Pioneer KEH-P7400 Service Manual page 10

KEH-P7400,P74560
Function and Operation
DD
yO
Back up power sense input
es
Cd
CY
| sds ACC power sense input
| sd Grille detach sense
Dimmer seiect output
ae El | Powersupply
| 69 X2
x1
ND
pe ORO 5 Sere ck pl — — —
~ Oo
[2 80 — [NE =|
*PD4682A,PD4684A
i=)
[Formats| Meaning, sd
CMOS
| N | Nchannel open drain
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
-*PD4633A
AO0-A17:Address input
00-07 :Data ovtput
CE1,2 :Chip enable input
OE :Output enable input
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