STR-DE495/DE595
15
15
4-2. CIRCUIT BOARDS LOCATION
MAIN board
VOL board
STANDBY board
BRIDGEABLE board
(STR-DE595 only)
VIDEO board
DIGITAL board
POWER board
HEADPHONE board
DISPLAY board
Pin No.
Pin Name
I/O
Pin Description
57, 58
NC
I
Not used (Fixed at L)
59
VOL (B)
I
Volume encoder signal input
60
VOL (A)
I
Volume encoder signal input
61
DIN
O
Serial data output for FL driver IC
62
CLK
O
Clock signal output for FL driver IC
63
FL_STB
O
Latch signal output for FL driver IC
64
NC
—
Not used (Fixed at L)
65
POWER RELAY
O
Power relay driver control signal output
66
PROTECTOR
O
Protector detection signal output
67
HEADPHONE RELAY
O
Headphone relay driver control signal output
68
WOOFER RELAY
O
Sub woofer relay driver control signal output
69
REAR RELAY
O
Surround speaker relay driver control signal output
70
CENTER RELAY
O
Center speaker relay driver control signal output
71
PREOUT/FRONT RELAY
O
Speaker A relay driver control signal output
72
R1 RELAY
O
Bridgeable relay driver control output (STR-DE595 only)
73
TUNED
I
Tuned signal detection input
74
STEREO
I
Stereo signal detection input
75
MUTE
O
Tuner mute signal output
76
DO
I
Tuner serial data input
77
RSTX
I
Reset signal input
78
SLATCH
O
Tuner latch signal output
79
X0A
—
Not used (Open)
80
X1A
—
Not used (Connect to VSS)
81
VSS
—
Ground
82
X0
—
Clock signal input (16 MHz)
83
X1
—
Clock signal output (16 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85, 86
NC
—
Not used (Fixed at L)
87 to 90
SW4 to SW1
O
Video select signal output
91, 92
NC
—
Not used (Fixed at L)
93
XMODE
O
Xmode signal output for DIR IC
94
CKSEL1
O
Clock select signal output for DIR IC
95
CLK
O
Data clock signal output for DIR IC
96
CE
O
Latch signal output for DIR IC
97
DI
O
Data output for DIR IC
98
DO
I
Data input from DIR IC
99
ERROR
I
Error detection signal input from DIR IC
100
XSTATE
I
Xstate signal input from DIR IC