Sony D98 chassis Operation Manual page 51

Check soldering
of IC1006
or Replace
10
Check
IC1001,1005
N BOARD
10
Check the connection
between D and
N board
OK
No
Is
3.3V+/-0.1V
present on +side of
C1014?
Yes
Is
2
I C BUS LINE
No
(CN1003 pin5,7)
has plus
communication ?
Yes
Check for solder
bridge, crack
or any mount mistakes
OK
Change
N board
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