Norcent Norcent LT2725, Service Manual, Page: 51 / 123

27’’ LCD TV Color Monitor Norcent LT2725
51
R937
NC/0R
C921
0.1uF
R932 1K 1/16W
Power Connector
U907
AP1501-ADJ
2
1
4
5
3
Vout
Vin
Feedback
SD
GND
FB916 300 OHM
FROM POWER
BOARD
U906 AIC1084CM
3
1
2
VIN
ADJ
VOUT
C919
0.1uF
FB909 600 OHM
1 2
TP902
1
FL902
STC 682D
1
2
3
4
C950
0.1uF
VCC1V8_DM
C965
0.001uF
+
C940
220uF/10V
R931 18 3W
U908 BA05FP
1 3
2
IN OUT
GND
L901 33uH/2A
1 2
1 2
VCC3V3_DM
VCC3V3_G9
ZD901
SMAL340XXXRO
1
2
+
C925
10uF/16V
+
C930
22uF/16V
+
C927
220uF/10V
C953
0.1uF
U911
AP1501-ADJ
2
1
4
5
3
Vout
Vin
Feedback
SD
GND
+
C924
10uF/16V
VCC3_3
C939
NC/0.1uF
R942
100
D5V
GND_PWR
150KHz
5V@3A
D5V1
+3.3V
R940
100
C947
100pF
D12V
VCC2_5
CN901
12P/2mm
1
2
3
4
5
6
7
8
9
10
11
12
U909
BA17809FP
1 3
2
IN OUT
GND
C949
0.1uF
9V
C945
100pF
C955
NC/0.0012uF
GND_PWR
D5V1
C964
0.001uF
D12V
R936 8.2 2W
TP901
1
R945
5.1K 1/16W
TP908
1
C906 0.
1uF
12V
GND_PWR
RELAY-SW
+
C909
47uF/16V R926
150
1/
16W
C952
NC/0.1uF
R943
NC/0R
GND_PWR
FL903
STC 682D
1
2
3
4
GND_PWR
R934
51
1/
16W
L902
33uH/2A
1 2
1 2
+
C929
220uF/10V
TP904
1
VCC9A
C916
0.1uF
C922
0.1uF
C948
100pF
D
Page 18 - Power and Regulator
B
18 19 Wednesday, May 17, 2006
715T1961-
Title
Size Document Number Rev
Date: Sheet of
U903 AIC1084CM
3
1
2
VIN
ADJ
VOUT
FL900
STC 682D
1
2
3
4
+
C936
47uF/16V
R946
3K 1/16W
C963
0.001uF
C938
NC/0.0012uF
GND_PWR
+
C937
47uF/16V
R930 18 3W
C920
0.1uF
+
C933
47uF/16V
+
C905
47uF/16V
RELAY-SW 15
FB915 300 OHM
C904
0.1uF
TP906
1
+ C935
47uF/16V
+
C928
220uF/10V
VCC3V3_DM
+
C931
22uF/16V
Power & Ground 5
R928
150
1/
16W
+
C951
220uF/10V
VCC9A
+
C943
100uF/25V
CN905
9P/2mm
1
2
3
4
5
6
7
8
9
R935 8.2 2W
AUDIO_POWER 3
+
C954
220uF/10V
FL901
STC 682D
1
2
3
4
D5V1
FB900 600 OHM
1 2
C915
0.1uF
C901
0.
1uF
VCC1V8_G9
TP905
1
C923
0.1uF
+ C934
47uF/16V
D5V
BACKLIGHT-CNTRL-OUT 12
+
C914
47uF/16V
+5VSB
R938
0 1/16W
FB904 600 OHM
1 2
150KHz
5V@3A
TP903
1
ZD900
SMAL340XXXRO
1
2
R944
0 1/16W
VCC5_0
FB901 600 OHM
1 2
FB902 600 OHM
1 2
+
C932
470uF/16V
R933
2.2K 1/16W
C959
0.
1uF
+3.3V
R927
150
1/
16W
R929
15 1/16W
LIGHT-ON-OUT 3
D12V
TP907
1