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SRS-X7
4-5.
SCHEMATIC DIAGRAM - MAIN Section (1/4) -
1
2
3
4
MAIN BOARD (1/4)
A
1
2
3
4
5
6
7
B
8
9
10
11
12
13
14
(Page 35)
1
15
C
16
MAIN
BOARD
17
(2/4)
18
19
20
21
22
23
D
24
25
26
27
28
29
30
31
E
R511
33
F
GND
(Page 36)
18V
JC410
BCO-AUDIO-DIN3
0
G
2
BCO-AUDIO-BCLK3
BCO-AUDIO-LRCK3
FB404
MAIN
BCO_USB_D+
BOARD
(3/4)
BCO_USB_D–
BCO_TXD
BCO_RXD
BCO_DDC_3.3V_VOUT
H
CN404
2P
CHARGE
VDD
1
BOARD
(1/3)
GND
2
CN402
C442
10P
56p
CL404
I
AUIN-RCH
10
CL403
R468
A-GND
9
10k
CL402
AUIN-LCH
8
CL401
FFC1
DEMO
7
R465
JACK
VDD
6
10k
BOARD
(1/2)
RXD
5
TXD
4
C421
10
MCLR/VPP
3
J
PGD
2
PGC
1
R476
10k
K
R477
10k
L
C435
C490
C440
100
0.1
56p
16V
M
SRS-X7
• See page 38 for waveforms. • See page 38 for IC Block Diagrams.
5
6
7
8
R499
1k
3.3
1
0
2
0
3
0
4
1.6
5
0
6
0
7
8
IC406
IC B/D
A/D CONVERTER
IC406
PCM1808PWR
1.6
1.6
BCK
LRCK
1.2
8
7
1.6
DOUT
SCKI
9
6
MD0
DGND
10
5
3.3
MD1
VDD
11
4
4.9
FMT
VCC
2.4
12
3
VINL
AGND
2.4
13
2
2.4
VINR
VREF
4
14
1
3.3
5
C436
C472
10
C432
C433
0.1
10
100p
16V
R502
10k
R491
C424
10k
10
R564
4
0
3.3
5
IC404
LINE AMP
C470
IC404
1
NJM4580V(TE2)
C469
0.1
C466
56p
C458
10
4
R565
0
4.9
5
C437
R498
C431
C471
C457
10
10k
100p
1
16V
56p
C430
C464
10
R504
R520
0.1
4.7k
47
R505
R488
R509
C443
C489
C447
15k
10k
10k
10
0.1
100
16V
9
10
11
12
13
R577
470k
3.3
FB402
3.3
R578
Q406
47k
DRA9144EOL
0
Q401, 406
RESET SWITCH
Q402 - 405
AC/DC DETECT
C487
0.01
0
IC405
0
INPUT SELECT SWITCH
3.2
IC405
Q401
Q403
TC7MBL3257CFK (TBEL
LTC014YEBFS8TL
LTC014YEBFS8TL
16
3.3
VCC
S
15
OE
14
C454
13
0.1
12
11
1.6
10
0
BT-AUDIO-LRCK3
9
0
GND
BT-AUDIO-BCLK3
BT-AUDIO-DIN3
IC410
IC B/D
+3.3V REGULATOR
IC410
MM3411A33NRE
R569
100k
3.2
NC
CE
3
GND
2
5
VOUT
VDD
1
C481
0.1
IC407
IC B/D
1
+3.3V REGULATOR
IC407
L401
MM3411A33NRE
4.7uH
3.2
NC
CE
3
GND
2
5
VOUT
VDD
1
C477
C474
C476
1
22
22
IC408
IC B/D
+5V REGULATOR
IC408
MM3411A50NRE
3.2
NC
CE
3
GND
2
5
2
VOUT
VDD
1
C478
1
L402
10uH
C475
22
34
34
14
15
16
17
R566
100k
3.3
3.3
3.1
2.7
Q402
Q405
LSAR523UBFS8TL
LSAR523UBFS8TL
0
3.2
R576
0
R580
47k
D401
DAP222-TL
4.9
4.9
C488
0.01
0
Q404
R581
LTC014YEBFS8TL
R579
100k
100k
NFC-SPICLK
NFC-DATA
NFC-SEL
NFC-IRQ
IC409
IC B/D
NFC-SW
RESET SIGNAL GENERATOR
NFC-RF-DET
IC409
BU4229F-TR
C480
0.1
1
4
3.2
GND
VOUT
3.3
2
3
1.5
VDD
CT
C473
C479
0.1
0.0047
3.3
Q408
3.2
DRA9144EOL
RESET SWITCH
3.2
3.2
3.3
Q409
DRA9144EOL
POWER KEY
DETECT SWITCH
3.2
R567
R568
100k
10k
0.8
AGND
FB
6
5
R570
PG
NC
0
7
4
3.2
18
SLEEP
EN
1.1
8
3
18
SW
VIN
9
2
1.1
R572
VOS
PGND
0
10
1
IC411
R574
IC B/D
220k
DC/DC CONVERTER
IC411
C482
R575
TPS62175DQCR
1
0
R587
100k
VBUS-OE
USB_CHG_CTL
VBUS-OVR-DET
IC412
IC B/D
BATT-TH
DC/DC CONVERTER
BATT-V-SEN
IC412
TPS62177DQCR
BATT-V-CHECK-ON
BATT-CHG-STATE2
AGND
FB
6
5
R571
PG
NC
0
7
4
3.2
18
BATT-CHG-STATE1
SLEEP
EN
3.3
8
3
18
BATT-CHG-ON
SW
VIN
3.3
9
2
R573
VOS
PGND
0
10
1
AD-KEY0
C483
C484
WIFI-SW
1
100
25V
Note: When the CHARGE, JACK, KEY and TOUCH boards are
defective, exchange the complete mounted board.
18
19
20
21
CN405
14P
JL410
1
GND
BT-RESET
JL411
2
RESET_N
JL412
3
3.3V
JL413
BT-RTS
4
UART_CTS
BT-CTS
JL414
5
UART_RTS
JL415
BT-TXD
FFC6
6
UART_RX
MD-CLK_BT-RXD
JL416
BT1
7
UART_TX
IC B/D
JL417
Bluetooth
BT-MUTE
8
MUTE
MODULE
JL418
IC413
9
GND
JL419
10
GND
JL420
+3.3V REGULATOR
BT-AUDIO-LRCK3
11
PCM_SYNC
IC413
JL421
BT-AUDIO-BCLK3
BU33TD3WG-TR
12
PCM_CLK
BT-AUDIO-DIN3
JL422
13
PCM_OUT
JL423
14
GND
C486
22
C485
10
CN407
5P
CL426
5
POWER-KEY
FFC5
4
5V
CL427
LED-POWER-RED
KEY
3
PW-LED-RED
CL428
BOARD
LED-POWER-GREEN
2
PW-LED-GRN
CL429
1
GND
CN408
JC402
8P
0
JL424
1
VDD
JL425
JC403
0
2
SPICLK
JL426
JC404
0
FFC3
3
DATA
JL427
JC405
0
4
SEL
NFC1
JL428
JC406
0
NFC MODULE
(RC-S801)
5
IRQ
JL429
JC407
0
6
SW
R583
100k
JL430
7
RF-DET
JL431
8
GND
JC408
0
CN409
17P
1
PIC-PGD
2
PIC-PGC
CL430
3
TOUCH-IRQ
CL431
LED-CHG-RED
4
LED-CHG
LED-NETWORK
CL432
5
LED-NETWORK
CL433
LED-LINK-GREEN
6
LED-LINK-GRN
CL434
LED-LINK-RED
7
LED-LINK-RED
FFC4
CL435
LED-UPDATE
8
LED-UPDATE
CL436
LED-BT
TOUCH
9
LED-BT
BOARD
LED-AUIN
CL437
10
LED-AUIN
11
GND
CL443
12
TOUCH-VDD
13
LED-5V
CL438
14
TOUCH-RESET
CL439
15
TOUCH-SDA
CL440
16
TOUCH-SCL
CL441
17
PIC-WRITE
CN406
21P
CL405
21
5V
CL406
20
D+
CL407
19
D–
CL408
18
GND
CL409
17
VBUS-OE
CL410
16
USB-CHG-CTL
CL411
15
VBUS-OVER-DET
CL412
14
BATT-ON
CL413
13
BATT-TH
FFC2
CL414
12
DDC-5V-ON
CL415
CHARGE
BOARD
11
BATT-V-SEN
CL416
(2/3)
10
BATT-V-CHECK
CL417
9
CHG-STATE2
CL418
8
AC/DC
CL419
7
CHG-STATE1
CL420
6
BATT-CHG-ON
CL421
5
BCO_VBUS
CL422
4
KEY
CL423
3
RESET
CL424
2
NETWORK-SW
CL425
1
GND
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