Pioneer SX-9000 service manual Frontpanelfacilities, Indicator

Page 7

FRONTPANELFACILITIES

Push once to switch on the power, once again to turn

it off.

PHONESJACKS

Thesephonesjacksfor stereoheadset(s).

The two jacks (A, B) are availablefor connectionwith two stereoheadsets.

Turn this knob to the right to accentuatebasstones, to the left to reduce them. Set the knob at its center position for flat response.

T R E B L E

Use of this knob is similar to that of the BASS knob.

R E V E R B

This is the reverberationadjustment knob. Turn it to the right to increasereverberation,to the left to reduceit.

F IL T E R

LOW: Use this filter to cut out low-frequency ference,suchasmotor rumbling or hum.

HIGH: Use this filter to cut out high-frequency ference, such as that from fluorescent

F M M U T I N G

This switch is used to suppressmuch noise between FM stations when tuning. In a fringe area, however, this switch should be kept off becauseit may suppressthe desiredstation signalat the sametime.

L O U D N E S S

At reduced volume the ear'ssensitivity to extremely low and high frequenciesis reduced.This switch compensates for that phenomenon by emphasizingthese frequencies. At normal or high volumes this switch should be kept

off.

TAPEMON B JACK

This jack is for connecting to the LINE OUT terminals of a tape deck or tape recorder. It is designedto accept a 3-P type plug.

TAPE REC B JACK

For connecting to the LINE IN terminals of a tape deck (recorder). Allows recording of another program source or tape for editing.

T U N I N GI

When selecti

pointer of th possible.

For an FM way. Precisi

that the dial

T U N I N G

This knob is the tunir'g

TONE

INDICATOR

 

T O N E

C O L O R

 

aa

s

92

A M

5 5

6 c t

7 0

 

F M S T E R E o

A M

6 e

O F F

O N

P O \ A / E R

P H

 

B A L A N C E

Usedto adju right chan

channel sou

MODE SIIVI

Controls the

unit as fol

REV: S

ST:

LT:

Right speak f,eft

t c

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Contents RJIONEEIiI Specialoverload Protection FeaturesG H P E R F O R M a N C ET U N E R O L P R O O FM I C R O P H O N EU S EWordaboutroomacoustics InstallationLinevoltageselectionand Fuse StereosystemAM Antenna SpeakhrsystemconnectionsAntenna Groundconnections FM AntennaLot ConnectiondiagramMicrophoneconnection TurntTape Deckrecorder Connection NtableconnectionFrontpanelfacilities IndicatorC L E V E L C O N T R O L S Color Reverberation Cator IndicatorLancecontrol DE SiiiitchSelector E a K E R STone Color Tape MonitorReceptionof AM Receptionof FMListeningto Records Usingtape Decks Tape Recorders Usingmicrophones9 0 0 Sx-g000 YOU can AlsoN e d i n 1 0 k H zb e a t i n t e r f e r e n c e 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 t i n u o u so r i n t e r m i t t e nSpecifications T U N E R S E C T I O N S C E L L a N E O U S Power RequirementsS 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 4 o o k H z TlpsLqu,pment LiLtDial 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 Sr6qF Ii#SB.t 330*.-tFV\fr-f # l?t r l0UTt E INr Er Ffi*,,,*$*\Resistrs PartslistI T C H E S PteiitimetersI F U N I T Simicnductrs SEMtc0ttIucT0RsCapacitrs S I S T O R SFcurr CILSA1DTRAISFRMERXU N r T Wl 3 -0 2 DIDTSA1DTRAISISTllRSCtILSANITRAISFRMtRS St Mtc0ilDUcT0RsRESISTtRS HEADAMPUlllT W2l CAPACITlRSTraisistrs SwitchMsl w t T cuHN r T w 2 6 0 0 RtsistrsI IAI M PU N I T W 1 5 0 5 CAPACITtRS TraiisistrsPTElTIMTTERS Csunriuiisv 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 TzsvIides I n t e d i n J a p a n 12 0 6 6TrIay-t/zn OoXooIl o o@ WzA-OO2RroarOttW Wt6- o28Muting Unit w t 8 o 2 K I L o 2Lv, l @e our EOi-----r-t +t2v ? 3 40ma OO r L M 7 O 3 L @ t w Lfl3 o N4urNIlljj2s Vco25C3A2 25C460@rx Eeis-AO l RzlK cJ O oHeadampunit 2SC87lor 2SC458LGT0/25 80.0033 Oemiswitchunit w 2 6 O O z8 O O l 6 O O lQs 25C734P Cr33/s Q2 O3 Qa as Reverbamptjnit w 2 8 O OQ4 2SC485 OB2SA4A5 0n 6 O O\z &87O SP out aRrlOK 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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