63
10.2 Power Board
715G3760P01W20003M
B+
1
2
t
NR901
NTCR
IC971
AS431AZTR-E1
+
C975
470uF 35V
R983
1K 1/8W
Q903
2SK4101LS
R966
5.1K 1/4W
+5VS
Vcc
Vcc
C915
220pF 50V
Vcc_1
R931
2.4 OHM 1/4W
FB
R918
10K 1/8W
R919
NC
R932
10 OHM 1/8W
D930
PR1007
C922
0.1uF 50V
1
2
3
D950
SBT15006JST
R982
10K 1/8W
1
2
FB901
BEAD
C904
0.47UF
C951
1N 50V
1
2
4
3
IC951
PC123X8Y FZOF
!
C928
0.001uF/250V
1
2
FB902
BEAD
C977
0.1uF 50V
B+_390V
+
C937
10uF/50V
RV904
NC
R9906
51K 1/8W
Vcc_1
+5VS
2A
R950,R951 100OHM 1/4W
C950,C951 0.001uF
C916
NC
C919
NC
+24V
R930
3.9K 1/8W
C955
220N 50V
Q950
PMBS3904
R958
-1% 1/8W
C929
0.001uF/1KV
L950
3.5uH
C960
1N 50V
R929
10K OHM
R912
0.2OHM2W
R952
100 OHM 1/4W
R924,R925,R926
1.5M 1% 1/4W
PS_ON
A5V
+5V
R944
10K 1/8W
R9401,R9402,R9403,R9404
100K 1/4W
+
C914
47uF/50V
1
2
FB903
BEAD
R968
2.2K 1/4W
C944
220pF 50V
1
4
2
3
L901
20.0MH
C912
56P 50V
1
2
4
3
IC970
PC123X8YFZOF
1
2
D906
RB551V-30
R987
27K +-1% 1/8W
R946
0.33 OHM 2W
!
C978
0.1uF 50V
Q911
NC
R907
2.4 OHM 1/4W
+
C957
1000uF 25V
R9402
100K 1/4W
R901
300K 1/4W
R937
4.7 MOHM +-5% 1/4W
R968,R969,R972,R973 2.2K 1/4W
R965,R966,r967 5.1K 1/4W
R955
1K 1/8W
R965
5.1K 1/4W
1
2
ZD901
MTZJ T-72 16B
!
1
2
ZD902
MTZJ T-72
B+
R9403
100K 1/4W
R905
1M5 1/4W 1%
R904,R905,R909
1.5M 1% 1/4W
2
1
3
Q901
STW26NM60
!
!
D901
PR1007
!
Vcc_1
F901
5A 250V
D903
1N4148
+
C924
100uF M 450V
+12V
R960
1K 1/8W
R914
10K 1/8W
5.6B
R909
1M5 1/4W 1%
+12V
IC952
AS431AZTR-E1
+12V
R9404
100K 1/4W
!
D904
1N5408-P
1
3
5
4
7
6
9
10
2
T901
POWER X'FMR
R913
33 OHM 1/8W
C939
0.001uF/1KV
Q905
KTA1273-Y- AT/ P
C979
0.1uF 50V
R916
0.2OHM2W
C920
10nF 50V
R953
100 OHM 1/4W
2
1
3
4
-
+
BD901
GBJ1008
+
C941
10uF/50V
C907
0.1uF 50V
3 OHM 7A
Q970
PMBS3904
1
2
ZD952
TZJ T-72 30B
C942
0.1uF 50V
R924
1M5 1/4W 1%
R963
10K 1/8W
!
R943
22 OHM 1/8W
L951
3.5uH
1
2
3
5
6
7 8 9
10 11
12
L904A
NC
1
4
2
3
L903
20.0MH
C961
1N 50V
R920
680K OHM +-1% 1/4W
R978
-1% 1/8W
!
!
R956
1K 1/8W
R974
1K 1/4W
R9211
100K 1/4W
R910
NC
R908
2.4 OHM 1/4W
1.5A
R9211,R9212,R9213,R9214
100K 1/4W
+24V
PDIM
+5VS
!
R959
150K 1/8W
+12V
+5V
PS_ON
ACD
1
2
3
4
5
6
7
8
9
10
11
12
13
CN902
CONN
ON/OFF
L_1
!
R915
470 OHM 1/8W
L_2
D935
PR1007
R969
2.2K 1/4W
ZCD
L980
3.5uH
C921
0.1uF 50V
R970
100 OHM 1/4W
1
2
3
CN901
SOCKET
R961
1K 1/8W
L_1
L_2
B+_390V
IN
V
1
CO
M
P
2
MO
T
3
CS
4
ZC
D
5
GN
D
6
OU
T
7
VC
C
8
IC901
FAN6961
C909
1N 50V
Vcc_1
C943
0.1uF 50V
!
1
2
ZD951
MTZJ T-72 16B
R972
2.2K 1/4W
D955
1N4148
Vcc_2
+
C925
100uF M 450V
R902
300K 1/4W
C902
680pF
1
2
HS8
HEAT SINK
1
2
HS9
HEAT SINK
C918
470N 50V
!
1
2
HS6
HEAT SINK
1
2
D905
RB551V-30
1
2
HS20
HEAT SINK
R973
2.2K 1/4W
1
2
HS21
HEAT SINK
+
C954
470uF/16V
1
2
HS1
HEAT SINK
1
2
HS5
HEAT SINK
R941
NC
R971
100 OHM 1/4W
+
C972
470uF 35V
RV901
NC
R928
1-1% 1/8W
C911
10NF1KV
R938
10K 1/8W
Vcc_2
C903
680pF
R903
300K 1/4W
R949
5.1K 1/4W
+
C931
100uF 50V
!
R976
10K 1/8W
1
2
4
3
IC950
PC123X8YFZOF
R933
10 OHM 1/8W
D902
FMN-1106S
R950
100 OHM 1/4W
C970
1N 50V
C976
0.33uF 50V
1
2
3
D952
FME-210B
!
R940
1K 1/8W
1
2
11 12
8
7
L904
170 UH
C956
0.1uF 50V
Q921
KTD1691/P
ACD
R921
680K OHM +-1% 1/4W
+
C959
470uF/25V
R906
510K 1/8W
C908
0.1uF 50V
R975
3.9K 1/8W
R925
1M5 1/4W 1%
!
C901
0.47UF
R945
470 OHM 1/8W
D940
PR1007
L
1
N
2
CN903
NC
R922
680K OHM +-1% 1/4W
1
2
4
3
IC954
NC
R911
47K 1/8W
R981
1K 1/8W
R957
-1% 1/8W
A5V
R926
1M5 1/4W 1%
!
!
C950
1N 50V
Q910
PMBS3904
R9212
100K 1/4W
R954
100 OHM 1/8W
R923
-1% 1/8W
R9401
100K 1/4W
ACD
R9907,R9908 10K
R9909 100K
R988 16.9K
R989 33K
R979
NC
R9907
NC
R9908
NC
C913
0.1uF 50V
R917
20K 1/8W
!
R9905
1K 1/8W
ZCD
R9909
NC
1
2
3
D951
FMEN210A
R988
NC
R9213
100K 1/4W
R989
NC
D954
1N4148
4
5
3
7
8
9
10
11
12
T902
POWER X'FMR
C926
10nF
R939
10K 1/8W
C910
1UF450V
R947
5.1K 1/4W
C927
470pF/250V
+
C953
330uF 16V
R948
0.1 ohm
!
R934
1K 1/8W
R942
51K 1/8W
C974
0.1uF 50V
1
2
FB907
BEAD
+5V
R920,R921,R922
680K 1% 1/4W
+24V
R9214
100K 1/4W
FB_1
S/OCP
1
BR
2
GND
3
FB/OLP
4
VCC
5
D/ST
7
D/ST
8
IC902
A6069H
R904
1M5 1/4W 1%
+24V
+
C973
470uF 35V
2.5A
R970,R971 100OHM 1/4W
C970,C971 0.001uF
R951
100 OHM 1/4W
BNO
1
COMP
2
(-)LATCH
3
CS
4
GND
5
OUT
6
VCC
7
OVP
8
IC903
LD7523A
+
C933
22uF/50V
R980
2KOHM +-1% 1/8W
FB
FB_1
C971
1N 50V
C917
47N 50V
Summary of Contents for L42C1180
Page 7: ...7 2 2 To Use the Menus ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 19: ...19 4 Mechanical Instructions Step1 Remove the REAR COVER and BASE Step2 Remove the BKT ...
Page 20: ...20 Step3 Remove the BKT Step4 Separate the INVERTER BOARD ...
Page 21: ...21 Step5 Remove the MAIN BOARD and POWER BOARD Step6 Separate the BEZEL and PANEL ...
Page 22: ...22 Step7 Remove the LED BAORD IR BOARD KEY BOARD and SPEAKERS ...
Page 30: ...30 6 PCB Layout 6 1 Main Board 715G3269M01001005K ...
Page 31: ...31 ...
Page 32: ...32 6 2 Power Board 715G3760P01W20003M ...
Page 33: ...33 ...
Page 34: ...34 ...
Page 35: ...35 715G3967P01000003S ...
Page 36: ...36 715G3966P01000003H ...
Page 37: ...37 6 3 LED Board 715G4252T02000004S 6 4 Key Board 715G4234K02000004S ...