Troubleshooting - Pioneer RX-722 Operating Instructions Manual

TROUBLESHOOTING
Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong with this component, check
the points below. Sometimes the trouble may lie in another component. investigate the other components and electrical appliances being
used.
Amplifier section
Cassette tape deck
section
Tuner section
Turntable
Remote Control
Unit
14
<ARB1179>
Symptom Cause
Remedy
No sound from speakers.
|
* ts volume level turned down?
* Is Muting on?
* Is the SPEAKERS selector switch in the wrong
position?
* Are headphones connected to the PHONES:
jack?
* Increase volume level.
* Press the MUTING key on the remote control
unit to cancel muting.
* Set it to the correct position.
* Disconnect the headphones.
Symptom
Cause
Remedy
Tape deck will not work.
* Is the deck in the copy standby mode?
* Is deck in pause mode?
© Is tape loaded correctly?
* Is the COPY MODE switch turned on?
* Cancel the copy mode.
* Press PAUSE switch to release pause mode.
i © Load correctly.
* Turn off the COPY MODE switch.
NG Sound from tape deck.
Recording not possible.
Copying not possible
iency sounds Tot"
reproduced.
Hight frequencies
overemphasized.
* is TAPE FUNCTION switch selected?
* Is a blank tape loaded?
* Are heads clean?
* Is tape loaded in Deck | ?
* Are heads clean?
* Is a tab on the cassette tape removed?
* Press TAPE FUNCTION switch.
* Load a pre-recorded tape.
* Ciean heads.
* Load tape in Deck Ii for recording,
* Clean heads.
* Use a cassette tape with tabs, or place a piece
of adhesive tape on the back edge (see page
16).
® fs tab on the cassette tape removed?
* Use a cassette tape with tabs, or place a piece
of adhesive tape on the back edge {see page
16).
"els tape Not recorded With Dolby NRvsystem™
being played back with the Doiby NR system
on?
* Is a Dolby NR tape being played back with the
Doiby NR system off?
of tape, record, radio, etc.
Noise picked up during recording |
|
* Is power to TV set turned on?
* Is unit located too close to TV set?
© Did you try operating the BEAT CUT switch
(for AM broadcasts only)?
ie Turn'off the Dolby NR°system:
}
© Turn on the Dotby NR system.
© Turn off TV set.
* Move unit at least 30 cm from TV set.
* Set the BEAT CUT switch on the rear panel to
the side where noise is less,
Symptom
Cause
Remedy
No sound.
* Is TUNER FUNCTION switch selected?
* Press TUNER FUNCTION switch.
AM reception not possible.
* fs loop antenna corinected?
* Is BAND selector switch set to AM?
* {s station tuned in properly?
* Connect icop antenna.
* Press the BAND selector switch for AM.
* Tune in station propery,
FM reception riot possible.
| * ts antenna connected?
* Is BAND selector switch set to FM?
| © Connect antenna, following instructions on
page 3, 4, 5.
© Press the BAND selector switch for FM.
|
|
|
Large amount of noise
* Are radio waves weak, causing antenna input
to be insufficient?
* Switch OFF the COD player.
Symptom
Cause
Remedy
Turntable does not work. * ts drive belt properly attached?
* Attach belt correctly.
No sound.
* is PHONO FUNCTION switch selected?
* Press PHONO FUNCTION switch.
Static, scratching noise
produced.
* ts record surface dirty?
* Is record warped or scratched?
* Clean record.
| * Replace record.
Stylus does not descend at
correct position. (PL-322AZ, PL-
3222)
* Is descend position set correctly?
* is record 2 spécial color or size?
| © Adjust descend position as explained on page
13.
| © Change record or play back manually.
Symptom
Cause
Remedy
Remote control operation is not
possible.
Battery is not installed in remote contro! unit.
Battery is dead.
Remote controi cord is not connected.
® Insert battery.
© Insert 2 new battery.
* Correctly connect remote control cord.