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

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)