D. Vertical Deflection Failure
check
3578,3580
good
basic check
+15/-15V
Sympton :
one horizontal line
V_size is abnormal
too large/small
check 7567
Pin2,pin3?
check
+15V,3569,6567
good?
replace
3578,3580,7567
No
Ok
replace
3569,6567,7567
Ok
No
check
7421
check
3571,3572
Ok
No
85
202P4 M25P
Repair Flow Chart
Summary of Contents for 202P4
Page 31: ...Terminal Schematic Diagram A1 Go to cover page ...
Page 33: ......
Page 34: ......
Page 35: ...Go to cover page ...
Page 37: ...Key Control Schematic Diagram 202P4 M25P 32 34 Go to cover page E ...
Page 39: ...Go to cover page ...
Page 41: ......
Page 43: ...Power Schematic Diagram C C1 C6 C2 C7 C3 C4 C5 C9 C8 Go to cover page ...
Page 45: ...Drive Schematic Diagram 202P4 M25P 32 38 D Go to cover page ...
Page 91: ...83 202P4 M25P Repair Flow Chart Go to cover page 7 0 2 ...