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Yamaha Dsp A990.
I have inherited a Yamaha DSP A990 amplifier, in excellent condition.Having no use for it, I am wond...
I have inherited a Yamaha DSP A990 amplifier, in excellent condition.Having no use for it, I am wond...
(Posted by patmcdermott 2 years ago)
Power Does Not Come On
Power does not come when power button is pushed
Power does not come when power button is pushed
(Posted by mtchavez 11 years ago)
Popular Yamaha DSP-A990 Manual Pages
Owner's Manual - Page 2
... extremely sophisticated audio component. Congratulations! The DSP system takes full advantage of Yamaha's undisputed leadership in channels of amplification on the DSP-A990 mean that no additional amplifiers are the proud owner of digital audio processing to enjoy advanced digital sound field processing. Follow the instructions in this operation manual carefully and store it in Dolby Pro...
Owner's Manual - Page 3
...install the unit in your plug, proceed as tuners, receivers or TVs. Handle it should be set... Yamaha service personnel. IMPORTANT!
SPECIAL INSTRUCTIONS FOR U.K. MODEL
...INSTRUCTIONS
English
SAFETY INSTRUCTIONS
1. KEEP THE AC POWER PLUG DISCONNECTED DURING VACATION ETC. DO NOT OPEN THE UNIT OR ATTEMPT REPAIRS OR MODIFICATIONS YOURSELF
This product contains no user-serviceable parts...
Owner's Manual - Page 7
... imaging. This combination is used on the basis of Dolby Pro Logic and YAMAHA DSP technology.
5 Manufactured under Canadian patent number 1,037,877. "Dolby", "Pro...manual adjustment. CINEMA DSP 7ch
The YAMAHA "CINEMA DSP" logo indicates these programs are precisely recreated on sound field programs No. 8 through No. 11, and "Enhanced DOLBY PRO LOGIC" of Dolby Pro Logic and YAMAHA DSP...
Owner's Manual - Page 9
... with the addition of a subwoofer and amplifier.You may be output from the center channel... Yamaha Active Servo Processing Subwoofer System, which has its own built-in power amp.
7 English
Setting ...setup, using two extra pairs of effect speakers to generate the sound field plus one pair of effect speakers for the sound field will be a good way to begin with this unit.You can always upgrade...
Owner's Manual - Page 11
... pair. Place the FRONT EFFECT SPEAKERS further apart than the MAIN SPEAKERS, on either side of and a few feet behind your present stereo speakers as a Yamaha Active Servo Subwoofer System, the position of the DSP system or the external amps that will probably use a magnetically shielded speaker.)
If using a subwoofer.
Owner's Manual - Page 12
SETUP
Before you start making connections make sure all related electronic components are turned OFF.
REAR PANEL
1
1 2 3
4
AUX 1
PHONO
GND
2
345 6
7 8 90
COUPLER
-...Ω MIN./ HAUT-PARLEUR
A OU B:6 Ω MIN./ HAUT-PARLEUR
REAR
6 Ω MIN./SPEAKER 6 Ω MIN./HAUT- PARLEUR
6 Ω MIN./SPEAKER 6 Ω MIN./HAUT- PARLEUR
(General Model)
AB
CDE FG
H
IJ
10 1-2.
Owner's Manual - Page 13
... the main speakers here. The jumper bars must be used . B Video NTSC/PAL Switch (General Model only)
Set this unit's built-in center-channel amplifier, connect one or two center speakers here.
9 Center Speaker Impedance Switch
Set to "A + B" when using two center speakers, or to "A OR B" when using only one center speaker.
0 Rear Effect...
Owner's Manual - Page 14
.... I Switched AC Outlets
You may plug other audio components into this unit's power switch. J Unswitched AC Outlet (General Model only)
The total power consumption of the correct setting. NOTE: If an external power amplifier is available even when this jack. "Unswitched" means that these sockets as long as their combined power consumption does...
Owner's Manual - Page 15
... video equipment employs. (General Model only)
GENERAL INSTRUCTIONS FOR CONNECTIONS
Make sure that you remember to always use a speaker cable that the polarity is set to the minus terminal of polarity....
13 For each amplifier and each channel, connect the plus (+) terminal of the amplifier to the plus terminal of the speaker, and connect the minus (-) terminal of the amplifier to "OFF" for...
Owner's Manual - Page 17
..., etc.
NOTE: If video signals are equipped with a color background. * For the General Model, if the NTSC/PAL switch on the rear panel
is set to "PAL", nothing will be sure the NTSC/PAL switch has been correctly set to the standard that is input to either S VIDEO MONITOR OUT or VIDEO MONITOR...
Owner's Manual - Page 20
... built-in amplifier will be set the switch to "A + B" (top position). Connect the REAR effect speakers to the REAR effect speaker output terminals of this unit. If using a CENTER speaker, be sure to set the Center ...FRONT effect speaker output terminals of this unit.
If you wish to use an external power amp for any or all of the effect and center channels, connect the line level output jack...
Owner's Manual - Page 21
...-level subwoofer output, which contains only the frequencies under 200 Hz from the main and center channels. With some subwoofers, including the Yamaha Active Servo Processing Subwoofer System, the amplifier and subwoofer are in the same unit. FRONT MIX
5ch 7ch
ON OFF
REAR
LOW PASS
Subwoofer system
19
Connect the LOW...
Owner's Manual - Page 25
... learnable function keys. (See page 38.)
23
English E Parameter Select Keys
Select DSP program parameters, or titles of the rear effect speakers. H Master Volume +/- K Tuner Function Keys
Operate Yamaha tuner functions. M 1/2 Switch
When the YPC/USER/LEARN Switch is set to YPC, this switches the CD/LD Function Keys to USER or LEARN...
Owner's Manual - Page 42
...'s memory for any size room at all. These reflections fall into specific patterns as shown in which we need to first understand what Yamaha has done with values precisely calculated by reflections from one of the DSP system, we are preset with the DSP system. CREATING YOUR OWN SOUND FIELDS
3-1. What really creates the...
Owner's Manual - Page 47
...Replace batteries. No sound from the center speaker. No sound from the front effect speakers. DSP...coding and modulation systems employed by using the headphones connected to "ON". The center mode is being used with material not encoded with Dolby Surround. The "MEMORY GUARD" function is set...The power to the affected equipment.
TROUBLESHOOTING
English
PROBLEM Power does not come on ....
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