Read Sony STR-DA3ES / STR-DA5ES / STR-VA555ES Service Manual online
49
STR-DA3ES/DA5ES/VA555ES
101
VSS
—
Ground
102
HCLK
O
H clock output to all DSP
103
HDIN
O
H data output to all DSP
104
SPMAIN
I
Speaker select switch signal input
105
OSD-CLK
O
Clock output to MB90089F
106
OSD-DAT
O
Serial data output to MB90089F
107
SSM/MISO
I
Serial data input from SSM
108
SSM/MOSI
O
Serial data output to SSM
109
SOT1
O
Serial data output to RS-232C
110
SIN1
I
Serial data input to RS-232C
111
FL CLK
O
Clock signal output to FL display
112
FL DIN
O
serial data output to FL display
113
FL LAT
O
Latch signal output to FL display
114
FL CLR
O
Clear signal output to FL display
115
SP2ND
I
Speaker select switch signal input
116
JOGUP
I
JOG dial up signal input
117
JOGDOWN
I
JOG dial down signal input
118
FUNCUP
I
Function dial up signal input
119
FUNCDWN
I
Function dial down signal input
120
VOLUP
O
Volume dial up signal output
121
VOLDWN
O
Volume dial down signal output
122
VCC
—
Power supply +3.3V
123
OPTA
O
Digital (optical) input select signal output
124
LEDCLR
O
Clock output to LED driver
125
LEDSTB
O
Strobe signal output toLED driver
126
DAVS (VSS)
—
Ground
127
DAVC (VCC)
—
Power supply +3.3V
128
AVCC (VCC)
—
Power supply +3.3V
129
AVRH (VCC)
—
Power supply +3.3V
130
AVRL (VSS)
—
Ground
131
AVSS (VSS)
—
Ground
132
AD1
I
Key function A/D input
133
AD2
I
Key function A/D input
134
AD3
I
Key function A/D input
135
AD4
I
Key function A/D input
136
AD5
I
Key function A/D input
137
VERSION
I
Version set terminal
138
RDS SIGNAL
I
RDS signal input
139
A/D VOLUME
I
Key function A/D input
140
VCC2
—
Power supply +3.3V
141
BACKUP
I
Connected to VCC
142
GND
—
Ground
143
OPN
I
Not used (open)
144
VSS
—
Ground
Pin No.
Pin Name
I/O
Description
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