Gateway XHD3000 Service Manual page 44

30” lcd color monitor
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30" LCD Color Monitor
Note: T2 RS-232 port A
12
RXDA
12
TXDA
12,29
T2_RXDB
29
MCU_RX
12,29
T2_TXDB
29
MCU_TX
Note: These Jumpers allow the
user to connect either T2 RS-232
port B or MCU RS-232 port to
external PC.
RS-232 Interface Tranceivers (Development only)
V3P3
V3P3
C1304
0.1UF16V
U199
DGND
7
R1OUT
5
T1IN
8
R2OUT
6
T2IN
1
V+
4
V-
FORCEON
C1306
C1307
C1305
20
C1+
nFORCEOFF
0.1UF16V
0.1UF16V
0.1UF16V
nRESET
18
C1-
2
C2+
nINVALID
DGND
C1308
3
C2-
0.1UF16V
MAX3320TCAP+T
DGND
CONFIDENTIAL
To DE9 pin 2
To DE9 pin 3
To DE9 pin 5
14
RXD_232_B
R1IN
16
TXD_232_B
T1OUT
13
RXD_232_C
R2IN
15
TXD_232_C
T2OUT
V3P3-STDBY
P6
12
1
To DE9 pin 2
11
2
To DE9 pin 3
3
To DE9 pin 5
10
9
NC/CONN
Port B DCE
Compatible with
DGND
"Manchester" serial
port cable
Serial Ports
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
44
Gateway XHD3000
Victory
Electronics
Co . ,
Ltd. )
OEM MODEL
Gateway XHD3000
T2080-I-X-X-1-070727
TPV MODEL
CBPF6SSXGY A2P
17.RS232 I/F_1
PCB NAME
715T2080 I
Sheet
17
of
42
Friday,July 27,2007
Size
C
Rev
I
称爹

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