Broadcast Electronics AM-2.5E, Руководство пользователя

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5-7
WARNING: DISCONNECT POWER PRIOR TO SERVICING
TABLE 5-1. AM2.5E/AM-5E INDICATORS
(Sheet 3 of 4)
ASSEMBLY INDICATOR FUNCTION
CONTROLLER CIRCUIT BOARD
PWM Mute Illuminates to indicate the power control PWM signal is
muted in response to a fault such as lightning, an exciter
fault, a reflected power emergency, an open remote
control failsafe, an external transmitter mute, lightning,
or high reflected or forward power.
Remote Failsafe
Illuminates to indicate the remote control unit is
enabled.
Battery OK When the battery test switch is depressed, the indicator
will: 1) illuminate to indicate the battery is operational
or 2) not illuminate to indicate the battery is to be
replaced.
STEREO CIRCUIT BOARD
Stereo Equalization 1 Illuminates to indicate stereo equalization circuit 1 is
active.
Stereo Equalization 2 Illuminates to indicate stereo equalization circuit 2 is
active.
EXCITER CIRCUIT BOARD
Exciter Lock Illuminates to indicate the exciter is locked to the
programmed carrier frequency.
E5V Illuminates to indicate the ECU +5V supply is
operational.
E15V Illuminates to indicate the ECU +15V supply is
operational.
Exciter -15V Illuminates to indicate the ECU -15V supply is
operational.
RF POWER MODULE
PA 1 RF DRIVE Illuminates to indicate RF drive from the exciter circuit
board is present at power amplifier 1.
PA 1 FAULT Illuminates to indicate a fault has occurred in power
amplifier 1.
PA 2 RF DRIVE Illuminates to indicate RF drive from the exciter circuit
board is present at power amplifier 2.
PA 2 FAULT Illuminates to indicate a fault has occurred in power
amplifier 2.