Kogan LET40T3 - Page 44

R559 2.2R/2W
C362 0.1uF
C360 2.2uF
5VAIN
Ursa_+1.8V
R412 2.43K/1%
TO252
R413 1K/1%
VIN
3
GND
1
VOUT
2
Vout
4
U31 AMS1117-ADJ
C389 0.1uF
C390 2.2uF
Vout=Vrefx(1+(R2/R1))+IadjxR2 =1.25x(1+(1k/2.4k))+55uAx1k=1.82V
Ursa DDR2 +1.8V POWER
250mA
200mA
1040mA
1040mA
Title Size Document Number Rev
Date: Sheet
of
MST6M20S Power 1.0 MST6M69FL+MST6M20S LED
A4
13 15Monday, November 16, 2009
R1455 100K
C1414 100nF
C74 100nF
C40 2.2uF
C128 10uF
12
3 4L15
22uH
C1419 100nF
C88 100nF
L11 FB/2A
L16 NC/FB/3A
C81 100nF C36 100nF
C105 100nF
C92 100nF
C93 100nF
C1413 100nF
C33 100nF
C199 100nF
C97 10uF
C42 2.2uF
C1416 100nF
L10 FB/2A
C77 100nF
C91 100nF
+
CA96 470uF/16V
C1418 100nF
C47 2.2uF C32 2.2uF
C1409 10n
C1410 0.1uF
C1426 100nF
C1412 0.1uF
D20
NC/1N5822
C99 100nF
C76 100nF
+
CA21
100uF/25V
C29 100nF
C1425 100nF
C96 100nF
L13 FB/2A
C1417 100nF
C132 100nF
C144 100nF
L20 FB/2A
C1411 1n
L12 FB/2A
C224 0.1uF
VCC
2
EN
7
COMP
6
SS
8
GND
4
PAD
9
FB
5
BST
1
OUT
3
U15 MP1482
C1415 100nF
C98 100nF
C142 100nF
R460 10K
R461 2.4K_1%
L14 FB/2A
C48 100nF
+
CA95 100uF/16V
R462 1K_1%
Ursa_AVDD_LVDS
VDDC
Ursa_+3.3V Ursa_AVDD
Ursa_AVDD_MEMPLL
Ursa_+3.3V
Ursa_AVDD_LPLL
Ursa_VDDP
Ursa_+3.3V
+3.3AVDD
Ursa_AVDD_MPLL
Ursa_AVDD_DDR
Ursa_VCC1.2V
Ursa_VDDC
+12V
Ursa_+1.8V
Ursa_VCC1.2V
Service Manual
Model No.: LET40T3
43