Pioneer KEH-P4850J Service Manual page 40

KEH-P4850J
Pin No. Pin Name
67 CLKIN
68 VDD
69 X2
70 X1
71 IC
72 XT2
73 TESTIN
74 AVDD
75 AVREF0
76 SL
77-80 NC
*PE5053A
80
1
20
21
*PD6278C
33
48
40
I/O Format Function and Operation
I Clock input
VDD
Oscillator output
Oscillator input
Connect to GND
Sub Clock terminal
I Test program mode input
A/D converter analog power supply (VDD)
I A/D converter standard voltage input
I Signal level input
Not used
61
60
41
40
16
1
Format
C
N
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Meaning
C MOS
N Channel open drain