Sharp LC-32BD5T, Service Manual

Page: 19 / 51

SCHEMATIC DIAGRAM VER 1.0
4-3
RXD P[1]
LED_SBn P[1]
C33
0.1uF
16V
R156
39
1/16W
v v
R125 R126
RS232
DTT x x
LED_PWRn P[1]
REMOTE P[1]
D
SB_LED
D
PG4
CP0306-EJST-
1
2
3
4
5
6
D
D
IC11
PI5V330Q
A1
2
A2
5
A3
11
A4
14
B1
3
B2
6
B3
10
B4
13
GND
8
VCC
16
OE
15
A/B
1
Y1
4
Y2
7
Y3
9
Y4
12
D
D
SW_INA
D
SO1
D1553Y109--
5
9
4
8
3
7
2
6
1 10
11
D
GND
RS232_TXD
D
D
SW_INB
D
ON_LED
RC_IN
TXD_IN
RXD_UART
RXD_OUT
R157
330
1/16W
CTS
DTR
RTS
DSR
Title
Size Document Number Rev
Date: Sheet of
QPWB11570Y1G--- 1.0
RS-232
SAMPO
B
3 20 Monday, November 06, 2006
C43
1uF
16V
R112
10K
1/16W
R122
0
1/16W
R125 N/0 1/16W
C45
0.1uF
25V
Z
C38
1000PF
50V
C32
0.01uF
50V
R139
470
1/16W
Q12
DTC144EKA
ZD1
UDZ5.6B
R121 0 1/16W
R118
N/6.2K
1/16W
C41
1000PF
50V
Q11
DTC144EKA
R129
0
1/10W
T
C47
180PF
50V
R134 22 1/16W
Q9
2SC2412KBQ
C50
1000PF
50V
TP24
C40
1000PF
50V
Q7
DTC144EKA
R123 0 1/16W
IC12
ICL3232ECA
VCC
16
GND
15
T1-IN
11
R1-OUT
12
R1-IN
13
T1-OUT
14
T2-OUT
7
R2-IN
8
R2-OUT
9
T2-IN
10
C1+
1
C1-
3
C2+
4
C2-
5
V+
2
V-
6
D1
RLS4148
TP26
+
C34
47uF
16V
TP25
C42
1uF
16V
R138
1K
1/16W
R120 0 1/16W
R115
10K
1/16W
R133 180 1/16W
TP27
C49
1000PF
50V
T C35
120PF
50V
R140
10K
1/16W
R113
10K
1/16W
Q8
2SC2412KBQ
R128
10K
1/16W
T C36
120PF
50V
T
C46
180PF
50V
R130 22 1/16W
R127
10K
1/16W
R131 N/22 1/16W
R126 N/0 1/16W
C51
0.1uF
25V
Z
C48
1000PF
50V
+
C44
47uF
16V
R124 0 1/16W
R136 N/22 1/16W
R111
100K
1/16W
C52
0.1uF
25V
Z
R114
0
1/16W
R135 180 1/16W
R137
4.7K
1/16W
3V3_SB
5V_SB
5V_SB
5V_SB
D
3V3_SB
DTT P[1]
TXD_UART
KEY_INB P[1]
RC_IN
GND
PG5
CP0005SDJST-
1
2
3
4
5
(LED
橘 橘 橘 橘橘 橘 橘 橘 橘 橘 橘 橘橘 橘 橘 橘橘 橘 橘 橘 橘 橘 橘 橘
)
R156 100-->39
R157 100-->330
KEY_INA P[1]
5V_SB
GND
TO LED PCB
D
TO KeyPad PCB
DBGTXD P[15,16]
TXD P[1]
H
L
DTT
RS232
3V3_SB
PG4 PIN1
DBGRXD P[15,16]
GND
RS232_RXD