Hitachi 36SDX88B Service Manual page 116

1. NoSound
+
Set the INT. SP Mode "ON"
YES
ABNORMAL
U 101 Defective
NORMAL
I
NORMAL NORMAL
Iov
)I
Defective 9V-B rail
of 1401 pin 24 and 25
b
See item 3
NORMAL
1405 defective
Speaker Defective
116