Troubleshooting Guide; Specifications - Onkyo DX-7222 Instruction Manual

Troubleshooting Guide

No power.
Cause: Power cable is not properly plugged into the AC outlet.
Remedy: Insert the power plug firmly.
A disc is loaded in the disc tray, but playback will not start.
Cause: A disc in the disc tray may be upside down.
Remedy: Load the disc with the label facing upward.
Cause: The disc is dirty.
Remedy: Clean the disc.
Cause: Moisture has accumulated inside the CD changer.
Remedy: Remove the disc from the disc tray, place the CD
changer in a warm place, and leave the power on for
about one hour.
No sound is heard.
Cause: Connections may be incomplete or incorrect.
Remedy: Check all cable connections. Insert all the plugs
firmly into the jacks.
Cause: The input selector switch on the amplifier may be set
incorrectly.
Remedy: Set the switch to the proper position. See your
amplifier's operating instructions for more informa-
tion.
Disc playback skips.
Cause: The disc is dirty.
Remedy: Clean the disc.
Cause: A disc is scratched.
Remedy: Replace the disc.
Cause: The CD changer is subject to being accidentally
bumped.
Remedy: Place the CD changer in a more stable location.
Search time (when locating a specific track) is extremely long.
Cause: The disc is dirty.
Remedy: Clean the disc.
Cause: The disc is scratched.
Remedy: Replace the disc.
Track numbers cannot be stored in memory.
Cause: No disc in the tray.
Remedy: Load a disc in the tray.
Cause: You have entered a track number that does not exist on
the disc.
Remedy: Use only the track numbers that exist on the disc.
Front panel controls function correctly, but remote control-
ler does not.
Cause: No batteries in remote controller.
Remedy: Insert batteries.
Cause: Batteries have worn out.
Remedy: Replace batteries.
This unit contains a sensitive microcomputer, which under certain
circumstances might fail to operate due to excessive noise interfer-
ence. In such case, switch off the main power by pressing the
POWER switch, wait five seconds, then switch it on again.
Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: 0720-31-8111 Fax: 0720-33-5222 http://www.onkyo-intl.com
ONKYO U.S.A. CORPORATION
18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: 201-785-2600 Fax: 201-785-2650 http://www.onkyousa.com
ONKYO EUROPE ELECTRONICS GmbH
Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY
Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.onkyo.net
ONKYO CHINA LIMITED
Units 2102-7, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,
N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039 http://www.onkyochina.com
16
SN 29342748
Specifications
Signal readout system: Optical non-contact
Reading rotation: About 500 - 200 r.p.m.
(constant linear velocity)
Linear velocity: 1.2 - 1.4 m/s
Error correction system: Cross Interleave Reed-Solomon code
D/A converter: 1 bit PWM/ACCUPULSE
Sampling frequency: 352.8 kHz (8 times oversampling)
Number of channels: 2 (stereo)
Frequency response: 5 Hz - 20 kHz
Total harmonic distortion: 0.005% (at 1 kHz)
Dynamic range: 96 dB
Signal to noise ratio: 90 dB
Channel separation: 85 dB (at 1 kHz)
Wow and Flutter: Below threshold of measurability
Output level: 2 volts r.m.s.
Power consumption: 9 watts
Power supply: 120 V, 60 Hz
230V, 50 Hz
220-230V/120V switchable, 50/60 Hz
Dimensions (W H D): 435 91 308 mm
(17-1/8" 3-9/16" 12-1/8")
Weight: 3.7 kg (8.2 lbs.)
Specifications and features are subject to change without notice.
HOMEPAGE
http://www.onkyo.co.jp/
E
I9907-1