AOC LE32H1461/20 Service Manual page 63

DDRV
U401A
N1
DDRV
N2
DDRV
N3
DDRV
N4
DDRV
N5
DDRV
N6
DDRV
P1
RVREF
DDRVREF
P2
ZQ
R457
ZQ
240R 1%
H8
TN_MEMPLL
J8
TP_MEMPLL
MT5561LVNT
DRAM# Bypass Cap
DDRV
C430
10UF 6.3V 20% C196
NC/4.7UF 10% 10V
DRAM POWER DDRV
+5V_SW
U411
1
VIN LX
2
GND
3
EN VFB
C428 R480 G5695T11U
0R05 1/16W
2.2UF
R410
100K 1% Vout = 0.6x(1+R1/R2)=1.5V
C433 C434 C435 C436
100NF 16V 100NF 16V 1UF 10V 100NF 16V
DDRV
L401
5
2.2uH
4
R1 R456
C426 C427
R460 33K 1/16W 1% 22UF 6.3V 100NF 16V
R2 22K 1%
C432
C437 C441
100NF 16V
100NF 16V
1UF 10V
63
Main Chip Ref Voltage.
DDRV
R455 C425
1K 1/16W 1% NC/100N 16V
RVREF
R461
C429
1K 1/16W 1% NC/100N 16V
Close to Main Chip
C439
C438 C440
100NF 16V NC/10UF 6.3V 20%
Close to Main Chip
3,4,5,6,7,8,9,10,11,13,14,15,16,17,18 GND
3,9,10,11,15 +5V_SW +5V_SW
4.7UF 10% 10V