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A




RP817 RP816



DP803




6
RP815 QP801S




VSENSE
4 DP802
4 RP814 RP813 DP801
VINS

+ CP802
RP803 UP801 RP825

ICE1PCS02
RP824
3
ISENSE




VCOMP
LB802




ICOMP
8




GND




VCC
GATE
RP806
FM802




1




5




2




7
RP808
DP807 TM802S
CP809 CP803
RP818

3

CP805




RP822 RP821 RP820 RP802 RP801


RB830

NT811S

T
RB831
CY801S
FS801 1/2 RL811S
LX801S LX802S
2
RB832
VX801S CX801S RX801S CX803S CX802S DP804 DP805
PD801S L - +
N V RB833


BD801S CP810
+
RB834

CY802S




RB836
RP805 RP807

1
CM856




A
B C




CB803 CB809 RB806 RB809 RB805
RB803
QP802S CP813
TB801S
QP801S RB807

RB804
DP805
DB801
DB851
RP812
UB801S
RB808
5 6 CB802
RP811 HIN GUARD 7
DM0365R +VS 8
PCOM




LIN/ISO
3 CB852
LOUT




HOUT
RB801 DB802
2
FM802 GAIN
+12 V SOURCE




1




4
+ CB804
ZB802


DB811
RB802
UB813
DB812
CP807 2 3
+ VOUT VIN
CB814 RB817
CP806 CB815 + GND +

+ CB811
1


CB818

RB830
QB812
RB812

RB831 RB814




4

1
CB801
RB816 ZB801 RB856
RB818 PC801S

RB832 QB814 TLP421
QB813




3

2
RB833
ZB803 ZB804




4

1
RB834 PC802S
UB802
RB835 TLP421
2 3
IN MCR100-6 OUT
GND




CB808




3

2
RB836 RB837
1




QB854




B C
D




RB805
CB805 CB806
TM801S
CN801-2
RB807
CM807
RB855
RB857 RB860 RB821 RM811

DB851

DM803
UM801S
+ + + RB813 DM801
RM804
CB850 CB853 N/C 1 5
CB852 N.C. GATE QM801
N/C 8
N.C. RM802
ICE2BS01 RM809
DM802 ZM803 CM803
4
ISENSE
3
FB 6
VCC RM807




SOFTS



GND
2



7
CM801
RM808

CM802




DB803

1/2 RL811S




4

1
CB855
RB858 ZM802
PC803S
CM804
UB851 TLP421
RB822
8 1 QB801




3

2
OUT IN CN801-1
COM




RB854 RB859
RB851 RB820
6




+ CB851
CM806
ZM801
+ CM805


RB861



RB862




D
E

RM812

RM813
CM860
RM814

RM815
CN1806-1
DM857
LM852
4
CN801-16
+ + +

CM880 CM876 CM851



DM851 LM851
CN801-12,13,14

RM820
+ + +
CM865 CM864 CN1803-5
RM821
CM852 CM853 CM854
RM822

RM823
3

DM852 UM853

3 2
IN OUT CN801-6.7.8




GND
RM816 + CM882 + CM883 + CM881




1
CM863 CM862
RM817

RM818

RM819

RM852
RM855
CM855 RM854
PC803S RM853
2
TLP421
UM851
3 2
IN OUT
GND




RM861 RM856
1




CM874




1




Title
SAMSUNG BN44-00134A SMPS SECTION

Size Document Number Rev


Date: Thursday, February 12, 2009 Sheet 1 of 1
E
A B C D E




4 4


UB813
KIA78M12T
3 2
+5 VOLTS VIN VOUT TO HIGH B+
C1807




GND
U1808 Z1804
+ 13 V 8A624
3 1




1
VIN VOUT
FM801

C1837 C1838 GND C1839 C1840 R1841 C1817
R1839




16
2




VDDP
D1820

U1804 TLP351




4


8
R1811 PC805S C1802
7 2 2 8 CB815 R1830 D1821




R
DIS Aout R1831




VCC
3 4




1




8
R1840 Q DIM_CLK
1 FB
CN1806




+




.




.




1
2 A555F 3 D1803
3 R1813




GND
2 6 2 7 2 M1801S
4 6 TR . . 2SK3568




CV
5 THR R1817




7
5




3
1
5
OCP




C1816 D1822
C1809 R1819
TLP351 Z1801 T1801S
LD




C1818 R1812 PC806S
3 2 8 CN1801
Bout U1802S 6
.
C1812
R1852 3 + R1814 FAN7382 D1823 D1824
10 6 3
I_R .
R1832 R1833
CN1802




7
5
R1851 D1804




1
R1818
VR801 5 2 M1802S C1811
. 2SK3568 C1813




3
Z1802




.
U1807




4
LX1691AI R1820


3
R1864 3
12
I_SNS