Panasonic PTL785U - LCD PROJECTOR UNIT, Service Manual

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Pin No Signal Name Contents
1 --- NC
2 TXD Transmit data
3 RXD Receive data
4 --- NC
5 GND Ground
6 DSR
7 CTS Connected internally
8 RTS
9 --- NC
communication software on the market, and inputs control commands according to communication settings and basic format
below.
6.1. Connection
Note:
Use a proper communication cable which is suitable for the PC to connect SERIAL connector and the PC.
6.2. Pin Layout and Signal Names for SERIAL Connector
6.3. Communication Settings
Signal Level Contents Description
Sync. method Asynchronous Synchronizes every 1 character (8 bits)
Baud rate Conforms to 9 600 bps Data transfer speed
Parity RS-232C None Error detection method
Character length standard 8 bits Number of bit composing 1 character
Stop bit 1 bit Uses stop bit when asynchronous method
X parameter Not used
S parameter Not used
6.4. Basic Format
The data sent from the PC to the projector is transmitted in the format shown below.
Notes:
·
If sending multiple commands, check that a call back has been received from the projector for 1 command before sending
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PT-L785U / PT-L785E