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L
Trouble Shooting Chart
Startpoint symptom:
No picture/No sound
I
Is CRT heater lighting ?
~
'OtOchaH''Dead
Yes
v
8V
Check voltage on pin 16 of ICI 01
*
Q202, C217, R213, R738
I
Ov
Check voltage on Q581 collector
10-15V
0'=
v
I
Check voltage on pin 27 of IC701
IC701 , L709, L703, C721 , C722,
L707, C583
5V
v
Check voltage on both ends of
C716
"~
33V
v
NO
IC701 , L702, Q711, L706, R763,
Is tuning voltage changing at
terminal TU on tuner when tuning ?
-
R749, R750, C731 , C732, Cl 05,
I
X701
Yes
t
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A7-A
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