Haier 42EP24S Service Manual page 40

5
+12V
D
C458 C460 C461
220uF/16V
100nF 100nF
AGND
+12V
C468
220uF/16V
C469 C470
C467
C
220uF/16V
100nF 100nF
AGND
+12V
B
+
C483 C484
R438 1K
220uF/16V 100nF
USB_P_ON/OFF
AFT_PIP
AGND
A
5
4
U41
MP1583
2
VIN
8
SS
6
COMP
7
EN
C491 C492
R420
1nF 5600pF 15K
U42
MP1583
2
VIN
8
SS
6
COMP
7
EN
C493 C494
R423
10K
1500pF 8200pF
U47
SOIC8N MP1583
2
VIN
8
SS
C495
6
COMP
7
EN
100nF
C496
5600pF
R439
C488 C490 R442
10K
1nF 1nF 15K
4
3
C457
10nF
R419 0R->39K
5
FBK
L21
3
OUT
22uH-->10uH
R421 D15
1K_DNS-->12K SK34DI
C497
10pF_DNS
C466
10nF R422
5
FBK
L22
3
OUT
22uH-->10uH
R424 D16
1K_DNS-->27K
SK34DI
C498
10pF_DNS
C489
10nF
5
FBK
L23
3
OUT
22uH-->10uH
R441
C499 39K
D17
SMB340
10pF_DNS
R443
12K
3
2
C463
470uF/10V
C462 C464
100nF
470uF/10V
0R-->47K
C472
470uF/10V
C471 C473
100nF
470uF/10V
VCC_USB
+
C486
+
C487
C485
470uF/10V
470uF/10V 100nF
Title
DC/DC POWER
Size Document Number
A W90DL-288---Q
Date: 2005-07-21
2
1
VCC LM2673S-5.0
TO-263-7
2 6
VIN FBK
7
SS
5 1
ILIM OUT
C465
U41
100nF
AGND
3V3S
LM2673S-3.3
TO-263-7
2 6
VIN FBK
7
SS
C474
5 1
ILIM OUT
100nF
U42
AGND
U47
LM2596S-5.0
1 4
VIN FBK
2
Vout
Rev
C-00
Sheet 18 of 25
1
D
C
B
A