AOC LE32K0D7D(U), Service Manual

Page: 49 / 245

49
GND
M82_DV33
C748
10uF 10V
C763
22uF 10V
+
C772
100U
F
1
6
V
+5V_SW 4,8,10,11,12,13,14,15,20
+5V_SW
M82_DV11
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称 爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹 1
Custom
16 20 Tuesday , July 13, 2010
715G4001-1
xx
16. MEMC DC CONVERTER
C
743
10
0N
16V
C738
100N 16V
C755
100N 16V
+ C760
NC/100UF 16V
LX
3
FB
5
SS
8
IN
2
EN
7
COMP
6
NC
1
GN
D
4
T
herm
a
l P
a
d
9
U705
G5657F12U
C7
3
6
100N
1
6
V
C749
100N 16V
R729
47K 1/16W 5%
R732
24K +-1% 1/16W
C740
2N2 50V
R7
3
3
62
K
1/
16W
1
%
C745
10N 50V
C751
10uF 10V
R738
750R 1/16W 1%
C735
180P 50V
R737
18Kohm 1/16W +/-1%
C770 NC/10N 50V
C747
10N 50V
1 2
FB708
220R/2000mA
R
740
68
K
1/
1
6
W
1%
VIN
3
GN
D
1
VOUT
2
TH
4
U706
G1117T63Uf
R734
10K 1/16W 5%
C7
32
100N
1
6
V
+
C731
220
uF
1
6
V
R739
1R 1%
C744
1uF 16V
LX
3
FB
5
SS
8
IN
2
EN
7
COMP
6
NC
1
GN
D
4
T
herm
a
l P
a
d
9
U704
G5657F12U
+ C746
100UF 16V
R735
10K 1/16W 5%
C737
10uF 16V
C750
1uF 16V
L703
10uH
C
739
10
0N
16
V
C741
100N 16V
1
2
D706
SS3P4
R730
0R05 1/16W
1
2
D705
SS3P4
R728
24K 1/16W 5%
L704
4.7uH
R7
3
6
3.
9
K
1%
M82_DV33 M82_AV33
M82_AV33
M82_AV12
M82_DV33
+5V_SW M82_DV11
+12V/5V
M82_DV33
M82_AV33 17,19
+12V/5V 4,5,12,15
M82_DV33 17,18
M82_AV12 17,18,19
M82_DV11 17
GND 4,5,6,7,8,9,10,11,12,13,14,15,17,18,19,20
R742
47K 1/16W 5%
M82_AV12
C742
22uF 10V
C762
22uF 10V
+5V_SW
M82_AV12 = 1.2637 - 1 x 0.064 = 1.1993 V
POWER M82_DV33
POWER M82_AV33
Vout =0.92x(1+R1/R2) = 0.92 x ( 1 + 62K/ 24K ) = 3.3V
R1
POWER M82_AV12
R2
CORE POWER M82_DV11
Vout = 1.25 x ( 1+ [R2/R1] ) = 1.25 x (1 + 750/68K) = 1.2637V
R2
R1
R2
R1
Vout =0.92x(1+R1/R2) = 0.92 x ( 1 + 3.9K/ 18K ) = 1.19V
OFF ON OFF ON
+12V/5V
C761
10uF 16V
C771 NC/10N 50V
M82_AV33