Philips 241S4LCB/00, Service Manual

Page: 43 / 81

Po
er D
r
C.B .A
241S4L LCD
43
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
GA
TE
IS
ENSE
EN
EN
DBRT
DBRT
LE
D
1
LE
D
4
801.
S
LE
D
3
LE
D
4
LE
D
2
LE
D
1
Vo
u
t
IS
ENSE
GA
TE
LE
D
2
LE
D
4
LE
D
1
LE
D
3
BRT
_
A
D
J
BL
_
N
LE
D
2
LE
D
3
+1
9
V
+
19V
+1
9
V
OVP
CM
p=0.9
2
L
p=1.08
MS p=0.91
8
OC
P
sw(KH
)=
2100/Rosc ecause sw
set
t
o
325KH
so Rosc =
2100/325 = 1
91K oh
L
D
(
A) = 790
1.23
/ (RS
0
.
)
A
O
M2
0H
01
D
0 = 971.7 / (RS
0
.
)
RS
= 15.795K
o
h
C85
1
Se
c
22U 1
0
0
1 2
R810
8.2K F
C852 Se
c
22U 1
0
0
1 2
L801
47
U
R816
75K F
801
A
P
9997
G
H-HF
D
G
S
R81
9
12K F
R865
PN
TP861
C
8
1
4
1000P
50
R820
33K
C856 0.
1
U
K
R803 33 J
D801
S100
A
K
C854
1U
50
K
TP862
R861
PN
C808
0.47U 1
6
R817
300K F
R804 0.2 F
TP863
R821
3.3K
C812
PN
C821
100P
R814
33K
TP864
R862
PN
C855
1U
50
K
C809
0.
47U
1
6
MP 3394-SOP
C
801
P
12
LD
2
10
SN
S
13
GND
4
GAT
14
N
15
CC
16
CM
P
1
N
2
SC
5
BS
C
7
ST
6
LD
4
8
LD
3
9
LD
1
11
DBRT
3
TP860
R863
PN
R805 0.2 F
R823
0
R813
3.3K
C806
PN
R818 270 F
C803 0.
1U
Z
D
801
T
Z
M
C24
A K
C
N
861
2K
6224
4106
1
1
2
2
3
3
4
4
5
5
6
6
R808
300K F
R81
5
20K F
C853
1U
50
K
R802
0
TP
8
0
1
C801
330U
3
5
R
C
1.
21A
1 2
C811 0.
1U
C805
0
.1U
R811
10
0
R812
100K F