Advertisement
D. Vertical Deflection Failure
Symptom :
one horizontal line
V_size is abnormal
too large/small (small)
Back
Repair Flow Chart (Continued)
basic check
+13/-13V
check
7503
pin 12, 13
No
replace
7503
107P2 CM 25 GSIII
Go to cover page
check
+78V,
Ok
good?
pin1,pin7 ramp
71
Ok
check 7404
exist ?
No
check
3401,3402
Forward
Advertisement
