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CORE +1.26V_FRC
+12V
AOZ1072AI
L5402
PGND
CIC21J501NE
1
VIN
2
C5406
0.1uF
AGND
3
C5402
C5404
10uF
10uF
FB
4
25V
25V
Placed on SMD-TOP
Vout=(1+R1/R2)*0.8
+3.3V_FRC
+12V
L5401
CIC21J501NE
AOZ1072AI-3
PGND
1
VIN
2
C5405
0.1uF
AGND
3
C5401
C5403
10uF
10uF
FB
4
25V
25V
Vout=0.8*(1+R1/R2)
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 © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TYPICAL 980mA
+3.3V_FRC
IC5401
R5405
10K
L5403
POWER_ON/OFF2_2
OPT
3.6uH
R5409
10K
NR8040T3R6N
LX_2
8
LX_1
7
R5406
3.3K
C5407
R5404
1%
1uF
20K
2A
R1
EN
10V
OPT
6
R5407
C5412
3.9K
1%
22uF
COMP
10V
5
C5410
100pF
R5402
C5408
20K
3300pF
50V
OPT
R5408
12K
R2
1%
TYPICAL 300mA
IC5402
L5404
3.6uH
NR8040T3R6N
LX_2
8
LX_1
7
R5410
27K
1%
R5403
2A
EN
10K
POWER_ON/OFF2_2
R1
6
R5411
4.3K
1%
COMP
5
C5411
R5401
C5409
100pF
20K
2200pF
EAN60922902
50V
OPT
R5412
10K
R2
1%
+3.3V_FRC
+1.26V_FRC
C5414
22uF
10V
C5416
C5417
10uF
0.1uF
16V
16V
+1.5V of DDR&URSA5 uses same power line
+3.3V_FRC
C5413
C5415
22uF
22uF
10V
10V
+1.5V_FRC
TYPICAL 350mA
IC5403
AP7173-SPG-13 HF(DIODES)
[EP]
1
8
OUT
IN
2
7
PG
FB
3
6
SS
VCC
R5413
10K
4
5
GND
EN
EAN41406705
C5418
1uF
10V
Vout=0.6*(1+R1/R2)
MStar URSA5
URSA5 Power Block
+1.5V_FRC_DDR
R1
R5414
4.3K
1%
R5415
3.9K
1%
R2
C5419
R5416
C5420
C5421
560pF
1K
10uF
10uF
50V
1%
16V
16V
2010. 08.18
54
55
LGE Internal Use Only
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