Sony STR-SL50 Service Manual ▷ View online
5
5
STR-SL50
SECTION 3
DIAGRAMS
• Circuit Boards Location
DIGITAL board
MAIN board
DISPLAY board
POWER SW board
STANDBY board
For schematic diagrams.
Note:
Note:
• All capacitors are in µF unless otherwise noted. p : pF. 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Circled numbers refer to waveforms.
• Signal path.
F
: ANALOG
J
: DIGITAL
c
: DVD
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each block.)
(In addition to this necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
• Waveforms
– DIGITAL Board –
– DIGITAL Board –
1
IC1201 qs
(MCLK2)
2
IC1101 wa
(XOUT)
3
IC1601 id
(X1)
1V/DIV, 40ns/DIV
1V/DIV, 40ns/DIV
1V/DIV, 40ns/DIV
4.1 Vp-p
74 ns
3.4 Vp-p
62.4 ns
81.3 ns
4.3 Vp-p
Note:
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
6
6
STR-SL50
3-1. Block Diagrams – Main Section –
• Signal Path
: ANALOG
: DIGITAL
: DVD
9
MCLK1
12
MCLK2
69
28
29
22
30
20
19
23
24
25
18
GP8
5
DIN2
LRCKI2
BCKI2
KFSIO
SDI2
BCKO
29 VIDEO-MUTE
26 VIDEO-SW2
22 VIDEO-SW1
LRCKO
SDO1
SDO2
SDO3
SDI1
4
5
6
7
8
9
BCLK
43
CDT1
LRCK
SDTI1
SDTI2
SDTI3
27
28
23
25
26
LOUT1
ROUT1
LOUT3
LOUT2
ROUT2
24
ROUT3
SDTO
14 SCKOUT
6
CS
59 2 32 33 34 35 36 56
39
MCLK1
AUDIO
INTERFACE
OUTPUT
CIRCUIT
CIRCUIT
MUTE
Q361-366
VO
L
UME
SELECT
OR
AMP
ATT
AMP
INPUT
CIRCUIT
PROTECT DET
Q730-732
FUNCTION
MUTE SW
Q1601, 1602
MUTE
DRIVE
Q379
42
CCLK
41
CS
13
CS
12
SCL
10
CDT1
14
DA
T
A
15
CLK
16
LA
TCH
EXLOCK
XRST
HA
CN
HDIN
HCLK
HDOUT
HCS
BST
68
GP9
113
PM
6
5 19 20 18 4
3
XRST
HA
CN
3 17
S.
MUTE
PD
9
8
SMUTE
PD
24 21
ANA/DIG
F.
MUTE
HDIN
HCLK
HDOUT
HCS
BST
2
GP9
7
PM
67
PR
O
TECT
OR
72
FR
ONT RELA
Y
71
CENTER RELA
Y
70
REAR RELA
Y
64
F
AN_ON
17
W
OOFER RELA
Y
44
CS0
24
AUDIO
15
LRCK
14
BCK
17 WE
45
WE0
X1201
13.5MHz
A0-A15
21 XOUT
4
OUT
1
IN
22 XIN
X1101
12.288MHz
D0-D15
20
21
24
23
22
25
LIN2
RIN2
CIN2
SLIN2
SRIN2
SWIN2
28
27
29
DATA
CLK
LATCH
54
47
36
41
42
35
74
75
78
79
LOUT
ROUT
COUT
SLOUT
SROUT
SWOUT
INL6
INR6
INL4
INR4
L-CH
R-CH
C-CH
SL-CH
SR-CH
SW-CH
L-CH
R-CH
C-CH
SL-CH
SR-CH
30
LIN+
29
LIN-
32
RIN+
31
RIN-
14
17
11
13
12
4
10
5
2
3
1
BAL L+
BAL R+
30
DVDD
+3.3V
REG
Q401
OPTICAL
RECEIVER
+7V
D1601
D1101
L
J401
R
DVD
IN
DIGITAL
L
R
70
71
INL8
INR8
L
R
J251
TV/SAT
IN
VIDEO
IN
6
5
7
IC1502
2
3
1
IC1502
6
5
7
IC1552
BIAS
2
3
1
IC1552
MONITOR
OUT
VIDEO
IN
J301
DVD
COAXIAL IN
J403
SUB
WOOFER
OUT
DVD
OPT IN
DVD
IN
IC1601 (1/2)
SYSTEM CONTROL
IC201
VIDEO SWITCH
IC401
INPUT SELECT, VOLUME CONT
IC1101
DIGITAL AUDIO
I/F RECEIVER
IC701 FL AMP
4
OUT
1
IN
IC751 FR AMP
4
OUT
1
IN
IC501 C AMP
4
OUT
1
IN
IC601 SL AMP
4
OUT
1
IN
IC651 SR AMP
IC1501
CODEC
IC1201
AUDIO DSP
IC1202
SDRAM
IC303
IC302
11
10
3
DIN0
OPTICAL
RECEIVER
TV/SAT
OPT IN
OPT IN
IC301
4
DIN1
IC303
9
8
13
CKOUT
AUDIO
LRCK
BCK
CKOUT
AUDIO
LRCK
BCK
CKOUT
16
DATAO
17
XSATE
34
ERROR
35
DO
36
DI
37
CE
38
CLK
47
CKSEL1
48
XMODE
SW-CH
7
OUT
5
IN
IC402 SW AMP
FAN ON/OFF DET
Q550, 551
RELAY SW
Q402
RELAY DRIVE
Q520, 620, 720
RY701
RY501
RY601
D721
D521
D621
RY401
74
STEREO
73
TUNED
76
DO
75
MUTE
78
SLA
TCH
STEREO
TUNED
DI
SCLK
DO
MUTE
LA
TCH
L CH
2
3
INL2
INR2
L CH
R CH
TU901
TUNER UNIT
R CH
MUTE
STEREO
TUNED
CE
ST
-DI
ST
-DO
CLK
L CH
R CH
MUTE
STEREO
TUNED
LA
TCH
DI
DO
SCLK
DA
T
A
O
94
CKSEL1
93
XMODE
96
CE
95
CLK
98
DO
97
DI
100
XST
A
TE
1
DA
T
A
O
99
ERR
OR
L
TM601
FRONT
CENTER
SURR
SPEAKERS
AUDIO
VIDEO
L
R
R
7
7
STR-SL50
– Display/Power Section –
60
59
VOL(A)
VOL(B)
5
6
SDA
SCL
41 A/D3
1
3
VOL
ENCODER
IC1601(2/2)
SYSTEM CONTROL
RV101
54
28
27
1
3
REMOTE
CONTROL
RECEIVER
+3.3V
(STBY)
+5V
+3.3V
(STBY)
IC102
2
1
RESET
IC1602
IC1604
EEPROM
FUKCTION
KEY
S114, 115
FL101
FLUORESCENT
INDICATOR TUBE
39 A/D1
FUKCTION
KEY
S113, 116
S123
FLASH
PROGRAMMING
CNS3
40 A/D2
FUKCTION
KEY
S111, 112
56 POWER KEY
82 X0
SIRCS
83 X1
FLASH1
FLASH2
X1601
16MHz
49
51
MD0
MD2
69
F_CTRL1
68
F_CTRL2
65
FAN_CLK
66
POWER RELAY
48
STOP
55
FUSE DETECT
33
SCL
34
SDA
2
4
1B
2A
IC1651
BUFFER
IC152
FL/LED DRIVE
61
DIN
63
FL_STB
62
CLK
6
2Y
8
3Y
3
1Y
3
DVD LED
2
TV/SAT LED
1
TUNER LED
4
VIDEO LED
SEG1-16
1
1A
9
10
3A
3B
5
2B
8
7
CLK
DIN
9
STB
77
RSTX
2
3
-5V
REG
IC406
GRID1-12
F2
F2
F1
F1
F2
F1
14-29
42-31
D151-154
FAN901
FAN
CONTOROL
Q861-865
FAN
CLK
CLK
Q866
D801-804
+,-RECT
D805-808
+RECT
-5V (VIDEO)
2
3
-7V
REG
IC404
-7V
1
3
+7V
REG
IC403
+7V
1
3
+10V
REG
IC1902
+10V (TUNER)
1
3
+3.3V
REG
IC1904
RELAY
DRIVE
Q951
STOP
DET
Q901
+3.3V (STBY)
1
3
+5V
REG
IC1503
4
2
5
+3.3V/+2.5V
REG
IC1901
+5V
+3.3V
+2.5V
AUDIO+
-27V
1
3
+5V
REG
IC1903
+5V
1
3
+5V
REG
IC405
+5V (VIDEO)
D814-817
+,-RECT
D809
+,-RECT
AMP+V
AMP-V
D952-955
STBY
+REC
D810, 811
-RECT
D956, 957
+RECT
AC
IN
F901
T901
T902
RY901
?/1
g
8
8
STR-SL50
3-2. Printed Wiring Board – Digital Section –
IC1501
IC1201
IC1101
IC1902
IC1202
IC1502
IC1552
IC1601
IC1602
IC1604
IC1651
IC1904
IC1903
IC1503
IC1901
AEP,UK
TUNER
UNIT
TM301
1
1
1
5
3
3
3
2
7
1
3
1
1
3
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
11
14
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
D1101
B-3
D1501
B-8
D1502
B-8
D1601
E-2
D1905
D-6
D1906
E-6
IC1101
B-4
IC1201
C-3
IC1202
C-4
IC1501
B-3
IC1502
B-2
IC1503
C-9
IC1552
C-2
IC1601
D-2
IC1602
E-2
IC1604
E-2
IC1651
E-3
IC1901
E-6
IC1902
B-6
IC1903
E-6
IC1904
E-7
Q1601
D-2
Q1602
E-2
• See page 5 for Circuit Boards Location.
•
: Uses unleaded solder.
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