Power Board - Dell W2607C Service Manual
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Also See for W2607C:
- Owner's manual (179 pages) ,
- Supplementary manual (4 pages) ,
- Product information manual (2 pages)
Table of Contents
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12.2 Power Board
VCC2
N.C Q924
PMBS3906
N.C D925
N.C R122
N.C C988
0.8A/200V SOD-123
N.C C987
4.7K
1/10W
0.1uF
0.1uF/50V/1206
N.C R121
D901
68K
1/8W
1N5406
L908
L904
PFC CHOKE PQ3225
C974
D902
!
YG972S6R
0.01UF/1KV
C929
0.01UF/1KV
C911
1uF/450V
!
R903
R907
620K
1/8W
68K
1/10W
L903
!
120UH
R904
620K
1/8W
C910
+
1uF/450V
R905
C913
0
1/8W
C914
22uF/50V
!
0.1uF
FA5500AN
2
3
BD901
!
D10XB60
R906
C915
10K
1/10W 1%
0.01uF
C916
220pF
N.C D111
VCC2
2
3
!
L911
N.C R111
N.C R112
BA159G
4.7M
1/8W
4.7M
1/8W
1
4
N.C C111
0.01UF/1KV
C908
0.22uF/250V
!
C902
C905
1000PF/250V
1000PF/250V
!
!
C912
1uF/450V
2
3
VCC1
!
L902
1
4
C909
0.22uF/250V
!
C903
C904
1000PF/250V
1000PF/250V
IC903
!
!
STR-A6252
2
3
L901
1
4
C953
R900
R902
R969
0.22uF/25V
390K
1/8W
390K
1/8W
0.82
2W
C954
4700PF/25V
!
!
!
R901 390K
1/8W
RV901
Varistor
!
NR901
!
F901
!
5A/3
5A/250V
!
R973
100K
1/10W
CN901
3P/3.96mm
R974
16K
1/10W
R920 0
1/8W
2
3
10K
1/8W
240
1/8W
+
N.C R123
R921
R922
10K
1/10W
C920
22uF/50V
1
Q910
J916
PMBS3904
VCC3
1
N.C Q925
ZD901
0
1/6W
PMBS3904
RLZ15B
Demag The auxiliary FLYBACK signal
ensures discontinuous operation and
B+
offers a fixed
overvoltage detection level of 7.2
V.
+
!
C921
C985
C907
0.01UF/1KV
0.01UF/1KV
MXY 150uF/450V 25*35
R915
330K
1/8W
R908
D903
0
1/10W
LL4148WP
!
R909
22
1/10W
Q901
R949
STP20NM60FP
20K
1/10W
C923
R910
82PF
IC902
20K
1/10W
R916
VCC3
330K
1/8W
1
8
Demag
HV
2
7
FB
N.C
R911
3
6
CS
Vcc
470
1/10W
C926
4
5
GND
Drv
IC901
R912
R917
470PF
0.15
3W
330K
1/8W
NCP1377
C924
C925
C918
N.C ZD902
0.1uF
1000PF/50V
RLZ5.1B
4.94~5.20V
R918
18K
1/10W 1%
R914
10K
1/10W
R919
10K
1/10W 1%
C927
470PF
VCC Increasing Level at which the
C917
Current Source Turns.Off 6 VCCON
N.C IC111
0.47uF/25V
1
4
11.6
12.5
OUT
GND
2
3
VIN
N.C
N.C R113
4.7M
1/8W
NCP305
N.C C112
D909
0.1uF
LL4148WP
N.C R114
330K
1/8W
R999
100
1/8W
R997
B+
100
1/8W
!
T902
R998
EFD25/ Lp=?UH
100
1/8W
L907
D920
C965
3.5UH
1
6
1000PF/1KV
R965
7
C950
100K 2W
1000PF/1KV
D916
FMW-2156
+
+
9
C957
BA159G
D917
10
1000uF/16V
C958
1000uF/16V
BA159G
3
D918
R970
UF4003
5R1
1/8W
4
C952
+
C951
5
0.1uF
47uF/50V
R976
470
1/6W
VFB
R979
10K
1/6W
C963
IC911
R977
0.1uF
PC123FY2 4P
2K
1/10W
0
1/10W
!
R978
C962
0.1uF
R980 1K
R971
1/10W
IC922
1K
1/10W
KIA431
D919
+
C955
R982
LL4148WP
10uF/50V
200K
R972 4.7K
1/10W
Q912
PMBS3906
1
1
Q913
PMBS3904
+
C956
C972
10uF/50V
0.1uF
!
C901
1000PF/250V
C900
1000PF/250V
FME-220B20A/150V
!
D931
T901
ER4224 Lp=?UH
8
16
15
7
14
FME-220B20A/150V
R925
D932
47K
3W
6
C922
D906
D907
0.0022uF/1KV
BA159G
BA159G
5
9
R926
3
C930
10
10K
1/10W
13
!
12
R927
1
11
1000PF/1KV
10K
1/10W
D908
LL4148WP
D910
R928
22
1/10W
Q902
STP10NK80ZFP
20A/150V
C938
R939
!
+
C973
N.C ZD910
R929
RLZ18B
0.1uF
20K
1/10W
1000PF/1KV
47 /1W
47uF/50V
R935
20K
1/10W
R930
100
1/10W
R931
N.C ZD911
RLZ2.2B
0.22
3W
13.7 V
VCC3
R941
470
1/6W
R932
10K
1/10W
+
C928
22uF/50V
R942
2K
1/10W
5VS
IC910
PC123FY2 4P
!
0
1/10W
C943
R943
0.1uF
+
C960
C959
0.1uF
470uF/16V
ZD906
IC921
KIA431
RLZ5.6B
D921
LL4148WP
VCC1
R981
VCC2
10K
1/10W 1%
R987
Q914
33K
1/10W
2
3
PMBS3906
N.C R966
R984
10K
1/10W
1K
1/10W
R985
R986
ZD909
R983
10K
1/10W
1K
1/10W
10K
1/10W 1%
2
1
RLZ15B
1/10W
IC912
PC123FY2 4P
!
DTC144WKA
Q916
Q915
1
PMBS3904
1
C966
C964
0.1uF
0.1uF
Q923
PMBS3904
78
24VS
24VIN
L905
RJ901
1
+
C931
+
C933
3.5UH
+
C935
C932
470uF/35V
+
1000uF/35V
1000uF/35V
1000uF/35V
R950
R951
1K
1/16W
1K
1/16W
R940
24V
IC931
5
Vcc
out
47 /1W
FP130
51K==>5.7A
SMD4148
TVS901
56K==>5.0A
P6KE12A
12VIN
L906
RJ902
1
2
3.5UH
!
+
C939
+
C941
470uF/25V
1000uF/25V
!
F902
R989
JUMPER
12V
24VIN
16V
R990
R944
10K
1/10W
43K
1/10W 1%
C944
0.1uF
ZD903
MTZJ27B(24.97~26.26V)
ZD904
ZD905
R946
MTZJ15B(13.89~14.62V)
15K
1/10W 1%
MTZJ24B(22.61~23.77V)
R945
D913
D914
D915
LL4148WP
LL4148WP
LL4148WP
0
1/10W
R947
1.5K
1/10W 1%
S_PROTECTION
24VS
N.C J938
5V
jumper
Q907
AO4411
audio power
R104 10K
1/10W
1
8
S1
D1
2
7
IC101
S1
D1
3
6
1
2
S1
D1
VIN
SWout
4
5
C961
G1
D1
SI-8120
0.1uF
4
VOS
D933
LL4148WP
Q101
PMBS3904
S_PROTECTION
C101
1
0.1uF
R991
470
1/8W
R994
1.5K
1/10W
Q102
R105 1K
PMBS3904
1/10W
1
AUDIO
SCR901
2N5060
2
R988
PS
CN924
1K
1/10W
PS
1
2
R993
3
1
C967
R995
4
1uF
1K
1/10W
5
5V
1K
1/10W
6
7
8
C968
R992
9
5VS
0.1uF
470
1/8W
9P/2.0mm
Dell W2607C
FOR BACKLIGHT
24V/4.5A
24V
CN921
1
2
2
3
8m
4
C936
5
0.1uF
6
7
8
9
10
11
12
R952
13
1K
1/16W
14
14P/2.0mm
R953
CN922
1
1K
1/16W
Q921
PMBS3904
1
R954
2
C970
3
56K
1/16W
0.1uF
4
5
51K==>6.0A
6
7
DIP4148
D923
8
56K==>5.4A
1N4148
9
10
S_PROTECTION
10P/2.0mm
12V
8m
ְךFUSE
CN923
1
2
3
4
AUDIO ON/OFF
5
6
7
8
9
CN925
10
11
1
12
C969
2
R30-250(30V/2.5A)
3
4
12P/2.0mm
0.1uF
4P/2.0mm
12V
12V
12VIN
R956
R955
1K
1/16W
R957
1K
1/16W
1K
1/16W
IC932
R958
5
1
1K
1/16W
Q922
Vcc
out
PMBS3904
R959
FP130
120K
1/16W
C971
0.1uF
120K==>2.7A
D924
1N4148
150K==>2.2A
S_PROTECTION
16V
L101
FB101
45UH
BEAD
R101
620
1/10W
R102
620
1/10W
+
C102
C103
D101
1000uF/35V
0.1uF
R103
SR54
1K
1/8W
Thursday, March 09, 2006
Title
715L1624-C-D2
Size
Document Number
Rev
Custom
DELL 26" TV
A
Date:
Sheet
1
of
2
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