Toshiba SD-P1850SN Service Manual page 18

1 2
A SD-P1850 TH CIRCUIT DIAGRAM (INVERTER)
HV
TFT ON/OFF
BRIGHT CON
B
R15
10K
C
D
3.3V
R6
F
0
C13
10U/16V
CB6
100N
L1
E
601
VEE
R7
4K7
CB8
100N
F
TFT-13V
CB6
100N
G
3 4
F1 1.5A F K12
C2 C4
C5
10U/16V
10U/16V 10U/16V
10U/16V
R21
10
N1
C6
470N
1 8
SST-CMP ISEN
2 7
CT VSEN
C01 C7
3 6
Q1 GDNA VDDA
330P NC
C8
2SB709
4 5
DRV2 DRV1
10U/16V
R16
100K
Q2
2
DTC144
D1
RK7002
3
U3
MODE
R1
NC
DVD3V3
VBS
R8
CB10
3K3
100N
C14
10U/16V
TFT5V
L2
601
C13
10U/16V
XS4
5 6
R20
C17 R18
33
33
C16
R13
2N2
820K
C11
2N2
N2
R14
1M
C3
10N
R17
2K2
R19
C10
750
100N
C12 CB5
10U/16V 100N
TFT+13V
1
2
3.3V
3
4
TFT-13V
5
6
STV1
7
U/D
8
CKV
9
10
DEV
11
12
STV2
13
VCOMS
14
15
VEE
16
STH2
17
L/R
18
CPH3
19
CPH2
20
CPH1
21
MODE
22
3.3V
23
OEH
24
LCDB
25
LCDG
26
LCDR
27
VBS
28
STH1
29
VCOMS
30
R9
0
7 8
D2
BAV99
T6
HV HV
4
C1
BRIGHT
18P/3KV
TFT ON/OFF
LV
3
C9
R+
XS5
22N
BHS-2P R-
L-
L+
DVD3V3
D3
BAV99
TFT+13V
TFT-13V
TFT5V
VCOMS
LCDB
LCDG
LCDR
L/R
U/D
STV1
STV2
DEV
CKV
OEH
STH1
STH2
CHP1
CHP2
CHP3
9 10
JS6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
JS6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20