ViewSonic PJ503D-1 - Page 99

96
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Model
Title
Date Rev:
ViewSonic Corporation
MAIN BOARD
TX.DLTX.DL_A
RX.DL
RX.DL_A
C2_B
C1_A
R2IN
RX.DL
232V-
C2_A
C1_B
TX.DL
UART1_RXD
UART1_TXD
GND
P3P3V
P3P3V
TX.DL
RX.DL
232V-
V+
232V-
V+
TX.DL
RX.DL
RS232 circuit
LC10 Z80
TP308
DN57
BAV99
A
J
K
CR4
0.1U K
CC21
100P K
TP309
LC9 Z80
JC4
2B14015001
G1
G1
G2
G2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
G3
G3
DN56
BAV99
A
J
K
CC22
100P K
UC1
ICL3232ECBNZ
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
TP310
+ CR31
10U 20V
12
CR5
0.1U K
CR2
0.1U K
CR3
0.1U K
CR1
0.1U K