T+A Elektroakustik 1235 R user manual Trouble-shooting

Many problems have a simple cause and a corres

pondingly simple solution. The following section de

s

cribes a few difficulties you may encounter, and th

e

measuresyouneedtotaketocurethem.

Problem:

Machine does not switch on (green

LED stays dark).

Cause:

Mainsleadnotconnectedcorrectly.

Remedy:

Checkconnection,pushinfirmly.

Problem:

Machine does not respond when

buttons are pressed.

Cause:

Static discharge or powerful interference

(e.g.

lightning)

have affected the

processor’smemory.

Remedy:

Reset

machine: disconnect the mains

plug,waitabout10seconds,thenplugin

again.Switchthemachineon.

Problem:

Machine responds correctly when front

panel buttons are pressed, but cannot

be remote-controlled via an 'R' series

pre-amplifier, integrated amplifier or

receiver.

Cause 1:

Batteries in remote control handset

exhaustedorfittedincorrectly.

Remedy:

Fit new batteries, or refit batteries with

correctpolarity.

Cause 2:

RLINKor RCplugnotconnectedcorrectly

tomachine’s RLINKor RCsocket.

Remedy:

Completeconnectionsasshowninwiring

diagram;pushconnectorinfirmly.

Cause 3:

Novisualcontactbetweenremotecontrol

transmitterandremotecontrolreceiverof

the 'R' series preamplifier, integrated

amplifierorreceiver.

Remedy:

Ensure direct visual contact between

remote control transmitter and receiver

(glassdoorsmaypreventcontact).

Themaximumrangeoftheremotecontrol

systemisabout8metres.

Position the remote control receiver so

thatitisnotsubjectedtodirectsunlightor

excessively bright

lighting. Fluorescent

lamps and energysaving bulbs are

powerfulsourcesofinterference.

Cause 4:

TheDVDplayerisnotselectedascurrent

listening source on the preamplifier,

integrated amplifier or receiver, i.e. the

control commands from the handset are

being passed

to

another

'R' system

device.

Remedy:

Press the (or  see next

point)ontheremotecontrolhandset,and

tryagain.

Cause:5:

The remote control address of the DVD

player( AUXor CD)doesnotcorrespond

totheselectedaudioinputsocketsonthe

preamplifier,

integrated

amplifier or

receiver.

Remedy:

The' RLINK 2nd ADDR.'switchontheback

panelcanbeusedto configure the DVD

player either as

AUX or

CD. You must

then select the appropriate input sockets

(see 'Back panel connections').

Problem:

Loud hum from the loudspeakers.

Cause:

Cinchplugsmakingpoorcontact,orfaulty

Cinchlead.

Remedy:

Check all connections and connecting

leadscarefully.

Problem:

No sound, or distorted sound.

Cause:

AudioconnectiontoamplifierorTVsetnot

correct.

Remedy:

Completetheconnectionsasshowninthe

wiringdiagram;pushconnectorsinfirmly.

Selectadifferentlisteningsourcetocheck

theamplifier.

Problem:

No sound signal via the digital output.

Cause 1:

Digitalplugnotconnectedcorrectlytothe

digitaloutputsocketonthemachine.

Remedy:

Complete connections as per wiring

diagram;pushconnectorsinfirmly.

Cause 2:

Digitaloutputswitchedoff.

Remedy:

Switch the digital output on using the

SETUP menu.

Cause 3:

The data format of the selected audio

channel(e.g.DolbyDigitalorDTS)isnot

recognised by the decoder connected to

thesystem.

Remedy:

Use a decoder which supports the data

formats.