Norcent LT3225 Service Manual page 51

32'' LCD TV
FROM POWER
BOARD
CN901
FB904 600 OHM
1 C947
2 2 1 100pF
3
4 FB915 300 OHM
5
6 FB916 300 OHM
7
8
9
10
11 FL900
12 STC 682D
C963
0.001uF
12P/2mm
Power Connector
CN905
1
2
3
4
5
6 C964
7
0.001uF
8
9
2
9P/2mm
FB909
C949
0.1uF C965
0.001uF
U911
D5V1 FL902 AP1501-ADJ
STC 682D
Feedback
1 3 1
Vin
R943
NC/0R
5
SD
+
C951
220uF/10V C952
C950
0.1uF NC/0.1uF 150KHz
5V@3A
R944
0 1/16W
D5V1
R940 1 3
100
LIGHT-ON-OUT 3
FL903
BACKLIGHT-CNTRL-OUT 12
STC 682D
AUDIO_POWER 3
D12V
1 3 C923
0.1uF
+ C943
100uF/25V
VCC3V3_DM
R942
100
RELAY-SW
RELAY-SW 15
C930
D5V1 D5V 22uF/16V
1 3
FL901 +
STC 682D C928
C948 220uF/10V
100pF
+5VSB
1
600 OHM
+
C940
220uF/10V
+3.3V
C955
NC/0.0012uF
R945
4 5.1K 1/16W
2 1 2
Vout 1 2
L902
3 ZD901 33uH/2A C954
GND
220uF/10V +
R946
3K 1/16W
C953
0.1uF
SMAL340XXXRO
TP901 TP902 TP903
Power & Ground 5
U907
AP1501-ADJ
4
Feedback
1 L901
Vin
R937 2 1
Vout
NC/0R
5
SD
+ 3 ZD900
GND
C927
220uF/10V C939 R933
2.2K
NC/0.1uF 150KHz
5V@3A
R938 SMAL340XXXRO
0 1/16W
U906 AIC1084CM
3 2
VIN VOUT
1
ADJ
+ +
C921 C937
0.1uF R927 47uF/16V
+
C925 R934
10uF/16V
R929
15 1/16W
FB902 600 OHM VCC3_3
+3.3V
2 1
C905
+ 47uF/16V
FB900 600 OHM
VCC3V3_G9
2 1
+
C914
47uF/16V
FB901 600 OHM
VCC3V3_DM
2 1
+
C936
47uF/16V
TP904 TP905 TP906 TP907 TP908
51
VCC1V8_G9
C938
NC/0.0012uF
R932 1K 1/16W
33uH/2A
2
1 2
C929
+
220uF/10V
1/16W
C915
0.1uF
D5V U903 AIC1084CM
VCC1V8_DM
3 2
VIN VOUT
1
ADJ
C931
+
22uF/16V C919
C920 0.1uF R926
0.1uF
+
C924
10uF/16V R928
12V
R936 8.2 2W
D12V
D12V 1
R935 8.2 2W
+
C932 C922
470uF/16V 0.1uF
GND_PWR GND_PWR
VCC9A
R930 18 3W
R931 18 3W
C934
+
47uF/16V
Title
Page 18 - Power and Regulator
Size Document Number
B
715T1961-
Date: Wednesday, May 17, 2006
Norcent LT3225
VCC2_5
+
C909 C904
47uF/16V 0.1uF
U909 VCC9A
9V
3
IN OUT
BA17809FP + C933
47uF/16V
GND_PWR GND_PWR
VCC5_0
U908 BA05FP
1 3
IN OUT
C935
+
47uF/16V
C916
0.1uF
GND_PWR
GND_PWR
Rev
D
Sheet 18 of 19