Panasonic PT-LB20NTU Service Manual

Also see for PT-LB20E: Operating instructions

Panasonic PT-LB20NTU Service Manual Manual pdf 10 page image

Pin No Signal Name Contents3 RXD Receive data4 GND Ground5 TXD Transmit data1 ---2 --- Connected internally6 ---7 --- NC8 --- NC6 Using the SERIAL ConnectorThe serial connector which is on the back connector panel of the projector conforms to RS-232C standard. This projector canbe controlled by a PC which is connected as shown in "6.1. Connection".For controlling this projector by a PC, requires communication software on the market, and inputs control commands accordingto communication settings and basic format below.6.1. ConnectionNote:Use a proper communication cable which is suitable for the PC to connect the optional serial adapter, which is connected withSERIAL connector of this projector, and the PC.6.2. Pin Layout and Signal Names for SERIAL Connector6.3. Communication SettingsSignal Level Contents DescriptionSync. method Asynchronous Synchronizes every 1 character (8 bits)Baud rate Conforms to 9 600 bps Data transfer speedParity RS-232C None Error detection methodCharacter length standard 8 bits Number of bit composing 1 characterStop bit 1 bit Uses stop bit when asynchronous methodX parameter Not usedS parameter Not used10PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA