Read Sony STR-DE597 Service Manual online
STR-DE597
15
15
4-2. CIRCUIT BOARDS LOCATION
Pin No.
Pin Name
I/O
Pin Description
54
SIRCS
I
SIRCS signal input
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
HP_RY
O
Headphones relay driver control signal output
63
FUSE_DETECT
I
Fuse open detection signal input
64
A1_OUT
O
Not used (Fixed at L)
65
A1_IN
I
Not used (Fixed at L)
66
FRONT_RY
O
Front speaker A relay driver control signal output
67
SP_B_RY
O
Front speaker B relay driver control signal output
68
C_RY
O
Center speaker relay driver control signal output
69
REAR_RY
O
Surround speaker relay driver control signal output
70
SW_RY
O
Sub woofer relay driver control signal output
71
NC
—
Not used (Fixed at L)
72
BRIDGEABLE_RY
O
Bridgeable relay driver control signal output
73
D0
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 (16 MHz)
83
X1
—
Clock signal output (16 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
GROUPING_SW
—
Not used (Open)
86 to 89
SW1 to SW4
O
Video select signal output
90
SELECT2
O
Digital input select 2 signal output
91
SELECT1
O
Digital input select 1 signal output
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
DIGITAL board
POWER board
STANDBY board
AC SELECT board
(E2 model only)
(E2 model only)
BRIDGEABLE board
VIDEO board
SB AMP board
SPEAKER board
MAIN board
TUNING board
HEADPHONE board
DISPLAY board
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