Read Sony STR-DK5 Service Manual online
39
STR-DK5
Pin No.
Pin Name
I/O
Pin Description
55
HP_DETECT
I
Headphones detection signal input
56
POWER_KEY
I
Power key detection signal input
57
FL_LAT
O
Latch signal output for FL driver IC
58
POWER_RY
O
Power relay driver control signal output
59
FL_DATA
O
Serial data output for FL driver IC
60
FL_CLK
O
Clock signal output for FL driver IC
61
PROTECTOR
I
Protector detection signal input
62
NOT USED
O
Not used (Fixed at L)
63
INPUT ENC (A)
I
INPUT SELECTOR encoder (A) signal input
64
INPUT ENC (B)
I
INPUT SELECTOR encoder (B) signal input
65
ECHO ENC (A)
I
Not used (Fixed at H)
66
ECHO ENC (B)
I
Not used (Fixed at H)
67
HP_RY
O
Not used (Open)
68
FUSE_DETECT
I
Fuse open detection signal input
69
FRONT_RY
O
Front speaker relay driver control signal output
70
C/SW RELAY
O
Center speaker relay driver control signal output
71
SURROUND RY
O
Surround speaker relay driver control signal output
72
BRIDGEABLE_RY
O
Not used (Open)
73
DO
I
Tuner serial data input
74
SLATCH
O
Tuner latch signal output
75
TUNED
I
Tuned signal detection input
76
STEREO
I
Stereo signal detection input
77
RSTX
I
Reset signal input
78
MUTE
O
Tuner mute signal output
79
X1A
—
Not used (Open)
80
X0A
—
Not used (Connect to VSS)
81
VSS
—
Ground
82
X0
—
Clock signal input (24 MHz)
83
X1
—
Clock signal output (24 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
MUSIC ENC (A)
I
MUSIC VOLUME encoder (A) signal input
86
MUSIC ENC (B)
I
MUSIC VOLUME encoder (B) signal input
87
K-OK RY
O
KARAOKE/music select relay control signal output for KARAOKE CONTROL IC
88
K-OK R/W
O
KARAOKE read/write signal output for KARAOKE CONTROL IC
89
K-OK CLK
O
KARAOKE clock signal output for KARAOKE CONTROL IC
90
K-OK STB
O
KARAOKE strobe signal output for KARAOKE CONTROL IC
91
NOT USED
O
Not used (Fixed at L)
92
BST_SEL
O
96/24 signal output for DSP IC
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
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