Owner's Manual
Page 1
...to constitute a risk of electric shock to persons. Retain this Owner's Manual in a safe place for This Unit 5 Yamaha Active Servo Technology 6 Connections 7 Adjustment Before Operation 10 Operations 13 Using Digital Sound Field Processor (DSP 16 Remote-Control ...triangle, is intended to alert you to the presence of this YAMAHA stereo amplifier. OWNER'S MANUAL CONTENTS Safety Instructions 2 Caution 3 Warning 3 Supplied Accessories 3 Profile of the unit. AV-90PY Natural Sound Digital Sound Field Processing Amplifier 5 Speaker Configuration 100W + 100W (8Ω) RMS Output Power,...
...to constitute a risk of electric shock to persons. Retain this Owner's Manual in a safe place for This Unit 5 Yamaha Active Servo Technology 6 Connections 7 Adjustment Before Operation 10 Operations 13 Using Digital Sound Field Processor (DSP 16 Remote-Control ...triangle, is intended to alert you to the presence of this YAMAHA stereo amplifier. OWNER'S MANUAL CONTENTS Safety Instructions 2 Caution 3 Warning 3 Supplied Accessories 3 Profile of the unit. AV-90PY Natural Sound Digital Sound Field Processing Amplifier 5 Speaker Configuration 100W + 100W (8Ω) RMS Output Power,...
Owner's Manual
Page 4
... Dolby Surround which provides greater effective channel separation for later reference. "ENHANCED" Dolby Pro Logic Surround The AV-90PY has a second mode of Yamaha AV-90PY, the stereo amplifier -an extremely sophisticated audio component. PROFILE OF THIS UNIT You are the proud owner of Dolby Pro Logic... sound reproduction technology lets you this unit will sonically transform your own home. In addition, this unit takes full advantage of Yamaha's undisputed leadership in the field of realism than -ideal positions to accurately recreate one of actual concert hall, theater, etc....
... Dolby Surround which provides greater effective channel separation for later reference. "ENHANCED" Dolby Pro Logic Surround The AV-90PY has a second mode of Yamaha AV-90PY, the stereo amplifier -an extremely sophisticated audio component. PROFILE OF THIS UNIT You are the proud owner of Dolby Pro Logic... sound reproduction technology lets you this unit will sonically transform your own home. In addition, this unit takes full advantage of Yamaha's undisputed leadership in the field of realism than -ideal positions to accurately recreate one of actual concert hall, theater, etc....
Owner's Manual
Page 6
... amazing sound quality and less distortion. By employing negative-impedance drive circuits, the amplifier is able to be the fundamental structure of the Active Servo Technology. 6 YAMAHA ACTIVE SERVO TECHNOLOGY High-amplitude bass sound Cabinet Port Air woofer (Helmholtz resonator) Active... Servo Processing Amplifier Signals of low amplitude Negative-impedance output drive Signals The theory of the...
... amazing sound quality and less distortion. By employing negative-impedance drive circuits, the amplifier is able to be the fundamental structure of the Active Servo Technology. 6 YAMAHA ACTIVE SERVO TECHNOLOGY High-amplitude bass sound Cabinet Port Air woofer (Helmholtz resonator) Active... Servo Processing Amplifier Signals of low amplitude Negative-impedance output drive Signals The theory of the...
Owner's Manual
Page 8
... an integrated amplifier) to these to connect the power cords from the speaker wires.] 3 Release the tab and secure the wire. The maximum power (total power consumption of the turntable to this unit is 100 watts. However, if you have a YAMAHA turntable with the S mark, connect it to this... unit. REMOTE CONTROL (PHONO) connector If you drive front speakers with an external stereo power amplifier, remove the jumper bars and connect input terminals of the external...
... an integrated amplifier) to these to connect the power cords from the speaker wires.] 3 Release the tab and secure the wire. The maximum power (total power consumption of the turntable to this unit is 100 watts. However, if you have a YAMAHA turntable with the S mark, connect it to this... unit. REMOTE CONTROL (PHONO) connector If you drive front speakers with an external stereo power amplifier, remove the jumper bars and connect input terminals of the external...
Owner's Manual
Page 9
... This unit can drive conventional speakers and YAMAHA Active Servo Processing speakers. For detailed information on the rear panel of this unit's power is appropriate to each position, refer to the rear panel of speakers is OFF before setting the switch and making the amplifier-to be used. Switch the YST SELECTOR... and the connected speakers. • Be absolutely sure that this unit ) to the appropriate position referring to the following. YST-1 position, YST-2 position: To drive YAMAHA Active Servo Processing speakers.
... This unit can drive conventional speakers and YAMAHA Active Servo Processing speakers. For detailed information on the rear panel of this unit's power is appropriate to each position, refer to the rear panel of speakers is OFF before setting the switch and making the amplifier-to be used. Switch the YST SELECTOR... and the connected speakers. • Be absolutely sure that this unit ) to the appropriate position referring to the following. YST-1 position, YST-2 position: To drive YAMAHA Active Servo Processing speakers.
Owner's Manual
Page 12
... the same as that of the front speakers with the CENTER LEVEL key. Adjustable. 12 Illuminates. q If you have completed these adjustments, use external power amplifiers, their volume controls may also be adjusted. Illuminates. Do not change any other volume settings in this mode, the center sound is in this unit...
... the same as that of the front speakers with the CENTER LEVEL key. Adjustable. 12 Illuminates. q If you have completed these adjustments, use external power amplifiers, their volume controls may also be adjusted. Illuminates. Do not change any other volume settings in this mode, the center sound is in this unit...
Owner's Manual
Page 17
...unnatural effect. numbers 3,632,886, 3,746,792, and 3,959,590; If it has a built-in movie theaters. When you connect an external amplifier to characterize sound effects, background noise and other ambient noise). The Dolby Pro Logic Surround system, by overadjustment of the BASS or TREBLE controls, ... the sound of the center speaker. q If you play a source encoded with the center and rear channels may not be sure that amplifier is off while you are trademarks of Dolby Pro Logic Surround DOLBY PRO LOGIC SURROUND: This unit employs the Dolby Pro Logic Surround system....
...unnatural effect. numbers 3,632,886, 3,746,792, and 3,959,590; If it has a built-in movie theaters. When you connect an external amplifier to characterize sound effects, background noise and other ambient noise). The Dolby Pro Logic Surround system, by overadjustment of the BASS or TREBLE controls, ... the sound of the center speaker. q If you play a source encoded with the center and rear channels may not be sure that amplifier is off while you are trademarks of Dolby Pro Logic Surround DOLBY PRO LOGIC SURROUND: This unit employs the Dolby Pro Logic Surround system....
Owner's Manual
Page 23
... not located on a firm surface. Appropriate input selector is in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for the monaurel sound source. Incorrect setting of short circuit etc. wires are too weak. The center mode...in the correct phase (+ and -). Connect the cords properly. Press the appropriate input selector corresponding to the unit through the MC head amplifier. Check and secure the connections. Select another program suitable for help. Change position of the turntable or the speakers. The volume level...
... not located on a firm surface. Appropriate input selector is in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for the monaurel sound source. Incorrect setting of short circuit etc. wires are too weak. The center mode...in the correct phase (+ and -). Connect the cords properly. Press the appropriate input selector corresponding to the unit through the MC head amplifier. Check and secure the connections. Select another program suitable for help. Change position of the turntable or the speakers. The volume level...