RCA L19WD20 Service Manual page 53

19'' LCD TV
FL900
EMI FILTER
C901 C963
0.1uF 0.001uF
CN901
1
2
3
4
5 C949
6 0.1uF
7
8
9 FB904 600OHM
10
11 2 1
12
FB915 300 OHM
CONN C945
100pF/50V
+5VSB
Q909
D5V1
1 8
S1 D1
2 7
S1 D1
3 6
S1 D1
4 5
G1 D1
C966
R961 C973 0.22uF R967
47KΩ 1/10W 47KΩ 1/10W
0.22uF AO4403
R968
22KΩ 1/10W
Q910 R962
RELAY -SW
10KΩ 1/10W
2SC2412KR
R963
47KΩ 1/10W
D5V1 D5V
1 3
+
FL901
EMI FILTER C928
220uF/10V
U911
D5V1 FL902
EMI FILTER
1 3 1
VCC
R943
NC/0R
+
C951
220uF/10V C952
C950
0.1uF NC/0.1uF
R944
0Ω 1/10W
P12V
FROM
1 3
POWER
BOARD
+ C943
100uF/16V D5V1
+5VSB C968
1 3 + C969
NC/ 22uF/16V
FL904 NC/0.1uF
C965 EMI FILTER +
C940
0.001uF
220uF/10V
R940
LIGHT-ON-OUT
100Ω 1/10W
BACKLIGHT-CNTRL-OUT
C947
100pF/50V
C930
22uF/16V
P12V
Q911 D12V
1 8
S D
2 7
S D
3 6
S D
4 5
G D
C967
C974 0.22uF
AO4411
0.22uF
R969
22KΩ 1/10W
Q912 R964
RELAY -SW
10KΩ 1/10W
2SC2412KR
+3.3V
C955
NC/0.0012uF
R945
5.1KΩ 1/10W
2 L902
150KHz
OUT
1 2
5V@3A
1 2
ZD901
C954
220uF/10V +
R946
3KΩ 1/10W
SMAL340 C953
0.1uF
Power & Ground 5
U912 D3V3_P D5V1
NC/AIC1084-PM
3 2
VIN VOUT
+
C971 C972
R965 NC/47uF/16V NC/0.1uF
+
C970 R966
NC/ 10uF/16V
VCC3V3_DM
U906
AIC1084-PM
3 2
VIN VOUT
+ C937
C921
0.1uF R927
47uF/25V
+
C925 R934
10uF/16V
R929
15Ω 1/10W
FB902 VCC3_3
+3.3V
2 1
C905
+ 47uF/16V
FB900
VCC3V3_G9
2 1
+
C914
47uF/16V
FB901
VCC3V3_DM
2 1
+
C936
47uF/16V
TP901 TP902 TP903 TP904
53
U907
FL903
EMI FILTER
1 3 1
VCC
R937 150KHz
NC/0R
5V@3A
+
C927
220uF/10V C939
C923
0.1uF NC/0.1uF
R938
0Ω 1/10W
D5V U903
AIC1084-PM
3
VIN VOUT
C919
C931 +
VCC1V8_DM 22uF/16V
0.1uF
+ +
C920 C924
0.1uF 10uF/16V
12V
R936 5.6Ω 2W
D12V
D12V
R935 5.6Ω 2W
+
C932
470uF/16V
GND_PWR GND_PWR
VCC9A
R930
18Ω 3W
R931
18Ω 3W
+ C934
47uF/16V
GND_PWR
TP905 TP906 TP907 TP908
Title
Page 18 - Power and Regulator
Size Document Number
B T2142-F-X-X-3-061101
Date: Friday , Nov ember 03, 2006
RCA L19WD20
VCC1V8_G9
C938
NC/0.0012uF
1KΩ 1/10W
R932
2
OUT
1 2
1 2
ZD900 L901
C929
+
220uF/10V
R933
2.2KΩ 1/10W
SMAL340 C915
0.1uF
VCC2_5
2
+
C909 C904
R926 47uF/16V 0.1uF
R928
VCC9A
U909
9V
1 3
IN OUT
C922 BA17809FP-E2 + C933
0.1uF
47uF/25V
GND_PWR GND_PWR
VCC5_0
U908
1 3
IN OUT
BA05FP-E2 + C935
47uF/16V
C916
0.1uF
GND_PWR
Rev
F
Sheet 18 of 19