Norcent LT2722
74
10.2 Power Board
L906
PFC CHOKE
5
10
8
12
6
7
C903
470PF/250V
R948
33 1/10W
C941
0.01uF/500V
J932
N.C
1
2
R956
N.C
D906
MLL4148
R981
NC
R955
10 1/10W
R975
1K 1/16W
R957
20 1/10W
D927
10A/150V
1
3
2
F901
5A_250V
ZD921
6.8V
R962
1K 1/8W
FOR BACKLIGHT 24V/5A
C964
0.01U 630V
C952
NC
L921
BEAD
Q942
IRFB3415
R913
330K 1/8W
C938
0.1uF
C927
1000PF
C942
2200PF/1KV(RR)
C970
0.0022uF/250V
IC941 L6565(DIP-8)
8
6
7
5
4
2
1
3
VC
C
GN
D
GD
ZC
D
CS
CO
MP
IN
V
VF
F
R911
330K 1/8W
C904
470PF/250V
D907
MLL4148
R967
2.2K
C922
2200PF 1KV
R921
100K 2W
+
C944
47uF50V
R974
33 1/8W
+
C957
10uF
D943
UF4003
T921
PQ2625/ Lp=635UH
9
5
4
3
1
11
8
12
7
10
R979
1K 1/16W
R917
3.3K 1/8W
Q926
BT169
D901
ML35
R931
1K 1/10W
R908
0 1/8W
CN951
10P/2.0mm
1
2
3
4
5
6
7
8
9
10
P2-1
R903
68K 1/10W
D905
MLL4148
ZD944
15V
C937
0.1uF/25V
C939
0.1uF
D948
MLL4148
Q941
STP10N70ZFP
R968
100
R958
2K 1/10W
C905
1.0uF/450V
D945
MLL4148
R950
0.36 2W
ZD931
9.1B
CN901
SOCKET
1
2
3
R965
10K 1/10W
IC923
KA431
C926
0.047uF/400V
+
C933
1000uF/25V
IC924
PC123FY2 4P
1
2
4
3
Q948
2SA733P
CN904
CONN
1
2
3
+
C950
1000uF/35V
R954
10 1/10W
20V/1.2A
L952
sence choke
1
3
2
4
L904
1
4
2
3
IC901 TDA4863-2G
8
6
7
5
4
2
1
3
VC
C
GN
D
GD
ZC
D
CS
CO
MP
IN
V
MULT
L901
180 uH
R916
3.3K 1/8W
CN931
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
CN921
12P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
Q922
3904
L953
common choke
1
3
2
4
+
C934
220uF/25V
R932
51K 1/10W 1%
PQ3225/Lp=390uH
+
C923
50V_10uF
L922
3.5UH
D928
20A/100V
1
3
2
D942
BA159
R906
620K 1/8W
R936
22 1/10W
R912
330K 1/8W
D941
BA159
R930
280K 1/10W 1%
R964
100K 1/10W
C958
470pF
R914
18K 1/10W
P1-1
+
C907
180uF/420V
ZD941
N.C
R959
11.5K 1/10W
IC922
PC123FY2 4P
1
2
4
3
Q943
IRFB3415
R918
N.C
R960
13K 1/10W
+
C925
50V_47uF
+
C955
470uF/35V
C936
0.01uF/50V
R910
10K 1/10W
P1-1
Q946
2SA733P
C911
0.001uF
ZD902
RLZ20B
C912
0.47uF/25V
C913
0.01U
R904
47 1/10W
R977
10K 1/16W
D944
MLL4148
D922
UF4003
R923
1M 1/8W
R925
6.8 1/10W
C901
0.22uF/250V
R978
24K 1/16W
C959
0.33uF
R976
1K 1/16W
R934
1K 1/10W
Q945
2SC945P
TOP246Y
IC981
2
3
4
1
5
7
L
X
S
C
F
D
FP130
IC927
2
3
4
1
5
Vs
s
Vi
p
Vi
n
out
Vcc
C914
0.1uF
D920
BA159
RJ905
8m
1
2
C915
0.0022uF/250V
R961
1.5K 1/10W
T951
POWER X'FMR
11
12
10
6
1
4
5
2
7
8
9
R920
10K 1/10W 1%
t
NR901
5A/3
C918
470PF
R952
6.8K 1/10W
C956
0.1uF
R938
470 1/4W
C929
N.C
-+
BD901
D10XB60
1
4
3
2
R953
56K 1/10W
C919
470PF
IC925
PC123
1
2
4
3
R945
47K 3W
t
NR902
5A/3
R927
2M 1/8W
+
C930
1000uF/35V
C910
0.1uF
ZD945
24V
R940
10K 1/10W
R924
1M 1/8W
R928
5.6K 1/8W
C921
0.1uF/500V
+
C949
1000uF/35V
ZD946
27V
R915
4.7K 1/8W
C928
N.C
Q924
DTC144WKA
P2-1
R907
620K 1/8W
+
C931
220uF/35V
C920
0.1uF
R966
1K 1/10W
D926
MLL4148
D904
MLL4148
R963
N.C
R902
680K 1/8W
5V/3.2A
R933
470 1/10W
L902
180 uH
Q923
2SC945P
R909
10K 1/10W
C906
N.C
+
C932
1000uF/25V
R901
680K 1/8W
CN903
CONN
1
2
3
R951
2.4K 1/10W
+
C948
1000uF/35V
R922
0 1/10W
L951
BEAD
+
C951
1000uF/35V
L903
1
4
2
3
C943
NC
R947
0 1/10W
R982
NC
CN952
12P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
IC943
KA431
RV901
Varistor
Q947
2SC945P
D925
MLL4148
R949
27K 1/10W
C908
0.01uF/500V
D902
FMX-G26S
C946
470PF
12V/1.5A
Q901
IRFP460A(TO-3P)
1
2
3
ZD942
13V
+
C909
50V_10uF
D947
MLL4148
R937
680 1/8W
L905
1
4
2
3
D921
BA159
D949
MLL4148
+
C945
47uF50V
C953
0.01U
D950
MLL4148
R905
0.27 3W
R926
2M 1/8W
IC942
PC123FY2 4P
1
2
4
3
D946
MLL4148
R919
0.27 3W
C924
0.1uF
C902
0.47uF/250V
L923
3.5uH
<Doc>
A
ADPF24180A2
Custom
1
2
Tuesday, March 29, 2005
Title
Size
Document Number
Rev
Date:
Sheet
of
R946
33 1/8W
R929
33 1/8W
R935
4.7K 1/10W
R973
47
Summary of Contents for LT2722
Page 20: ...Norcent LT2722 19 Remove panel Remove the four screws...
Page 21: ...Norcent LT2722 20 Remove the four screws The end...
Page 52: ...Norcent LT2722 51 8 PCB Layout 8 1 Main Board...
Page 53: ...Norcent LT2722 52...
Page 54: ...Norcent LT2722 53...
Page 55: ...Norcent LT2722 54...
Page 56: ...Norcent LT2722 55 8 2 Power Board...
Page 57: ...Norcent LT2722 56...
Page 58: ...Norcent LT2722 57 8 3 Key IR Board...
Page 59: ...Norcent LT2722 58 8 4 Earphone Board...
Page 61: ...Norcent LT2722 60 9 2 Power Board...