Instruction/ maintenance manual of the product AV-90PY Yamaha
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1 IMPORTANT! Please record the serial number of this unit in the space below. Model: Serial No.: The serial number is located on the rear of the unit. Retain this Owner’s Manual in a safe place for future reference. WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
FCC INFORMATION 1 Read Instructions – All the safety and operating instructions should be read before the unit is operated. 2 Retain Instructions – The safety and operating instructions should be retained for future reference. 3 Heed Warnings – All warnings on the unit and in the operating instructions should be adhered to.
3 CAUTION: READ THIS BEFORE OPERATING YOUR UNIT 1 To ensure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. 2 Install your unit in a cool, dry, clean place – away from windows, heat sources, and too much vibration, dust, moisture or cold.
4 PR OFILE OF THIS UNIT You are the proud owner of Yamaha AV-90PY, the stereo amplifier –an extremely sophisticated audio component. The Digital Sound Field Processor (DSP) built in this unit takes full advantage of Yamaha’s undisputed leadership in the field of digital audio processing to bring you a whole new world of listening experiences.
5 SPEAKER SETTING UP FOR THIS UNIT SPEAKERS T O BE USED This unit is designed to provide the best sound-field quality with 5 speaker configuration. The speakers to be used with this unit will be mainly front speakers, rear speakers, and a center speaker.
6 The theory of the Active Servo Technology is based upon two major factors, the Helmholtz resonator and negative- impedance drive. Active Servo Processing speakers reproduce the bass frequencies through an “air woofer”, which is a small port or opening in the speaker’s cabinet.
7 CONNECTIONS Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other components to which connections are being made.
8 aConnect the SPEAKERS terminals to your speakers with wire of the proper gauge, cut to be as short as possible. If the connections are faulty, no sound will be heard from the speakers. Make sure that the polarity of the speaker wires is correct, that is, + and – markings are observed.
9 SETTING OF THE YST SELECT OR This unit can drive conventional speakers and YAMAHA Active Servo Processing speakers. Switch the YST SELECTOR (located on the rear panel of this unit ) to the appropriate position referring to the following. CONVENTIONAL position: To drive conventional speakers .
10 ADJUSTMENT BEFORE OPERA TION Speaker balance adjustment Using the built-in test tone generator, this procedure lets you adjust the sound output level balance between the front, center, and rear speakers. With this adjustment, the sound output level heard at the listening position will be the same from each speaker.
11 For the detailed information on the remote-control transmitter, refer to “ REMOTE CONTROL TRANSMITTER ” on the page 20. Select the center mode depending on your speaker configuration. (Refer to “ SPEAKER CONFIGURATION ” on page 5.) On the feature of each mode, refer to the “ Note ” shown below.
12 Adjust the BALANCE control so that the effect sound output level of the left front speaker and the right front speaker are the same. Make the sound output level of the center speaker the same as that of the front speakers with the CENTER LEVEL key.
13 OPERA TIONS Set to the “ ∞ ” position. Select a desired input source. (For video sources, turn the TV/monitor ON.) * The indicator corresponding to the selected input source will illuminate. Play the source. Adjust to the desired output level.
14 Select the source to be recorded. * To dub from tape to tape, refer to the “ Notes ” shown below. * When selecting LD/TV , TUNER , CD or PHONO , be sure the TAPE 1 MON , VCR 1 MON or VCR 2/TAPE 2 MON input selector(s) are not also selected. Play the source and then turn the VOLUME control up to confirm the input source.
15 Adjust the balance of the output volume to the left and right speakers to compensate for sound imbalance caused from speaker location or listening room conditions. Note This control is effective only on the sound from the front speakers. BASS : Turn this clockwise to increase (or counter- clockwise to decrease) the low frequency response.
16 On the remote control transmitter Description of Each Sound Field Pr ogram PROGRAM FEATURE This program is effective on the play of the sources encoded with the Dolby Surround.
17 Notes on Operation of Sound Field Programs ● In the CONCERT VIDEO , MONO MOVIE , ROCK CONCERT and CONCERT HALL , no sound is heard from the center speaker. ● When the monaural sound source is played in the DOLBY PRO LOGIC or ENHANCED , no sound is heard from the front speakers and the rear speakers.
18 Adjustment of DELA Y TIME You can adjust the time difference between the beginning of the source sound and the beginning of the effect sound with the DELAY TIME control.
19 Adjustment of the REAR LEVEL Adjustment of the FR ONT EFFECT LEVEL If desired, you can adjust the effect sound output level of the front speakers with this control. The output level is preset to be 80. However, you can adjust the level between 1 and 100.
20 The provided remote control transmitter is designed to control this unit and other YAMAHA components. If the CD player, turntable, LD player and tape deck connected to this unit are YAMAHA componen.
21 REMO TE CONTR OL “LEARNING” FUNCTION The keys on this remote control transmitter can be programmed to “learn” key-functions from other remote control transmitters.
22 Set to the “ USER ” position. Press and hold the CLEAR button using the point of a mechanical pencil, etc. Press and hold the key where the learned function to be deleted is until the indicator flashes 3 times. To clear two or more functions, repeat steps 2 and 3.
23 TR OUBLESHOO TING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help.
24 SPECIFICA TIONS Minimum RMS Output Power Per Channel (20 Hz – 20 kHz 0.08% THD 8 Ω ) Front L, R ........................................... 100W+100W Center ............................................................. 25W (1 kHz 0.3% THD 8 Ω ) Rear L, R .
YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, D-2084 RELLINGEN BEI HAMBURG, F.
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