Pioneer DEH-1850 Service Manual page 49

5
QQ
Pin No. Pin Name
3 7 63 1515 0
69,70 X2,1
71 IC(VPP)
72 NC
73 VSS
74 AVDD
75 AVREF1
76 SL
77,78 NC
79 BSRQ
80 STRKEY1
*PE5518A
1
20
TE
L 13942296513
PAL007B
sw_vcc
www
.
5
http://www.xiaoyu163.com
6
Function and Operation
I/O
Crystal oscillator connection pin
GND
Not used
VSS
VDD
VDD
I Signal level input
Not used
Bus slave service request
I
Wired remote control input 1
I
IC's marked by * are MOS type.
60
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
41
+ -
+ - + - + -
1 4 5 6 7 8 9
2 3
x ao u163
y
i
6
http://www.xiaoyu163.com
2 9
8
Q Q
3 6 7 1 3 1 5
amp_vcc
+ -
12 13 14 15 16 17
10 11 18 19
co
.
DEH-1850/XN/ES
7
9 4 2 8
0 5 8 2 9 9 4
+ -
+ - + -
sw_vcc
stby
20 21 22 23 24 25
m
7
8
9 9
A
B
C
2 8 9 9
D
E
F
49
8