Yamaha PSR-S650, Service Manual

Page: 22 / 70

PSR-S650
22
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VSS
AB12
AB11
AB10
AB9
AB8
HIOVDD
AB7
AB6
AB5
AB4
COREVDD
AB3
AB2
AB1
AB0
VSS
FPDAT3
FPDAT2
FPDAT1
FPDAT0
NIOVDD
FPSHIFT
XECL
COREVDD
FPLINE
MOD
VSS
YSCL
FPFRAME
YDIS
NIOVDD
–
I
I
I
I
I
–
I
I
I
I
–
I
I
I
I
–
O
O
O
O
–
O
O
–
O
O
–
O
O
O
–
Ground
Adorress bus
Power supply
Adorress bus
Power supply
Adorress bus
Ground
Data bus
Power supply
Shift clock
X driver enable chain clock
Power supply
Latch pulse
Frame signal
Ground
Scan shift clock
Scan start pluse
LCD power-down output
Power supply
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64 VSS
XCD1
XCG1
RESET#
SCANEN
TESTEN
CLKI
COREVDD
RD#
WR#
CS#
DB7
DB6
DB5
DB4
HIOVDD
DB3
DB2
DB1
DB0
VSS
WAIT#
HIOVDD
CNF0
CNF1
CNF2
CNF3
CNF4
AS#
AB15
AB14
AB13
–
O
I
I
I
I
I
–
I
I
I
I/O
I/O
I/O
I/O
–
I/O
I/O
I/O
I/O
–
O
–
I
I
I
I
I
I
I
I
I
Ground
Drain output
Gate input
Reset
Test mode set up input
Externally sourced system clock
Power supply
Read strobe
Write strobe
Chip select
Data bus
Power supply
Data bus
Ground
Wait output
Power supply
Input pin for S1D 13700 setting
Address strobe
Address bus
S1D13700F01A100
(X5422A00)
LCD CONTROLLER
DM: IC7
AK4385ET
(X6040A01)
DAC
(Digital to Analog Converter)
DM: IC15
PIN
NO.
NAME I/O FUNCTION
1
2
3
4
5
6
7
8 MCLK
BICK
SDTI
LRCK
PDN
CSN
CCLK
CDTI
I
I
I
I
I
I
I
I Master Clock
Audio Serial Data Clock
Audio Serial Date Input
L/R Clock
Power Down mode
Chip Select
Control Data Input
Control Data Input
PIN
NO.
NAME I/O FUNCTION
9
10
11
12
13
14
15
16
AOUTR-
AOUTR+
AOUTL-
AOUTL+
Vss
VDD
DZFR
DZFL
O
O
O
O
-
-
O
O
Rch Analog out(-)
Rch Analog out(+)
Lch Analog out(-)
Lch Analog out(+)
Ground
Power Supply
Rch Data Zero Input Detect
Lch Data Zero Input Detect