Pioneer DEH-3900MP Service Manual page 56

1
Pin No. Pin Name
129 NC
130 KEYD
A
131,132 NC
133 P7AVSS
134 P7AVDD
135 AVSS
136 SL
137-140 NC
141 MODELAD
142 KEYAD
143 NC
144 AVREF0
PN5009A
B
109
144
C
D
- Pin Layout
12
E
11
10
9
8
7
6
5
4
3
F
2
1
56
1
2
Function and Operation
I/O Format
Not used
Wired remote control input
I C
Not used
GND for port 7
VDD for port 7
A/D converter GND
Signal level input
I
Not used
Model select terminal
I
I Wired remote control AD input
Not used
A/D converter reference voltage
72
BA4918-V12
- Block Diagram
37
+B 10
SW5VCONT 4
SYSPW 3
VDDCONT 1
GND
NC
+B
+BUP
VDD
SYS+B
SWVDD
SW5V
GND 12
SW5VCONT
SYSPW
BSENS
VDDCONT
DEH-3900MP/XN/EW5
2
3
Overvoltage
Protection
(OFF except VDD)
Pre Reg
TSD Vref
+B
Reduced-voltage
Detection
+B
Overvoltage Detection
3
4
Format Meaning
C CMOS
N Nch open drain
9
Overvoltage
Protection
(All Ourput OFF)
8
+B
5
+B
7
+B
6
VDD
2
VDD
4
+BUP
VDD
SW5V
SYS+B
SWVDD
BSENS