LG 47LW6500-UA Service Manual page 47

CORE +1.26V_FRC
+12V
AOZ1072AI
L5402
PGND
CIC21J501NE
1
VIN
2
C5406
0 . 1 u F
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 . 1 u F
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.
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
10uF
16V
+ 1 . 5 V o f D D R & U R S A 5 u s e s s a m e p o w e r l i n e
+3.3V_FRC
C5413 C5415
22uF 22uF
10V 10V
+1.5V_FRC
IC5403
AP7173-SPG-13 HF(DIODES)
[ E P ]
1 8
IN
2 7
PG
3 6
VCC
R5413
10K
4 5
EN
EAN41406705
C5417
0 . 1 u F
16V
C5418
1uF
10V
Vout=0.6*(1+R1/R2)
MStar URSA5
URSA5 Power Block
TYPICAL 350mA
+1.5V_FRC_DDR
R1
OUT
R5414
4.3K
1%
FB
R5415
3.9K
1%
SS
R2
C5419 R5416 C5420 C5421
GND
560pF 1K 10uF 10uF
50V 1% 16V 16V
2 0 1 0 . 0 8 . 1 8
54 55