THERMAL
THERMAL
THERMAL
U
S
B
D
O
W
N
S
T
R
E
A
M
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
C4333
22uF
10V
R4344
10K
C4324
10uF
16V
+5V_USB
R4312
10K
R4314
27K
1/10W
C4328
0.1uF
C4304
0.1uF
16V
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]
USB_DM2
+5V_USB
C4303
0.1uF
16V
C4301
10uF
10V
C4340
10uF
10V
WOL/WIFI_POWER_ON
+3.5V_ST_WIFI
+3.5V_ST
C4329
3300pF
50V
R4301
22
+5V_USB
R4300
27K
1/10W
/USB_OCD2
R4328
100K
R4330
120K
1%
C4334
22uF
10V
/USB_OCD1
L4308
2uH
C4332
22pF
50V
USB_CTL1
D4303
RCLAMP0502BA
USB_DIODE
C4327
1uF
10V
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
USB_DP2
+3.3V_NORMAL
D4304
RCLAMP0502BA
USB_DIODE
USB_DP1
R4327
10K
OPT
+3.3V_NORMAL
WIFI_DM
R4331
22K
1%
USB_CTL2
WIFI_DP
C4323
10uF
10V
POWER_ON/OFF2_4
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]
USB_DM1
L4301
BLM18PG121SN1D
R4313
27K
1/10W
OPT
R4311
10K
OPT
C4326
0.1uF
50V
+5V_USB
L4305
BLM18PG121SN1D
R4323
10K
R4341
27K
1/10W
OPT
R4329
10K
C4302
10uF
10V
P4301
SMAW200-H12S2
1
2
3
4
5
6
7
8
9
10
11
12
13
JK4304
3AU04S-305-ZC-(LG)
1
2
3
4
5
JK4303
3AU04S-305-ZC-(LG)
1
2
3
4
5
Q4301
PMV48XP
G
D
S
C4311
0.1uF
16V
OPT
R4304
10K
R4303
1.8K
Q4302
MMBT3904(NXP)
E
B
C
C4312
4.7uF
10V
OPT
C4310
4.7uF
10V
+3.5V_ST
ZD4300
5V
OPT
R4302
10K
+3.5V_ST_WIFI
WIFI_EN
P_12V
C4337
3.3uF
50V
L4303
22UH
R4333
22
C4339
22uF
25V
C4335
0.1uF
50V
D4305
MBRA340T3G
R4336
200K
1/8W
1%
R4332
100K
C4338
0.1uF
50V
P_12V
R4335
150K
C4341
0.1uF
50V
R4337
20K
1/16W
1%
R4338
270K
1/16W
1%
C4336
150pF
50V
R4334
18K
IC4307
MP4460DQ-LF-Z
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
11
EP_GND
+24V
R4339
10K
1/16W
1%
L4304
CB3216PA501E
JP8703
43
USB/WIFI
2012.12.10
xxLP860H-ZA
USB1
(HUB)
Vout=(0.763+0.0017*Vout.set)*(1+R1/R2)=4.98V
For EMI
R2
To SOC
WIFI(Netcast 4.0 WIFI Module)
4A
MAX 0.4A
USB2
(Support WOWL)
USB POWER(+24V->P_12V->+5V_USB)
R1
To SOC
close to pin
$0.21
Switching noise reducing [MPS recommend]
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 42LP860H
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