Pioneer SX-9000 service manual Receptionof FM, Receptionof AM, Listeningto Records

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RECEPTIONOF FM

1.Set the SELECTORswitch to FM STEREO.

2.Turn the MUTING switch on (unlessthe signalstrength is very low-then leaveit off).

3.Tune in the desired station while watching the TUNING meters.

Best reception is obtained when the dial pointer of the Iower meter deflects asfar to the right aspossiblefor that station, while that of the upper meter is centered.

If the broadcast is stereo. the FM Stereo indicator will light up. It remains unlit if the broadcastis monophonic, and the set automatically switchover for monophonic

a.ffi::1""Ting is complete,slowlyturnup theVoLUME

SOURCE and MASTER knobs until the proper level is achieved.

Then adjust the BASS, TREBLE, TONE COLOR and other controls for the most pleasingsound.

5.To increasereverberation,turn the REVERB knob to the right.

For FM reception located far away from the station, or when external noise is high, reception can be improved by setting the SELECTOR to FM MONO. In this case, however, stereo programswill be receivedasmonophonic.

RECEPTIONOF AM

1.Set the SELECTORswitch to AM.

2.Tune in the desired station while watching the lower TUNING meter. Tune so that the dial pointer deflects as far to the right as possible for that station-

3.After tuning is complete, slowly turn up the VOLUME to the desired level, then adjust the BASS, TREBLE and TONE COLOR controls.

4.To increasereverberation,turn the REVERB knob to the right.

If noise is extremely high during both FM and AM 'reception,

the problem could be in the antenna and

. ground. Reread the section, ANTENNA CONNECTION AND GROUNDING, page3.

LISTENINGTO RECORDS

1.Set the SELECTORswitch to PHONO 1 or PHONO 2.

To use the turntable connected to the PHONO 1 terminals, set to PHONO 1, for that connectedto PHONO 2,setto PHONO2 .

2.If tbe record is monophonic, set the MODE switch to either L or R.

3.Adjust the VOLUME, BASS, TREBLE and TONE COLOR controls.

4.To increasereverberation.turn the REVERB knob to the right.

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Contents RJIONEEIiI O L P R O O FM I C R O P H O N EU S E FeaturesG H P E R F O R M a N C ET U N E R Specialoverload ProtectionStereosystem InstallationLinevoltageselectionand Fuse WordaboutroomacousticsFM Antenna SpeakhrsystemconnectionsAntenna Groundconnections AM AntennaTurnt ConnectiondiagramMicrophoneconnection LotNtableconnection Tape Deckrecorder ConnectionIndicator FrontpanelfacilitiesDE Siiiitch Color Reverberation Cator IndicatorLancecontrol C L E V E L C O N T R O L STape Monitor E a K E R STone Color SelectorReceptionof AM Receptionof FMListeningto Records Usingtape Decks Tape Recorders Usingmicrophones9 0 0 YOU can Also Sx-g000N t i n u o u so r i n t e r m i t t e n A t i c l i g h t n i n gU m i s m i x e d i n t h e Program N e d i n 1 0 k H zb e a t i n t e r f e r e n c eSpecifications S C E L L a N E O U S Power Requirements T U N E R S E C T I O NS i t i o no f S w i t c h S E L E C T O R S c o n n e c t+ o o H LiLt TlpsLqu,pment 4 o o k H zDial Cord Stringing Parts Lavout6 * 1 2 0 2 8 o u O a , , c , uO a OO Q o oS E. .uor.i .F o Printedcircuitboards Tjioneer Rol Fql 330*.-tFV\fr-f # l?t r l Ii#SB.t Sr6qFFfi*,,,*$*\ 0UTt E INr ErPteiitimeters PartslistI T C H E S ResistrsI F U N I T S I S T O R S SEMtc0ttIucT0RsCapacitrs SimicnductrsDIDTSA1DTRAISISTllRS CILSA1DTRAISFRMERXU N r T Wl 3 -0 2 FcurrHEADAMPUlllT W2l CAPACITlRS St Mtc0ilDUcT0RsRESISTtRS CtILSANITRAISFRMtRSRtsistrs SwitchMsl w t T cuHN r T w 2 6 0 0 TraisistrsI IAI M PU N I T W 1 5 0 5 CAPACITtRS TraiisistrsPTElTIMTTERS Tzsv M I C t l I D U C T l R SV E Rabm PU N I T W 2 B t 0 2 CAPACITlRS CsunriuiisvIides 12 0 6 6 I n t e d i n J a p a nWzA-OO2 OoXooIl o o@ TrIay-t/znRroarOttW Wt6- o28Muting Unit w t 8 o 2 L o 2 K ILv, l @e our EOi-----r-t +t2v ? 3 40ma OO r L M 7 O 3 L N4ur Lfl3 o @ t w25C460 Vco25C3A2 NIlljj2s@rx Eeis-AO l 2SC87lor 2SC458LG O oHeadampunit RzlK cJ6 O O l Oemiswitchunit w 2 6 O O z8 O O l T0/25 80.0033Reverbamptjnit w 2 8 O O Qs 25C734P Cr33/s Q2 O3 Qa asSP out a 6 O O\z &87O Q4 2SC485 OB2SA4A5 0nRrlOK Cs0,4s ControlampunitR2ol0l

SX-9000 specifications

The Pioneer SX-9000 is a vintage receiver that was first introduced in the early 1970s, showcasing the high-fidelity audio technology that Pioneer was known for during that era. As a part of the SX-series receivers, the SX-9000 stood out for its impressive features, robust design, and high-quality sound reproduction, making it a coveted piece of audio equipment among audiophiles and collectors alike.

One of the key features of the SX-9000 is its powerful amplification capability. With a power output of 80 watts per channel at 8 ohms, it is capable of driving a wide range of speakers effectively, providing dynamic and clear sound at various volume levels. The receiver utilizes a transistor-based design, ensuring reliability and efficiency in sound delivery.

The SX-9000 also supports a range of tuning options, including FM stereo and AM bands, with an integrated multiplex decoder for enhanced stereo separation. Its switched capacitor AM/FM tuner is designed to provide precise frequency captures, minimizing distortion and improving overall sound quality. Additionally, the receiver features a glass front panel and analog tuning dial, reflecting the classic design aesthetics of the time.

Another notable characteristic is its extensive input options. The SX-9000 has multiple inputs, including auxiliary, phono, and tape, allowing users to connect a variety of audio sources such as turntables, cassette decks, and other components. The inclusion of a phono stage preamp makes it an excellent choice for vinyl enthusiasts, offering high-quality playback of records with minimal noise.

Equipped with tone control features, the SX-9000 allows users to adjust bass and treble to their liking, giving them greater control over their listening experience. The loudness function is another valuable addition, enhancing playback at lower volume levels, ensuring that sound remains rich and full.

Overall, the Pioneer SX-9000 is a testament to the company's commitment to producing high-quality audio equipment. Its blend of power, versatility, and classic design make it a lasting favorite for vintage audio lovers, maintaining a strong reputation decades after its release. The SX-9000 embodies the spirit of audio fidelity, making it a vital piece in the legacy of Pioneer receivers. Its features and capabilities continue to resonate with today's audiophiles, underlining its timeless appeal.
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