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_ ENGLISH
NAMES AND FUNCTIONS
OF PARTS
@
DENOON
rdecision Audio COMPONENT/STEREO POWER AMPLIFIER
OPTICAL
CLASS-A
OPTICALLY CONTROLLED BIAS SYSTEM
600090
Self-diagnostic Result Indicators (SELF-DIAGNOSIS)
c—
Left channel
DC offset (1/4)
eas
POWER
(Power Switch)
Pressing this switch, the power is turned on and the
power indicator @ and speakers indicator @ light. The
self-diagnostic result indicators
@ will blink for a few
seconds. When the amplifier has stabilized, all indica-
tors (@, @ and ©) will light.
Press the switch once again to turn off the power.
SPEAKERS-A
(Speakers A Switch)
Press this switch (indicator @ lights) to listen to sound
through the speakers connected
to the SPEAKERS-A
terminal.
SPEAKERS-B
(Speakers B Switch)
Press this switch (indicator © lights) to tisten to sound
through the speakers connected to the SPEAKERS-B
terminal.
4)
ee
eee ee
|
Thermal (2/4)
Speaker
impedance (3/4) DC offset (4/4)
Right channel
SELF-DIAGNOSIS (Self-diagnostic Result Indicators)
The amplifier features a self-diagnostic function that
indicates the cause
of any problem
that may
occur
while the set is operating. These indicators operate as
follows, in correspondence
with the operating
state:
e
Muting — engaged for several seconds when power
is turned on.
All indicators from
1/4 to 4/4 blink.
e Speaker Relay Active - engaged for several seconds
when
power
is turned on.
All indicators from 1/4 to 4/4 light.
e DC offset voltage for Left channel exceeds set level.
Indicator 1/4 blinks. Other indicators (2/4 ~ 4/4) will
remain
lit.
e@ Abnormally
High Temperature.
indicator 2/4 blinks. Other indicators
(1/4 3/4, 4/4)
will remain
lit.
e Low-level Impedance or Shorted Speaker Je rminals.
Indicator 3/4 blinks. Other indicators (1/4, 24, 4/4 will
remain
lit.
© DC offset voltage for Right channel exceed: set level.
Indicator 4/4 blinks. Other indicators (1/4 ~ 3/4) will
remain
lit.
If any of the above conditions occurs, the speaker relay
is immediately turned off.
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