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WIFI(Netcast 4.0 WIFI Module)
P4301
MAX 0.4A
SMAW200-H12S2
1
C4301
10uF
2
10V
3
WIFI_DM
4
5
WIFI_DP
6
7
8
R4301
9
WOL/WIFI_POWER_ON
22
10
11
(Support WOWL)
12
13
USB POWER(+24V->P_12V->+5V_USB)
R4332
100K
Switching noise reducing [MPS recommend]
C4335
0.1uF
50V
IC4307
R4333
MP4460DQ-LF-Z
+24V
EP_GND
22
close to pin
SW_1
BST
1
10
D4305
MBRA340T3G
SW_2
VIN_2
2
9
C4337
EN
VIN_1
3.3uF
3
8
50V
R4336
200K
COMP
$0.21
FREQ
4
7
R4334
C4336
1/8W
18K
FB
GND
150pF
1%
5
6
50V
R4335
R4338
R4339
270K
10K
150K
1/16W
1/16W
1%
1%
L4303
C4339
R4337
22UH
C4341
22uF
20K
1/16W
25V
0.1uF
50V
1%
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST_WIFI
+3.5V_ST
L4301
BLM18PG121SN1D
C4304
C4302
C4303
0.1uF
10uF
0.1uF
16V
10V
16V
For EMI
C
R4304
10K
B
Q4302
WIFI_EN
MMBT3904(NXP)
E
C4312
4.7uF
10V
OPT
P_12V
L4305
IC4305
BLM18PG121SN1D
[EP]PGND
TPS54425PWPR
VIN2
14
1
VIN1
13
2
C4324
10uF
16V
VBST
12
3
4A
SW2
C4338
C4326
11
4
0.1uF
0.1uF
50V
50V
SW1
10
5
P_12V
PGND2
9
6
L4304
CB3216PA501E
PGND1
8
7
Vout=(0.763+0.0017*Vout.set)*(1+R1/R2)=4.98V
+3.5V_ST_WIFI
Q4301
PMV48XP
G
C4311
C4310
0.1uF
4.7uF
16V
10V
OPT
+5V_USB
VO
R4331
VFB
22K
1%
R2
VREG5
C4327
1uF
SS
10V
R1
R4330
C4332
GND
22pF
+3.5V_ST
120K
R4328
C4329
50V
1%
3300pF
100K
PG
50V
EN
R4329
10K
C4328
POWER_ON/OFF2_4
0.1uF
+5V_USB
L4308
2uH
C4333
C4334
22uF
22uF
10V
10V
USB1
+3.3V_NORMAL
(HUB)
R4311
10K
R4312
OPT
10K
IC4306
[EP]
TPS2554
+5V_USB
GND
FAULT
1
10
IN_1
OUT_2
2
9
IN_2
OUT_1
3
8
ILIM_SEL
ILIM0
4
7
/USB_OCD2
EN
ILIM1
5
6
USB_CTL2
USB_DM2
USB_DP2
To SOC
USB2
+3.3V_NORMAL
R4327
R4323
10K
10K
OPT
IC4303
TPS2554
[EP]
+5V_USB
GND
FAULT
1
10
IN_1
OUT_2
2
9
IN_2
OUT_1
3
8
ILIM_SEL
ILIM0
4
7
/USB_OCD1
EN
ILIM1
USB_CTL1
5
6
USB_DM1
USB_DP1
To SOC
C4340
10uF
10V
3AU04S-305-ZC-(LG)
JK4304
C4323
10uF
10V
3AU04S-305-ZC-(LG)
JK4303
xxLP860H-ZA
2012.12.10
USB/WIFI
43
LGE Internal Use Only
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