Read JBL SB 350 (serv.man4) Service Manual online
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D
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C
C
B
B
A
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Title
Number
Revision
Size
A3
Date:
6/12/2014
Sheet of
File:
D:\Data (D)\..\SB350_Main_Board_Sheet06_AMP_P1.SchDoc
Drawn By:
PGND
GND
GND
AOUT_SW+(W_L+)
+
35V
C543
220UF
220UF
+
35V
C500
470UF
PVCC
GND
PGND
PGND
50V
C506
0.22uF
50V
C517
0.22uF
R502
22
50V
C507
330pF
330pF
50V
C518
330pF
330pF
PGND
R501
3.3
3.3
50V
C516
10nF
10nF
C504
1NF
1NF
PGND
50V
C522
0.22uF
50V
C523
330pF
330pF
50V
C531
0.22uF
PGND
PGND
PVCC
50V
C532
330pF
330pF
PGND
PGND
C509
0.68U/63V
0.68U/63V
50V
C503
1uF
50V
C540
1uF
C512
100PF
A_GND
16V
C510
1uF
C514
1uF
AMPOUT_W_L-
AMPOUT_W_L+
C526
100PF
A_GND
C525
1uF
C527
1uF
AMPOUT_T_L+
AMPOUT_T_L-
PGND
GND
GND
+
35V
C588
220UF
220UF
+
35V
C545
470UF
PVCC
GND
PGND
PGND
50V
C551
0.22uF
50V
C552
330pF
330pF
PGND
PGND
PGND
PGND
PVCC
PGND
PGND
50V
C548
1uF
50V
C585
1uF
C557
100PF
A_GND
C556
1UF
AMPOUT_W_R-
AMPOUT_W_R+
A_GND
AMPOUT_T_R+
AMPOUT_T_R-
50V
C581 NC/100pF
GND
AOUT_SUBPRE-(T_L-)
AOUT_R+(W_R+)
1%
R506
1K
C508
100PF
C513
C513
100PF
C524
100PF
C528
100PF
C515
0.68U/63V
0.68U/63V
C533
0.68U/63V
0.68U/63V
C537
0.68U/63V
0.68U/63V
50V
C511
10nF
10nF
50V
C534
10nF
10nF
50V
C535
10nF
10nF
50V
C555
10nF
10nF
50V
C560
10nF
10nF
50V
C579
10nF
10nF
50V
C580
10nF
10nF
C519
1NF
1NF
C529
1NF
1NF
C541
1NF
1NF
C550
1NF
1NF
C564
1NF
1NF
C574
1NF
1NF
C586
1NF
1NF
C553
100PF
C558
100PF
50V
C571
100PF
50V
C569
100PF
50V
C573
100PF
C559
1UF
C570
1UF
C572
1UF
50V
C562
0.22uF
50V
C567
0.22uF
50V
C576
0.22uF
50V
C563
330PF
330PF
50V
C568
330PF
330PF
50V
C577
330pF
330pF
1%
R512
1K
1%
R516
1K
1%
R541
1K
1%
R551
1K
1%
R545
33K
33K
R508
22
R513
22
R519
22
R528
22
R537
22
R542
22
R554
22
R510
3.3
3.3
R517
3.3
3.3
R521
3.3
3.3
R526
3.3
3.3
R539
3.3
3.3
R552
3.3
3.3
R555
3.3
3.3
SYNC
SYNC
MUTE
MUTE
CODEC_MUTE
2
3
1
D502
BAT54C
D500
IN4148
GND
PVCC
2
3
1
Q500
MMBT3906
AMP_Mute
GND
MUTE
MUTE
GVDD_1
GVDD_1
R504
0
R507
0
R514
0
R518
0
R529
0
R536
0
R543
0
R553
0
GVDD_2
GVDD_2
CODEC_MUTE
MP1
SB350 Main Board
AMP part
AMP part
7
6
AMP_Mute
1%
R515
33K
33K
1%
R530
33K
33K
PGND
A_GND
GND
50V
C575
NM
NM
1210
R531
NM
NM
1210
R532
NM
NM
1210
R547
NM
NM
1210
R548
NM
NM
1
2
3
4
CON500
CON 4 POL PITCH 3.96MM
1
2
3
4
CON501
CON 4 POL PITCH 3.96MM
AOUT_R-(W_R-)
AOUT_L+(T_R+)
AOUT_L-(T_R-)
AOUT_SW-(W_L-)
AOUT_SUBPRE+(T_L+)
50V
C505
NM
NM
50V
C520
NM
NM
50V
C530
NM
NM
50V
C542
NM
NM
50V
C565
NM
NM
50V
C549
NM
50V
C587
NM
NM
D501
1PS79SB30
HDMI_MUTEOUT
AMPOUT_W_L-
AMPOUT_W_L+
AMPOUT_W_L+
AMPOUT_T_L+
AMPOUT_T_L-
AMPOUT_W_R-
AMPOUT_W_R+
AMPOUT_W_R+
AMPOUT_T_R+
AMPOUT_T_R-
3.3A
1
2
L501
10uH
3.3A
1
2
L502
10uH
3.3A
1
2
L503
10uH
3.3A
1
2
L505
10uH
3.3A
1
2
L507
10uH
3.3A
1
2
L508
10uH
3.3A
1
2
L509
10uH
3.3A
1
2
L510
10uH
L506
90@ 100MHZ
L500
MPZ2012S331A
L504
MPZ2012S331A
L511
90@ 100MHZ
TP500
TP501
TP502
TP503
TP501
TP502
TP503
TP504
TP505
TP506
TP507
TP505
TP506
TP507
1
2
L512
BLM18BD750SN1
1
2
L513
BLM18BD750SN1
1
2
L514
BLM18BD750SN1
1
2
L515
BLM18BD750SN1
1
2
L516
BLM18BD750SN1
1
2
L517
BLM18BD750SN1
1
2
L518
BLM18BD471SN1
1
2
L519
BLM18BD471SN1
MODSEL
1
SDZ
2
FAULTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SYNC
16
AVCC
17
PVCC
18
PVCC
19
BSNL
20
OUTNL
21
GND
22
OUTPL
23
BSPL
24
GND
25
BSNR
26
OUTNR
27
GND
28
OUTPR
29
BSPR
30
PVCC
31
PVCC
32
TH
ER
M
A
L_PA
D
33
U500
TPA3118D2DADR
MODSEL
1
SDZ
2
FAULTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SYNC
16
AVCC
17
PVCC
18
PVCC
19
BSNL
20
OUTNL
21
GND
22
OUTPL
23
BSPL
24
GND
25
BSNR
26
OUTNR
27
GND
28
OUTPR
29
BSPR
30
PVCC
31
PVCC
32
TH
ER
M
A
L_PA
D
33
U501
TPA3118D2DADR
PGND
PGND
C502
NM
C539
NM
C547
NM
C584
NM
C501
1NF
C538
1NF
C546
1NF
C583
1NF
C544
10nF
10nF
C554
0.68U/63V
0.68U/63V
C561
0.68U/63V
0.68U/63V
C578
0.68U/63V
0.68U/63V
C582
0.68U/63V
0.68U/63V
C521
1UF
C566
1UF
1%
R560
10K
1%
R562
10K
1%
R500
100K
100K
1%
R525
100K
100K
1%
R503
1K
1%
R527
1K
1%
R535
1K
C591
100NF
C592
100NF
C593
100NF
C594
100NF
1%
R505
33K
33K
R538
51K
R540
51K
R544
NM
R546
NM
R563
NM
R509
NM
R561
NM
R520
33
R511
5.6K
R522
33K
R523
10K
1%
R524
100K
100K
+
25V
C536
47UF
GND
50V
C589
22UF
Master mode,20dB;
Slave mode,20dB;
Mute Control
