Pioneer EQ-6000 Service Manual

PSY yi [ere
GRAPHIC EQUALIZER
EQ-4000
SPECIFICATIONS
Power source ............ DC 14.4 V (10.8 — 15.6 V allowable)
Grounding system .......... 00002: Negative type
Dimensions (chassis) ............ 178(W) x 25(H) x 120(D) mm
[7(W) x 1(H)4-3/4(D) in.]
RS 5g Gy doe eat. Saad 170(W) x 24(H) x 12.5(D) mm
(6-3/4(W) x 1(H) x 1/2(D) in.]
ANCIQIIC aie Fag Stage gaa Mate. hee Mage Bw bi een cela deo 0.5 kg (1.1 Ibs.)
Equalization frequency
(EQ-6000) ......... 40 — 80 Hz (Parametric), 125 Hz, 250 Hz,
500 Hz, 1 KHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz
(EQ=4000) .cc usecase ewww s 60 Hz, 125 Hz, 250 Hz, 500 Hz,
1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz
Gain: 6 econ halg Mess Oy YR pa ti ey OW EO e GherGia ea ogy OdB
Equalization range .. 0... 2. ee ee +12 dB
Frequency response .............005 20 — 30,000 Hz (+3 dB)
DISTORIOR: us¢ iin bar. ot kowims Awemebhleea 0.05% (1 kHz, 500 mV)
Signal-to-noise ratio .. 2... 0.0.0.0 0.00. 101 dB (IHF-A network)
CONTENTS
1. CONNECTING THE UNITS ......... cece e cee eeee eee eens 2
2. CONTROLS AND THEIR USE ............ceeeee eee eee ees 3
3: BLOCK DIAGRAM) sasiscvcciveccescasaanwernseninsies'en vacseies 5
4. SCHEMATIC CIRCUIT DIAGRAM (EQ-6000) ....... 7
5. CONNECTION DIAGRAM (EQ-6000) ................4. 9
EQ-6000
GQ-600
FVIONECT
The future of sound and vision.
ORDER NO.
CRT 1229
UC
UC
Input' impedance 2.52 so24e ee 5a ane ou ge ee bwe eee Ue 10 kQ
Output Wmpedand'e an. 06 6 cs be hee He Rie ha EG ee 1kO
Max. output level 2.0.0.0. 0. ee eee 2 V/1 kHz, 1% THD.
Subwoofer (EQ-6000)
Crossover frequency .............-...000% 50 Hz/80 H2/120 Hz
Crossover-slope: «ainda os oaeu5 2s 284 2G Fae 2S — 12 dB/octave
OUTDUE BIR ic aig we om ee pact edie ww ~oo— +10 dB {L + R)
Phase SWIC: oc a ctes Bred FG CTs SBE E AREAS GES 0/180°
These specifications were determined and are presented in accordance
with specification standards established by the Ad Hoc Committee of Car
Stereo manufacturers.
Note:
Specifications and the design are subject to possible modification without
notice due to improvements.
6. SCHEMATIC CIRCUIT DIAGRAM (EQ-4000) ........ 11
7. CONNECTION DIAGRAM (EQ-4000) ......--: eee 13
8: EXPLODED WIEW! cucusmpsi iss ncemgemn geeay exncmmnsinngg aa s 15
9. ELECTRICAL PARTS) LIST 20... cccnteceassuiedaneneseneniee 18
10; PACKING METHOD: 42: ccssesssanuan ceases toamraets eninge 20
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario LR 8E3 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 2740 Beveren, Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia TEL: [03] 580-9911
© PIONEER ELECTRONIC CORPORATION 1989
ES JUNE 1989 Printed in Japan