Toshiba 15LV505 Service Manual page 84

A B
8
7
FROM/TO POWER
F7001
INV+B
1206FA5A-T
5A 32V
INV_GND
6
W809
GND
POWER_ON_H
R7015
5
2.1
R7009 R7012 1.5
47K +-1% 220 +-1%
C7004
1.3
0.047 B
R7010
4 1.5
33K +-1%
1.7
R7007 R7013
150K +-1% 82K +-1%
C7003 1.1
330P CH
0
0
0.1
0.1
3
R7014
15K 1/4W
R7011
FROM/TO POWER
R7001 R7003 R7008 100K 1/4W
LIGHT_CTL
2.7K 4.7K 47K
INV_SGND
2
R7004
INVERTER_H
1K
5A 32V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
1
REPLACE ONLY WITH THE SAME TYPE FUSE
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE
A B
H-33
C
BACKLIGHT INVERTER SCHEMATIC DIAGRAM
D7003
1SS133
R7035
22 1/4W
D7006
POWER ON SW
1SS133
Q7002
R7036
KTA1505S-Y-RTK/P
22 1/4W
12.9 12.8
12.2
22K
0
POWER ON SW
Q7001
5.9 KRC103SRTK
0
INVERTER COTROL IC
IC7001 BD9882FV-E2
C7011
12.8
DUTY VCC
25V 1 B
3.1
BRT FAIL
C7012
R7024
0 0.01 B
N1
BCT
10
0
RT PGND
R7023
0
SRT N2
10
C7008
0
CT
SCP
0.47 B
C7009
0
INV GND SS
0.1 B
C7010
3.1
FB REG
0.1 B
IS COMP
R7017 R7019
D7012
1.5
MA111
10K 10K
VS STB
R7018
5.1
10K
FEED BACK
0
Q7003
D 3.7
2SK3018T106
G
S
0
CAUTION
:F7001 IS MANUFACTURED BY SKYGATE CO.,LTD., TYPE 20N.
5A 32V(F7001)
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
5A 32V(F7001) WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(POWER PCB)
Q7005 FSS275-TL-E
0 S D 12.4
0 S D 12.4
T7001
0 S D 12.4
8135109G
2.6 G D 12.4 12.4
1
12.6
2
12.6
3
Q7004 FSS275-TL-E
0 S D 12.4 12.4
4
0 S D 12.4
0 S D 12.4
2.6 G D 12.4
R7047 D7004
4.7K 1/4W 1SS133
D7005
1SS133
R7056
14
4.7K
D7001
1SS133
D7002
1SS133
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F
HIGH VOLTAGE
D7014
R7049
IS_DET1
3.1
MA111
10
8
0
7
VS_DET
0
INV_SGND
6
3.1
5 D7013
R7050
IS_DET2
MA111
10
HIGH VOLTAGE
C7024
0.001 B
R7041 D7008
IS_DET2
470K 1SS133
9.1 4.8 2.8 10.3 2.8 4.8 9.1
1 2 3 4 5 6 7
Vcc
GND
13 12 11 10 9 8
9.1 4.8 2.8 0 2.8 4.8 9.1
R7042 D7007
IS_DET1
470K 1SS133
C7021
0.001 B
ATTENTION
ARE :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 E82E0604 CN1
HV 1
7
NC NC
NC NC
HV 1
NC NC
LV 2
NC NC
NC NC
LV 7
LV 8
NC NC
NC NC
LV 2
NC NC
HV 1
NC NC
NC NC
CN2 6
HV 14
HIGH VOLTAGE
5
4
3
2
PCB240
CEH421
CAUTION: DIGITAL TRANSISTOR
1
G H
H-34