JBL AUTHENTICS L8 (serv.man6) Service Manual ▷ View online
JBL Authentic L8 Block Diagram
Phono
DSP
ADSP-21489
5Mb RAM
400MHz
LQFP-176
Class D
TPA3116
Qi Wireless
charging
TI(WPC1.1)
Woofer
30Wx2 4
Ω
Tweeter
30Wx2 4
Ω
19V/
4A
4A
SPDIF
SPDIF
SPDIF
SPDIF
BM153
16M Flash
MCU UART
MCU UART
I2Sx1
I2Sx1
MCU SPI
MCU SPI
Airplay
CX870-3IB
3V3
321mA
1V9
335mA
1V2
450mA
SDRAM
32MB/NM
Series Flash
4Mb
Codec
CS42528
Class D
TPA3116
5V/
160mA
3V3/
51mA
VA
VL/VD
AI
Single to
differential
DAI
DAI
MCLK
3V3/300mA
3V3/30mA
Tx
DAI
1
MCU
PIC32MX460F512L
2 Button, 5 source LED,2Power
LED(Amber/White)
Rotary encoder volume
switch(V+/-)+ W /LED
(10pcs)
TI(WPC1.1)
SMPS
AC In
5V 2.4A
3V3/500mA
1V1/838mA
APPLE
CP 2.0C
I2C
I2C
APPLE
CP 2.0C
I2C
I2C
NFC
SPI
19V/4A
19V/4A
RT9703
TPS2546
D+
D-
D+
D-
DSP_1V1
DSP_1V1
ADC_5V
ADC_5V
TPS54286
Air_3V3
Air_3V3
Air_1V2
Air_1V2
TPS
54331
TPS
54331
3V3
3V3
+7V (6A)
+7V (6A)
MPS
62080
MPS
62080
LM1117
TPS
54428
TPS
54428
5V_ON
Audio Det
Audio Det
GPIO
Series Flash
4Mb
5V 1.0A
Air_1V9
Air_1V9
LM1117
SW
SW
STB
3V3_ON
BCO_PW_ON
3V3_DSP/Code
c
3V3_DSP/Code
c
SW
5V_ON
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
Title
Number
Revision
Size
A3
Date:
12/13/2013
Sheet of
File:
E:\LH file\..\Authentic_Main_Board_Sheet01_Coverpage.SchDoc
Drawn By:
Authentic MAIN BOARD SCHEMATIC
Page 01_ CONVER PAGE
Page 02_ MCU
Page 03_ Airplay, BT, NFC
Page 04_ Codec, DSP interface
Page 05_ Analog Audio in
Page 06_ Key/LED Interface
Page 07_ Power
Page 08_ USB port related
Page 09_ AMP_Part1
Page 10_ AMP_Part2
Page 11_ History
Authentic Main Board
Cover page
Cover page
I
11
1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
Title
Number
Revision
Size
A3
Date:
12/13/2013
Sheet of
File:
E:\LH file\..\Authentic_Main_Board_Sheet02_MCU.SchDoc
Drawn By:
RG15
1
VDD
2
PMD5/RE5
3
PMD6/RE6
4
PMD7/RE7
5
T2CK/RC1
6
T3CK/RC2
7
T4CK/RC3
8
T5CK/SDI1/RC4
9
SCK2/PMA5/CN8/RG6
10
SDI2/PMA4/CN9/RG7
11
SDO2/PMA3/CN10/RG8
12
MCLR
13
SS2/PMA2/CN11/RG9
14
VSS
15
VDD
16
TMS/RA0
17
INT1/RE8
18
INT2/RE9
19
AN5/C1IN+/VBUSON/CN7/RB5
20
AN4/C1IN-/CN6/RB4
21
AN3/C2IN+/CN5/RB3
22
AN2/C2IN-/CN4/RB2
23
PGEC1/AN1/CN3/RB1
24
PGED1/AN0/CN2/RB0
25
PGEC2/AN6/OCFA/RB6
26
PGED2/AN7/RB7
27
VREF-/CVREF-/PMA7/RA9
28
VREF+/CVREF+/PMA6/RA10
29
AVDD
30
AVSS
31
AN8/C1OUT/RB8
32
AN9/C2OUT/RB9
33
AN10/CVREFOUT/PMA13/RB10
34
AN11/PMA12/RB11
35
VSS
36
VDD
37
TCK/RA1
38
U2RTS/RF13
39
U2CTS/RF12
40
AN12/PMA11/RB12
41
AN13/PMA10/RB13
42
AN14/PMALH/PMA1/RB14
43
AN15/OCFB/PMALL/PMA0/CN12/RB15
44
VSS
45
VDD
46
U1CTS/CN20/RD14
47
U1RTS/CN21/RD15
48
U2RX/PMA9/CN17/RF4
49
U2TX/PMA8/CN18/RF5
50
USBID/RF3
51
U1RX/RF2
52
U1TX/RF8
53
VBUS
54
VUSB
55
D-/RG3
56
D+/RG2
57
SCL2/RA2
58
SDA2/RA3
59
TDI/RA4
60
TDO/RA5
61
VDD
62
OSC1/CLKI/RC12
63
OSC2/CLKO/RC15
64
VSS
65
SCL1/INT3/RA14
66
SDA1/INT4/RA15
67
RTCC/IC1/RD8
68
SS1/IC2/RD9
69
SCK1/IC3/PMCS2/PMA15/RD10
70
IC4/PMCS1/PMA14/RD11
71
SDO1/OC1/INT0/RD0
72
SOSCI/CN1/RC13
73
SOSCO/T1CK/CN0/RC14
74
VSS
75
OC2/RD1
76
OC3/RD2
77
OC4/RD3
78
IC5/PMD12/RD12
79
PMD13/CN19/RD13
80
OC5/PMWR/CN13/RD4
81
PMRD/CN14/RD5
82
PMD14/CN15/RD6
83
PMD15/CN16/RD7
84
VCAP/VCORE
85
ENVREG
86
PMD11/RF0
87
PMD10/RF1
88
PMD9/RG1
89
PMD8/RG0
90
TRCLK/RA6
91
TRD3/RA7
92
PMD0/RE0
93
PMD1/RE1
94
TRD2/RG14
95
TRD1/RG12
96
TRD0/RG13
97
PMD2/RE2
98
PMD3/RE3
99
PMD4/RE4
100
U201
PIC32MX460F256L
GND
1
SDA
2
NC1
3
NC2
4
NC3
5
SCL
6
RST
7
VCC
8
U202
iPod Authentication Coprocessor 2.0C
GND
GND
CP_I2C_SDA
CP_I2C_CLK
3V3_CP
GND
3V3_MCU
R201
0
R202
0
C214
100NF
100NF
C213
10NF
10NF
GND
C215
1UF
1UF
3V3_MCU
GND
C202
100NF
C203
10NF
GND
C201
1UF
3V3_MCU
C228
100NF
C229
10NF
C230
1UF
3V3_MCU
C208
100NF
C209
10NF
C207
1UF
3V3_MCU
L202
1K @ 100MHz
3V3_MCU
GND
R203
10
C216
10UF
C210
1UF
C211
100NF
C212
10NF
C205
100NF
C206
10NF
C204
1UF
3V3_MCU
GND
R204
10K
10K
C217
100n
R205
470
3V3_MCU
GND
GND
R206
100
R207
100
R208
100
R209
100
C220
22PF
C219
22PF
R
21
0
49
9K
C218
100NF
GND
GND
MCU_UART_TX
MCU_UART_RX
MCU_UART_RX
RESET_BT
UART_RX_BT
UART_TX_BT
USB_IPAD_D+
USB_IPAD_D-
USB_IPAD_D-
R211
0
R212
0
NFC_On
BCO_NRESET
SPI_DIN
SPI_DOUT
SPI_CLK
SPI_NCS0
SPI_REQ
SPI_DIN
SPI_DOUT
SPI_CLK
SPI_NCS0
SPI_REQ
42528_RST
42528_INT
42528_INT
42528_RST
42528_RST
42528_I2C_SCL
42528_I2C_SDA
42528_I2C_SDA
42528_I2C_SCL
42528_I2C_SDA
42528_I2C_SDA
MCLK_CTR
DAI_reserve3
DAI_reserve2
DAI_reserve4
MCU_DSPWRACK
DSP_WRITE
MCU_DSP_SPI_CS
DSP_BUSY
MCU_DSP_SPI_CLK
MCU_DSP_SPI_MISO
MCU_DSP_SPI_MOSI
PVI_Reserve2
MCU_nRESET_ADSP
MCU_DSPDOCMD
MCU_DSP_SPI_CS
MCU_DSPWRACK
MCU_nRESET_ADSP
MCU_DSP_SPI_MOSI
MCU_DSP_SPI_MISO
MCU_DSP_SPI_MISO
MCU_DSP_SPI_CLK
MCU_DSPDOCMD
PVI_Reserve1
AUX_IN_DET
SPDIF_IN_DET
ANA_IN_SW
SPDIF_IN_DET
ANA_IN_SW
AUX_IN_DET
ANA_IN_SW
SPDIF_IN_DET
Source_Key
LED_S1
LED_S2
LED_S3
LED_S4
LED_S5
LED_S6
LED_S1
LED_S2
LED_S3
LED_S4
LED_S5
LED_S6
Source_Key
LED_S1
LED_S2
LED_S3
LED_S4
LED_S5
LED_S6
LED_S1
LED_S2
LED_S3
LED_S4
LED_S5
LED_S6
LED_VB1
LED_VB2
LED_VB3
LED_VB4
LED_VB5
LED_VB6
LED_VB7
LED_VB8
LED_VB9
LED_VB10
Power_Key
Power_LED1
Power_LED2
VOL_C1
VOL_C2
LED_VB2
LED_VB3
LED_VB4
LED_VB5
LED_VB6
LED_VB7
LED_VB8
LED_VB9
LED_VB10
Power_Key
Power_LED1
Power_LED2
VOL_C1
VOL_C2
LED_VB10
Power_Key
Power_Key
VOL_C1
VOL_C2
VOL_C2
1
2
L271
BLM18BD471SN1
C
27
1
1
10
N
N
F
C
27
0
0
10
U
U
F
GND
GND
MCU_FLASH_CS
MCU_FLASH_MISO
MCU_FLASH_MISO
MCU_FLASH_MOSI
MCU_FLASH_CLK
3V3_Flash
C273
10UF
1
2
L272
BLM18BD471SN1
R285
10K
10K
R286
10K
10K
R213
33
R214
100
R215
33
R216
33
R217
33
R218
33
CP_I2C_SDA
CP_I2C_CLK
CP_I2C_CLK
R238
100
R220
33
R221
33
R222
33
R223
33
R224
2K2
R225
2K2
3V3_CP
R
22
6
6
10
K
K
R
22
7
7
N
M
R
22
8
8
10
K
K
R
22
9
9
10
K
K
R
23
0
0
10
K
K
USB_IPAD_D-
USB_IPAD_D+
USB_PW_ON
2546_Status
2546_ERROR
USB_OC
STY
SMPS_FAIL
MCU_FLASH_MISO
MCU_FLASH_MOSI
MCU_FLASH_CLK
MCU_FLASH_CS
MCU_FLASH_CS
R231
33
R232
100
R233
33
R234
100
R235
100
R
23
6
6
10
K
K
R
23
7
7
10
K
K
R239
100
R240
100
MCLK_CTR
R241
100
DSP_WRITE
DSP_BUSY
DSP_BUSY
R242
100
R243
100
R244
100
DSP_BD_V_DET
R284
100
R283
100
R247
100
PVI_Reserve1
PVI_Reserve2
PVI_Reserve2
R248
100
TP201
R245
100
R246
100
R281
100
R282
33
R249
33
R250
33
R251
33
R252
100
R254
10K
3V3_MCU_on
C221
100NF
100NF
GND
R253
100
R255
680
680
3V3_MCU_on
GND
AMP_TEMP
AMP_TEMP
SMPS_TEMP
TP202
TP203
USB_OC
2546_ERROR
2546_STATUS
2546_ERROR
2546_STATUS
USB_PW_ON
R256
33
R257
100
R258
100
R259
100
R260
100
R261
100
R262
100
R269
NM
R264
33
R265
33
Power_LED1
Power_LED2
Power_LED2
TP204
TP205
R270
100
3V3_CP
3V3_MCU
3V3_MCU_on
3V3_MCU
3V3_MCU_on
3V3_Flash
R271
0
R272
NM
R273
0
R274
NM
TP206
TP207
TP207
TP208
TP209
TP210
TP211
TP212
TP213
TP214
TP215
TP216
TP217
3V3_MCU
+
C223
100UF
C222
100NF
C224
10NF
GND
3V3_MCU_on
+
C227
100UF
C226
100NF
C225
10NF
GND
VOL_C1
VOL_C2
VOL_C2
Power_LED1
Power_LED2
Power_Key
LED_VB1
LED_VB2
LED_VB3
LED_VB4
LED_VB5
LED_VB6
LED_VB7
LED_VB8
LED_VB9
LED_VB10
LED_VB1
LED_VB2
LED_VB3
LED_VB4
LED_VB5
LED_VB6
LED_VB7
LED_VB8
LED_VB9
LED_VB2
LED_VB3
LED_VB4
LED_VB5
LED_VB6
LED_VB7
LED_VB8
LED_VB9
( Page 6)
Source_Key
LED_S1
LED_S2
LED_S3
LED_S2
LED_S3
LED_S4
LED_S5
LED_S5
LED_S6
( Page 6)
MCU_DSPWRACK
DSP_WRITE
MCU_DSP_SPI_CS
DSP_BUSY
MCU_DSP_SPI_CLK
PVI_Reserve2
MCU_DSPDOCMD
PVI_Reserve1
MCU_nRESET_ADSP
MCU_DSP_SPI_MISO
MCU_DSP_SPI_MOSI
MCU_DSP_SPI_MOSI
MCLK_CTR
( Page 4)
( Page 4)
( Page 5)
42528_I2C_SCL
42528_I2C_SDA
TP218
TP219
TP219
42528_RST
42528_INT
AUX_IN_DET
SPDIF_IN_DET
ANA_IN_SW
RESET_BT
BCO_NRESET
SPI_DOUT
SPI_CLK
SPI_NCS0
SPI_CLK
SPI_NCS0
SPI_DIN
SPI_REQ
NFC_On
SPI_DOUT
SPI_CLK
SPI_NCS0
SPI_DIN
SPI_REQ
BCO_NRESET
NFC_On
RESET_BT
R275
100
( Page 3)
STY
SMPS_TEMP
SMPS_FAIL
SMPS_TEMP
SMPS_FAIL
STY
SMPS_TEMP
SMPS_FAIL
R278
100
USB_IPAD_D+
USB_IPAD_D-
USB_IPAD_D-
USB_PW_ON
2546_Status
2546_ERROR
USB_OC
( Page 8)
BCO_PW_ON
SYS_ON
5V_ON
3V3_ON
SYS_ON
5V_ON
3V3_ON
BCO_PW_ON
SYS_On
5V_ON
3V3_ON
SYS_On
5V_ON
3V3_ON
BCO_PW_ON
5V_ON
3V3_ON
R279
100
( Page 9)
AMP_Mute
AMP_SDZ
AMP_SDZ
AMP_Mute
AMP_Mute
R280
100
DAI_reserve2
DAI_reserve3
DAI_reserve4
DAI_reserve3
DAI_reserve4
MCU_UART_TX
MCU_UART_RX
3V3_MCU
C231
1UF
1UF
C232
100NF
100NF
GND
C233
100NF
100NF
TP220
TP223
TP224
R287
0
R288
NM
3V3_MCU_on
Authentic Main Board
MCU part
MCU part
11
2
I
R289
0
R290
NM
3V3_MCU
3V3_MCU_on
3V3_MCU_on
R
29
1
1
10
K
K
GND
DSP_BD_V_DET
DSP_BD_V_DET
RP701
RP Close to Heatsink
RP Close to Heatsink
PHONO_IN_DET
PHONO_IN_DET
PHONO_IN_DET
R292
100
Y201
4.000MHz
4.000MHz
C234
1UF
R266
10K
10K
R267
10K
10K
GND
3V3_MCU
(100mA)
(30mA)
(7.5mA)
1
2
3
4
2
3
4
J201
S 4B-PH-SM3-TB
Change to PH type
Change to PH type
Remove J202
L-- EU version
H-- US version
H-- US version
1
2
3
4
5
6
CON201
2.54mm
MCU_RST
MCU_RST
3V3_MCU
GND
DATA_Debug
CLK_Debug
DATA_Debug
CLK_Debug
CLK_Debug
Add for SW upgrade
VOUT
1
V
S
S
2
VDD
3
U204
MCP111T-290E-TT/NM
MCP111T-290E-TT/NM
C235
100NF/NM
GND
Add U204 and
C235 for option.
(only layout, no
mounting)
C235 for option.
(only layout, no
mounting)
R219
100
R263
100
C
23
6
6
10
0N
F
0N
F
C
23
7
7
10
0N
F
0N
F
C
23
8
8
10
0N
F
0N
F
C
23
9
9
10
0N
F
0N
F
C
24
0
0
10
0N
F
0N
F
C
24
1
1
10
0N
F
0N
F
C
24
2
2
10
0N
F
0N
F
C
24
3
3
10
0N
F
0N
F
C
24
4
4
10
0N
F
0N
F
C
24
5
5
10
0N
F
0N
F
C
24
6
6
10
0N
F
0N
F
C
24
7
7
10
0N
F
0N
F
C
24
8
8
10
0N
F
0N
F
C
24
9
9
10
0N
F
0N
F
GND
R268
100
C
25
0
0
10
0N
F
0N
F
C
25
1
1
10
0N
F
0N
F
C
25
2
2
10
0N
F
0N
F
GND
C
25
3
3
10
0N
F
0N
F
C
25
4
4
10
0N
F
0N
F
C
25
5
5
10
0N
F
0N
F
GND
INPUT_SG_Error
INPUT_SG_Error
INPUT_SG_Error
C256
100NF
GND
Change SW201
from TC-1101
to SW DIP4
from TC-1101
to SW DIP4
3V3_MCU
3V3_MCU
R293
33
R294
33
PHONO_SOURCE
PHONO_SELECT1
PHONO_SELECT2
PHONO_SELECT1
PHONO_SELECT2
Phono_source
Phono_select1
Phono_select2
Phono_select1
Phono_select2
PHONO_SELECT1
4
3
2
1
SW201
TS-1321B
GND
AD1
AD1
PHONO_SOURCE
PHONO_SELECT2
R295
100
R296
100
R297
100
SST25VF040B-80-4I-SAE
CE#
1
SO
2
WP#
3
Vss
4
SI
5
SCK
6
HOLD#
7
VDD
8
U203
PHONO_SELECT3
Phono_select3
PHONO_SELECT3
C272
100NF
TP228
Seletct3
MC
Seletct1
Seletct2
MM
Line In
Seletct
Phono
Mode
Line In
MM mode
MC mode
H
H
H
L
L
L
L
L
L
3.3V
1.65V
0V
R206,R253,R268,R295,R296,R297 only for L16
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