Sharp LC-32BD5T Service Manual page 19

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