Pioneer SX-SW77 Service Manual page 66

1
Pin Function
No. Pin Name
A
1 LED1
2 LED2
3 LED3
4 LED4
5 OSC
6 DOUT
7 DIN
8 CLK
9 STB
10 K1
B
11 K2
12 VSS
13 VDD
14 SG1/KS1
15 SG2/KS2
16 SG3/KS3
17 SG4/KS4
18 SG5/KS5
19 SG6/KS6
20 SG7/KS7
C
21 SG8/KS8
22 SG9/KS9
23 SG10/KS10
24 SG11/KS11
25 SG12/KS12
26 SG13/KS13
27 SG14/KS14
28 SG15/KS15
29 SG16/KS16
30 VEE
D
31 SG17/GR12
32 SG18/GR11
33 SG19/GR10
34 SG20/GR9
35 SG21/GR8
36 SG22/GR7
37 SG23/GR6
38 SG24/GR5
39 GR4
40 GR3
E
41 GR2
42 GR1
43 VDD
44 VSS
F
66
1
2
I/O
O LED output pin
I Oscillator input pin
O Data output pin
I Data input pin
I Clock input pin
I Serial interface strobe pin
I Key data input pin
−
Logic ground pin
−
Logic power supply
O High-voltage segment output pin
−
Pull-down level
O High-voltage segment / Grid output pin
O High-voltage grid output pin
−
Logic power supply
−
Logic ground pin
SX-SW77
2
3
Pin Function
3
4
4