Toshiba 19DV616DG Service Manual page 163

A B
8
4A 125V
FROM POWER
INV+B
20N_4000FS
INV_GND
7
6
LV
R7064 270K +-1%
LI
R7012 100K 1/16W +-1%
R7002 560K 1/4W
C7006 50V
D7001
R7003 560K 1/4W
REF
MA111
50V
5 C7007
R7007
SH
180K
R7013 82K 1/16W +-1%
1.2
OPEN LAMP
R7015 220K1/16W +-1%
F CHANGE SW
0
Q7002 C7008 16V 0.068
0
KTC3875S_Y_RTK
C7009 25V
C7010
50V 0.01
R7016
FROM POWER 1/16W
3.9K
4
R7001 R7005 R7009
LIGHT_CTL
2.7K 1/16W 4.7K 47K 1/4W
1/4W
R7010
INVERTER_H
1K 1/4W
GND1
C7040
GND
50V 0.1 B
3
2
4A 125V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
1
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE
CAUTION
:F7001 IS MANUFACTURED BY SKYGATE CO.,LTD., TYPE 20N.
A B
H-91
C
BACKLIGHT INVERTER SCHEMATIC DIAGRAM
F7001
4A 125V
W805
CONECT POINT
INVETER_CTL_IC
IC7001 MP1008-ES-LF-Z
0.7 0
LV AGND
1.33
0
LI PGND
2.4
3.3
0.0039 B
COMP LG
0.6
6.0
10 YXF
FT VCC
1.2
R7017
16.0
SWSET OUT
22K +-1% C7012
3.0
R7018 25V 0.047 B
18.0
BRSET UG
1K +-1%
B
1.2 D7002
20.0
0.1 B
DBRT BT
1SS133
R7023
2.5
24.0
EN VIN
B 10 1/4W
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
4A 125V(F7001)
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
4A 125V(F7001)
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(POWER PCB)
DRIVE
24.0 Q7001
D
ATP207
R7021
UG G
18.0
22 1/4W 16.0
S
W830
OUT
DRIVE
Q7005
16.0
D
ATP207
R7022
LG G
3.3
22 1/4W 0
S
INV_GND
LG
OUT
UG
REF
LV
VIN
LI
PROTECT SW
Q7006
SH
KTC3875S_Y_RTK
0
R7068
0.6 10K
OVP LEAK PROTECT SW
0
Q7007
KTC3875S_Y_RTK
0.6
R7028 R7030
0 220K 2.2K
0
R7050
REF
220K OPEN LAMP
PROTECT SW
Q7004
OPEN LAMP KTC3875S_Y_RTK
0
PROTECT SW
0.6
Q7003
KTC3875S_Y_RTK OPEN LAMP
0
0.6
PROTECT SW
R7020 0
Q7008
KTC3875S_Y_RTK
0 22K
0 0.6
0
0
OPEN LAMP
PROTECT SW
Q7009
0.6
0
KTC3875S_Y_RTK
0
OPEN LAMP
PROTECT SW 0.6
0
Q7010
KTC3875S_Y_RTK
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F
IS_DET1
R7046
680
R7047
680
IS_DET2
R7042
HIGH VOLTAGE +
4.7K 1/16W
C7024 C7023
50V 0.0022 B 6KV 15P SL
T7001 8137002R
VS_DET1
1 8
0 800
R7043 4.7K
2 7
0
0
C7025 C7026
3 6
12.0 0 50V 0.0022 B 6KV 15P SL
VS_DET2
4 5
12.0 800
HIGH VOLTAGE +
T7002 8137002R
HIGH VOLTAGE -
1 8
12.0 800 VS_DET3
C7028 C7027
2 7
12.0 0
6KV 15P SL
50V 0.0022 B
3 6
R7044
0 0
4 5 4.7K
0 800
VS_DET4
C7030
C7029 0.0022 B
6KV 15P SL
R7045 4.7K
HIGH VOLTAGE -
IS_DET3
R7048
680
R7049
680
IS_DET4
D7007
VS_DET1
MA111
D7008
VS_DET3
MA111
D7009
VS_DET2
MA111
R7033_1
D7010
VS_DET4
22K
MA111
R7031
18K 1/4W
+-1%
R7032 R7036
IS_DET2
56K 1/4W 22K +-1%
R7037
IS_DET4
22K +-1%
D7005 R7038
VS_DET1
MA111 22K
R7039
VS_DET3
22K
D7006 R7040
VS_DET2
MA111 22K
R7041
VS_DET4
22K
R7060 D7003
IS_DET1
22K 1SS133
R7061 D7004
IS_DET3
22K MA111
R7062 D7015
IS_DET2
22K 1SS133
R7063 D7016
IS_DET4
22K MA111
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
CN1
CP7001
NC C3502WR0-2P-HK
LV 2
LV 2
HV 1
HV 1
NC
7
CN2
CP7002
NC C3502WR0-2P-HK
LV 2
LV 2
HV 1
HV 1
NC
CN3
CP7003
NC
C3502WR0-2P-HK
LV 2 LV 2
HV 1 HV 1
NC
6
CN4
CP7004
NC
C3502WR0-2P-HK
LV 2 LV 2
HV 1 HV 1
NC
5
4
3
2
PCB240
CEH433
CAUTION: DIGITAL TRANSISTOR
1
G H
22DV616DG
H-92