Toshiba 19LV505 Service Manual page 117

A B
8
7
FROM POWER
F7001 L7001
INV+B
1206FA5A-T 10uH
TSL0808
5A 32V
6
INV_GND
5
INVERTER COTROL IC
IC7001
2.1
R7009 R7012 1.5
47K +-1% 220 +-1%
4
C7004
1.3
0.047 B
R7010
1.5
33K +-1%
1.7
R7007 R7013
180K +-1% 82K
C7003 1.1
330P CH
0
INV GND
0
0.1
3
IS
0.1
R7014
FROM POWER
15K 1/4W
R7011
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-53
C
BACKLIGHT INVERTER SCHEMATIC DIAGRAM
D7003
DRIVE
Q7005
1SS133
TK30A06J3(ORION.Q)
R7035
W821
22 1/4W
D7006
1SS133
R7036_1
22 1/4W
DRIVE
Q7004
TK30A06J3(ORION.Q)
BD9882FV-E2
3.4
C7011
DUTY VCC
1 B
3.1
BRT FAIL
C7012
R7023
0 0.01 B
N1
BCT
10 1/4W
0
RT PGND
R7024
0
SRT N2
10 1/4W
C7008
0
CT
SCP
0.47 B
C7009
0
SS
0.1 B
C7010
3.1
FB REG
0.1 B
COMP
R7017 R7019
1.5
10K 10K
VS STB
R7018
5.1
10K
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
8135113G
12.4 3.1
1 8
12.6 0
2 7
12.6 0
3 6
3.1
12.4
4 5
12.4
D
2.6
G
S
0
12.4
D
2.6
G
S
0
T7002
8135113G
3.1
12.4
1 8
12.6 0
2 7
12.6
0
3 6
12.4 3.1
4 5
D7002 1SS133
D7004 1SS133
D7005 1SS133
R7043
9.1 4.8 2.8 10.3 2.8 4.8 9.1 C7023
1 2 3 4 5 6 7
0.001 B
Vcc
GND
14 13 12 11 10 9 8
9.1 4.8 2.8 0 2.8 4.8 9.1
R7042
330K 1/4W
C7021
0.001 B
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
HIGH VOLTAGE
R7049
IS_DET1
D7014
10 1/4W NC
MA111
NC
NC
NC
VS_DET NC
INV_SGND
NC
D7013 R7050
NC
IS_DET2
MA111 NC
10 1/4W
NC
NC
HIGH VOLTAGE
NC
NC
NC
NC
R7051
IS_DET3 NC
D7011 10 1/4W
MA111
NC
NC
NC
VS_DET
NC
INV_SGND
NC
D7012
MA111
R7052
IS_DET4
10 1/4W
C7025
0.001 B
R7044 330K
330K 1/4W
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
7
CD7005
CN1
E82E1201
HV 1
NC 2
NC 3
HV 1
NC 4
LV 2
NC 5
NC 6
LV 7
LV 8
NC 9
NC 10
6
LV 2
NC 11
HV 1
NC 12
NC 13
CN2
HV 14
HIGH VOLTAGE
5
CD7006
E82E1201 CN3
HV_ 1
NC 2
NC 3 HV_ 1
NC 4 LV 2
NC 5
NC 6
LV 7
LV 8
NC 9
NC 10
4
LV 2
11
NC
HV_ 1
12
NC
NC 13
CN4
HV_ 14
3
2
PCB240
CEG362
1
H
22LV505
H-54