Philips 241B4LPCB/00, Руководство по обслуживанию

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1 1
2 2
3 3
4 4
5 5
A
A
B
B
C
C
D
D
C
ont
rol
D
ia
g
ra
m
&
C
.B
.A
.
241B4LP LCD
45
CS_4
CS_3 CS_2
S
e
ns
o
r_SCL
CS_5
S
e
ns
o
r_SDA
CS_4
CS_3
CS_5 CS_6
CS_6 CS_2
+3
.3
V
gr
ou
nd
Al
er
t
+5
V
EN
t1
2010.
11.12
<< For Touch IC
ESD Hot issue >>
Change : L2 fro
m
Z30 to 100 J
p
in 6 is 5V
p
in 3 is power LED (NA)
p
in 7 is alert
p
in 5 is SCL
p
in 1 is ground
p
in 2 is function LED (NA)
I
nput (From LED Board)
p
in 8 is EN PIN
p
in 4 is SDA
?PIN
U
2
LDO part namber in DSN is 7D.09193.03B,
but in the BOM is 7D.02102.B3B
U2: DSN is 7D.09193.0
3B. BOM is 7D.02105.03B
4
-SDA
5
-SCL
Touch
TP4
S3
1
1
TP1
U1
C
A
P
1
0
0
6
-1
-A
IA
-T
R
CS
1
1
AL
ER
T
2
SD
AT
3
SC
LK
4
VD
D
5
CS
6
6
CS
5
7
CS
4
8
CS
3
9
CS
2
10
GND
G1
S4
1
1
C1
0.
1U
Z
R5
10K
J
R3 10K
J
R1
4.7K
J
S5
1
1
C6 4.
7
U
K
C5
0.
1U
Z
C4 0.
022U
K
R2
4.7K
J
TP2
OP OP3
OP OP2
TP7
OP OP1
S2
1
1
U2
R
T
9
193-
3
3PB
VO
U
T
5
VI
N
1
EN
3
GN
D
2
BP
4
J2 2KK2261008
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
G1
G1
G2
G2
R4 100
TP3
L1
NC_
Z
3
0
S6
1
1
C3
0.
1
U
Z
R6 1K
J
C2 4.
7
U
K