Hochiki DMR Message Chip

HOCHIKI FNV 50 FNV 100 ROM Replacement following information describes the procedure for changing the message chip s in Hochiki DMR Message chips are typically changed or upgraded when the primary evacuation tone or required differs from the standard items or when additional auxiliary messages or tones are Disconnect all power to the panel including batteries CAUTION Parts are static sensitive before removing or installing EPROM chips make sure you grounded yourself to the panel Simply touching the metal standoffs will discharge any static between you and the unit U 6 a 32 Pin DIP near the lower right hand corner of the amplifier unit It will have a small on the chip identifying its program version Look at how the chip is seated this is how the new should look when you are done Using a thin bladed screwdriver carefully pry the chip out of its Take the new EPROM and carefully seat the pins into socket U6 Insure that all pins are aligned applying pressure to seat completely Insure that the chip is properly oriented Pin 1 must be the top Pin 1 is usually marked with a dot adjacent to the pin or by a notch Pin 1 is the top pin with the chip oriented vertically Restore power by connecting AC power first then backup batteries Your system is now ready for testing If any special dipswitch settings are required for your chip a sheet will accompany this install page Test panel alarm activation to insure that the new primary message is functioning properly If your message chip includes custom or special secondary messages triggered via NODC between TB2 9 and TB2 7 or auxiliary messages triggered via NODC to FNV RSI board test those insure they are functioning properly 1 of 2 Village Drive Suite 100 Park CA 90621 2268 Technical Support FNV 50 FNV 100 ROM Replacement NAC Circuit activate primary message FNV 25 50 100 install for full details Cable to FNV RSI if system with 3 more messages FNV RSI install for full details activation of messages unsupervised inputs require authorization AHJ 1 2 3 25V 2 3 4 5 6 7 8 2 3 4 5 6 7 8 Customer Supplied activate secondary message FNV 25 50 100 install for full details activation of messages unsupervised inputs require authorization AHJ Chip 2 of 2 Village Drive Suite 100 Park CA 90621 2268 Technical Support