Troubleshooting Guide - Onkyo K-185X Instruction Manual

Troubleshooting guide

The following guide lists problems which do not require professional servicing. If, however, the problem cannot be remedied using this
guide, contact an ONKYO authorized service center for assistance.
• No power.
Cause: Power cord plug is loose.
Remedy: Insert plug properly into outlet.
• Playback but no sound.
Cause: Incorrect connection.
Remedy: Check and connect correctly according to page
4.
Cause: Stereo amplifier input selector switch is set to
incorrect position.
Remedy: Change switch position.
• Tape does not move.
Cause: Slack tape wound around pinch roller.
Remedy: Take up slack with a pencil (see page 17).
• REC PAUSE button does not engage.
Cause: No tape in cassette holder.
Remedy: Insert cassette tape.
Cause: Erasure prevention tab(s) removed.
Remedy: Change cassette or cover tab hole with
cellophane tape.
• Hoarse sound, balance unstable.
Cause: Playback head dirty.
Remedy: Clean head (see page 18).
Cause: Tape is stretched.
Remedy: Replace cassette.
• Excessive noise and tape hiss.
Cause: Head has become magnetized.
Remedy: Demagnetize (see page 18).
Cause: Tape with high noise level.
Remedy: Replace cassette.
• Distorted sound.
Cause: Distortion in tape.
Remedy: Tape is probably bad but confirm by listening to
another.
• Tape squeal and skipping.
Cause: Dirty heads, pinch rollers or capstan shafts.
Remedy: Clean (see page 18).
Cause: Cassette shell is binding tape or tape is stretched.
Remedy: Change cassette or try correcting with fast
forward and rewind.
• Excessive hum during playback.
Cause: Connecting cables not inserted firmly.
Remedy: Insert plugs firmly.
Cause: External flux leakage from nearby amplifier or TV
set.
Remedy: Move deck away from hum source.
• High frequencies too strong.
Cause: Dolby NR encoded tape played back with NR off.
Remedy: Select the appropriate NR mode using the
DOLBY NR button. (Dolby B, C or S) for the
tape being played back.
Cause: Incorrect equalization.
Remedy: Confirm that cassette has tape type detection
holes.
• No high frequency sounds.
Cause: Tape not encoded with Dolby NR played back with
Dolby B, C or S NR on.
Remedy: Select the appropriate NR mode using the
DOLBY NR button (OFF).
Cause: Heads have become dirty.
Remedy: Clean (see page 18).
• Deck does not operate properly.
Cause: Tape transport control microcomputer has been
exposed to interference from power supply or static
electricity.
Remedy: Unplug deck and plug back in.
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