Toshiba 19DV550P Service Manual page 31

19-inch diagonal lcd tv/dvd combination
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A
B
8
7
FROM POWER
L7001
F7001
INV+B
1206FA5A-T
10uH
5A 32V
TSL0808
INV_GND
6
5
R7009
R7012
47K +-1%
220 +-1%
C7004
0.047 B
4
R7010
27K +-1%
R7007
R7013
220K +-1%
56K
C7003
330P CH
3
R7011
FROM POWER
R7001
R7003
R7008
100K 1/4W
LIGHT_CTL
2.7K 1/4W
4.7K
47K
2
R7004
INVERTER_H
1K 1/4W
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-37
C
BACKLIGHT INVERTER SCHEMATIC DIAGRAM
D7003
1SS133
R7035
W821
22 1/4W
D7006
1SS133
R7036_1
22 1/4W
TK30A06J3(ORION.Q)
INVERTER COTROL IC
IC7001
BD9882FV-E2
3.4
2.1
C7011
DUTY
VCC
1 B
1.5
3.1
BRT
FAIL
C7012
R7023
1.3
0
0.01
B
N1
BCT
10 1/4W
0
1.5
RT
PGND
1.7
R7024
0
SRT
N2
10 1/4W
1.1
C7008
0
CT
SCP
0.47 B
0
C7009
0
INV GND
SS
0.1
B
0
C7010
3.1
FB
REG
0.1 B
0.1
IS
COMP
R7017
R7019
1.5
0.1
10K
10K
VS
STB
R7018
5.1
10K
R7014
15K 1/4W
FEED BACK
0
Q7003
D
3.7
R7056
2SK3018T106
G
4.7K 1/4W
S
0
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(POWER PCB)
T7001
8135109G
12.4
1
8
12.6
2
7
12.6
3
6
12.4
4
5
DRIVE
Q7005
12.4
TK30A06J3(ORION.Q)
D
2.6
G
S
0
12.4
D
2.6
G
S
DRIVE
0
Q7004
T7002
8135109G
12.4
1
8
12.6
2
7
12.6
3
6
12.4
4
5
D7002
1SS133
D7004
1SS133
D7005
1SS133
9.1
4.8
2.8
10.3
2.8
4.8
9.1
1
2
3
4
5
6
7
Vcc
GND
14
13
12
11
10
9
8
9.1
4.8
2.8
0
2.8
4.8
9.1
NC
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
HIGH VOLTAGE
R7049
IS_DET1
D7014
10 1/4W
MA111
3.1
0
VS_DET
0
INV_SGND
3.1
D7013
R7050
IS_DET2
MA111
10 1/4W
HIGH VOLTAGE
3.1
0
R7051
IS_DET3
D7011
10 1/4W
0
MA111
3.1
VS_DET
INV_SGND
D7012
R7052
IS_DET4
MA111
10 1/4W
C7025
0.001
B
R7044
R7043
330K
330K 1/4W
C7023
0.001 B
C7024
0.001
B
R7041
330K
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
CD7005
CN1
E82E1203
7
HV
1
NC
NC
2
NC
NC
3
HV
1
NC
NC
4
LV
2
NC
NC
5
NC
NC
6
LV
7
LV
8
NC
NC
9
NC
NC
10
LV
2
NC
NC
11
HV
1
NC
NC
12
6
NC
NC
13
CN2
HV
14
HIGH VOLTAGE
CD7006
5
E82E1203
CN3
HV_
1
NC
NC
2
NC
NC
3
HV_
1
NC
NC
4
LV
2
NC
NC
5
NC
NC
6
LV
7
LV
8
NC
NC
9
NC
NC
10
LV
2
NC
NC
11
HV_
1
NC
NC
12
4
NC
NC
13
CN4
HV_
14
3
2
PCB240
CEG362
1
G
H
19DV550P/19DV551P
H-38

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