Sony Vaio PCGA-PSX1, Руководство по обслуживанию

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2-2 PCGA-PSX1 (U/C)
• Connector Types DB25P(Males)
• Interface Standard Centronics
• Loopback Status to Commands
PARALLEL LOOPBACK CONNECTOR CONNECTION DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
D0
D1
D2
D3
D4
D5
D6
D7
-ACK
BUSY
PE
SLCT
-STROBE
-AUTO FD
-ERROR
-INT
-SLCT IN
GND
GND
GND
GND
GND
GND
GND
GND
DB25P
1
2
3
4
5
6
7
8
9
DB9S
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
• Connector Types DB9S (Females)
• Interface Standard RS-232C
• Loopback Data & Handshake
SERIAL LOOPBACK CONNECTOR CONNECTION DIAGRAM
[Reference] About Special Tools for Serial/Parallel Loopback
• Special tools are needed when self-diagnosis for serial circuits or parallel circuits is to be performed. Prepare special tools as
required, referring to the following connection diagrams.
Serial loopback tools: For testing the serial port
Parallel loopback tools: For testing the parallel port (for the printer)
Note : • Soldering
Note : • Soldering