THERMAL
USB DOWN STREAM
THERMAL
THERMAL
USB DOWN STREAM
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
USB_DM1
USB_DP1
C4339
10uF
10V
WIFI
WIFI_DP
WIFI_DM
D4303
RCLAMP0502BA
USB_DIODE
P4301
12507WR-04L
WIFI
1
VDD
2
DM
3
DP
4
GND
5
.
C4320
0.1uF
16V
WIFI
C4321
10uF
10V
WIFI
L4302
BLM18PG121SN1D
WIFI
C4319
0.1uF
16V
WIFI
R4327
10K
OPT
R4323
10K
USB_CTL1
/USB_OCD1
C4323
10uF
10V
R4341
27K
1/10W
OPT
R4300
27K
1/10W
IC4303
TPS2554
3
IN_2
2
IN_1
4
ILIM_SEL
1
GND
5
EN
6
ILIM1
7
ILIM0
8
OUT_1
9
OUT_2
10
FAULT
11
[EP]
+3.3V_NORMAL
+5V_USB
D4300
RCLAMP0502BA
OPT
R4302
33
M_REMOTE_DEV
R4303
33
M_REMOTE_DEV
USB2SER_DP
USB2SER_DM
C4318
22pF
M_REMOTE
C4317
22pF
M_REMOTE
R4301 1.5K
M_REMOTE
+3.3V_NORMAL
L4301
BLM18PG121SN1D
M_REMOTE
R4304
10K
M_REMOTE
R4305
1M 1%
OPT
X4300
12MHz
M_REMOTE
C4316
20pF
M_REMOTE
M_REMOTE_TX
M_REMOTE_RX
C4315
20pF
M_REMOTE
R4308
100K
1%
OPT
R4307
91K
1%
OPT
R4306
10K
M_REMOTE
+3.3V_USB2SER
R4309
15K
M_REMOTE
C4314
1uF
M_REMOTE
+3.3V_USB2SER
+3.3V_USB2SER
+3.3V_USB2SER
+3.3V_USB2SER
/USB2SER_RESET
C4309
0.1uF
16V
M_REMOTE
C4313
0.1uF
16V
M_REMOTE
R4310
10K
M_REMOTE
C4312
0.1uF
16V
M_REMOTE
C4310
0.01uF
25V
M_REMOTE
C4311
0.1uF
16V
M_REMOTE
JK4303
3AU04S-345-ZC-H-LG
1234
5
R4329 10K
C4328
0.1uF
C4327
1uF
10V
C4333
22uF
10V
C4326
0.1uF
50V
C4334
22uF
10V
C4329
3300pF
50V
R4328
100K
L4305
BLM18PG121SN1D
C4332
22pF
50V
R4344
10K
IC4305
TPS54425PWPR
3
VREG5
2
VFB
4
SS
1
VO
6
PG
5
GND
7
EN
8
PGND1
9
PGND2
10
SW1
11
SW2
12
VBST
13
VIN1
14
VIN2
15
[EP]PGND
POWER_ON/OFF2_4
C4324
10uF
16V
+12V
+3.5V_ST
L4308
2uH
+5V_USB
+5V_USB
USB_CTL2
IC4306
TPS2554
3
IN_2
2
IN_1
4
ILIM_SEL
1
GND
5
EN
6
ILIM1
7
ILIM0
8
OUT_1
9
OUT_2
10
FAULT
11
[EP]
R4313
27K
1/10W
OPT
USB_DM2
+3.3V_NORMAL
D4304
RCLAMP0502BA
USB_DIODE
/USB_OCD2
R4311
10K
OPT
R4314
27K
1/10W
USB_DP2
C4340
10uF
10V
R4312
10K
JK4304
3AU04S-345-ZC-H-LG
1234
5
+5V_USB
+5V_USB
R4330
120K
1%
R4331
22K
1%
IC4304
TUSB3410RHBR
M_REMOTE
1
VREGEN
3
VCC_1
7
DM
9
RESET
10
SDA
11
SCL
12
WAKEUP
13
CTS
14
DSR
15
DCD
16
RI/CP
17
SIN/IR_SIN
18
GND_2
19
SOUT/IR_SOUT
20
RTS
21
DTR
22
CLKOUT
23
TEST0
24
TEST1
25
VCC_2
26
X2
27
X1/CLKI
28
GND_3
29
P3.4
30
P3.3
31
P3.1
32
P3.0
5
PUR
8
GND_1
6
DP
4
VDD18
2
SUSPEND
33
[EP]
43
USB3_HUB_WiFi
2011.09.29
MAX 0.4A
USB_WIFI
DVR Ready
+5V_USB FOR USB
MAX 1.8A
USB2
For EMI
To SOC
To SOC
xxLT760H-UA
USB To SERIAL I/F
R1
R2
4A
Vout=(0.763+0.0017*Vout.set)*(1+R1/R2)=4.98V
DVR Ready
MAX 1.8A
USB1
To SOC
(HUB)
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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