Pioneer VSX-C550-S Service Manual page 67

5
QQ
3 7 63 1515 0
No. Pin Name
51 FANL
52 FANH
53 AMUTE
54 VIDEO1
55 VIDEO2
56 VIDEO3
57 4094 ST
58 731* CS
59 IATT
60 EVOL ST
61 DSP MT
62 EXP OE
63 3712 ST
64 SYS DT
65 SYS CK
66 CODEC CS
67 CRST
68 ABOT
69 CODEC PD
70 S21
71 S20
72 S19
73 S18
74 S17
75 S16
76 S15
TE
L 13942296513
77 S14
78 S13
79 S12
80 S11
81 S10
82 S9
83 S8
84 S7
85 S6
86 S5
87 S4
88 S3
89 VDD
90 S2
91 S1
92 G11
93 G10
94 G9
95 G8
96 G7
97 G6
98 G5
99 G4
100 G3
www
.
5
http://www.xiaoyu163.com
6
I/O
O FAN L rotation
O FAN H rotation
O Audio mute
O
O Video input function select
O
O Strobe of expansion IC (for 4094)
O Chip select of NJU7311 - 7313
O Input ATT switch
O Strobe signal for communication with the electronic volume
O DSP mute (Assy mute)
O OE of expansion IC
O Strobe of expansion IC (for 3712)
O Common bus data
O Common bus clock
O Chip select for CODEC communication
O Reset for crystal DSP
O ABDOT for crystal DSP
O Reset for CODEC communication
O Segment output 3 to 21
−
5V
O Segment output 1 and 2
O
Grid output 3 to 10
x ao u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
Function
Q Q
3 6 7 1 3 1 5
co
.
VSX-C100-S
7
9 4 2 8
0 5 8 2 9 9 4 2 8
m
8
9 9
Active
A
H
H
H
H
H
H
H
H
H
H
H
B
H
H
H
H
H
H
H
H
H
H
H
C
H
H
H
H
9 9
H
H
H
H
H
H
H
D
H
H
H
H
H
H
H
H
H
E
H
H
H
H
H
H
H
F
63
8