Sony STR-LV500 Service Manual ▷ View online
STR-LV500
21
21
4-7.
SCHEMATIC DIAGRAM – POWER SECTION –
D906
D933
D902
D912
L909
100µH
100µH
L908
10
µ
H
10
µ
H
10
µ
H
10
µ
H
10µH
10µH
10µH
10µH
10µH
C926
C933
C940
R921
R933
R936
R929
L904
L902
L907
L903
L912
L911
L910
L905
R931
R922
D917
D916
CN902
CN903
R906
D905
C914
R924
R928
R927
C928
R932
R918
R915
L901
10µH
C924
C918
C921
D911
C920
D908
R909
R934
C912
TH901
D903
R930 C902
LF901
LF902
D919
D920
R908
C906
C907
C910
C909
EP901
R913
PC901
R919
R914
R920
R916
R917
R925
PC902
C916
D931
R907
R911
C938
C911
D907
R905
C915
R938
R912
C905
C901
R901
C908
C931
C930
C932
L906
C934
C935
R904
R903
R926
D918
R935
D914
C917
CN904
CN905
CN901
Q903
Q908
Q906
Q901
Q905
D932
Q915
Q913
Q902
IC908
IC901
IC903
IC907
IC902
IC904
C913
F1
IC906
C922
CN907
CN906
R910
C927
C929
C903
11EQS10
11EQS10
11EQS10
UDZS-5.6B
100p
50V
0.1
0.1
820
820
1k
1k
220
100
11ES2
11ES2
2P
5P
10k
1/10W
UDZS-6.8B
0.1
1k
15k
100k
0.001
2.7k
1k
2.7k
2200
35V
0.1
6800
35V
FML-22S
4700p
630V
SARS03
33k
2W
33k
2W
390
400V
RBV-406
3.3M
0.1
10EDB40
10EDB40
47k
2W
0.001
250V
0.001
250V
0.001
250V
0.001
250V
3.3
IC TLP421
10k
2.7k
5.6k
2.2k
1/10W
2.7k
1/10W
1k
IC TLP421
470p
2kV
UDZS-20B
4.7k
1/10W
33k
2W
0.001
25V
47
50V
11EQS10
3.9k
1/10W
0.001
25V
150k
1.5k
1/10W
0.0047
50V
4.7
50V
220
1/10W
220p
100
10V
0.1
100
10V
1000
16V
1000
16V
0.22
1W
0.15
1W
10k
11EQS04-NTA2B
10k
11EQS04-NTA2B
0.001
250V
11P
3P
2P
RT1N141C
BUFFER
RT1N141C
BUFFER
RT1N141C
SWITCH
RT1N141C
SWITCH
2SD1616
+21V REG
UDZS-22B
2SC2412
BUFFER
2SC2412
BUFFER
2SC2412K
+7.2V REG
BA033T
+3.3V REG
STR-F6267
SI-8090JF
REGULATOR
SI-805JF
REGULATOR
SE-B2
LEVEL DETECT
BA10358F
BUFFER
3300p
630V
2.5A
250V
BA033T
+3.3V REG
1
50V
SAN
PH3P
82
2W
0.1
100
10V
10V
0.1
250V
T901
POWER
TRANSFORMER
AC IN
REGULATOR
SWITCHING
STR-LV500
22
22
4-8.
PRINTED WIRING BOARD – POWER SECTION (SIDE A) –
•
See page 13 for Circuit Boards Location.
: Uses unleaded solder.
L912
L908
L910
L911
R926
Q906
R915
Q915
R906
Q902
D905
R932
Q913
Q908
C914
11
(12)
1-688-433 -
POWER BOARD (SIDE A)
E
E
E
E
E
2
3
4
5
6
7
A
1
B
C
D
E
Ref. No.
Location
D905
C-7
Q902
C-7
Q906
A-6
Q908
A-6
Q913
B-7
Q915
B-7
• Semiconductor
Location
Location
STR-LV500
23
23
PRINTED WIRING BOARD – POWER SECTION (SIDE B) –
•
See page 13 for Circuit Boards Location.
: Uses unleaded solder.
PC902
PC901
L903
L905
R901
D932
R907
D931
C908
C905
R912
R938
R905
C915
C938
C918
L907
L902
L904
R929
R936
R931
R933
R921
R922
R922
C940
C933
R919
R920
R916
R917
Q901
Q903
R914
R925
R935
C926
D912
C930
IC904
C928
R918
R924
R928
R927
AC IN
1
1
11
1
1
1
1
1
2
2
3
1
4
3
3
3
4
4
4
5
5
1
2
3
4
5
5
5
8
A
D
E
AMP
BOARD
(Page 25)
AMP
BOARD
(Page 25)
DIGITAL
BOARD
(Page 17)
E
E
E
T901
POWER TRANSFORMER
CN904
CN906
C922
IC902
D918
D914
C935
L909
IC903
C924
C921
C920
D911
L901
CN902
CN903
C931
C932
D916
D917
C934
L906
IC908
IC907
C901
R902
C917
R904
R910
R903
C916
D902
D907
CN905
IC901
D906
Q905
D933
R913
C911
D908
R934
R909
C913
C912
R908
R911
EP901
C907
C906
C910
D903
C903
C909
D920
D919
TH901
LF902
LF901
C902
R930
FH901
FH902
F1
CN901
11
(12)
1-688-433 -
(SIDE B)
POWER BOARD
IC906
C929
C927
CN907
1
1
4
3
REG BOARD
11
(11)
1-860-430 -
2
3
4
5
6
7
A
1
B
C
D
E
Ref. No.
Location
D902
D-1
D903
D-5
D906
E-2
D907
C-1
D908
E-3
D911
C-3
D912
C-2
D914
B-2
D916
B-3
D917
B-3
D918
B-2
D919
D-5
D920
E-5
D931
E-2
D932
E-3
D933
E-2
IC901
D-1
IC902
C-2
IC903
B-2
IC904
C-1
IC906
B-6
IC907
B-2
IC908
B-3
Q901
C-2
Q903
C-2
Q905
E-3
• Semiconductor
Location
Location
STR-LV500
24
24
4-9.
PRINTED WIRING BOARD – AMP SECTION (SIDE A) –
•
See page 13 for Circuit Boards Location.
: Uses unleaded solder.
R402
R421
C403
C417
C405
R460
C505
R427
C520
C519
C521
IC401
C522
C523
R473
R430
R425
R428
C525
C526
C527
C528
C483
C484
C485
C486
C492
C493
C494
R470
C495
C443
C444
C445
R472
C446
C447
C451
C452
C453
C454
IC403
R423
R424
C425
C423
C420
C539
R482
R432
R436
C487
C408
R433
R437
R477
C491
R479
R409
IC411
R434
IC409
R440
C497
R442
R447
R454
C501
R450
R451
R463
R464
R429
R480
R431
R426
R461
R462
Q411
Q412
R441
R443
R444
C496
Q404
Q405
R449
R452
R453
C500
Q406
Q407
R457
R458
R459
C503
Q409
Q410
R435
R438
R439
R415
Q402
Q403
IC405
R481
R478
IC408
C489
R411
C414
C416
R406
IC402
D416
D428
D404
D410
D409
D434
D437
D419
D407
D413
D415
D403
D433
D427
D431
R417
X401
E
E
E
E
E
E
E
E
E
E
1
1
3
3
4
5
11
(12)
1-688-435-
AMP BOARD
(SIDE A)
2
3
4
5
6
A
1
B
C
D
E
Ref. No.
Location
D403
B-4
D404
B-5
D407
B-3
D409
A-4
D410
B-5
D413
B-3
D415
C-4
D416
C-5
D419
C-3
D427
D-4
D428
D-5
D431
D-3
D433
C-4
D434
D-5
D437
D-3
IC401
A-5
IC402
A-3
IC403
A-5
IC405
B-6
IC408
C-6
IC409
E-3
IC411
D-6
Q402
C-2
Q403
C-2
Q404
D-2
Q405
D-2
Q406
D-2
Q407
D-2
Q409
C-2
Q410
C-2
Q411
D-2
Q412
D-2
• Semiconductor
Location
Location
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