 , Q291
I
Yes
I
1
I
I
P!!!!-ld
Horiz.
No
IC290, R798, Q716, Q292,
EzEzl
R293, C288, C285, L281
I
Yes
Q203, IC280, C280, C281
I
No colour on all of systems
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1
I
-45-
A7-A
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