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THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+12V
+1.5V URSA DDR
L13411
POWER_ON/OFF_1
BLM18PG121SN1D
C13443
C13410
10uF
0.1uF
16V
IC13403
R13424
BD9D321EFJ
[EP]
10K
EN
VIN
1
8
R13421
R13422
FB
BOOT
2
7
R1
18K
3.6K
1%
1%
VREG
SW
3
6
C13444
100pF
50V
SS
GND
3A
4
5
R13423
C13445
C13446
22K
1uF
2200pF
1%
10V
50V
R2
Vout=0.765*(1+R1/R2)=1.516V
+12V
+3.3V URSA
L13401
BLM18PG121SN1D
+3.3V_NORMAL
C13412
C13413
10uF
0.1uF
16V
IC13401
R13415
BD9D321EFJ
[EP]
10K
EN
VIN
1
8
R13412
R13413
FB
BOOT
2
7
R1
68K
6.8K
1%
1%
VREG
SW
3
6
C13414
100pF
50V
SS
GND
3A
4
5
R13414
C13415
C13416
22K
1uF
2200pF
1%
10V
50V
R2
+1.15V URSA9 Core
+1.5V_U_DDR
16V
0.1uF
C13447
+3.3V_U_NORMAL
L13412
2.2uH
R13425
10K
VLS5045EXT-2R2N
C13448
C13449
ZD13401
22uF
22uF
2.5V
10V
10V
10K
OPT
R13426
OPT
VDDC
C13400
C13401
22uF
22uF
+3.3V_U_NORMAL
16V
0.1uF
C13417
L13404
2.2uH
VLS5045EXT-2R2N
C13418
C13419
22uF
22uF
D13401
10V
10V
5V
TVS_SEMTECH(MULTI)
D13401-*1
TVS_KEC(MULTI)
R13404
10K
R13407
39K
R1
1/16W
5%
C13403
1000pF
R2
50V
RF
FB
1
23
THERMAL
PGOOD
GND
2
22
29
0
R13401
EN
MODE
3
21
16V
0.1uF
IC13402
VBST
VREG
4
20
TPS53513RVER
C13405
NC_1
VDD
5
19
R13400
C13402
2K
SW_1
NC_2
6
18
1/16W
0.1uF
SW_2
VIN_3
16V
5%
7
17
SW_3
VIN_2
L13403
8
16
8A
1.0uH
SW_4
VIN_1
9
15
C13411
C13406
22uF
2200pF
50V
C13404
470pF
50V
Vout=0.6*(1+R1/R2)
M1A_URSA9_UD
URSA_DCDC
MAX 4.7A
+12V
L13402
C13407
C13409
C13408
1uF
10uF
10uF
10V
16V
16V
2014.04.24
134
LGE Internal Use Only
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