LG 32LD400_LC320WUG-SCR7 Service Manual page 125

5
POWER +1.25V (ANALOG)
AV33
(2,4,8,12) AV33
D
DDRII POWER
DV33
C
(2,4,7,8,14) DV33
CE11 CE11
+ +
NC/47uF/25V HW NC/47uF/25V HW
TUNER +5V
B
(1,2,4,5,7,10,14) +5VSB
BOM
(8) T_PWR_EN
+ + CE27 CE27
220uF/16V 220uF/16V
0.01uF/16V 0.01uF/16V
A
5
4
U8 AP1117EL-13 U8 AP1117EL-13
4
ADJ ADJ
3 2
IN IN OUT OUT
SOT223 SOT223
R39 R39
100_F 100_F
C141 C141 GND GND
0.1uF/16V 0.1uF/16V
R41 R41
0 0
Add L18
U5 AP1117EL-13 U5 AP1117EL-13
L18 L18
4
ADJ ADJ
0 0 0805R 0805R
3 2
IN IN OUT OUT
SOT223 SOT223
R31 R31
110_F 110_F
C70 C70 GND GND
0.1uF/16V 0.1uF/16V
R33 R33
48R7_F 48R7_F
+5VSB
U10 U10
1 8
EN GND
2 7
VIN GND
3 6
VOUT GND
4 5
SENSE/ADJ GND
C156 C156 C148 C148
0.1uF/16V 0.1uF/16V LM39102D-ADJ-8L LM39102D-ADJ-8L
4
3
AV125
AV125 (8)
+ + CE26 CE26
100uF/16V 100uF/16V C173 C173
NC/0.1uF/16V NC/0.1uF/16V
BOM
1.25 x (1+0/100) = 1.25V
DDRV
DDRV (6,8)
+ + CE13 CE13
C72 C72
470uF/25V 470uF/25V NC/0.1uF/16V NC/0.1uF/16V
BOM
1.25 x (1+48.7/110) = 1803V
+5V_TUNER
+5V_TUNER (5)
R52 R52 C143 C143
3K_F 3K_F 0.1uF/16V 0.1uF/16V
R58 R58
1K_F 1K_F
3
2
APPROVED BY: APPROVED BY: APPROVED BY:
MODEL MODEL MODEL MT5387_LGE_32/42LD400 MT5387_LGE_32/42LD400 MT5387_LGE_32/42LD400
(3632-1442-0150) (3632-1442-0150) (3632-1442-0150)
CHECKED BY: CHECKED BY: CHECKED BY:
(3642-1112-0150) (3642-1112-0150) (3642-1112-0150)
CIRCUITY CIRCUITY CIRCUITY ANALOG POWER ANALOG POWER ANALOG POWER
DESIGN BY: DESIGN BY: DESIGN BY:
PCB P/ N: PCB P/ N: PCB P/ N:
0171-2271-3274 0171-2271-3274 0171-2271-3274
ECN NO: ECN NO: ECN NO: N/A N/A N/A
SCH FILE : SCH FILE : SCH FILE :
363214420150.DSN 363214420150.DSN 363214420150.DSN
PCB FILE : PCB FILE : PCB FILE : 017122713274.BRD 017122713274.BRD 017122713274.BRD
2
1
D
C
B
TECHNOLOGY TECHNOLOGY TECHNOLOGY
A
Sheet Sheet Sheet of of of 16 16 16
3 3 3
04 04 04
REV: REV: REV:
PCB REV: PCB REV: PCB REV: 04 04 04
DATE: DATE: DATE:
Wednesday, August 25, 2010 Wednesday, August 25, 2010 Wednesday, August 25, 2010
1