CINEMA BASE (serv.man2) - JBL Audio Service Manual (repair manual). Page 52

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3
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8
D
D
C
C
B
B
A
A
Title
Number
Revision
Size
A3
Date:
7/25/2014
Sheet    of
File:
D:\ERIC SHEN\..\STV250_Main_Board_Sheet06_AMP_P1.SchDoc
Drawn By:
PGND
GND
GND
AOUT_SW+(W_L+)
+
35V
C543
470UF
+
35V
C500
470UF
PVCC
GND
PGND
PGND
50V
C506
0.22uF
50V
C517
0.22uF
R502
22
50V
C507
330pF
50V
C518
330pF
PGND
R501
3.3
50V
C516
10nF
C504
1NF
PGND
50V
C522
0.22uF
50V
C523
330pF
50V
C531
0.22uF
PGND
PGND
PVCC
50V
C532
330pF
PGND
PGND
C509
0.68U/63V
R511
5.6K
1%
R509
NC
50V
C503
1uF
50V
C540
1uF
R520
33
C512
100PF
A_GND
C510
1uF
C514
1uF
AMPOUT_W+
C526
100PF
A_GND
C525
1uF
C527
1uF
AMPOUT_W-
PGND
GND
GND
+
35V
C588
470UF
+
35V
C545
470UF
PVCC
GND
PGND
PGND
50V
C551
0.22uF
PGND
PGND
PVCC
PGND
1%
R540
51K
50V
C548
1uF
50V
C585
1uF
C557
100PF
A_GND
C556
1UF
AMPOUT_L-
AMPOUT_L+
AMPOUT_R+
AMPOUT_R-
C581 NM
GND
R506
1K
R505
33K
C508
100PF
C513
100PF
C524
100PF
C528
100PF
C515
0.68U/63V
C533
0.68U/63V
C537
0.68U/63V
50V
C511
10nF
50V
C534
10nF
50V
C535
10nF
50V
C555
10nF
50V
C580
10nF
C519
1NF
C529
1NF
C541
1NF
C550
1NF
C586
1NF
C553
100PF
C558
100PF
C559
1UF
50V
C562
0.22uF
50V
C567
0.22uF
50V
C576
0.22uF
R512
1K
R516
1K
R508
22
R513
22
R519
22
R510
3.3
R517
3.3
R521
3.3
R526
3.3
R555
3.3
SYNC
SYNC
MUTE
MUTE
CODEC_MUTE
2
3
1
D502
BAT54C
D500
1N4148
GND
PVCC
+
C536
100UF
2
3
1
Q500
MMBT3906
R522 33K OHM
AMP_Mute
GND
MUTE
MUTE
GVDD_1
GVDD_1
R504
0
R507
0
R514
0
R518
0
R529
0
R536
0
GVDD_2
GVDD_2
CODEC_MUTE
F
STV250 Main Board
     AMP part
7
6
AMP_Mute
R515
33K
R530
33K
PGND
A_GND
GND
1
2
3
4
CON501
CON 4 POL PITCH 3.96MM
AOUT_SW-(W_L-)
50V
C505
NM
50V
C520
NM
50V
C530
NM
50V
C542
NM
50V
C549
NM
50V
C587
NM
D501
1PS79SB30
HDMI_MUTEOUT
AMPOUT_W+
AMPOUT_W-
AMPOUT_L-
AMPOUT_L+
AMPOUT_R-
AMPOUT_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
12A
1
2
L507
10uH
12A
1
2
L510
10uH
L506
90@ 100MHZ
L500
MPZ2012S331A
L504
MPZ2012S331A
L511
90@ 100MHZ
TP500
TP501
TP502
TP503
TP506
TP507
R561
NM
R563
NM
1
2
L512
BLM18BD750SN1
1
2
L513
BLM18BD750SN1
1
2
L514
BLM18BD750SN1
1
2
L515
BLM18BD750SN1
1
2
L516
BLM18BD750SN1
1
2
L517
BLM18BD750SN1
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
TPA3116D2DADR
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
TPA3116D2DADR
PGND
PGND
C502
100NF
C539
100NF
C547
100NF
C584
100NF
C501
1NF
C538
1NF
C546
1NF
C583
1NF
C544
10nF
C554
0.68U/63V
C582
0.68U/63V
C521
1UF
C566
1UF
R560
10K
R562
10K
R523 10K
R500
100K
R525
100K
R538
51K
R503
1K
R527
1K
R535
1K
C591
100NF
C592
100NF
C593
100NF
C594
100NF
1%
R524
100K
50V
C577
330pF
R554
22
50V
C552
330pF
R528
22
50V
C571
1uF
GND
1
2
CON502
CON 2 POL PITCH 3.96MM
1
2
CON500
CON 2 POL PITCH 3.96MM
AOUT_R+(W_R+)
AOUT_L+(T_R+)
AOUT_L-(T_R-)
AOUT_R-(W_R-)
GND
Master mode,20dB;
Slave mode,20dB;
Mute Control
Display
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