Sony STR-SL50 Service Manual ▷ View online
13
13
STR-SL50
3-7. Schematic Diagram – Main (2/2)/Standby Section –
12
10
C443
C441
C442
C440
C447
C446
C444
C445
D809
C
818
C819
C
801
C802
D720
Q720
RY701
C711
L707
C761
L757
Q731
Q730
C730
R708
R758
D721
D731
D520
Q520
RY501
C511
L507
R508
D521
R522
R604
R605
R
602
C602
C603
IC601
C611
L607
R608
R640
R540
R
740
D620
Q620
R622
R653
R655
R
652
C652
C653
IC651
C661
L657
R658
R601
R651
D
621
RY601
C702
C703
IC701
R701
R
752
C752
IC751
R751
R503
R505
C502
C503
IC501
R501
C701
C751
C501
C601
C651
C704
C754
C504
C604
C654
R722
Q732
R730
R731
R732
C732
C821
D810
D811
C820
D812
C791
C741
C
812
C813
C
814
C707
C710
C757
C760
C507
C510
C607
C610
C657
C660
C658
C656
C758
C756
C708
C706
R705
C709
R755
C759
R750
R710
R760
R510
Q550
C561
C
56
3
D550
R558
R554
R555
R557
R552
R556
Q551
R553
R704
R654
R703
R754
R753
R504
R603
Q861
R
884
C
871
R610
R660
D805
D808
D
806
D
807
C
81
5
C
816
C642
C641
C643
R
55
1
C
56
4
R885
R881
CN820
R887
R886
Q865
Q863
R888
Q862
Q866
R883
R882
CN822
C565
R
733
CN802
R791
R641
R642
R643
R
83
2
C
805
C80
3
C
804
RY901
D951
D952
C922
C921
D953
D954
D955
D956
D957
R956
R9
55
C
923
C9
24
T902
CNP902
Q951
R
951
R954
Q901
R952
CN903
R953
C925
C
806
C
81
1
C644
C694
C544
D820
R810
R811
R910
D802
D801
D803
D804
C817
Q864
R707
R507
R757
R607
R657
D815
D814
D816
D817
FH901
FH902
T901
R702
C753
R
502
C509
C609
C659
C744
C794
CN801
CNP901
C506
C508
C606
C608
R509
R759
CN861
FAN
R709
R609
R659
R741
D813
IC405
IC406
IC403
IC404
C562
TM601
R831
PC900
100
10V
0.1
100
10V
0.1
47
25V
10
50V
0.1
0.1
D3SBA20
4700 35V
4700 35V
0.22 50
V
0.22 50V
1SS133T
2SC2785
0.022
0.022
2SA988
2SC2785
2
20
10V
47k
47k
1SS133T
1SS133T
1SS133T
2SC2785
0.022
47k
1SS133T
4.7k
470
22k
22k
100p
100p
SI18752
0.022
47k
47
47
47
1SS133T
2SC2785
4.7k
330
22k
22k
100p
100p
SI18752
0.022
47k
100
100
1S
S
133T
100p
100p
SI18752
100
22k
100p
SI18752
100
330
22k
10
0p
100p
SI18752
100
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7p
4.7p
4.7p
4.7p
4.7p
4.7k
2SC1841
6.8k
10k
33k
0.1
100 50V
10EDB40-TA2B5
10EDB40-TA2B5
10EDB40-TA2B5
10EDB40-TA2B5
10EDB40-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40 -TA2B5
10EDB40 -TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
220
35V
HZS30-1L
0.01
0.01
1000
25V
0.001
50V
0.0
01
50V
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1
50V
1
50V
1
50V
1
50V
1
50V
1
50V
22k
100
16V
22k
100
16V
1k
27k
27k
27k
2SC2785
4.7
50V
1
50V
1SS133T
100k
820
4.7k
220k
3.3k
68k
2SC2785
10k
470
470
330
470
330
470
330
2SB734
10
k
100
16V
27k
27k
0.1
0.1
0.01
0.01
0.01
1
00k
4.7
50
V
100
1.5k
4P
4.7k
10k
BN1F4M
BN1F4M
100
BN1F4M
BN1F4M
2.2k
1k
19P
10
0
16V
47k
5P
10
10
10
10
22k
1000
25V
0.001
50V
0.001
50V
1SS133T
0.022
25V
0.022
25V
1SS133T
1SS133T
10k
33k
1000 16V
1
50V
2P
2SC2785
4
7k
47k
2SC2785
4.7k
4P
1
0.1
1000
25V
1000
25V
220p
220p
220p
RD5.6
0.47
1/4W
0.47
1/4W
0.47
1/4W
3300
16V
2SD1616
4.7
4.7
4.7
4.7
4.7
22k
100p
22k
100
16V
100
16V
100
16V
220p
220p
5P
2P
1
50V
1
50V
1
50V
1
50V
10
10
3P
10
10
10
10
HZ6.8BP
KIA7805API
NJM79M05FA
M5F79M07L
1
50V
100(I)
10EDB40
-TA2B5
14
14
STR-SL50
3-8. Printed Wiring Board – Display Section –
IC102
IC152
1
2
A
B
C
D
3
4
5
6
7
8
9
10
11
12
13
8
PRESET
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D151
B-12
D152
B-11
D153
B-10
D154
B-9
IC102
B-4
IC152
B-7
• See page 5 for Circuit Boards Location.
•
: Uses unleaded solder.
15
15
STR-SL50
3-9. Schematic Diagram – Display Section –
10
S111
S112
S113
C142
C158
C159
R178
S114
S115
S116
R192
R153
C141
C143
C155
C156
R191
R194
S123
IC102
C112
R198
D154
D153
D152
R152
CN151
CNP152
CN153
C157
D151
R176
RV101
R199
FL101
IC152
0.1
0.1
0.1
82k
1k
100
10
50V
1000p
220p
220p
1k
1k
NJL74H400A
47
16V
1
SELS5B23C
SELS5B23C
SELS523C
10
17P
3P
3P
10 50V
SELS5B23C
150
1
PRESET
16
16
STR-SL50
IC1101 LC89056W-E (DIGITAL Board)
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
F3/P3/C3
AUTO
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
VIN3
V-
14
SW2
13
VIN1
12
MUTE1
11
VOUT1
10
NC
9
V+
8
1
SW1
2
AMP
VIN2
3
MUTE2
4
VOUT2
5
GND2
6
GND1
7
AMP
11
KEY2
10
KEY1
9
STB
8
CLK
7
DIN
6
DOUT
5
DSC
4
VIDEO LED
3
DVD LED
2
TV/SAT LED
1
33
TUNER LED
GRID10
32
GRID11
31
GRID12
30
VEE
29
SEG16
28
SEG15
27
SEG14
26
SEG13
25
SEG12
24
SEG11
23
SEG10
44
12
VSS
VSS
13
VDD
14
SEG1
15
SEG2
16
SEG3
17
SEG4
18
SEG5
19
SEG6
20
SEG7
21
SEG8
22
SEG9
43
VDD
42
GRID1
41
GRID2
40
GRID3
39
GRID4
38
GRID5
37
GRID6
36
GRID7
35
GRID8
34
GRID9
SERIAL
INTERFACE
24-bit
OUTPUT LATCH
DATA SELECTOR
12-bit
SHIFT REGISTER
4-bit
LATCH
DISPLAY MEMORY
24 bits x 12 words
KEY DATA MEMORY
(2 x 16 bits)
TIMING GENERATOR
KEY SCAN
COMMAND DECODER
GRID DIRVER
MULTIPLEXED
DRIVER
DIMMING
CIRCUIT
OSC
OSC
R
SEGMENT DRIVER
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
LOOP1
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/SN
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1
DEM0
TVDD
DVDD
DVSS
PDN
ICKS2
ICKS1
ICKS0
CAD1
CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
IC1501 AK4527BVQ (DIGITAL Board)
INR10/RECR4
AVEE
INL9
INR9
INL8
INR8
INL7
INR7
SLIN2
INL6
INIR6
INL5
INR5
INL4
INR4
INL3
NC
RSELOUT
GND
NC
SWVIN
LATCH
CLOCK
DGND
SLVIN
SWIN2
CIN2
SWSELOUT
SROUT
LIN1
SRIN2
NC
GND
GND
AVCC
NC
RIN1
SWIN1
DVDD
RIN2
LIN2
GND
BALANCE R/-
BALANCE R/+
SRSELOUT
SRIN1
ROUT
LOUT
CIN1
GND
INR1
INL1
INR2
RECR2
INR3
BALANCE L/+
SWOUT
COUT
NC
BALANCE L/-
RVIN
CVIN
CSELOUT
SLSELOUT
GND
SLOUT
NC
SRVIN
SLIN1
LVIN
LSELOUT
GND
RECL1
RECR1
RECL2
RECL3
RECR3
INL10/RECL4
DATA
INL2
MCU I/F
CLK
DATA
LATCH
80
78
77
76
75
74
73
72
71
70
69
68
67
66
65
79
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
10
11
12
13 14
15
16 17
18
19
20
21
22
23
24
IC201 NJM2279D (MAIN Board)
IC152 µPD16315GB-3BS (DISPLAY Board)
IC401 M61527FP (MAIN Board)
3-10. IC Block Diagram
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