Pioneer DEH-1950/XU/CN5 Service Manual page 52

1
Pin No. Pin Name
SL
136
137-140 NC
A
141 MODELAD
142 KEYAD
143 NC
144 AVREF0
PN5010A
109
B
144
BA4918-V12
- Block Diagram
+B 10
Overvoltage
C
Protection
(OFF except VDD)
TSD
SW5VCONT 4
D
SYSPW
3
VDDCONT 1
E
GND 12
F
52
1
2
Function and Operation
I/O Format
I Signal level input
Not used
I Model select terminal
Wired remote control AD input
I
Not used
A/D converter reference voltage
72
37
Pre Reg
Vref
+B
VDD
Reduced-voltage
Detection
+B
VDD
Overvoltage Detection
DEH-1950/XU/CN5
2
3
Format
C
N
- Pin Layout
9 +BUP
Overvoltage
Protection
(All Ourput OFF)
8 VDD
+B
SW5V
5
+B
7 SYS+B
+B
SWVDD
6
2 BSENS
3
4
Meaning
CMOS
Nch open drain
12 GND
11 NC
10 +B
9 +BUP
8 VDD
7 SYS+B
6 SWVDD
5 SW5V
4 SW5VCONT
3 SYSPW
2 BSENS
1 VDDCONT
4