Bose 550 Instruction Manual download pdf (Page 57)

XD-750/700/550/500 (En)

Preparation section Basic section Application section Knowledge sections

In case of difficulty

RemedyCauseSymptom

÷Clean the head referring to “Maintenance”.

÷ Try another tape.

÷Play a recorded tape.

÷Close the holder completely.

÷Press operations keys in more than a few

seconds after closing the holder.

÷Press operation keys after waiting for more

than 4 seconds.

÷Insert a tape.

÷Try another tape.

÷Change the tape transport direction or re-

verse the tape insertion orientation.

÷Refer to “Searching for the desired music

program (DPSS)”.

÷Small time difference does not mean a

malfunction.

÷Press in stop mode.

÷Reset the microcomputer.

÷Clean the head referring to “Maintenance”.

÷ Try another tape.

÷Try another tape.

÷Demagnetize the head referring to “Main-

tenance”.

÷Install the system at a distance from other

electric appliances and TV.

÷Set the Dolby NR to on.

÷Clean the head referring to “Maintenance”.

÷ Wind the tape again by fast forwarding,

rewinding or playing from an end to the

other.

÷Use a cassette with an unbroken recording

protect tab or block the hole.

÷Close the holder completely.

÷Select the source to be recorded with the

input selector key.

÷Change the tape transport direction of deck

B or reverse the tape insertion orientation.

÷Fully turn the MIC MIX. control knob to the

left.

Sound cannot be produced by pressing

the play key or no operation occurs even

when an operation key is pressed.

No operation occurs even when an opera-

tion key is pressed.

The DPSS malfunctions.

In dubbing, the tape stops at different

moments in decks A and B.

The cassette holders cannot be opened by

pressing the PUSH OPEN area.

Sound is harsh or high frequencies are not

reproduced.

Sound is distorted.

Noise is noticeable.

Sound vibrates.

Recording cannot be started by pressing

the record key.

Volume of the recorded track changed.

)

÷The head is dirty.

÷The tape is wound too tight due to irregular

winding.

÷A nonrecorded tape is played.

÷The cassette holder is not closed com-

pletely.

÷The operation key is pressed immediately

after closing the cassette holder.

÷The operation key is pressed in less than 4

seconds after turning the power ON.

÷A tape is not inserted in the unit.

÷The tape is wound too tight due to irregular

winding.

÷The tape is fully wound to one of the reels.

÷The tape used is not suitable for DPSS, for

example the spaces between tunes may be

too short.

÷This is due to the difference in the tape

length or characteristics of the mechanisms

of two cassette decks.

÷The key is pressed during recording or play-

back.

÷ The microcomputer is malfunctioning due

to external noise.

÷The head is dirty.

÷The tape is stretched or shrunk.

÷The tape being played was recorded with

distorted sound.

÷The tape head is magnetized.

÷External noise is induced.

÷A tape recorded with Dolby NR ON is played

with Dolby NR OFF.

÷The capstans or pinch rollers are dirty.

÷The tape is wound irregularly.

÷The recording protect tab of the cassette

has been broken.

÷The cassette holder is not closed com-

pletely.

÷The TAPE input is selected.

÷The tape is fully wound to one of the reels.

÷MIC MIX. control knob is moved during

recording.

Cassette deck

A station has been preset but it cannot

be received by pressing the P.CALL key.

Demonstration starts suddenly.

÷The frequency of the preset station is not

tunable.

÷The preset memory has been cleared be-

cause the power cord has been unplugged

for a long period.

÷The power plug was unplugged from the

outlet while the power switch was ON, or

there was a power failure.

÷Preset stations with tunable frequencies.

÷Preset stations again.

÷This is not malfunction. Press the DISP./

DEMO key to cancel the demontration.

∞

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Bose 550 Instruction Manual Page 57

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