Ashly PE-2400 Panduan Pengoperasian - Halaman 8

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Halaman Cetak

Page - 8

Introduction - 2

Troubleshooting

The PE Series - 3

Situation

Physical Description - 4

No Sound

Installation – 5

Operation – 7

Troubleshooting - 8

Spec Table - 9

Measurements - 10

Dimensions - 11

No Channel

Warranty - 12

Separation

Distorted Sound

Hiss

Squeals and

Feedback

Protea

Communications

Failure

Indication

Signal LED not lit

Clip LEDs not lit

Output Current LEDs are lit

Signal LED not lit (or low)

Output Current LEDs not lit

Signal LEDs responding to signal level

Clip/Mute LEDs show red, and Protect

status indicator is illuminated (Protect

Mode)

No Channel Separation

Power LED is lit

Signal LEDs responding to signal level

Clip LEDs not lit

Hiss

Squeals and Feedback

Comm LED lit

Comm LED not lit

Operator Manual – PE Series Amplifiers

Action

Check AC plug. Confirm that AC outlet works by plugging in

another device.

Check for a shorted speaker cable or speaker/driver.

Check the speaker wiring for breaks.

Try another speaker and cable.

Overheating will cause protective muting. Check for proper

ventilation. If the fan isn't running the amplifier requires

servicing.

Check the mode indicators on the front panel and make sure

the mode selector on the rear panel is in the stereo-position.

Make sure other equipment in the signal path such as mixers

and preamps are set for stereo, not mono

A faulty speaker or a loose connection could cause this.

Check the wiring and try another speaker.

The signal source might be clipping. Keep the volume pots at

least halfway up so that the source does not have to be

overdriven.

Keep the volume pots at least halfway up and try changing

input sensitivity from 1,4 V to 32 dB or 26 dB with the gain

selector on the rear.

Unplug the amplifier input to confirm that the hiss is coming

from the source or from a device upstream. Erratic or popping

noises indicate an electronic fault in the offending unit. To

keep the noise floor low, operate the primary signal source at

full level, without clipping. Avoid boosting the signal further

between the source and the amplifier.

Microphone feedback should be eliminated with mixer

controls. If noise continues to build up with no microphone

gain, there is a serious fault in the signal processors or

cables. Working in succession from the signal source towards

the amplifier and check each device in the signal path by

reducing its gain or by unplugging it.

Check connection between computer and any routers or

switched in the network. Reboot computer. If issue is not

resolved, consider replacing CAT-5 Cables

Check connection between amplifier and network. Reboot

computer. If issue is not resolved, consider replacing CAT-5

Cables