Troubleshooting Chart - Sharp CD-SW250DVD Operation Manual

Troubleshooting chart

Many potential "problems" can be resolved by the owner without calling a ser-
vice technician. If something is wrong with this product, check the following
before calling your authorised SHARP dealer or service centre.
General
H
Symptom
G The clock is not
G Did a power failure occur?
accurate.
Reset the clock. (Refer to page 19.)
G When a button is G Set this unit to the power stand-by mode and
pressed, the unit does
then turn it back on.
G If the unit still malfunctions, reset it. (Refer to
not respond.
page 71.)
G Is the volume level set to "0"?
G No sound is heard.
G Are the headphones connected?
G Are the speaker wires disconnected?
G The balance between G Are the front and surround speakers connected
to the wrong channels?
the left and right
G If an external unit is connected, are the left and right
channels is bad.
channels connected improperly?
G Is the speaker lead plugged in incorrectly?
G Hum or excessive
G Does the speaker lead run past other electronic
noise.
equipment?
G Are the plugs or terminals dirty?
G Is the volume too low?
G The timer indicator is
G Is the speaker wire shorted?
G Was the unit used at high volume for many hours?
flashing.
Tuner
H
Symptom
G Radio makes constant
G Is the unit placed near the TV or computer?
G Is the FM aerial or AM loop aerial placed
unusual noise or
static.
improperly?
Move the AC power lead away from the aerial if
located near.
SW250DVD_70-74_EN+ 70
DVD/CD player
H
G No image from the DVD
video appears on the
Possible cause screen of a connected
device.
G Playback does not start.
G Playback stops in the
middle or is not per-
formed properly.
G Playback sounds are
skipped, or stopped in
the middle of a track.
Cassette deck
H
G Cannot record.
G Cannot record tracks with
proper sound quality.
G Cannot erase completely.
G Sound skipping.
G Cannot hear treble.
G Sound fluctuation.
G Cannot remove the
tape.
Possible cause
Symptom
Possible cause
G Make sure the channel of the connected TV is set
to VIDEO or AV.
G Make sure video cables are connected correctly.
G Is the disc loaded upside down?
G Does the disc dissatisfy the standards?
G Is the disc distorted or scratched?
G Is the unit located near excessive vibrations?
G Is the disc very dirty?
G Has condensation formed inside the unit?
Symptom Possible cause
G Is the erase-protection tab removed?
G Is it a normal tape?
(You cannot record on a metal or CrO
G Is there any slack?
G Is the tape stretched?
G Are the capstans, pinch rollers, or heads dirty?
G If a power failure occurs during playback, the
heads remain engaged with the tape. Do not
open the compartment forcibly.
Wait until electricity resumes.
27/4/05, 11:06 AM
CD-SW250DVD
ENGLISH
tape.)
2
E-70