Hitachi 46UX51K Service Manual page 38

6. No sound (when Surround off)
OV or lower
32V
E992
+32V Power Supply
Yes
No
IS05
(1) Check the 12C bus (SCL, SDA)
(2) Check IGOl (GEQ IC)
Yes
No
IS01
(1) Check the Bus-Line
(clock, data, enable)
(2) Check IS02
Yes
No
IS12
(1) Check the @ pin of IS12
Yes
No
v
UlOl
I
IYOl
(1) Check the 12C bus (SCL3, SDA3)
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