Sony SDM-N50R Service Manual ▷ View online
SDM-N50R(E)
4-21
(h)
[ USER CONTROL ]
— H BOARD (Component Side) —
— H BOARD (Conductor Side) —
H BOARD
Terminal name of semiconductors
in silk screen printed circuit (
Terminal name of semiconductors
in silk screen printed circuit (
*
)
*
: Refer to Terminal name of semiconductors
in silk screen printed circuit (see page 4-9)
Ref.
*
Q903, Q930, Q931
D905 - D916
2
3
SDM-N50R(E)
4-22
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
I
J
(4) Schematic Diagram of U Board
AUDIO12V
11.7
11.7
0
1.3
0
4.8
4.8
1.2
12V
STBY5V
4.5
4.5
4.5
4.5
7.2
7.2
4.5
4.5
4.5
4.5
4.5
0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
OUT
VCC
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
C410
C419
C420
C428
C439
C445
C431
C432
C436
C437
C443
FB411
FB412
FB413
C483
C449
R433
C448
R439
R438
R436
R426
R427
C429
C415
R420
R485
R484
R410
R411
C416
R418
R475
C438
R429
R415
R414
R449
R448
C444
C446
R412
R413
C418
R423
R424
C450
C482
R489
C472
C473
C452
C470
C433
C451
C455
C457
R474
C487
C409
C484
C460
C486
C478
C459
R497
R499
L404
R440
R452
R453
R454
C454
R435
R434
C458
R493
R494
R490
R491
FL402
FL403
FL401
FL404
L405
C427
C474
C475
CN406
CN402
Q409
IC403
Q401
IC404
IC412
IC409
IC410
D405
D430
CN401
Q408
0.1
25V
F
220p
50V
CH
220p
50V
CH
220p
50V
CH
0.1
25V
F
100p
50V
CH
2200p
16V
SL
2200p
16V
SL
0.068
16V
B
0.027
16V
B
0.068
16V
B
0.1
25V
F
2.2
50V
8.2k
1/10W
2.2
50V
6.2k
1/16W
1k
1/16W
10k
1/16W
1M
1/10W
220p
50V
CH
1
50V
10k
1/10W
10k
1/16W
10k
1/16W
1M
1/10W
10k
1/10W
1
50V
560
1/10W
220
1/10W
560
1/10W
0.027
16V
B
8.2k
1/10W
0UH
0UH
2.2k
1/10W
2.2k
1/10W
0
0
330
1/10W
3.3k
1/10W
6800p
25V
B
330
1/10W
3.3k
1/10W
1000µ
10V
1000µ
10V
1000µ
10V
1000µ
10V
0.33
16V
B
0.33
16V
B
4.7µ
10V
B
4.7µ
10V
B
22
16V
22
16V
22µ
16V
220
1/10W
100
10V
100µ
16V
39µ
16V
100
6.3V
100
6.3V
100µ
16V
0.33µ
16V
B
0
0
12µH
100
1/16W
0
0
0
0.33µ
16V
B
4.7k
1/10W
4.7k
1/10W
0.33µ
16V
B
100
1/16W
100
1/16W
10k
1/16W
39k
1/16W
0.1
25V
F
0.050
1/2W
27µH
6800p
25V
B
1.0p
CK
1.0p
CK
3P
30P
2SK1828
BUFFER
TDA7315D013TR
AUDIO PROCESS
DTC114EKA-T146
SW
PQ20VZ5U
9V REG
BA05FP
5V REG
MAX1626ESA-TE2
DC-DC
SI4431DY-T1
CONTROL
D3FS4A-TA
PTZ-TE25-6.2A
26P
2SK1828
BUFFER
13
2
2
1
1
2
61
0
59
48
37
1
2
73
84
95
10
6
1
2
95
10
6
84
73
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
SDT-N
SDT-GND
SDT-P
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CREF
VCC
GND
TRE_L
TRE_R
IN_R
LOUD_R
NC
LOUD_L
NC
SCL
SDA
DGND
L_OUT
R_OUT
BOUT_R
BIN_R
BOUT_L
BIN_L
L_IN
CTL
IN
G
adj
OUT
9V
A5V
21
22
23
24
25
26
27
28
29
30
GND
2
SDT-P
SDT-GND
SDT-N
V+
CS
EXT
GND
REF
SHDN
OUT
D
S
D
D
D
S
S
FB3
FB3
3/
5
G
SD5V
+5V
12V
12V
12V
STBY_5V
AUDIO_R
AUDIO_GND
AUDIO_L
SCL
SDA
CN_SENS
GND
GND
GND
AUDIO_12V
AUDIO_12V
CPU_ST
1
3
SDA
SCL
CPU_ST
SCK
SI
MUTE
HP_STAT
DDON_U
STBY_5V
STBY_5V
12V
12V
12V
12V
12V
12V
GND
GND
GND
GND
GND
GND
GND
CSN
SI
SCK
CSN
SI
SCK
FL1
FG
CSN
TO A BOARD
CN101
U
(AUDIO)
ab1
ab2
ab3
ab5
ab4
ab6
ab7
ab8
ab9
ab10
ab11
ab12
ab13
ab14
ab15
ab16
ab17
ab18
ab19
ab20
ab21
ab22
-a
TO B BOARD CN502
TO B BOARD CN504
B-SS3514<J..>-U-a(24)
•
Divided circuit diagram
One sheet of U board circuit diagram
is divided into two sheets, each
having the code U-
a
to U-
b
. For
example, the destination ab1 on the
U-
a
sheet is connected to ab1 on the
U-
b
sheet.
b
1
a
Ref. No.
Circuit diagram division code
SDM-N50R(E)
4-23
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
I
J
0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.4
0.2
STBY5V
AUDIO12V
SD5V
2.5
2.5
2.5
2.5
A5V
0
5.0
5.0
STBY5V
0
0
0
0.1
0.3
0
2.9
SD5V
5.0
4.8
5.0
5.0
5.0
5.0
0
6.8
1
D5V
2.3
2.3
2.3
2.3
2.4
2.4
2.4
2.3
2.6
2.6
2.7
2.5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
1
2
3
4
IC401
C411
C425
C421
C435
C424
C430
C426
C434
FB410
FB409
C403
C404
C463
C464
C469
C467
C466
C471
C468
R480
R481
R472
R473
Q404
Q405
R482
R486
R487
C417
R416
R408
R405
R404
R407
R419
C422
C423
R469
Q410
R492
CN403
R495
R451
D431
R483
R479
FB414
C406
C407
C408
FB415
C479
Q411
IC411
C462
R445
IC402
R406
R417
R421
R422
R425
R428
C453
R430
R432
C441
C442
X401
R457
R456
R460
R461
R462
R463
R466
R467
R464
R465
C480
C481
Q406
Q407
D403
C414
C413
C456
CN404
CN405
C461
D406
D404
D420
R450
D421
D422
R441
R442
R443
R444
R488
D415
R455
D416
R468
R409
D417
R476
C465
R477
R478
C412
IC408
D418
D413
D414
YSS901
STEREO DIPOLE
0.1
25V
F
0.1
25V
F
1
10V
F
470p
50V
CH
0.1
25V
F
0.1
25V
F
10
16V
47
16V
100µ
16V
100µ
16V
0.1
50V
0.1
50V
0.1
50V
0.1
50V
0.1
50V
100
10V
0.1
50V
0
0
120
1/8W
120
1/8W
DTC114EKA-T146
SW
DTC114EKA-T146
SW
0
10k
1/16W
0
0.1
50V
22k
1/10W
47k
1/10W
100k
1/16W
100k
1/16W
47k
1/10W
22k
1/10W
1
50V
1
50V
0
DTA123JKA
S DOWN SW
10k
1/16W
5P
22k
1/16W
1k
1/16W
MA3075WA-(TX)
300k
1/16W
3.3k
1/16W
220p
50V
CH
220p
50V
CH
220p
50V
CH
10
16V
DTA123JKA
SW
µPC393G2
AMP
10
16V
0
LM4863MTEX
POWER AMP
10k
1/16W
47k
10k
1/16W
10k
1/16W
10k
1/16W
10k
1/16W
0.1
25V
F
1M
1/16W
680
1/16W
22p
50V
CH
22p
50V
CH
2.8224MHz
0
0
6.8k
1/10W
6.8k
1/10W
47k
47k
10k
1/16W
10k
1/16W
220k
1/10W
220k
1/10W
47
16V
1000p
25V
CH
DTC323TKT146
MUTE
DTC323TKT146
MUTE
MA111-TX
100p
50V
CH
0.1
25V
F
100µ
16V
4P
4P
22µ
16V
MA111-TX
MA111-TX
MA111-TX
220k
1/16W
MA111-TX
MA111-TX
47k
1/16W
47k
1/16W
47k
1/16W
47k
1/16W
220k
1/16W
MA111-TX
220k
1/16W
MA111-TX
220k
1/16W
220k
1/16W
MA111-TX
10k
1/16W
0.1
25V
F
10k
1/16W
10k
1/16W
0.1
25V
F
BA4560F-T1
HPF
MA111-TX
MA111-TX
MA111-TX
2
3
1
5
4
NC
NC
NC
NC
DVDD
CTLSEL
SYNCN
BCLK
CSN
DOUT
DIN
DSEL2
DSEL1
DSEL0
DVDD
NC
NC
NC
NC
NC
TST2
DVSS
AVSS
AIRRET
AIROUT
AIR
AILRET
AILOUT
AIL
VREF
AVDD
NC
NC
NC
NC
NC
LOUT
ROUT
PLLC
AVSS
EXTAL
XTAL
DVSS
TSTCK
TST1
TSTNI
TSTNO
NC
NC
NC
NC
NC
DVSS
SI
SCK
BSFT0
BSFT1
RESETN
CSEL0
CSEL1
CSEL2
TSTSEL
DVDD
NC
SDOWN
GND
OUT_A+
VDD
OUT_A-
IN_A-
GND
IN_A+
GND
GND
HP_IN
GND
OUT_B+
VDD
OUT_B-
IN_B-
BYPASS
IN_B+
GND
GND
D5V
OUT1
-IN1
+IN1
VEE
VCC
OUT2
-IN2
+IN2
AGND
(PPS)
(PPS)
(PPS)
(PPS)
(PPS)
(PPS)
FG
(2012)
1/2VCC
GND
FB2
FB2
SD5V
ROUT+
ROUT+
ROUT-
ROUT-
LOUT+
LOUT+
LOUT-
LOUT-
STBY_5V
V+
OUTA
IN A-
IN A+
V-
IN B+
IN B-
OUTB
SPEAKER R
SPEAKER L
U
-b
(AUDIO)
ab1
ab2
ab3
ab5
ab4
ab6
ab7
ab8
ab9
ab10
ab11
ab12
ab15
ab16
ab17
ab18
ab19
ab20
ab21
ab22
ab14
ab13
HEADPHONE
B-SS3514<J..>-U-b(24)
1/16W
D419
MA111-TX
•
Divided circuit diagram
One sheet of U board circuit diagram
is divided into two sheets, each
having the code U-
a
to U-
b
. For
example, the destination ab1 on the
U-
a
sheet is connected to ab1 on the
U-
b
sheet.
b
1
a
Ref. No.
Circuit diagram division code
SDM-N50R(E)
4-24
(u)
[ AUDIO ]
*
: Refer to Terminal name of semiconductors
in silk screen printed circuit (see page 4-9)
— U BOARD (Component Side) —
— U BOARD (Conductor Side) —
U BOARD
Terminal name of semiconductors
in silk screen printed circuit (
Terminal name of semiconductors
in silk screen printed circuit (
*
)
Ref.
*
Q401, Q404 - Q407
Q410, Q411
Q408, Q409
D403 - D406
D413 - D422, D430
D431
2
!£
3
!¡
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