Pioneer DEH-2000R Service Manual page 62

DEH-2000R,2030R,2020R
- Pin Functions (PD6294A)
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
kd$-kd!
13-16
17-22 KST6-KST1
23 VDD
24-73 SEG49-0
74-77 COM3-0
78 VLCD
79,80 V2,V1
*PD6294A
21
40
PAL005A
Protector
Mute
Amp2
STBY
3 4 5
1 2
62
I/O Function and Operation
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Not used
I Connect to GND
Not used
O Key data output
I Display data input
I Remote control pulse input
Not used
I Key data input
O Key strobe output
VDD
O LCD segment output
O LCD common output
I LCD voltage input
Power supply terminal
80
61
Mute
Amp1
6
7
8 10 11
9
BR9010FV
NC
1
VCC
2
CS
SK
DI
DO
CS
3
WC
SK 4
17
12 13 15 16
14
8
7
: Chip select input
: Serial data clock input
: Serial data input
: Serial data output
6
: Write control input
5
Mute
Mute
Amp3
Amp4
23
20 21 22
18 19
WC
GND
DO
DI
24 25