Sony SRS-X7 Service Manual page 63

2-5. SCHEMATIC DIAGRAM - MAIN Board (3/4) -
1 2 3
MAIN BOARD (3/4)
A
R301
0
B
C301 C303 R302
100 22 100k
25V
C
D
C302 R346
22 100k
E
F
G
BCO-3.3V-ON
BCO-1.2V-ON
BCO-SPI-DIN
BCO-SPI-DOUT
3
BCO-SPI-CLK
BCO-RESET
MAIN
BCO-SPI-CS
BOARD
VDD-5V
(2/4)
H
(Page 6)
BCO-5V-ON
WAKEON-LAN
BCO-SPI-RDY
BCO-MUTE
BCO-SPI-REQ
I
J
K
SRS-X7
4 5 6
IC301
DC/DC CONVERTER
IC301
TPS54331GDR C310
0.1
9.4 1 8 3.3
BOOT PH
18 2 7
VIN GND
3.3 3 6 0.6
EN COMP
R305 1.7 4 5 0.7
1k SS VSENSE
C313
0.0022
C305 C311 R307 R309
0.1 150p 15k 4.7k
IC304
DC/DC CONVERTER
IC304
TPS54331GDR C339
0.1
6.6 1 8 2.5
BOOT PH
18 2 7
VIN GND
3.3 3 6 0.6
EN COMP
R341 1.7 4 5 0.7
1k SS VSENSE
C341
0.0022
C338 C340 R342 R343
0.1 150p 15k 4.7k
IC303
+1.2V REGULATOR
IC303
S-13A1A12-E6T1U3
1.1 1 6
VOUT VIN
2 5
R304
VSS_2 VSS_5
1k
3.3 3 4
ON/OFF SSC
C304 C307 C308
0.1 47 0.1
7 8 9 10
L301
22uH
R313
FB302
10k
C326
0.047
R311 C316 C320 C323 R317 C327 C331 C333 C334 C336
10k 47 0.1 100 10 0.1 1 0.1 15p 68p
16V
FB301
C324
0.047
L305
10uH
R315 C325 C328 C329 C330 C332
10 0.1 1 0.1 15p 68p
R345 R339
10k
0
C342 C343 C322
47 0.1 100
16V
2.5
2
C335
100p
C315 C318 C321
100p 0.1 22
R318
0
Q301
RZM001P02T2L
B+ SWITCH
S
R336
470k
Q302
LTC014YEBFS8TL
POWER CONTROL
7 7
11 12 13
(ANTENNA)
WIFI1
WiFi
MODULE
CN301
120P
1 GND GND 61
2 GND GND 62
R326
3 3V3 AOUT L+ 63
0
4 3V3 PDOUT1/BCO_SPI_REQ 64
5 3V3 AOUT L– 65
6 3V3 VCO1 66
R327
7 GND GND 67
0
8 GND PDOUT0 68
9 1V2 A23/BCO_XAMP_AMUTE 69
R328
R329
10 1V2 VCO0 70 0
0
11 1V2 A22 71
12 1V2 AV3CLK 72
13 GND AV3CTRL1/I2C_SDA 73
14 GND AV0CTRL0 74
15 1V9 AV3CTRL0/I2C_SDL 75
16 1V9 AV1DATA3 76
17 GND AV0CTRL2 77
18 GND AV1DATA2 78
19 3V3 RTC AV0CTRL1 79
FB303
20 GND AV1DATA1 80
21 GND AV0CLK 81
22 TMS(JTAG) AV1DATA0 82
23 GND AVDATA3 83
R321
24 TCK(JTAG) GND 84
0
25 SPI_OUT AV0DATA2 85
R322
26 TDI(JTAG) AV2CTRL1ADA_MCK 86
0
27 SPI_DIN AV0DATA1 87
R323
28 TDO(JTAG) GND 88
0
R330
29 SPI_CLK AV0DATA0 89
0
30 SPI_NCS0 AV2CLK/ADA_BCK 90
R324
0 31 TXD0 GND 91
R331
32 SPI_NCS1 GND 92
0
33 RXD0 AV2CTR/ADA_LRCK 93
34 NRESET_MOD AV4DATA1 94
35 RXD1(UART) AV2DATA3 95
R319
0 36 SSMD6 AV4DATA0 96
37 TXD1(UART) AV2DATA2 97
R320
0 38 SSMD4 GND 98
39 GND AV2DATA1 99
R332
40 SSMD2 ETH-LED_ACT 100
0
41 SSMD7 AV2DATA0 101
42 SSMD1 ETH_LED_SPEED 102
T301
43 SSMD5/MFI_RESET GND 103
PULSE
44 SSMCMD MIICRS 104
TRANSFORMER
45 SSMD3 ETH RX- 105
2 4
46 SSMWP MIICOL 106
6 3
47 SSMD0 ETH RX+ 107
1 5
48 NCS3 MIITXER 108
49 SSMLCK ETH CT 109 T302
PULSE
50 NCS2 MIITXCLK 110 TRANSFORMER
51 SSMCP ETH TX– 111
2 4
52 GND MIITXD0 112
6 3
53 GND ETH TX+ 113
1 5
54 USBVBUS MIITXD1 114
55 USB D– GND 115
R334
56 GND MIIRSD0 116
10k
57 USB D+ NWAIT(xECO-STANDBY) 117
58 AOUT R– MIIRXD1 118
R325
0 R335
59 USBVBUSDRV NPD_RF 119 FB304
10
60 AOUT R+ GND 120
C337
0.022
Note: CN301 on the MAIN board cannot exchange with single. When
SRS-X7
14 15 16 17
L303
CN302
6P
6 ETH_RX–
R337
75
5 ETH_RX+
4 ETH_CT
JACK
BOARD
3 ETH_CT
Refer to page
R338
36 on original
75 2 ETH_TX–
service manual
1 ETH_TX+
L304
BCO-AUDIO-BCLK3
BCO-AUDIO-LRCK3
BCO-AUDIO-DIN3
2
BCO_TXD
BCO_RXD
MAIN
GND
BOARD
BCO_USB_D+
(1/4)
(Page 5)
BCO_USB_D–
BCO_DDC_3.3V_VOUT
18V
this part is damaged, exchange the complete mounted board.