Read Sony STR-DA3ES / STR-DA5ES / STR-VA555ES Service Manual online
48
STR-DA3ES/DA5ES/VA555ES
Pin No.
Pin Name
I/O
Description
51
A1O
O
Control A1 signal output to UART
52
MD2
I
Mode signal input
53
MD1
I
Connected to VCC
54
MD0
I
Mode signal input
55
RSTX
I
system reset input
56
VCC
—
Power supply +3.3V
57
X1
I
External crystal terminal (16.5MHz)
58
X0
O
External crystal terminal (16.5MHz)
59
VSS
—
Ground
60
STOP
I
AC power OFF signal input
61
RDS CLK
I
Clock signal input from RDS
62
POWER SW
I
Power switch input
63
MBUS-STS1
I
M-BUS status input
64
MBUS-STS2
I
M-BUS status input
65
MBUS-STS3
I
M-BUS status input
66
SIRCS
I
SIRCS serial data input
67
MBUS-STS4
I
M-BUS status input
68
VCC
—
Power supply +3.3V
69
PWRY
O
AC power relay drive signal output
70
MSTO
O
M-BUS status output
71
HP
I
headphone connect signal input
72
PROT
I
Power amp protector signal input
73
ACMUTE
O
Power amp muting signal output
74
OSD-VSINC
I
V-sync signal input from MB90089F
75
SAM/SS
O
SAM/SS select signal output
76
OSD-LAT
O
OSD latch signal output
77
VCC
—
Power supply +3.3V
78
RY-STB
O
STB signal output to NJU3716M
79
RY-CLR
O
Clear signal output to NJU3716M
80
FUN-LAT
O
Latch signal output to audio selector
81
VIDEO-RCK
O
RCK signal output to video selector
82
SSM/SCK
O
Clock signal output to SSM
83
VOL-LAT
O
Latch signal output to EVR
84
TUN-TUNED
I
Tuned signal input from tuner
85
TUN-STEREO
I
Stereo signal input from tuner
86
TUN-LAT
O
Latch signal output to tuner
87
TUN-DO
O
Serial data output to tuner
88
TUN-MUTE
O
Mute signal output to tuner
89
A1I
I
Control A1 signal input from UART
90
COM-CLK
O
Common clock output
91
COM-DATA
O
Common data output
92
RDS-DATA
I
Serial data input from RDS
93
RST TRG
O
Reset trigger output
94
PG3/OPTC
O
Digital (optical) input select signal output
95
PG4/OPTB
O
Digital (optical) input select signal output
96
PG5/SSMRST
O
Reset signal output to SSM
97
VCC
—
Power supply +3.3V
98
VSS
—
Ground
99
EEPROM SDA
I/O
Serial data input/output to EEPROM
100
EEPROM SCL
O
Clock output to EEPROM
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