User Manual

MXi AMPLIFIER CONTROLLER BOARD REV.2
PUB06-82 Rev. 1 July 17, 2007 06-82-ii MXi Amplifier Controller Board Rev.2
3.2.7 FAN2..................................................................................................................................................................18
3.2.8 FAN3..................................................................................................................................................................18
3.3 POWER SUPPLY SCREEN .............................................................................................................................................18
3.3.1 OK STAT............................................................................................................................................................19
3.3.2 PS ON ................................................................................................................................................................19
3.3.3 INTK ..................................................................................................................................................................19
3.3.4 FAN....................................................................................................................................................................19
3.4 INTERLOCKS SCREEN..................................................................................................................................................19
3.4.1 TRIP...................................................................................................................................................................20
3.4.2 L/O.....................................................................................................................................................................21
3.4.3 TEMP.................................................................................................................................................................21
3.4.4 PSOK .................................................................................................................................................................21
3.4.5 VOR....................................................................................................................................................................21
3.4.6 CUTB.................................................................................................................................................................21
3.4.7 FANS..................................................................................................................................................................21
3.5 REMOTE CONTROLS AND RS232 SERIAL SCREEN.......................................................................................................22
3.5.1 Remote ...............................................................................................................................................................23
3.5.2 NewFmt..............................................................................................................................................................23
3.5.3 ExtCmd ..............................................................................................................................................................23
3.5.4 SerCmd ..............................................................................................................................................................23
3.5.5 Error ..................................................................................................................................................................24
3.5.6 Logs Screen........................................................................................................................................................24
3.6 GENERAL SCREEN ......................................................................................................................................................25
4 SETUP PROCEDURES..................................................................................................................................................27
4.1 RF DETECTOR ............................................................................................................................................................27
4.2 AGC AND CUTBACK PROTECTION..............................................................................................................................29
4.2.1 AGC Setup..........................................................................................................................................................29
4.2.2 Cutback Setup ....................................................................................................................................................29
4.3 VSWR PROTECTION...................................................................................................................................................29
4.4 REMOTE CONTROL INTERFACE BAUD ........................................................................................................................30
4.5 POWER SUPPLY VOLTAGE AND CURRENT CALIBRATION............................................................................................31
5 REMOTE CONTROL CONNECTIONS MXi TRANSMITTER...............................................................................32
5.1 REMOTE CONTROLS....................................................................................................................................................32
5.1.1 RC_TX_On Remote Transmitter ON Control ....................................................................................................33
5.1.2 RC_TX_Off Remote Transmitter OFF Control..................................................................................................33
5.1.3 RC_TX_VOR Remote Transmitter VOR Control...............................................................................................34
5.1.4 RC_RESET Remote RESET Control..................................................................................................................34
5.2 EXT1 SECONDARY EXTERNAL #1 INTERLOCK ...........................................................................................................34
5.2.1 Status Outputs....................................................................................................................................................35
5.3 TELEMETRY OUTPUTS ................................................................................................................................................35
6 CIRCUIT DESCRIPTIONS...........................................................................................................................................37
6.1 MC68HC908 MICROPROCESSOR................................................................................................................................37
6.2 POWER SUPPLY VOLTAGE AND CURRENT MONITORING ............................................................................................38
6.3 ON/OFF RELAY K1....................................................................................................................................................40
6.4 AGC, CUTBACK AND VSWR....................................................................................................................................40
6.5 SPI UART..................................................................................................................................................................41
6.6 SPI NVPOT ...............................................................................................................................................................42
6.7 RF DETECTOR ............................................................................................................................................................42
6.7.1 Circuit Description ............................................................................................................................................42
6.8 J12 CHANNEL – VISUAL FORWARD ............................................................................................................................42
6.9 J13 CHANNEL – REFLECTED .......................................................................................................................................43
6.10 J12 CHANNEL – AURAL FORWARD .............................................................................................................................44
7 ADDENDUMS .................................................................................................................................................................45