DOWNLOAD JBL SB 250 (serv.man2) Service Manual ↓ Size: 4.68 MB | Pages: 37 in PDF or view online for FREE

Model
SB 250 (serv.man2)
Pages
37
Size
4.68 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sb-250-sm2.pdf
Date
PREV: JBL SB 250 Service Manual

JBL SB 250 (serv.man2) Service Manual ▷ View online

SCHEMATIC DIAGRAM - MCU PART
RG15
1
VDD
2
AN22/RPE5/PMD5/RE5
3
AN23/PMD6/RE6
4
AN27/PMD7/RE7
5
RPC1/RC1
6
RPC2/RC2
7
RPC3/RC3
8
RPC4/CTED7/RC4
9
AN16/C1IND/RPG6/SCK2/PMA5/RG6
10
AN17/C1INC/RPG7/PMA4/RG7
11
AN18/C2IND/RPG8/PMA3/RG8
12
MCLR
13
AN19/C2INC/RPG9/PMA2/RG9
14
VSS
15
VDD
16
TMS/CTED1/RA0
17
RPE8/RE8
18
RPE9/RE9
19
AN5/C1INA/RPB5/RB5
20
AN4/C1INB/RB4
21
PGED3/AN3/C2INA/RPB3/RB3
22
PGEC3/AN2/C2INB/RPB2/CTED13/RB2
23
PGEC1/AN1/RPB1/CTED12/RB1
24
PGED1/AN0/RPB0/RB0
25
PGEC2/AN6/RPB6/RB6
26
PGED2/AN7/RPB7/TED3/RB7
27
VREF-/CVREF-/PMA7/RA9
28
VREF+/CVREF+/PMA6/RA10
29
AVDD
30
AVSS
31
AN8/RPB8/CTED10/RB8
32
AN9/RPB9/CTED4/RB9
33
CVREFOUT/AN10/CTED11PMA13/RB10
34
AN11/PMA12/RB11
35
VSS
36
VDD
37
TCK/CTED2/RA1
38
RPF13/RF13
39
RPF12/RF12
40
AN12/PMA11/RB12
41
AN13/PMA10/RB13
42
AN14/RPB14/CTED5/PMA1/RB14
43
AN15/RPB15/OCFB/CTED6/PMA0/RB15
44
VSS
45
VDD
46
RPD14/RD14
47
RPD15/RD15
48
RPF4/PMA9/RF4
49
RPF5/PMA8/RF5
50
RPF3/RF3
51
RPF2/RF2
52
RPF8/RF8
53
RPF8/R
54
RPF/SCK1/INT/RF
55
SDA/RG3
56
SCL/RG2
57
SCL2/RA2
58
SDA2/RA3
59
TDI/CTED/RA4
60
TDO/RA5
61
VDD
62
OSC1/CLKI/RC12
63
OSC2/CLKO/RC15
64
VSS
65
RPA14/RA14
66
RPA15/RA15
67
RPD8/RTCC/RD8
68
RPD9/RD9
69
RPD10/PMCS2/RD10
70
RPD11/PMCS1/RD11
71
RPD0/RD0
72
SOSCI/RPC13/RC13
73
SOSCO/RPC14/T1CK/RC14
74
VSS
75
AN24/RPD1/RD1
76
AN25/RPD2/RD2
77
AN26/RPD3/RD3
78
RPD12/PMD12/RD12
79
PMD13/RD13
80
RPD4/PMWR/RD4
81
RPD5/PMRD/RD5
82
PMD14/RD6
83
PMD15/RD7
84
VCAP
85
VDD
86
RPF0/PMD11/RF0
87
RPF1/PMD10/RF1
88
RPG1/PMD9/RG1
89
RPG0/PMD8/RG0
90
TRCLK/RA6
91
TRD3/CTED8/RA7
92
PMD0/RE0
93
PMD1/RE1
94
TRD2/RG14
95
TRD1/RG12
96
TRD0/RG13
97
AN20/PMD2/RE2
98
RPE3/CTPLS/PMD3/RE3
99
AN21/PMD4/RE4
100
U102
PIC32MX450F512L
C149
20PF
C148
100NF
C142
100NF
C141
10PF
C146
10PF
R124
33
R127
33
R165
33
R148
100
R146
100
R144
100
R141
100
R138
33
R135
100
R155
33
R128
33
R189
33
R150
33
R147
10K
R119
100
R113
100
C134
10NF
C133
100NF
C132
1UF
C127
10NF
C126
100NF
C125
1UF
C123
10NF
C122
100NF
C121
1UF
C117
10NF
C116
100NF
C115
1UF
R153
10
L103
1K @ 100MHz
C114
NM
C113
100NF
R112
470
R116
10K
R101
100K
R326
10K
C109
10NF
C108
100NF
C107
1UF
R103
NM
R105
10K
R102
10K
R104
NM
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U101
M24C16MNB
C101
10UF
C104
100NF
L100
BLM18BD471SN1
R195
10K
R191
10K
R130
33
R139
100
R154
33
R196
33
R160
33
R162
33
R158
33
R163
10K
R161
10K
R117
100
R136
10K
R140
10K
R145
100
C120
1UF
C119
100NF
C118
10UF
C131
1UF
C130
100NF
C129
10NF
Y100
4.000MHz
C124
22PF
C128
22PF
R164
499K
SPDIF_DET
R290
33
AUX_IN_DET
R288 33
CODEC_DAI_SCLK_C
R287
0R
C102
20PF
R284
0R
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD
7
VCC
8
U103
S25FL208K0RMFI011
R106
10K
R1
0
7
NM
DSP_INT_B
R1
0
9
10K
DSP_BSY_B
R1
0
8
10K
R142
0R
R137
0R
R110
10K
R111
10K
SGND
MCU_RST
3V3_MCU
L102
BLM18BD471SN1
CLK_Debug
DATA_Debug
1
2
3
4
5
CON100
B 5B-ZR
R183
0
R184
0R
1
D
I
_
T
C
U
D
O
R
P
0
D
I
_
T
C
U
D
O
R
P
T
E
D
_
R
E
W
O
P
3V3_MCU
3V3_MCU
3V3_MCU
DDV+3.3V
+24V
C112
10UF
C110
10NF
MCU_FLASH_CLK
MCU_FLASH_MOSI
MCU_FLASH_CS
MCU_FLASH_MISO
42528_I2C_SDA
AMP_MUTE
EEP_SDA
POWER_DET
42528_I2C_SCL
SURROUND_LED
EEP_SCL
RESET_BT
EEP_SCL
EEP_SDA
DDV+3.3V
3V3_MCU
3V3_MCU
3V3_MCU
3V3_MCU
3V3_MCU
3V3_MCU
C136
1UF
C135
100NF
C137
100NF
3V3_MCU
DSP_RESET
UART_RX_BT
U2TX
CODEC_DAI_SCLK
MCU_DAO
MCU_RST
CODEC_DAI_LRCK
MCU_FLASH_CS
MCU_FLASH_MOSI
MCU_FLASH_MISO
LED_VOL-
LED_HDMI
LED_BT
LED_OPTICAL
3V3_MCU
3V3_MCU
KEY_POWER
LED_AUX
KEY_ADC
UART_TX_BT
STEREO_LED
DATA_DEBUG
F_3.3V
CLK_DEBUG
DSP_SPI_MOSI
IR_IN
UART_TX_BT
3V3_MCU
IR_IN
U2RX
DDV+3.3V
R132
10K
3V3_MCU
TX_MUTE
AUX_IN_DET_B
DSP_CS
DSP_BSY
DSP_INT
STANDBY
MCU_I2S_CTRL
42528_INT
SPDIF_DET_B
PRODUCT_ID0
PRODUCT_ID1
MCU_FLASH_CLK
42528_I2C_SDA
42528_I2C_SCL
3V3_MCU
EQ_SWITCH
LED_POWER_OFF
LED_POWER_ON
LED_VOL+
DDV+3.3V
3V3_MCU
C111
100NF
R177
0
3V3_MCU
CLK_Debug
DATA_Debug
3V3_MCU
MCU_RST
USB_D+
USB_D-
R330
160
DSP_SPI_CLK
R126
33
DSP_MISO
R1
1K
2015-05-18
C11
47PF
C10
47PF
2015-05-18
C15
47PF
C9
47PF
2015-05-18
42528_RST
R2
150K
2015-05-29
2015-06-15
2015-06-15
OPTIC_ST-BY_A
2015-06-23
R316
0
OPTIC_ST-BY
2015-06-23
R166
100K
SCHEMATIC DIAGRAM - KEY & LED
SURROUND_LED
C400
100NF
C401
100NF
STEREO_LED
LED_POWER_ON
LED_POWER_OFF
KEY_POWER
KEY_ADC
R409
33
R408
33
R407
33
R406
33
R428
4.7K
R430
4.7K
R425
10K
R435
1K
R433
1K
R423
4.7k
+5V_STB
+5V_STB
LED_POWER_OFF
LED_POWER_ON
SURROUND_LED
STEREO_LED
R448
4.7K
R450
1K
R446
4.7K
LED_BT
+5V_STB
KEY_POWER
+3.3V_STB
1
2
SW403
SURROUND
1
2
SW404
VOL+
1
2
SW405
POWER
POWER
VOL+
SURROUND
R419
10.0K
1%
R421
4.7K
1%
R420
7.5K
1%
KEY_ADC
+3.3V_STB
1
2
SW400
BT
1
2
SW401
VOL-
1
2
SW402
SOURCE
SOURCE
VOL-
R400
10.0K
1%
R402
0R
1%
R401
7.5K
1%
R429
4.7K
R431
22K
R426
4.7K
R436
1K
R
4
34
1K
R424
4.7K
+5V_STB
+5V_STB
LED_AUX
LED_OPTICAL
R449
4.7K
R451
1K
R447
4.7K
LED_VOL+
+5V_STB
R441
4.7K
R445
1K
R439
4.7K
LED_VOL-
+5V_STB
R427
4.7K
R432
1K
R422
4.7K
LED_HDMI
+5V_STB
R440
22K
R442
22K
R438
4.7K
R444
1K
R443
1K
R437
4.7K
+5V_STB
+5V_STB
R413
33
R412
33
R411
33
R410
33
R414
33
+5V_STB
+3.3V_STB
LED_BT
LED_AUX
LED_OPTICAL
LED_HDMI
LED_VOL+
LED_VOL-
2
3
1
Q403
S8550
2
3
1
Q401
S8550
1
3
2
Q406
S8050
1
3
2
Q405
S8050
2
3
1
Q408
S8550
2
3
1
Q409
S8550
2
3
1
Q400
S8550
2
3
1
Q407
S8550
1
3
2
Q404
S8050
2
3
1
Q402
S8550
C409
100PF
C410
100PF
C407
100PF
C408
100PF
C406
100PF
C405
100PF
C404
100PF
C403
100PF
C402
100PF
C411
100PF
C412
100PF
C413
100PF
R405
33
R404
33
R403
33
D404
BLUE
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
21
21
22
22
CON400
FFC,20PIN,0.5MM
R417
0
R416
0
R415
0
R418
0
U2RX
U2TX
BT_DP1
BT_DN1
+3.3V_STB
U2RX
U2TX
1
2
3
J400
03P-SJN
BT_DP1
BT_DN1
1
2
3
4
J401
04P-SJN
C414
100PF
C415
100PF
C416
100PF
C417
100PF
+5V
+3V
POW
P_N
VOL+
VOL-
HDMI
BT
OPTICAL
K_P
AUX
ADC
SUR
STER
U2RX
U2TX
B_P
BT_DN
G
D400B
WHITE
D400A
ORANGE
D402B
ORANGE
D402A
White
D403
WHITE
D405
WHITE
D401C
ORANGE
D401B
Green
D401A
NC
RV410
RV411
C418
100PF
C419
100PF
2014-02-18
2014-02-18
2015-05-08
2014-02-18
2014-02-19
2014-02-19
2014-03-17
2014-03-17
R452
4.7K
1%
2015-05-08
2015-05-08
SCHEMATIC DIAGRAM - EQ & IR
C813
100NF
C810
100NF
R836
5.1K
LIN
K
_
LED
+5V_STB
D811
LED
SHIED
0
2
1
3
CON812
SS-12F41
R829
1K
R828
100
+3.3V_STB
C821
100NF
1
3
2
4
SW810
=Value
Pair SW
RV810
R818 33
R819 33
R820 33
C817
100NF
C818
100NF
C819
100NF
C834
100NF
RV812
C833
100NF
RV811
LINK_LED
EQ_SWITCH
PAIR SW
USB_D-
USB_D+
+3.3V_STB
+5V_STB
EQ_SWITCH
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
CON810
CON_11POL_1.0mm
GND_D
C835
100NF
PAIR_A
LINK
EQ
MCU_D-
MCU_D+
+5V_STB
+3.3V_STB
R800
100
R801
2.2K
C802
100NF
C803
10UF
C804
47PF
+3.3V_STB
IR_IN
OUT
1
GND
2
VCC
3
IR801
HRM138aB710FC_3P
IR_IN
+5V
MCU_D+
MCU_D-
EQ
LINK
+3.3V
PAIR
CTRL
GND
GND
GND
IR_IN
C815
100NF
C814
10NF
2
1
3
6
5
4
U811
RClamp0542T
L811
MPZ2012S331A
L810
MPZ2012S331A
R821
0
R822
0
SHELL
5
USB GND
4
USB D+
3
USB D-
2
USB PWR
1
SHELL
6
J810
USB_A
L812
MPZ2012S331A
+
C816
47UF
16V
USB POWER
GND_C
USB_D+
USB_D-
+5V_STB
NM
2014-02-15
R830
10K
2014-02-15
2014-02-15
R825
10K
+3.3V_STB
2014-02-18
2014-03-17
SCHEMATIC DIAGRAM - DSP PART
1A
1
GND
2
2A
3
2Y
4
VCC
5
1Y
6
U250
74LVC2G04GW
1
3
4
2
Y250
12.288MHZ
R258
1M
C268
20PF
C271
20PF
R257
1K
R259
33R
C261
4.7UF
C262
1000PF
L250
BLM18BD471SN1
C272
22PF
Y1
1
GND
2
Y0
3
Z
4
VCC
5
S
6
U252
74LVCG3157GV
R279
0
C277
100NF
L252
1K @ 100MHz
R280 NM
C283
100NF
R277
10K
R276 100
R278
0
R275
0
VL
5
CLOCK
1
VPLL
2
GND
3
VD
4
CLK/SCL
6
CS
7
MISO/SDA
8
MOSI
9
BUSY/HS0
10
INT/HS1
11
DBCK
13
VL
14
GND
15
DBDA
17
MCLK
18
DAO_D1
19
DAO_LRCLK
20
DAO_SCLK
21
DAI_D1
22
DAI_LRCLK
23
DAI_SCLK
24
RESET
12
VD
16
U251
CS48L11_QFN24
R267
4.7K
R268
4.7K
R270
4.7K
R272
4.7K
R273
4.7K
R315
100
C281
100NF
C282
100NF
C279
2.2uF
C280
100NF
R274
4.7K
C278
100NF
C275
100NF
C276
100NF
C273
2.2uF
C274
100NF
R265
4.7K
R260
33
R261
33
R262
33
R263
33
R264
33
R266
33
R269
4.7K
R271
4.7K
C266
10PF
C265
10PF
C269
10PF
C264
10PF
C263
10PF
C270
10PF
VQ
17
FILT+
18
REF
G
ND
19
AOUTB4
-
20
AOUTB4
+
21
AOUTA4
+
22
AOUTA4
-
23
VA
24
AGND
25
AOUTB3
-
26
AOUTB3
+
27
AOUTA3
+
28
AOUTA3
-
29
AOUTB2
-
30
AOUTB2
+
31
AOUTA2
+
32
AOUTA2-
33
AOUTB1-
34
AOUTB1+
35
AOUTA1+
36
AOUTA1-
37
MUTEC
38
LPFLT
39
AGND
40
VARX
41
RXP7/GPO7
42
RXP6/GPO6
43
RXP5/GPO5
44
RXP4/GPO4
45
RXP3/GPO3
46
RXP2/GPO2
47
RXP1/GPO1
48
CX_SDIN1
1
CX_SCLK
2
CX_LRCK
3
VD
4
DGND
5
VLC
6
SCL/CCLK
7
SDA/CDOUT
8
AD1/CDIN
9
AD0/CS
10
INT
11
RST
12
AINR-
13
AINR+
14
AINL-
15
AINL+
16
RXP
0
49
TX
P
50
CX_
S
DIN2
64
VD
51
CX_
S
DIN3
63
DGND
52
CX_
S
DIN4
62
VL
S
53
SA
I_SC
LK
61
SA
I_
SD
O
U
T
54
SAI_
LRCK
60
RMCK
55
OMCK
59
CX_
S
DOUT
56
ADCIN1
58
ADCIN2
57
U253
CS42528-CQZ
R296
10K
R298
10K
R294 10K
R293 10K
R297 10K
R295
10K
R301
100
R299
100
L257
BLM18BD471SN1
C305
1UF
C301
1uF
C299
22UF
C300
100NF
L256
BLM18BD471SN1
C295
NM
C293
NM
C294
NM
C298
22PF
C297
NM
C284
47PF
C287
47PF
C285
47PF
R
2
86
1K
R2
8
5
1K
C292
10NF
C288
1UF
L254
BLM18BD471SN1
C291
1UF
C289
22UF
C290
100NF
L255
BLM18BD471SN1
C303 10NF
C304
100NF
C306
100NF
C307 10NF
C308 10NF
C309 10NF
C302 10NF
C310
22UF
C312
100NF
C311
1UF
L258
BLM18BD471SN1
C313
1000PF
R300
1.37K
R302
33
R303
0
R304
0
C314
100NF
C321
100pF
C320
10UF
+
C323
100UF
C322
1UF
R307
0
R308
0
C325
1UF
C326
10UF
C324
100NF
L259
BLM18BD471SN1
C327
22UF
C328
100NF
L260
UPZ2012E331-2R5TF
C315
22NF
L253
BLM18BD471SN1
L251
BLM18BD471SN1
AOUT_SW_(W_L+)
AOUT_SW_(W_L-)
AOUT_R+(W_R+)
AOUT_R-(W_R-)
CODEC_MUTE
+5V_CODEC
HDMI_SPDIF
SPDIF_BT
OPTICAL_IN
DCV+3.3V
DCV+3.3V
CODEC_DAI_D1
CODEC_DAI_LRCK
CODEC_DAI_SCLK
DSP_CLK
DSP_DAO_D3
DSP_DAO_D1
DCV+3.3V
DCV+3.3V
42528_INT
42528_RST
ADC_AINR-
ADC_AINR+
ADC_AINL+
ADC_AINL-
+5V_CODEC
+5V
+5V_CODEC
DSP_CLK
DSP_SPI_CLK
DSP_CS
DSP_MISO
DSP_SPI_MOSI
DSP_INT
DSP_BSY
D
SP_RESET
CODEC_DAI_SCLK
CODEC_DAI_LRCK
SW_DAI_DI
DSP_DAO_D1
DSP_DAO_D2
DSP_DAO_D3
CODEC_RMCK
DSP_CLK
MCU_I2S_CTRL
SW_DAI_DI
DCV+3.3V
CODEC_DAI_D1
MCU_DAO
DDV+3.3V
DV+1.2V
DDV+3.3V
DSP_CLK-
X10
_--48IL11_PIN1
DSP_SPI_CLK_--48IL11_PIN6
DSP_SPI_MISO--48IL11_PIN8
DSP_SPI_MOSI--48IL11_PIN9
DSP_DAO_D1&D2&D3_--48IL11_PIN19&20&21
CODEC_DAI_LRCLK--48IL11_PIN23
CODEC_DAI_SCLK_--48IL11_PIN24
42528_I2C_SDA
42528_I2C_SCL
DSP_CLK
ICT_TEST
D_MISO
DSP_SPI_MOSI
BSY
INT
DSP_RESET
DSP_SPI_CLK
DSP_CS
DSP_MISO
DSP_SPI_MOSI
DSP_INT
DSP_BSY
DSP_RESET
ICT-TEST
R281
0R
R283
0R
R309
10R
R310
0
R292
33
R305
0
L261
BLM18BD471SN1
DDV+3.3V
C286
2.2uF
L262
BLM18BD471SN1
DV+1.2V
C2
22PF
C1
22PF
2015-05-18
C4
22PF
C3
22PF
2015-05-18
C6
22PF
C5
22PF
C8
22PF
C7
22PF
2015-05-18
2015-06-02
2015-06-02
2015-07-28
2015-07-10
2015-07-28
2015-07-28
2015-07-28
2015-07-28
2015-07-28
2015-07-28
2015-07-30
2015-07-30
2015-07-30
2015-07-30
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