Pioneer DEH-4700MP, Service Manual

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DEH-4700MP/XU/EW
56
1 2 3 4
1 2 3 4
C
D
F
A
B
E
-
Pin Functions(PD6340A)
Pin No. Pin Name I/O Function and Operation
1-5 SEG4-0 O LCD segment output
6-9 COM3-0 O LCD common output
10 VLCD LCD drive power supply
11-14 KST3-0 O Key strobe output
15,16 KDT0,1 I Key data input (analogue input)
17 REW I Remote control reception input
18 DPDT I Display data input
19 NC Not used
20 KYDT O Key data output
21 MODA GND
22 X0 Crystal oscillator connection pin
23 X1 Crystal oscillator connection pin
24 VSS GND
25,26 KDT2,3 I Key data input
27 NC Not used
28 KST4 O Key strobe output
29-32 NC Not used
33-55 SEG35-13 O LCD segment output
56 VDD Power supply
57-64 SEG12-5 O LCD segment output
* PD6340A
NJM2388F84
49
48
33
32
17
16 1
64
1 2 3
VDD
GND
5 4
VOUT
N.C. N.C.
Vref