Read JBL BD 300 (serv.man2) Service Manual online
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
LAYOUT NOTE
PLACE ON
SPK JACK SIDE
WIRE WIDE=3MM
WIRE WIDE=1MM
WIRE WIDE=1MM
WIRE WIDE=3MM
WIRE WIDE=3MM
WIRE WIDE=3MM
WIRE WIDE=3MM
WIRE WIDE=3MM
WIRE WIDE=3MM(via 4x ij0.4)
WIRE WIDE=3MM(via 4x ij0.4)
M_MUTE
SUB_OUT
+26V
D
D
+12V
D
D
+12V
+26V
+12V
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
+3.3V
+3.3V
+3.3_V
+3.3_V
D
D
D
D
D
D
/SD
OTW
VALID
PM_B3SL
PM_A8SW
SL+
SL-
PM_A3SL
PM_B8SW
SW-
SW+
M_MUTE
PWM_SUB-
PWM_SUB+
R793
20K/1%
R793
20K/1%
R787
10K
R787
10K
R796
100K
R796
100K
C674
270pF/50V/X7R
C674
270pF/50V/X7R
L806
FB80@100MHz
FB80@100MHz
L806
FB80@100MHz
FB80@100MHz
C751
0.1uF/50V/X7R
C751
0.1uF/50V/X7R
C722
0.033uF/50V/X7R
C722
0.033uF/50V/X7R
C815
0.1uF/50V/X7R
C815
0.1uF/50V/X7R
U33
AUDIO AMP_DRV602
U33
AUDIO AMP_DRV602
+I
N
R
1
-INR
2
OUTR
3
EN
5
SGND
4
PVSS
6
CN
7
CP
8
PVDD
9
PGND
10
NC
11
OUTL
12
-INL
13
+I
N
L
14
+
C864
470uF/50V
+
C864
470uF/50V
TP38
TP38
TP41
TP41
C667
1uF/10V/Y5V
C667
1uF/10V/Y5V
C818
0.1uF/50V/X7R
C818
0.1uF/50V/X7R
Q22
PNP_3CG3906M
Q22
PNP_3CG3906M
L807
FB80@100MHz
FB80@100MHz
L807
FB80@100MHz
FB80@100MHz
R806
20K/1%
R806
20K/1%
R805
5.6
5.6
R805
5.6
5.6
L718 10uH/5A
L718 10uH/5A
1
2
C865
0.1uF/50V/X7R
C865
0.1uF/50V/X7R
C819
0.1uF/50V/X7R
C819
0.1uF/50V/X7R
C668
470pF/50V/NP0
C668
470pF/50V/NP0
R776
27K
R776
27K
R786
3.3
3.3
R786
3.3
3.3
C675
10uF/10V/Y5V
C675
10uF/10V/Y5V
C866
0.1uF/50V/X7R
C866
0.1uF/50V/X7R
C670
0.1uF/50V/Y5V
C670
0.1uF/50V/Y5V
C813
0.1uF/50V/X7R
C813
0.1uF/50V/X7R
C662
1uF/25V/Y5V
C662
1uF/25V/Y5V
C868
0.1uF/50V/X7R
C868
0.1uF/50V/X7R
R807
100K
R807
100K
C1005
0.1uF/50V/X7R
C1005
0.1uF/50V/X7R
C810
0.1uF/50V/X7R
C810
0.1uF/50V/X7R
R789
10K
R789
10K
U712
TAS5342
U712
TAS5342
GVDD_B
1
OTW
2
SD
5
PWM_A
6
RESET_AB
7
PWM_B
8
OC_ADJ
9
GND
10
AGND
11
VREG
12
M3
13
M2
14
M1
15
PWM_C
16
RESET_CD
17
PWM_D
18
GVDD_C
22
GVDD_D
23
BST_D
24
PVDD_D
27
OUT_D
28
GND_D
29
GND_C
30
OUT_C
31
PVDD_C
32
BST_C
33
BST_B
34
PVDD_B
35
OUT_B
36
GND_B
37
GND_A
38
VDD
21
GVDD_A
44
BST_A
43
PVDD_A
40
OUT_A
39
NC
3
NC
4
NC
19
NC
20
NC
25
PVDD_D
26
PVDD_A
41
NC
42
R785
3.3
3.3
R785
3.3
3.3
C671
0.1uF/50V/Y5V
C671
0.1uF/50V/Y5V
C663
1uF/25V/Y5V
C663
1uF/25V/Y5V
TP40
TP40
R790
2.2K
R790
2.2K
R740
22K
R740
22K
C814
0.1uF/50V/X7R
C814
0.1uF/50V/X7R
R779
1K
R779
1K
C805
1000pF/50V/X7R
C805
1000pF/50V/X7R
R808
100
R808
100
C811
0.1uF/50V/X7R
C811
0.1uF/50V/X7R
L719 10uH/5A
L719 10uH/5A
1
2
C664
120pF/50V/NP0
C664
120pF/50V/NP0
C661
1uF/16V/Y5V
C661
1uF/16V/Y5V
C721
0.033uF/50V/X7R
C721
0.033uF/50V/X7R
R797
4.7
R797
4.7
C669
1uF/10V/Y5V
C669
1uF/10V/Y5V
C821
300pF/50V/NP0
C821
300pF/50V/NP0
C812
0.1uF/50V/X7R
C812
0.1uF/50V/X7R
R744
5.6
5.6
R744
5.6
5.6
R774
5.6
5.6
R774
5.6
5.6
C702
0.033uF/50V/X7R
C702
0.033uF/50V/X7R
C807
0.1uF/50V/X7R
C807
0.1uF/50V/X7R
R777
2.2K
2.2K
R777
2.2K
2.2K
C848
0.47uF/63V
C848
0.47uF/63V
C672
4.7uF/10V/Y5V
C672
4.7uF/10V/Y5V
C665
120pF/50V/NP0
C665
120pF/50V/NP0
C822
300pF/50V/NP0
C822
300pF/50V/NP0
C806
1000pF/50V/X7R
C806
1000pF/50V/X7R
C816
0.1uF/50V/X7R
C816
0.1uF/50V/X7R
C820
0.47uF/63V
C820
0.47uF/63V
R767
2.2
R767
2.2
C838
100pF/50V/NP0
C838
100pF/50V/NP0
R773
5.6
5.6
R773
5.6
5.6
R778
10K
R778
10K
C808
1000pF/50V/X7R
C808
1000pF/50V/X7R
XP23
2PIN/2.0mm
XP23
2PIN/2.0mm
1
1
2
2
Q20
NPN_3DG3904M
Q20
NPN_3DG3904M
R799
10K
R799
10K
C824
300pF/50V/NP0
C824
300pF/50V/NP0
R792
27K
R792
27K
R702
5.6
5.6
R702
5.6
5.6
L720 10uH/5A
L720 10uH/5A
1
2
R771
2.2
R771
2.2
Q23
NPN_3DG3904M
Q23
NPN_3DG3904M
C837
100pF/50V/NP0
C837
100pF/50V/NP0
+
C867
470uF/50V
+
C867
470uF/50V
C830
300pF/50V/NP0
C830
300pF/50V/NP0
L717 10uH/5A
L717 10uH/5A
1
2
C666
1uF/10V/Y5V
C666
1uF/10V/Y5V
C1004
0.1uF/50V/X7R
C1004
0.1uF/50V/X7R
C842
470pF/50V/NP0
C842
470pF/50V/NP0
C809
1000pF/50V/X7R
C809
1000pF/50V/X7R
R794 1K
R794 1K
R738
2.2
R738
2.2
C673
1uF/16V/Y5V
C673
1uF/16V/Y5V
C863
0.1uF/50V/X7R
C863
0.1uF/50V/X7R
C712
0.033uF/50V/X7R
C712
0.033uF/50V/X7R
C817
0.1uF/50V/X7R
C817
0.1uF/50V/X7R
R804
5.6
5.6
R804
5.6
5.6
TP37
TP37
R739
2.2
R739
2.2
Amplifier Board Circuit Diagram:SL+SW
7-4
7-4
JBL
SB 300 Service Manual
Page 27 of 41
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