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Schematic Diagram - Wlk4 Main Board (1/2) - Sony TA-SA300WR Service Manual

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TA-SA300WR
4-2.

SCHEMATIC DIAGRAM - WLK4 MAIN Board (1/2) -

1
2
3
WLK4 MAIN BOARD (1/2)
A
CN101
30P
JL124
B
LRCK_Z
30
JL123
BCK_Z
29
JL122
SDIO_Z
28
LRCK_Y
27
JL121
BCK_Y
26
JL120
JL119
SDIO_Y
25
GND
24
JL118
RESET
23
JL117
C
I2CCLK
22
JL116
I2CSDA
21
NC
20
PD-OUT_Airoha
19
JL115
JL114
INT
18
JL113
256FS
17
WIRELESS
GND
16
TRANSCEIVER
(EZW-RT50)
GND
15
JL125
D
+3.3V
14
+3.3V
13
GND
12
JL112
SDIO_W
11
BCK_W
10
JL111
LRCK_W
9
JL110
SDIO_X
8
JL109
BCK_X
7
CL124
E
CL123
LRCK_X
6
NC
5
NC
4
JL108
RESERVE
3
CL120
DETECT
2
CL118
RESERVED
1
F
G
H
JL101
CN102
I
9P
CL137
D-GND
1
CL136
TXD1
2
CL135
RTS1
3
CL134
3.3V
4
CL132
(NC)
CLK1
5
CL131
RXD1
6
CL130
J
CNVSS
7
CL129
RESET
8
D-GND
9
TA-SA300WR
• See page 11 for Waveforms. • See page 18 for IC Block Diagrams. • See page 20 for IC Pin Function Description.
4
5
6
R162
0
C116
C200
R160
0.1
470
220
6.3V
LRCK
BCK
R111
R110
4.7k
4.7k
R248
R159
0
330
DATA
R158
100
R154
100
RESN
R153 100
SCL
SDA
R152
100
R149
100
GPI02
256FS
R250
100
CL177
CL100
RESN
C103
0.1
CL178
R103
CL140
1k
JL126
CL103
CL104
CL113
R109
10k
R131
100
DETECT
2.4/5.8_DET
SCL
R129
100
R104
CL176
10k
SDA
Q102
2SC4154TP-1EF
3.3
S100
RESET SWITCH
JL104
0
SECURE
LINK
D101
R115
100k
DA2J10100L
JL100
IC101
IC B/D
VOLTAGE DETECTOR
IC101
PST8435UL
1
GND
OUT
4.2
2
VDD
CD
R121
10k
RB002
100
7
8
9
R113
R119
10k
10k
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
3.3
49 KEY_POWER
3.3
50 S-AIR_RESET
DAMP_S_MUTE
3.3
51 KEY_PAIRING
DAMP_LATCH
CL179
52 SUR_MODE_SW
DAMP_INIT
DAMP_OVF
CL180
53 SHIMUKE
DRIVE_RST(EN)
CL101
54 MODEL
DAMP_SCDT
CL102
55 FAN_ON
NO USE
IC100
56 FAN_DET
DAMP_SHIFT
57 S-AIR_RF_FB
SYSTEM CONTROLLER
NO USE
IC100
CL105
58 NO USE
PAIRING_LED
R5F212BASNFP
59 Vss
LED_RED
CL106
60 NO USE
Vcc1
LED_GREEN
3.3
61 Vref
NO USE
NO USE
3.3
62
S-AIR_CLK
NO USE
CL107
63
NO USE
2
64
NO USE
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
1
R117
R112
100k
47k
X100
20MHz
R118
47k
JL105
R120
C106
C107
R130
0
0.22
0.1
10k
C108
C114
C109
0.01
0.022
0.1
4.2
4.2
3.3
4
-2
-1
2.1
0
3
2
0
R227
R226
180
180
JL106
JL107
TXD1
R127
47k
RXD1
CNVSS
RESET
12
12
10
11
12
R125
100
C105
0.01
R128
4.7k
CL182
CL181
R126
4.7k
R249
100k
CL109
CL168
R114
100k
R148
4.7k
CL174
0
32
CL173
3.3
31
3.3
30
CL171
3.3
29
3.3
28
CL170
0
27
26
CL125
0
CL183
25
24
CL126
CL167
23
CL139
0
22
CL138
3.3
21
CL127
20
CL128
19
18
17
C110
C115
C104
0.1
100
0.1
10V
Q111
Q109
RT3P11M-TP-1
RT3N11M-TP-1
LED DRIVE
LED DRIVE
3.3
0
4.2
-2
-1
0
4.2
13
14
1
2
3
4
5
6
7
1
8
9
WLK4 MAIN
10
BOARD
11
(2/2)
(Page 13)
12
13
14
15
16
17
18
CN103
5P
1
GND
A
2
NC
JL150
3
LED(R)
JL148
WLK4-PANEL
4
LED(G)
BOARD
JL149
CN304
5
POWER_SW
(Page 15)

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