Circuit Boards Location - Sony STR-DE495 Service Manual
Fm stereo/fm-am receiver
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Also See for STR-DE495:
- Operating instructions manual (95 pages) ,
- Service manual (54 pages) ,
- Easy setup manual (2 pages)
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Q Q
3 7 6 3 1 5 1 5 0
Pin No.
Pin Name
I/O
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
T E
L
1 3 9 4 2 2 9 6 5 1 3
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
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Pin Description
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8
9
4-2. CIRCUIT BOARDS LOCATION
STANDBY board
POWER board
HEADPHONE board
DISPLAY board
Q
Q
3
7
6
3
1
5
1
c o
.
15
15
STR-DE495/DE595
2
4
2
9
8
BRIDGEABLE board
(STR-DE595 only)
VIDEO board
5
0
8
9
2
4
9
8
2
VOL board
m
9
9
DIGITAL board
MAIN board
9
9
- Quick Links:
- Schematic Diagram - Main Section (1/2)
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