Sony LBT-A590 Service Manual page 40

Description
Double Function
the similar function to PO. FLD automatic indication terminal.
igh level pressure-resistant P channel
\l-down resistance is built in between
jel in reset.
FLD automatic indication terminal.
the similar function to PO.
FLD automatic indication terminal
rt with the similar function to P2
nd high level pressure-resistance P
output form. However, pull-down
in
FLD automatic indication terminal.
ing to pull-down resistance of port PO, P1, P2 and P3.
f A-D converter. Add the same electric potential as VSS.
ut terminal of A-D converter.
ort with the similar function to P2
d CMOS3 state output form.
FLD automatic indication terminal.
4-2. BLOCK DIAGRAM
A790_ ONLY.
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