Sharp CD-BK260V Service Manual Download

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CD-BK260V/CD-BK2700V/CD-BK280V

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Troubleshooting Chart

Many potential problems can be resolved by the owner without calling a service tech-
nician.
If something is wrong with this product, check the following before calling your autho-
rised SHARP dealer or service centre.

General

Video CD

CD player

Tuner

Cassette deck

Karaoke

Remote control

Symptom

Possible cause

The clock is not on time.

Did a power failure occur? Reset the
clock.

When a button is pressed, the unit
does not respond.

Set this unit to the power stand-by mode
and then turn it back on.
If the unit still malfunctions, reset it.

No sound is heard.

Is the volume level set to "0" ?
Are the headphones connected ?
Are the speaker wires disconnected ?
Is the karaoke mode set to "L-CH", "R-CH"
or "V-CANCEL" ?

Symptom

Possible cause

The picture is not displayed during
playback.

Is the TV unplugged ?
Is the unit connected improperly ?
Is the input selector on the TV set to other
than "VCR" ?
Is the unit being played without selecting
video CD ?

The picture quality is poor, or it is
distorted.

Is the disc very dirty ?

Symptom

Possible cause

Playback does not start.

Is the disc loaded upside down ?

Playback stops in the middle or is
not performed properly.

Does the disc satisfy the standards ?
Is the disc distorted or scratched ?

Playback sounds are skipped, or
stopped in the middle of a track.

Is the unit located near excessive vibra-
tions ?
Is the disc very dirty ?
Has condensation formed inside the unit ?

Symptom

Possible cause

Radio makes unusual noise con-
secutively.

Is the unit placed near the TV or comput-
er ?
Is the FM aerial or AM loop aerial placed
properly? Move the AC power lead away
from the aerial if located near.

Symptom

Possible cause

Cannot record.

Is the erase-prevention tab removed?

Cannot record tracks with proper
sound quality.

Is it a normal tape? (You cannot record on
a metal or CrO tape.)

Cannot erase completely.
Sound skipping.

Is there any slack?
Is the tape stretched?

Cannot hear treble.

Are the capstans, pinch rollers, or heads
dirty?

Sound fluctuation.
Cannot remove the tape.

If a power failure occurs during playback,
the heads remain engaged with the tape.
Do not open the compartment forcibly.
Wait until electricity resumes.

Symptom

Possible cause

The vocal part of a multiplexed
disc is not heard.

Is the karaoke mode set to "L-CH", "R-CH"
or "V-CANCEL"?

Symptom

Possible cause

The remote control does not oper-
ate.

Is the AC power lead of the unit plugged
in?
Is the battery polarity respected?
Are the batteries dead?
Is the distance or angle incorrect?
Does the remote control sensor receive
strong light?

Troubleshooting Chart

If trouble occurs

When this product is subjected to strong external interference (mechanical shock,
excessive static electricity, abnormal supply voltage due to lightning, etc.) or if it is
operated incorrectly, it may malfunction.

If such a problem occurs, do the following:
1

Set the unit to the stand-by mode and turn the power on again.

If the unit is not restored in the previous operation, unplug and plug in the unit,
and then turn the power on.

Note:

If neither operation above restores the unit, clear all the memory by resetting it.

Clearing all the memory (reset)

Press the ON/STAND-BY button to enter the power stand-by mode.

Whilst pressing down the button and the X-BASS/DEMO button, press the ON/
STAND-BY button until "CLEAR AL" appears.

Caution:

This operation will erase all data stored in memory including clock, timer settings,
tuner preset, and CD programme.

Before transporting the unit

Press the ON/STAND-BY button to turn the power on.