Sub Micon/Rs-232C Schematic Diagram - Sharp LC-20AD5E-BK Service Manual

A B
8
7
6
C124
5
0.1 B
R102
100
RS-232C JACK
CP102
MD24-95V-EC
3.2 3.2
B102
1 NC
NC
16 15
FCM1608KF-102T02
2 RS232_RXD
B101
3 RS232_TXD
FCM1608KF-102T02
4 NC NC
5 GND
6
NC NC
W896
4
7 NC
8 NC 1 2
9 NC NC
0 5.8 5.8
R103
100
3
2
1
A B
H-15
C

SUB MICON/RS-232C SCHEMATIC DIAGRAM

R110
RF_AGC
L101 1K
P.CON+3.3V R115
SCART1_SW
22uHNLV32
68
NLCV32T R116
SCART2_SW
68
GND
RS232_TXD
RS232_RXD
GND
0 -5.6 NC 3.2 NC 3.1
14 13 12 11 10 9
R130 100
P.CON+3.3V
R131 100
3 4 5 6 7 8
3.1 5.8 -3 -5.5 9.2
LEVEL SHIFT
Q101
KTK5132E
3.2
SDA
3.3
3.3
3.2
SCL 3.3
LEVEL SHIFT
Q102
KTK5132E
GND
C
D E
(MAIN PCB)
NC NC NC NC NC NC NC 3.3 NC 3.2 3.3 3.3 NC
39 38 37 36 35 34 33 32 31 30 29 28 27
NC
3.2
P0_6 P1_3
3.1
P0_5 RS232_TXD
3.2
39 NC 27 P4_5
P0_4 RS232_RXD
40 NC 26 NC
3.3
P4_2/VREF P1_6
SUB MICON
NC P6_0 P1_7
IC101
R5F21244SNFP
NC P6_2 P2_0
NC P6_1 P2_1
NC P0_3 P2_2
52 P3_7 14 P2_6
NC P0_2 P2_3
1 NC 13 P2_7
NC P0_1
P2_4
NC P0_0 P2_5
NC
1 2 3 4 5 6 7 8 9 10 11 12 13
NC 3.3 NC 3.2 3.3 3.3 NC 3.3 3.3 0 3.3 3.3 3.2
C123
0.1 B
X101
16MHz
3.3
R129
4.7K
R114
4.7K
R128
4.7K
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
FROM/TO SCALER
SDA
SCL
FROM/TO 21PIN
SCART1_SW
SCART2_SW
DTUNER_H
SCART_A_SW
FROM/TO AV JACK/SWITCH
DTUNER_H
FROM/TO JACK
COMPONENT/DVI
NC
PC_SYNC_SW
3.3
3.2
RS232_TXD
FROM/TO TUNER
3.3
RS232_RXD
RF_AGC
F_SCL
R124
F_SDA
NC
4.7K
R125
NC
4.7K FROM/TO POWER
NC
DTV_FAN_ON_H
GND
NC
NC
GND
NC
SUB_TX
3.2
PC_SYNC_SW
MODE
W893
P.CON+3.3V
NC
SUB_RX
3.2 RESET
COMPONENT/DVI
NC
NC
5 4
NC NC
OUT IN GND
1 2 3
R108 3.4 3.4 0
FROM/TO INTERFACE_HDMI IC
10K
D107
RB520S-30-TE61 F_SDA
F_SCL
PC_SYNC_SW
RXT0_RST
FROM/TO REGULATOR
GND P.CON+3.3V
PC_SYNC_SW
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
7
6
5
SUB MICON DATA
CP101
A2001WV2-6P
GND 1
TX 2
BUSY/MODE 3
VCC 4
RX 5 4
RESET 6
3
2
1
PCBF40
CEF112
H
H-16