DOWNLOAD JBL BD 300 (serv.man2) Service Manual ↓ Size: 4.11 MB | Pages: 42 in PDF or view online for FREE

Model
BD 300 (serv.man2)
Pages
42
Size
4.11 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
bd-300-sm2.pdf
Date
PREV: JBL BD 300 Service Manual

JBL BD 300 (serv.man2) Service Manual ▷ View online

A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
01UUSBJAK-101
To main board
STOP
OPEN
PLAY/PAUSE
To main board
max 100ma
+3.3V
USB_DM
USB_DP
USB_VCC
USB_VCC
USB_DP
USB_DM
AC2
AC1
LR24
VSCLK
VSTB
VSDA
AC2
+12V
-24V
+5VA
+5VA
USB_DM
USB_DP
IR
VSDA
VSTB
-24V
+12V
VSCLK
+3.3V
+12V
IR
+12VA
+5VA
KEY_POW
BT_EN
BT_RST
KEY_POW
BT_RST
BT_EN
BT_RCH
BT_LCH
BT_LCH
BT_RCH
+7.5V
-24V
-7.5V
-7.5V
-7.5V
BT_TX
BT_RX
+12V
+7.5V
+12V
BT_TX
BT_RX
-24V
+5VA
USB_VCC
+3.3V
+5VA
+3.3V
+3.3V
+3.3V
BT_3V3
BT_3V3
BT_3V3
R653
10K
R653
10K
ZD135
ZMM6V2/6.2V
ZD135
ZMM6V2/6.2V
TP237
TP237
R159
10K
R159
10K
Q620
PNP_3CG3906M
Q620
PNP_3CG3906M
R944
47K
R944
47K
C782
4.7uF/16V/Y5V
C782
4.7uF/16V/Y5V
C222
4.7uF/16V/Y5V
C222
4.7uF/16V/Y5V
C618
47pF/50V/NP0
C618
47pF/50V/NP0
TP242
TP242
FB610
500/800mA
FB610
500/800mA
TP234
TP234
VFD
VFD_32P_VFD200824
VFD
VFD_32P_VFD200824
F2
1
F2
2
2G
5
3G
6
4G
7
5G
8
6G
9
7G
10
8G
11
NC
12
P1
13
P14
27
P15
28
NC
29
NP
30
F1
31
F1
32
NC
26
P13
25
P12
24
P11
23
P10
22
P9
21
P3
15
P2
14
NP
3
1G
4
P4
16
P5
17
P6
18
P7
19
P8
20
RX
RX
ZD137
BZV55C7V5/7.5V
ZD137
BZV55C7V5/7.5V
FB612
500/800mA
FB612
500/800mA
R145
1K
R145
1K
C223
4.7uF/16V/Y5V
C223
4.7uF/16V/Y5V
C620
0.1uF/16V/X7R
C620
0.1uF/16V/X7R
C150
47pF/50V/NP0
C150
47pF/50V/NP0
TX
TX
R934
NC/0
R934
NC/0
R162
100
R162
100
TP243
TP243
C773
100pF/50V/NP0
C773
100pF/50V/NP0
C775
1uF/16V/Y5V
C775
1uF/16V/Y5V
C621
0.1uF/16V/X7R
C621
0.1uF/16V/X7R
+
3.3uF/50V
CE135
+
3.3uF/50V
CE135
Q139
NPN_3DG3904M
Q139
NPN_3DG3904M
R141
5.6
R141
5.6
R147
1K
R147
1K
R164
100
R164
100
R637
10K
R637
10K
R937
47K
R937
47K
C774
NC/0.1uF/16V/X7R
C774
NC/0.1uF/16V/X7R
C776
1uF/16V/Y5V
C776
1uF/16V/Y5V
FB614
500/800mA
FB614
500/800mA
FB604
500/800mA
FB604
500/800mA
R421
2.2K
R421
2.2K
R684
750
R684
750
R154
1K
R154
1K
C770
100pF/50V/NP0
C770
100pF/50V/NP0
R686
7.5K
R686
7.5K
TP235
TP235
C148
0.1uF/50V/X7R
C148
0.1uF/50V/X7R
R155
1K
R155
1K
R138
470
R138
470
R938
47K
R938
47K
R1
0
R1
0
C777
1uF/16V/Y5V
C777
1uF/16V/Y5V
LED1
LED_RED
LED1
LED_RED
K138
K138
R426
100K
R426
100K
U405
BT_BM153
U405
BT_BM153
AIO1
1
AIO0
2
RESET
3
GND
4
PIO9
5
PIO1 0
6
PIO11
7
PIO12
8
PIO13
9
PIO14
10
PIO15
11
GND
12
VDD
13
VDD_USB
14
+1V8
15
GND
16
USB_DP
17
USB_DN
18
UART_RTS
19
ART_CTS
20
UART_RX
21
UART_TX
22
PCM_IN
23
PCM_SYNC
24
PCM_CLK
25
PCM_OUT
26
SPI_CSB
27
SPI_MISO
28
SPI_CLK
29
SPI_MOSI
30
GND
48
MIC_A_N
47
MIC_A_P
46
MIC_B_N
45
MIC_B_P
44
MIC_BIAS
43
GND_S
42
SPK_R_P
41
SPK_R_N
40
SPK_L_P
39
SPK_L_N
38
GND
37
LED0
36
LED1
35
VDD_CHG
34
GND
33
VDD_BAT
32
VRE_IN
31
GND
60
RF
59
GND
58
PIO8
57
PIO7
56
PIO6
55
PIO5
54
PIO4
53
PIO3
52
PIO2
51
PIO1
50
PIO0
49
R929
0
R929
0
R150
2.2K
R150
2.2K
C769
22pF/50V/NP0
C769
22pF/50V/NP0
R136
2.2
R136
2.2
U135
DRIVER_VFD_CS6312EN
U135
DRIVER_VFD_CS6312EN
SW1
1
SW2
2
SW3
3
SW4
4
SDout
5
SDin
6
GND
7
SCLK
8
/CS
9
KEY1
10
KEY2
11
KEY3
12
KEY4
13
VDD
14
SEG1/K1
15
SEG2/K2
16
SEG3/K3
17
SEG4/K4
18
SEG5/K5
19
SEG6/K6
20
SEG7
21
SEG8
22
SEG9
23
SEG10
24
SEG11
25
SEG12
26
VEE
27
SEG13
28
SEG14
29
SEG15
30
SEG16
31
G6
32
G5
33
G4
34
G3
35
G2
36
G1
37
VDD
38
LED4
39
LED3
40
LED2
41
LED1
42
GND
43
OSC
44
R939
47K
R939
47K
C778
1uF/16V/Y5V
C778
1uF/16V/Y5V
R3
0
R3
0
C772
100pF/50V/NP0
C772
100pF/50V/NP0
Q9
P_A03407
Q9
P_A03407
G
D
S
Q138
NPN_3DG3904M
Q138
NPN_3DG3904M
+
47uF/16V
CE606
+
47uF/16V
CE606
TP233
TP233
Q136
NPN_3DG3904M
Q136
NPN_3DG3904M
FB609
500/600mA
FB609
500/600mA
R635
100
R635
100
R146
10K
R146
10K
R940
47K
R940
47K
ESD1
PRTR5V0U2X
ESD1
PRTR5V0U2X
1
2
3
4
K136
K136
R945
750R
R945
750R
TP236
TP236
R165
1K
R165
1K
XP2
20PIN/1.0mm
XP2
20PIN/1.0mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
C771
100pF/50V/NP0
C771
100pF/50V/NP0
C763
100pF/50V/NP0
C763
100pF/50V/NP0
TP244
TP244
R163
100
R163
100
Q137
PNP_3CG3906M
Q137
PNP_3CG3906M
C275
0.1uF/25V/Y5V
C275
0.1uF/25V/Y5V
R148
51K
R148
51K
R941
47K
R941
47K
R683
10K
R683
10K
K135
K135
S608
POWER
S608
POWER
R638
100
R638
100
R936
NC/0
R936
NC/0
R495
220K
R495
220K
R157
10K
R157
10K
+
-
U406A
F4558
+
-
U406A
F4558
3
2
1
8
4
R158
10K
R158
10K
R153
4.7K
R153
4.7K
R942
47K
R942
47K
C152
0.1uF/50V/X7R
C152
0.1uF/50V/X7R
C765
100pF/50V/NP0
C765
100pF/50V/NP0
C617
0.1uF/16V/X7R
C617
0.1uF/16V/X7R
R143
4.7K
R143
4.7K
P801
USB-A/BK
P801
USB-A/BK
VCC
1
D-
2
D+
3
GND
4
Shell B
6
Shell A
5
R144
10K
R144
10K
TP239
TP239
R140
330
R140
330
Q135
NPN_3DG3904M
Q135
NPN_3DG3904M
C766
100pF/50V/NP0
C766
100pF/50V/NP0
R161
2.2K
R161
2.2K
R935
NC/0
R935
NC/0
C273
0.1uF/25V/Y5V
C273
0.1uF/25V/Y5V
+
3.3uF/50V
CE138
+
3.3uF/50V
CE138
R135
470
R135
470
TP240
TP240
R174
47K
R174
47K
C145
47pF/50V/NP0
C145
47pF/50V/NP0
ZD138
BZV55C7V5/7.5V
ZD138
BZV55C7V5/7.5V
C779
4.7uF/16V/Y5V
C779
4.7uF/16V/Y5V
R152
47K
R152
47K
+
-
U406B
F4558
+
-
U406B
F4558
5
6
7
8
4
R447
1K
R447
1K
R139
470
R139
470
IR601
IRM_12mm
IR601
IRM_12mm
IR
1
GND
2
VCC
3
GND
4
GND
5
C135
1000pF/50V/X7R
C135
1000pF/50V/X7R
XS604
4PIN/2.0mm/200mm
XS604
4PIN/2.0mm/200mm
1
1
2
2
3
3
4
4
R151
47K
R151
47K
C274
10uF/16V/X7R
C274
10uF/16V/X7R
R946
750R
R946
750R
C149
47pF/50V/NP0
C149
47pF/50V/NP0
TP241
TP241
C768
100pF/50V/NP0
C768
100pF/50V/NP0
FB613
500/800mA
FB613
500/800mA
C780
4.7uF/16V/Y5V
C780
4.7uF/16V/Y5V
ZD136
BZV55C5V1/5.1V
ZD136
BZV55C5V1/5.1V
C781
4.7uF/16V/Y5V
C781
4.7uF/16V/Y5V
R149
2.2K
R149
2.2K
R943
47K
R943
47K
R171
4.7K
R171
4.7K
TP238
TP238
R137
10K
R137
10K
C764
100pF/50V/NP0
C764
100pF/50V/NP0
R142
18K
R142
18K
L40
400/200mA
L40
400/200mA
FV Board Circuit Diagram:
7-1
7-1
JBL
SB 300 Service Manual
Page 24 of 41
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
LAYOUT NOTE:
EMI SNUBBER
PLACE TO THE 
RIGHT OF U100
LAYOUT NOTE:
EMI SNUBBER
PLACE TO THE 
LEFT OF U100
LAYOUT NOTE:
EMI SNUBBER
PLACE NEAR
J901 PIN 1
ADD FB8 AND +12V-FAN
 NET FOR FAN
CHANGE  FROM
 1% TO 5%
CHANGE Q7  FROM
 8050 TO 3904
CHANGE  FROM
 0402 TO 0603
CHANGE R723/R722
 FROM 0402 TO 0603
WIRE WIDE•5MM
CHANGE C729/C730/C742 FROM
 0603 TO 0402
adjust FAN START,change R791/R137/R139 value 2011.8.22 
add  C744 ,for EMC
CHANGE U705 FROM A4558 TO LM358
add  R718 R717
DVDD1
DVDD1
GND
GND
SHUT_DOWN
I2C_SCL
BICK
DSP_MUTE
RESET
OTW
I2C_SDA
MCLK
LRCLK
GND
GND
M_CLK
/PDN
/BKND_ERR
/RESET_MODULATOR
M_MUTE
1/2power-control
1/2power-control
SDA-A
M_MUTE
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
+12V
+3.3V
+3.3V
+12V
+3.3V
+3.3V
+12V-FAN
+12V
+3.3V
+3.3V
+3.3V
+26V
D
+12V-FAN
D
D
+12V-A
+12V-A
+12V-A
D
D
D
D
D
M_CLK
S_CLK
SDIN3
SDIN2
SDIN1
L_RCLK
SCL-A
SDIN1
SDIN2
PM_A8SW
PM_B8SW
/RESET_MODULATOR
SDIN3
S_CLK
L_RCLK
PM_A1FL
PM_B1FL
SCL-A
/BKND_ERR
PM_A2FR
PM_B2FR
OTW
VALID
R-
L-
/SD
PM_A3SL
PM_B3SL
PM_A4SR
PM_B4SR
PM_A7CEN
PM_B7CEN
SW-
SDA-A
/PDN
SR-
SL-
CEN-
PWM_SUB+
PWM_SUB-
VALID
R136
4.7
R136
4.7
C740
1uF/16V/Y5V
C740
1uF/16V/Y5V
TP57
TP57
R760
0
R760
0
R788
4.7K
R788
4.7K
C713
0.1uF/50V/X7R
C713
0.1uF/50V/X7R
Q3
PNP_S8550C
Q3
PNP_S8550C
R706
100
R706
100
R813
100
R813
100
R8
47K
R8
47K
+
CE705
4.7uF/50V
+
CE705
4.7uF/50V
C839
0.1uF/50V/X7R
C839
0.1uF/50V/X7R
C716
NC/0.1uF/50V/X7R
C716
NC/0.1uF/50V/X7R
R747
200
R747
200
C1024
0.01uF/50V/X7R
C1024
0.01uF/50V/X7R
R730
47
R730
47
R809
4.7K
R809
4.7K
Y2
13.5MHz/30PPM
Y2
13.5MHz/30PPM
R827
8.2K
R827
8.2K
D714
LL4148
D714
LL4148
R710
100
R710
100
R828
8.2K
R828
8.2K
Q7
NPN_3DG3904M
Q7
NPN_3DG3904M
C729
0.1uF/16V/X7R
C729
0.1uF/16V/X7R
+
C857
NC/470uF/50V
+
C857
NC/470uF/50V
C841
0.1uF/50V/X7R
C841
0.1uF/50V/X7R
R754
1M
R754
1M
TP22
TP22
C733
0.1uF/50V/X7R
C733
0.1uF/50V/X7R
C737
15pF/50V/NP0
C737
15pF/50V/NP0
C741
0.1uF/50V/X7R
C741
0.1uF/50V/X7R
R847
2.7K
R847
2.7K
C715
0.1uF/50V/X7R
C715
0.1uF/50V/X7R
C829
0.1uF/50V/X7R
C829
0.1uF/50V/X7R
U714
TAS5508
U714
TAS5508
VRA_PLL
1
PLL_FLT_RET
2
PLL_FLTM
3
PLL_FLTP
4
AVSS
5
AVSS
6
VRD_PLL
7
AVSS_PLL
8
AVDD_PLL
9
VBGAP
10
RESET
11
HP_SEL
12
PDN
13
MUTE
14
DVDD
15
DVSS
16
VR_DPLL
17
OSC_CAP
18
XTL_OUT
19
XTL_IN
20
RESERVED
21
RESERVED
22
RESERVED
23
SDA
24
SCL
25
LRCLK
26
SCLK
27
SDIN4
28
SDIN3
29
SDIN2
30
SDIN1
31
PSVC
32
VR_PWM
48
PWM_P_4
47
PWM_M_4
46
PWM_P_3
45
PWM_M_3
44
PWM_P_2
43
PWM_M_2
42
PWM_P_1
41
PWM_M_1
40
VALID
39
DVSS
38
BKND_ERR
37
DVDD 1
36
DVSS
35
DVSS
34
VR_DIG
33
RESERVED
64
MCLK
63
PWM_HPP_R
62
PWM_HPM_R
61
PWM_HPP_L
60
PWM_HPM_L
59
PWM_P_6
58
PWM_M_6
57
PWM_P_5
56
PWM_M_5
55
DVDD_PWM
54
DVSS_PWM
53
PWM_P_8
52
PWM_M_8
51
PWM_P_7
50
PWM_M_7
49
C90
0.1uF/50V/X7R
C90
0.1uF/50V/X7R
C802
0.1uF/50V/X7R
C802
0.1uF/50V/X7R
FB712
500/800mA
FB712
500/800mA
R795
100K
R795
100K
R829
8.2K
R829
8.2K
R723
30K
R723
30K
C1023
0.01uF/50V/X7R
C1023
0.01uF/50V/X7R
TP48
TP48
C1043
10pF/50V/NP0
C1043
10pF/50V/NP0
TP25
TP25
C828
0.1uF/50V/X7R
C828
0.1uF/50V/X7R
C726
0.1uF/50V/X7R
C726
0.1uF/50V/X7R
TP20
TP20
+
CE706
4.7uF/50V
+
CE706
4.7uF/50V
C735
1000pF/50V/X7R
C735
1000pF/50V/X7R
R750
100
R750
100
R761
0
R761
0
R855
4.7K
R855
4.7K
C826
0.1uF/50V/X7R
C826
0.1uF/50V/X7R
R784
4.7K
R784
4.7K
R711
100
R711
100
+
CE724
47uF/16V
+
CE724
47uF/16V
R720
1K
R720
1K
+
CE726
47uF/16V
+
CE726
47uF/16V
C823
0.1uF/50V/X7R
C823
0.1uF/50V/X7R
R852
4.7K
R852
4.7K
C1015
0.01uF/50V/X7R
C1015
0.01uF/50V/X7R
R768
3.3
R768
3.3
R825
8.2K
R825
8.2K
R853
4.7K
R853
4.7K
R839
5.6K
R839
5.6K
C739
0.1uF/50V/X7R
C739
0.1uF/50V/X7R
CE723
10uF/10V/Y5V
CE723
10uF/10V/Y5V
R758
47
R758
47
TP39
TP39
R719
1K
R719
1K
+
CE702
4.7uF/50V
+
CE702
4.7uF/50V
R46
680
R46
680
R791
2K
R791
2K
R856
4.7K
R856
4.7K
CE725
10uF/10V/Y5V
CE725
10uF/10V/Y5V
+
-
U705A
LM358
+
-
U705A
LM358
3
2
1
8
4
R721
1K
R721
1K
C1044
10pF/50V/NP0
C1044
10pF/50V/NP0
R820
68K
R820
68K
R130
1K
R130
1K
+
CE744
100uF/16V
+
CE744
100uF/16V
R712
100
R712
100
R775
8.2K
R775
8.2K
R851
4.7K
R851
4.7K
TP47
TP47
C1039
10pF/50V/NP0
C1039
10pF/50V/NP0
D715
LL4148
D715
LL4148
C731
0.1uF/16V/X7R
C731
0.1uF/16V/X7R
C736
0.1uF/50V/X7R
C736
0.1uF/50V/X7R
R854
4.7K
R854
4.7K
TP43
TP43
+
-
U705B
LM358
+
-
U705B
LM358
5
6
7
8
4
C725
15pF/50V/NP0
C725
15pF/50V/NP0
CE720
10uF/10V/Y5V
CE720
10uF/10V/Y5V
R741
1K
R741
1K
TP21
TP21
R746
47
R746
47
R703
100
R703
100
R137
1.2K
R137
1.2K
C792
0.1uF/50V/X7R
C792
0.1uF/50V/X7R
R9
47K
R9
47K
TOP
XP703
24PIN/0.5mm
TOP
XP703
24PIN/0.5mm
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
25 26
27 28
C1040
10pF/50V/NP0
C1040
10pF/50V/NP0
C734
0.1uF/50V/X7R
C734
0.1uF/50V/X7R
TP24
TP24
FB8
70/1A
FB8
70/1A
R762
0
R762
0
R729
47
R729
47
R79
150
R79
150
TP63
TP63
R80
150
R80
150
XP8
2PIN/2.0mm
XP8
2PIN/2.0mm
1
1
2
2
CE719
10uF/10V/Y5V
CE719
10uF/10V/Y5V
R745
47
R745
47
C738
0.1uF/50V/X7R
C738
0.1uF/50V/X7R
R717
0
R717
0
R133
5.6K
R133
5.6K
R707
100
R707
100
R713
100
R713
100
R724
150K
R724
150K
R751
1K
R751
1K
C825
0.1uF/50V/X7R
C825
0.1uF/50V/X7R
R759
47
R759
47
TP33
TP33
R722
15K
R722
15K
C1041
10pF/50V/NP0
C1041
10pF/50V/NP0
TP64
TP64
C831
0.1uF/50V/X7R
C831
0.1uF/50V/X7R
C718
0.01uF/50V/X7R
C718
0.01uF/50V/X7R
R76
4.7K
R76
4.7K
R734
47
R734
47
R704
100
R704
100
TP46
TP46
C728
0.1uF/50V/X7R
C728
0.1uF/50V/X7R
C727
0.1uF/50V/X7R
C727
0.1uF/50V/X7R
C744
1000pF/50V/X7R
C744
1000pF/50V/X7R
C732
0.1uF/50V/X7R
C732
0.1uF/50V/X7R
R716
100
R716
100
R748
4.7
R748
4.7
D718
LL4148
D718
LL4148
XP702
4PIN/2.5mm
XP702
4PIN/2.5mm
1
1
2
2
3
3
4
4
C709
0.01uF/50V/X7R
C709
0.01uF/50V/X7R
C1022
0.01uF/50V/X7R
C1022
0.01uF/50V/X7R
TP42
TP42
TP36
TP36
C827
0.1uF/50V/X7R
C827
0.1uF/50V/X7R
R752
1K
R752
1K
R718
NC /0
R718
NC /0
R733
200
R733
200
R134
5.6K
R134
5.6K
C832
0.1uF/50V/X7R
C832
0.1uF/50V/X7R
R708
100
R708
100
C742
0.1uF/16V/X7R
C742
0.1uF/16V/X7R
+
CE703
4.7uF/50V
+
CE703
4.7uF/50V
R714
100
R714
100
CE746
1uF/16V/Y5V
CE746
1uF/16V/Y5V
R769
10K
R769
10K
TP60
TP60
C1038
10pF/50V/NP0
C1038
10pF/50V/NP0
R770
3.3
R770
3.3
R732
47
R732
47
TP23
TP23
D719
LL4148
D719
LL4148
C1037
10pF/50V/NP0
C1037
10pF/50V/NP0
C101
0.1uF/50V/X7R
C101
0.1uF/50V/X7R
R772
3.3
R772
3.3
R844
5.6K
R844
5.6K
FB711
500/800mA
FB711
500/800mA
+
CE704
4.7uF/50V
+
CE704
4.7uF/50V
R705
100
R705
100
R830
10
R830
10
D717
LL4148
D717
LL4148
C730
0.1uF/16V/X7R
C730
0.1uF/16V/X7R
C1042
10pF/50V/NP0
C1042
10pF/50V/NP0
+
220uF/16V
CE39
+
220uF/16V
CE39
TP32
TP32
Q702
NPN_3DG3904M
Q702
NPN_3DG3904M
+ CE24
47uF/16V
+ CE24
47uF/16V
R735
1
R735
1
R749
1
R749
1
R709
100
R709
100
TP45
TP45
R135
4.7
R135
4.7
R715
1K
R715
1K
R731
47
R731
47
R850
4.7K
R850
4.7K
+
CE701
22uF/50V
+
CE701
22uF/50V
R826
8.2K
R826
8.2K
D720
LL4148
D720
LL4148
R139
5.6K
R139
5.6K
Amplifier Board Circuit Diagram:DSP
7-2
7-2
JBL
SB 300 Service Manual
Page 25 of 41
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
LAYOUT NOTE
PLACE ON
COMPONENT SIDE
LAYOUT NOTE
PLACE ON
COMPONENT SIDE
LC DEMODULATION
FILTER
LAYOUT NOTE
PLACE ON
COMPONENT SIDE
LAYOUT NOTE
PLACE ON
SPK JACK SIDE
LC DEMODULATION
FILTER
LAYOUT NOTE
PLACE ON
SPK JACK SIDE
WIRE WIDE=3MM
WIRE WIDE=3MM
WIRE WIDE=3.5MM
WIRE WIDE=3.5MM
WIRE WIDE=5MM
WIRE WIDE=5MM
WIRE WIDE=5MM
WIRE WIDE=3MM(via 4x ij0.4)
WIRE WIDE=3MM(via 4x ij0.4)
WIRE WIDE=3MM(via 4x ij0.4)
WIRE WIDE=3.5MM
WIRE WIDE=3.5MM
NOTE ALL CHANEL POWER SUPPLY NET  \SPEAKER  OUT NET AND   ITS  WIRE WIDE=3.5MM
SUB+
SUB-
FL+
FL-
FR+
SL+
SL-
CEN-
SR-
SR+
CEN+
FR-
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
+12V
+12V
+12V
+26V
D
D
+26V
D
D
D
+26V
D
D
D
+12V
+12V
+26V
+12V
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
OTW
VALID
PM_B2FR
PM_A1FL
PM_A2FR
PM_B1FL
R+
R-
L+
L-
R+
R-
L+
L-
/SD
/SD
OTW
VALID
PM_A4SR
PM_B7CEN
PM_B4SR
PM_A7CEN
CEN-
CEN+
SR-
SR+
SW+
SW-
CEN-
CEN+
SR-
SR+
SL-
SL+
C861
0.1uF/50V/X7R
C861
0.1uF/50V/X7R
C789
300pF/50V/NP0
C789
300pF/50V/NP0
C763
0.1uF/50V/X7R
C763
0.1uF/50V/X7R
C710
0.033uF/50V/X7R
C710
0.033uF/50V/X7R
R783
3.3
R783
3.3
C1003
0.1uF/50V/X7R
C1003
0.1uF/50V/X7R
C773
0.1uF/50V/X7R
C773
0.1uF/50V/X7R
R764
2.2
R764
2.2
U711
TAS5342
U711
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
R782
3.3
R782
3.3
L803
FB80@100MHz
L803
FB80@100MHz
C835
100pF/50V/NP0
C835
100pF/50V/NP0
C782
0.1uF/50V/X7R
C782
0.1uF/50V/X7R
TP26
TP26
C798
0.1uF/50V/X7R
C798
0.1uF/50V/X7R
+
C854
470uF/50V
+
C854
470uF/50V
C764
0.1uF/50V/X7R
C764
0.1uF/50V/X7R
C790
300pF/50V/NP0
C790
300pF/50V/NP0
TP34
TP34
C788
0.47uF/63V
C788
0.47uF/63V
C714
0.033uF/50V/X7R
C714
0.033uF/50V/X7R
C850
0.1uF/50V/X7R
C850
0.1uF/50V/X7R
+
C855
470uF/50V
+
C855
470uF/50V
R737
22K
R737
22K
C796
0.1uF/50V/X7R
C796
0.1uF/50V/X7R
C771
1000pF/50V/X7R
C771
1000pF/50V/X7R
R763
2.2
R763
2.2
C701
0.033uF/50V/X7R
C701
0.033uF/50V/X7R
C765
1000pF/50V/X7R
C765
1000pF/50V/X7R
C785
0.1uF/50V/X7R
C785
0.1uF/50V/X7R
C700
0.033uF/50V/X7R
C700
0.033uF/50V/X7R
C1002
0.1uF/50V/X7R
C1002
0.1uF/50V/X7R
R780
3.3
R780
3.3
C774
0.1uF/50V/X7R
C774
0.1uF/50V/X7R
C801
300pF/50V/NP0
C801
300pF/50V/NP0
TP28
TP28
C791
0.1uF/50V/X7R
C791
0.1uF/50V/X7R
R743
5.6
R743
5.6
L715 10uH/5A
L715 10uH/5A
1
2
R726
2.2
R726
2.2
C766
1000pF/50V/X7R
C766
1000pF/50V/X7R
C797
0.1uF/50V/X7R
C797
0.1uF/50V/X7R
C717
0.033uF/50V/X7R
C717
0.033uF/50V/X7R
R801
5.6
R801
5.6
C767
300pF/50V/NP0
C767
300pF/50V/NP0
C803
300pF/50V/NP0
C803
300pF/50V/NP0
U710
TAS5342
U710
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
C772
1000pF/50V/X7R
C772
1000pF/50V/X7R
C847
0.47uF/63V
C847
0.47uF/63V
L716 10uH/5A
L716 10uH/5A
1
2
L711 10uH/5A
L711 10uH/5A
1
2
C852
0.1uF/50V/X7R
C852
0.1uF/50V/X7R
C800
0.47uF/63V
C800
0.47uF/63V
R742
5.6
R742
5.6
C749
0.1uF/50V/X7R
C749
0.1uF/50V/X7R
R765
2.2
R765
2.2
R727
2.2
R727
2.2
C770
0.1uF/50V/X7R
C770
0.1uF/50V/X7R
XP701
SPK JACK
XP701
SPK JACK
SUB-
12
SUB+
11
FR+
1
FR-
2
FL+
3
FL-
4
CEN+
5
CEN-
6
SR+
7
SR-
8
SL+
9
SL-
10
C775
0.1uF/50V/X7R
C775
0.1uF/50V/X7R
C781
300pF/50V/NP0
C781
300pF/50V/NP0
R701
5.6
R701
5.6
C799
0.1uF/50V/X7R
C799
0.1uF/50V/X7R
L712 10uH/5A
L712 10uH/5A
1
2
R753
5.6
R753
5.6
C783
1000pF/50V/X7R
C783
1000pF/50V/X7R
R781
3.3
R781
3.3
C793
1000pF/50V/X7R
C793
1000pF/50V/X7R
R700
5.6
R700
5.6
R766
2.2
R766
2.2
C769
0.1uF/50V/X7R
C769
0.1uF/50V/X7R
+
C862
470uF/50V
+
C862
470uF/50V
C804
300pF/50V/NP0
C804
300pF/50V/NP0
L713 10uH/5A
L713 10uH/5A
1
2
C840
0.47uF/63V
C840
0.47uF/63V
C778
0.1uF/50V/X7R
C778
0.1uF/50V/X7R
C833
100pF/50V/NP0
C833
100pF/50V/NP0
C776
0.1uF/50V/X7R
C776
0.1uF/50V/X7R
C784
1000pF/50V/X7R
C784
1000pF/50V/X7R
C795
1000pF/50V/X7R
C795
1000pF/50V/X7R
TP29
TP29
R728
2.2
R728
2.2
L710 10uH/5A
L710 10uH/5A
1
2
C859
0.1uF/50V/X7R
C859
0.1uF/50V/X7R
C711
0.033uF/50V/X7R
C711
0.033uF/50V/X7R
C794
0.1uF/50V/X7R
C794
0.1uF/50V/X7R
L709 10uH/5A
L709 10uH/5A
1
2
C768
300pF/50V/NP0
C768
300pF/50V/NP0
R736
2.2
R736
2.2
R757
5.6
R757
5.6
R802
5.6
R802
5.6
C1001
0.1uF/50V/X7R
C1001
0.1uF/50V/X7R
L804
FB80@100MHz
L804
FB80@100MHz
C750
0.1uF/50V/X7R
C750
0.1uF/50V/X7R
TP30
TP30
C720
0.033uF/50V/X7R
C720
0.033uF/50V/X7R
TP35
TP35
C836
100pF/50V/NP0
C836
100pF/50V/NP0
+
C860
470uF/50V
+
C860
470uF/50V
R755
5.6
R755
5.6
TP27
TP27
L805
FB80@100MHz
L805
FB80@100MHz
C777
0.1uF/50V/X7R
C777
0.1uF/50V/X7R
C719
0.033uF/50V/X7R
C719
0.033uF/50V/X7R
C786
0.1uF/50V/X7R
C786
0.1uF/50V/X7R
C779
0.1uF/50V/X7R
C779
0.1uF/50V/X7R
R800
5.6
R800
5.6
C834
100pF/50V/NP0
C834
100pF/50V/NP0
C858
0.1uF/50V/X7R
C858
0.1uF/50V/X7R
R725
22K
R725
22K
L802
FB80@100MHz
L802
FB80@100MHz
L714 10uH/5A
L714 10uH/5A
1
2
C780
0.1uF/50V/X7R
C780
0.1uF/50V/X7R
C856
0.1uF/50V/X7R
C856
0.1uF/50V/X7R
TP31
TP31
C787
0.1uF/50V/X7R
C787
0.1uF/50V/X7R
C851
0.1uF/50V/X7R
C851
0.1uF/50V/X7R
C1000
0.1uF/50V/X7R
C1000
0.1uF/50V/X7R
R756
5.6
R756
5.6
R803
5.6
R803
5.6
C853
0.1uF/50V/X7R
C853
0.1uF/50V/X7R
Amplifier Board Circuit Diagram:R+L+CEN+SR OUT
7-3
7-3
JBL
SB 300 Service Manual
Page 26 of 41
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
L806
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
L807
FB80@100MHz
R806
20K/1%
R806
20K/1%
R805
5.6
R805
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
R786
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
R785
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
R744
5.6
R774
5.6
R774
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
R777
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
R773
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
R702
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
R804
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
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