Pioneer DEH-P5750MP Service Manual page 59

5
- Pin Functions (PD2072A)
Pin No. Pin Name
1 X0
test
2
3 VDD
adj
4
5 DIM
6 RESET
7,8 NC
9 REM
10,11 NC
kdt0-3
12–15
16,17 NC
18 SO
19 SI
20 NC
21–75 SEG55-1
76–84 COM0-7
85–90 KST1-6
91,92 NC
93-96 V4-1
97,98 C1,C0
99 VSS
100 X1
* PD2072A
51
80
BD4834G
5
Vref
1 2
5
6
I/O Function and Operation
Crystal oscillator connection pin
I Test input
Power supply
O LCD brightness adjustment output
O Dimmer output
I Reset input
Not used
I Remote control reception input
Not used
I Key data input
Not used
O System micro computer UART communication data output
I System micro computer UART communication data input
Not used
O LCD segment output
O LCD common output
O Key strobe output
Not used
LCD drive power supply
Not used
GND
Crystal oscillator connection pin
HA12240FP
30
1
4
3
DEH-P5750MP/XM/ES
6
7
STB VCC BUS+
8 7
BIAS
+
-
RECEIVER
OUTPUT
1 2
S1 R
7
8
BUS-
6 5
DRIVER
OUTPUT
COM
3 4
S2 GND
8
A
B
C
D
E
F
59