1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
C5
0.1uF-0402-Y5V-
+
80%-20%-16V
CM4
0.1uF-0402-X5R-20%-16V
R12
100Kohm-0402-
1%-1/
16W
+5
V
M_5V
R9
4K7ohm-0402-
5%-1/
16W
C4
0.1uF-0402-Y5V-
+
80%-20%-16V
VI
3
VO
2
ADJ
1
VO
4
U1
LC1117CLTR33
+
3
.3
V
_STB
+5
V
M_5V
D
D
R-2.5V/
1.8
V
C13
0.1uF-0402-Y5V-
+
80%-20%-16V
CL1
10uF-0603-X5R-
20%-6.
3
V
R4
510ohm-0402-
5%-1/
16W
BL-AD
J
PWM-DI
M
Q5
LMBT3904LT1G
R14
4K7ohm-0402-
5%-1/
16W
PWR-ON
/O
FF
R89
10Kohm-0402-
5%-1/
16W
+
3
.3
V
_STB
PVCC
+5V
PVCC
12V
ADJ/Vs-ON
TEST
C40
0.1uF-0402-Y5V-
+
80%-20%-16V
Q1
0
LMBT3904LT1G
R36
4K7ohm-0402-
5%-1/
16W
R38
200Kohm-0402-
1%-1/
16W
PVC
C
V
CC-Panel
R39
4K7ohm-0402-
5%-1/
16W
R101
2K2ohm-0402-
5%-1/
16W
PWR-ON
/O
FF
VI
3
VO
2
ADJ
1
VO
4
U
L41
LC1117CLTR18
CL42
0.1uF-0402-Y5V-
+
80%-20%-16V
CL43
0.1uF-0402-Y5V-
+
80%-20%-16V
GND
GND
GND
CL44
10uF-0603-X5R-
20%-6.
3
V
C39
0.22uF-0402-X5R-10%-16V
R12V
0ohm-0805-
5%-1/
8W
R5V
N
C/0ohm-0805-
5%-1/
8W
+
1.2V_VD
D
C
+5
V
CD44
0.1uF-0402-Y5V-
+
80%-20%-16V
CD45
10uF-0603-X5R-
20%-6.
3
V
BS
1
IN
2
SW
3
GND
4
FB
5
COM
P
6
EN
7
NC
8
UD1
RT7237CHG
SP
CD7
220pF-0402-X7R-10%-50V
CD6
3300pF-0402-X7R-10%-50V
RD4
20Kohm-0402-
5%-1/
16W
CD3
0.1uF-0402-Y5V-
+
80%-20%-16V
RD2
12K4ohm-0402-
1%-1/
16W
LD2
SCD54TL-4R7M
CD20
N
C/22pF-0402-NPO-5%-50V
RD6
10ohm-0402-
5%-1/
16W
RD41
10Kohm-0402-
5%-1/
16W
CD42
0.1uF-0402-Y5V-
+
80%-20%-16V
RD43
22Kohm-0402-
1%-1/
16W
CD41
0.1uF-0402-Y5V-
+
80%-20%-16V
Q4
WPM2341A-3/T
R
Q8
A
O
3407A
CL2
N
C/10uF-0805-Y5V-
+
80%-20%-10V
CL41
N
C/10uF-0805-Y5V-
+
80%-20%-10V
CD48
10uF-0805-Y5V-
+
80%-20%-10V
12V
CD17
220pF-0402-X7R-10%-50V
CD13
0.1uF-0402-Y5V-
+
80%-20%-16V
RD12
18Kohm-0402-
1%-1/
16W
RC13
3K3ohm-0402-
1%-1/
16W
CD12
0.1uF-0402-Y5V-
+
80%-20%-16V
CD15
0.1uF-0402-Y5V-
+
80%-20%-16V
RD11
100Kohm-0402-
1%-1/
16W
BS
1
IN
2
SW
3
GND
4
FB
5
COM
P
6
EN
7
NC
8
UD1
1
RT7257GH
ZSP
+5
V
CD11
1uF-0603-X5R-10%-25V
CD18
0.1uF-0402-Y5V-
+
80%-20%-16V
LD12
SCD54TL-4R7M
CD16
3300pF-0402-X7R-10%-50V
RD14
22Kohm-0402-
1%-1/
16W
RD1
10ohm-0402-
5%-1/
16W
CD1
N
C/22pF-0402-NPO-5%-50V
+
ED11
100uF-16V-
20%-6
7-105
ć
-XF
+
ED1
470uF-16V-
20%-8
12-105
ć
-XF
PWM-DIM
PWM-DIM
+
3
.3
V
_STB
+
3
.3
V
_STB
12V
12V
CD14
10uF-0805-Y5V-
+
80%-20%-10V
CD121
10uF-0805-Y5V-
+
80%-20%-10V
+
ED42
100uF-16V-
20%-6
7-105
ć
-XF
+
ED10
100uF-16V-
20%-6
7-105
ć
-XF
+
ED41
100uF-16V-
20%-6
7-105
ć
-XF
V
CC_P
TEST
+5
V
TEST
1V2
TEST
3
V
3
TEST
2V5/1V8
TEST
5V-M
TEST
+
12V
TEST
DM
1
PMLL4148L-F
SCHEMATIC DIAGRAMS (continued)
Main Unit
H-3
Summary of Contents for LC-23LE448RU
Page 32: ...㪰 I 1 WAVEFORMS ...