Jbl-synthesis SDP-25 Manuel d'utilisateur télécharger pdf (Page 18)

JBL SYNTHESIS SDP-25 Troubleshooting Guide

TROUBLESHOOTING

Incorrect connections, configuration or operation is sometimes mistaken for product

malfunction. If problems occur, see this section for troubleshooting information. If a problem

persists, please contact your JBL Synthesis support or your authorized dealer or installer.

NO POWER • If the front panel indicators and front panel display do not

light, check to make certain that the AC power cord is firmly

inserted into the AC Power Socket and that the rear panel

Main Power Switch is turned on.

POWER ON, BUT NO AUDIO

FROM ANY SOURCE

• Make certain that both the audio and trigger connections to

the amplifier are solid.

• Make certain that the amplifier is turned on and operating

properly.

AUDIO FROM SOME, BUT

NOT ALL, CHANNELS

• Make certain that all audio input and output connections

solid.

• Check the settings in the Speaker Configuration sub-menu

in the Speaker Setup menu group. Be certain that there is a

frequency setting (e.g. 80Hz) next to each speaker used in

your system.

• Remember that sound does not always appear from all

speakers at all times, even in a multi-channel program.

NO OR LOW BASS OUTPUT • Make certain that the connections between the SDP-25 and

your subwoofer are on.

• If your subwoofer has “auto-turn on” circuitry, check the

settings.

• Check and adjust the levels on your subwoofer.

• Check the settings in the Speaker Configuration menus

•

In the Speaker Setup sub-menu make certain that “Yes”

appears next to “Subwoofer”.

•

In the Speaker Level sub-menu adjust the level setting

for Subwoofer as needed.

UNIT DOES NOT RESPOND

TO REMOTE CONTROL

• Check and replace batteries as needed

• Make certain front panel remote sensor is not obstructed.

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Jbl-synthesis SDP-25 Manuel d'utilisateur Page 18