Pioneer sg 530 service manual

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pioneer sg 530 service manual

Extracted text from pioneer sg 530 service manual (Ocr-read)


Page 1

1. FRONT PANEL FACILITIES POWER INDICATOR O powen swrrcH Depress this switch to turn power on to the SG-530. Be- cause this switch is connected to the secondary winding of the power transformer, power is still supplied to the pri- mary winding even when the power switch is returned to the STAND-BY ( t] ) position. Always unplug the power cord from the wall socket when the SG-530 is not going to be used for a long time. @ OCTAVE CONTROLS Move these controls above or below the center (zero) posi- tion to boost or attenuate the corresponding frequency bands by up to 110d8 as shown in the figure below. The seven frequency bands are centered at 60H2, 150H2, 400H2, 1k{z, 2.4kHz, 6kHz and 1 SkHz. r00 1 k lok FREOUENCY lN (Hz) Octave control variation curves CH l0 8 66!4 w2(.nzo ?z!'+t6 610 @ RoaproR/TAPE oN/oFF swtrcH Depress this switch when listening to the tape deck con- nected to the rear panel TAPE terminals. In the ON posi- tion, only the signal from the TAPE PLAY terminals en- ters the equalizer. In the OFF position, only the signal from the EOUALIZER INPUT terminals enters the equalizer. @ EoUALIZER SWITCH o Press the right-hand EOUALIZER switch to compensate for the frequency response of the signals entering the EOUALIZER INPUT(E) terminals. The compensated signals are then made available from the EOUALIZER OUTPUT (F*ll terminals as the output signals. o Press both switches when recording signals which have been compensated by the SG-530. The compensated sig- nals are then made available from the EOUALIZER OUTPUT (F.;nl lsr.ntinsls and ADAPTOR/TAPE @ teminals. The same source signals are output at the ADAPTOR/TAPE r@ terminals as the signals entering the INPUT lE) terminals. When the front panel's ADAPTOR/TAPE switch is pushed to the ON position, the signals entering the ADAPTOR/TAPE @ terminals are made available at the OUTPUT (rill) terminals. Use this when connecting a second tape deck or connecting an adaptor component such as a mic mixing amplifier. When a tape deck has been rook connected, the front panel's ADAPTOR/TAPE switch func tions as a tape monitor switch. 2 2) OCTAVE CONTROLS il: .- - _---- llr:::- lElEl : j,, r*t IT"t- I| (rr*$ t*"*"^'*"'"I l:-l l-l l-l l-l l-l l-l l-l l-:-1 lrl l-l l-l l-l l-ll-l l-: " t-" ;:E=E=E-E=E=E=E=,=E=E=H=E=E=E=E= = '-''-''-''|-l l-l l-l l-l l- "-l l-l l-l l-l l-l l-l l-l l- " fnt 6 -t t_t t-t t- l||lL.: _l l_l l_l l_l l_l l-l l=l l_ i_' r-r r-r r-r r-r r-r r-, ,- - rsr uuuu-u-u-u-'"-Urli-ll-Ll-Url-Li-': I )POWER SWITCH (3) ADAPTOR/TAPE (4)EOUALIZER SWI ON/OFF SWITCH 150H2 4O0Hz 1k{z2.4kHz 6kHz

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2. SPECIFICATIONS Graphic Equalizer Section Equalizer Range (lndividual channel ad.iust) .110d8 60H2, 150H2, 400H2 , ikHz,2.4kHz,6kHz, 15kHz Total Harmonic Distortion (1kHz, All Control; Flat, Output: 1V) 0.005% Gain (Control: Flat) OdB Max. Output Voltage (1kHz, T.H.D.: O.O1Vo, Rg: 50kQ) Frequency Response . . 5Hz- ZOtHz+laA Signal-to-Noise Ratio (lHF A Network, short circuited, 1V Output) . . l00dB Inputlmpedance ...SOkohms Output lmpedance No more than 600 ohms 6V Miscellaneous PowerRequirements ....AC120V,60H2 PowerConsumption ..10W Dimensions . 420(W) x 97(H) x 216(D) mm 16-9/16(W) x 3-13/16(H) x 8-112(D) in. Weight (without package) 2.8k9, 6 lb 3oz Furnished Parts Connectioncordwithpinplugs ......2 Operating Instructions 1 NOTE: Specifications and the design subject to possibte modification without notice due to improvements. 3. BLOCK DIAGRAM LCH [- rN EQUALIZER/REC IEQI orrtA- f REc RCH r-tr{EOUALI ZER L- our t_ R€C TAPEL plav gff o'ru t Fn o,N ___i- EO REC POWER 6p Sl-3 Sl-2 Sr-r ,,>lWLt ! t--t 52 , uil TAPE I EO REC ONTAPE FOR SLIDE VOLUME KNOB LED NOTE: Push-button switches S1-i, S1-2 and S1-3 are locked independently. -6.5d B- -26.5d8V (at l kHz) -1 0d B- +1 0dB (at l kHz) 40OHz SIGNAL POLE lrHz SIGNAL POLE 2.4kHz SIGNAL POLE 6kHz SIGNAL POLE l5kHz SIGNAL pOLE R Chonnel ( Some os L Chonnel ) 5