General Information; Parts - Pioneer DEH-66DH Service Manual

DEH-66DH,46DH

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
- Pin Functions (PD6197A)
Pin No. Pin Name
1 VSS
2 X1
3 X0
4 NC
5,6 MOD1,0
7 NC
8 KYDT
9 DPDT
10 REMIN
11,12 NC
kd4-kd1
13-16
ks6-ks2
17-21
22 NC
23 VDD
24-73 SEG0-49
74-77 COM3-0
78 VLCD
79,80 V2,V1
*PD6197A
21
40
58
I/O Function and Operation
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Not used
I Connect to GND
Not used
O Display/key data output
I Display/key data input
I Remote control pulse input
Not used
I Key data input
O Key strobe output
Not used
VDD
O LCD segment output
O LCD common output
I LCD voltage input
Power supply terminal
80
61
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
*PD4623B
64
1
16
17
49
48
33
32