Sanyo C21ZM45 Training Manual page 36

Trouble Shooting Chart
Startpoint symptom: Dead
I
keep disconnection and check as follows
Check voltage B1 (+130V) at both
ends of C561
F
I
130V or more
Check voltage B3(+160V) at both
ends of C562
F
I 160V or more
Short circuit on B3 line
C562, R571 , D552
I 4 b
Check voltage B2(+18V) at both
Ov
Short circuit on B2 line
ends of C565
* C565, D555, R562, Cl 81, Cl 80,
I
18V
I IC171
I Short circuit on B5 line
I
Check voltage B5(+15V) on pin 1 of
Ov
IC551
> IC551 , IC552, D554, C564,
R561
I
I
15V
t
w
Short circuit on B6 line
Check voltage B6(+12V) on pin 3
of IC551
*
IC551, C571, Tuner, C101,
I
C107, C117, C291
12V
.
Check voltage B7(+8V) on pin 10
Ov Short
circuit on
B7 line
of Iclol
>
IC552, C572, L161, IC101 ,
D215, C136, C137, C144, C145,
I 8V
C406, C407, C282, C283, C292,
I C293
I
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