TCL LCD27K76 Schematic
$1I5
5
CON1
CON1
1
1
GND
2
2
12V
3
3
GND
D D
C C
4
4
12V
5
5
GND
CON5
CON5
CON2
CON2
12V
1
GND
2
CON3
CON3
S1
GND
1
12V
2
CON3S1CON3
S3
5V
1
GND
2
CON3S3CON3
12V
C3
100uF/16V
100uF/16V
0.1uC30.1u
1 2
U1
2
IN3OUT
GND
1086-5VU11086-5V
C4
C4
1
+
+
C1
C1
100uF/16V
100uF/16V
+
+
D1
2 1
1N4148D11N4148
100uF/16V
100uF/16V
4
40-00MS18-DBA1X
5V
J4JJ4
2
2
+
+
C2
C2
C5
0.1uC50.1u
1
1 2
1
J
R1
2.7KR12.7K
1 2
21
D3
LED_RD3LED_R
2
TXD
2
2
RXD
2
J6JJ6
J
3
J1NCJ1
NC
112
J3JJ3
112
J
J5NCJ5
112
NC
112
TX
RX
5V
C10
C10
0.1U
0.1U
1 2
U2
U2
T1in
R1out
T2in
R2out
VCC
GND
V+
V-
RS232
RS232
NC
NC
14
TX1
13
RX1
7
TX2
8
RX2
C1+
C1-
C2+
C2-
C61UC6
1
12
1U
3
C81UC8
4
12
1U
5
11
12
10
9
16
15
C71UC7
2
12
1U
C91UC9
6
12
1U
2
2
112
CON3
DSR
RXD
TXD
112
CTS
CON3
1
6
2
7
3
8
4
9
5
CONNECTOR DB9
CONNECTOR DB9
Female
Female
PIN11-ID0
5V
D2
1N4148D21N4148
(FLASH-WP)
RXD
TXD
21
J2NCJ2
NC
RTS
DTR
2
J7NCJ7
NC
RXD
TXD
SCL_P
SDA_P
1
5Vstb
CON4 2.0MM
CON4 2.0MM
5V
CON4 2.0MM
CON4 2.0MM
5
4
3
2
1
CON5 2.0MM
CON5 2.0MM
S2
S2
5
4
3
2
1
For MS88 program update
S4
S4
5Vstb
1
GND
2
RXD
3
TXD
4
S5
S5
5V
For DDC update
1
SCL
2
GND
3
SDA
4
For MS18 program update
FLASH-WP
RXD
TXD
GND
5Vstb
5V
R21KR2
1K
3
D4 1N4148D4 1N4148
D0
2 1
D1
2 1
D2
2 1
D3
2 1
D4
2 1
D5
B B
CON4
CON4
A A
LPT MALE
LPT MALE
D1
D3
1
14
D0
2
15
3
16
D2
4
17
5
18
D4
6
19
D5
7
20
D6
8
21
9
22
10
23
11
24
12
25
13
D6
R7 100R7 100
R11 100R11 100
2 1
2 1
SCL_P
SCL_O
SDA_O
SDA_P
D5 1N4148D5 1N4148
D6 1N4148D6 1N4148
D7 1N4148D7 1N4148
D8 1N4148D8 1N4148
D9 1N4148D9 1N4148
D10 1N4148D10 1N4148
5V
R8 1KR8 1K
R10 1KR10 1K
R17
R17
R16
R16
47K
47K
47K
47K
23
Q1
1
3904Q13904
23
1
3
2
2
J-SW
J-SW
1
1
R40R4
0
5V
R6 10KR6 10K
SCL_P
(P_SCL)
5V
R9 10KR9 10K
Q2
SDA_P
3904Q23904
(P_SDA)
PIN4-ID2
JSW1
JSW1
SCL_P
SDA_P
5V
R31KR3
1K
JSW2
JSW2
3
3
PIN11-ID0
2
2
1
1
J-SW
J-SW
R50R5
0
J8NCJ8
NC
2
112
2
112
J9JJ9
J
J10NCJ10
NC
2
112
2
112
J11JJ11
J
12V
2
112
J16NCJ16
NC
5V
2
112
J17JJ17
J
J12NCJ12
NC
PIN11-ID0
2
112
J15JJ15
J
112
112
112
TXD-15
2
J13JJ13
J
PIN4-ID2
2
RXD-12
2
TXD
J14NCJ14
NC
RXD
D11NCD11
NC
PIN4-ID2
BLUE
GREEN
RED
R121KR12
1K
RTS CTS
D12NCD12
NC
CON5
CON5
5 15
10
14
4
9
13
3
8
12
2
7
111
6
16
17
VGA FEMALE
VGA FEMALE
VGA Out
VGA Out
R13NCR13
NC
TXD-15
VSYNC
HSYNC
PIN11-ID0
R14NCR14
NC
DSR DTR
D13NCD13
NC
5V
R15NCR15
NC
D14NCD14
NC
CON6
CON6
15
5
10
4
14
9
13
8
12
7
6
VGA FEMALE
VGA FEMALE
VGA In
VGA In
BLUE
3
GREENRXD-12
2
RED
111
16
17
5
4
3
2
1
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