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ONKYO.
SERVICE MANUAL
COMPACT DISC PLAYER
MODEL DX-6990
Black model
ENTS
IDENTIFIED
BY MARK
A
ON THE
Signal readout system:
Optical non-contact
TIC DIAGRAM AND IN THE PARTS LIST ARE
Reading rotation:
About 500~200 r.p.m.
L FOR RISK OF FIRE AND ELECTRIC SHOCK.
(constant linear velocity)
3 THESE COMPONENTS WITH ONKYO PARTS
Linear velocity:
1.2~1.4m/s
ART NUMBERS
APPEAR AS SHOWN
IN THIS
Error correction system:
Cross interleave readsolomon code
Decoded bits:
18 bits linear
Sampling frequency:
352 .8kHz (8 times oversampling)
EAKAGE-CURRENT
OR
RESISTANCE
MEA-
Number of channels:
2 (stereo)
NTS TO DETERMINE THAT EXPOSED PARTS
Frequency response:
2Hz~20kHz
SEPTABLY
INSULATED
FROM THE SUPPLY
Total harmonic distortion: 0.0015% (at 1kHz)
BEFORE
RETURNING
THE APPLIANCE
TO
Dynamic range:
103dB
TOMER.
Signal to noise ratio:
110dB
Channel separation:
103dB (at 1kHz)
Wow and Flutter:
Below threshold of measurability
Power comsumption:
24 watts
Output level.
2 volts r.m.s.
Dimensions (WxHxD):
477 x 142 x 427mm
18-3/4" x 5-9/16" x 16-13/16"
Weight:
27kg, 59.5 Ibs.
Specifications are subject to change without notice.
INKYO
DIO COMPONENTS
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Table of Contents
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