Pioneer DEH-2700/XU/UC Service Manual page 50

1
- Pin Functions(PD6340A)
Pin No. Pin Name
1-5 SEG4-0
A
6-9 COM3-0
10 VLCD
11-14 KST3-0
15,16 KDT0,1
17 REW
18 DPDT
19 NC
20 KYDT
21 MODA
22 X0
23 X1
B
24 VSS
25,26 KDT2,3
27 NC
28 KST4
29-32 NC
33-55 SEG35-13
56 VDD
57-64 SEG12-5
* PD6340A
C
64
49
D
NJM2388F84
5
E
Vref
1
F
50
1
2
I/O Function and Operation
O LCD segment output
O LCD common output
LCD drive power supply
O Key strobe output
I Key data input (analogue input)
I Remote control reception input
I Display data input
Not used
O Key data output
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
I Key data input
Not used
O Key strobe output
Not used
O LCD segment output
Power supply
O LCD segment output
17
32
4
2 3
DEH-2700/XU/UC
2
3
NJM2885DL1-33
Thermal
Protection
Bandgap
Reference
1 2
IN GND
3
4
3
OUT
4