Pioneer spj 420 service manual

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(U) PIONEER

The Art of Entertainment

Service
Manual

ORDER NO.
RRV 1 050
SOUND FIELD PROCESSOR
SOUND IMAGE CONTROLLER
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODELIS) AND TYPEISI.
Model _
Type SP-J720K SP-J420 GR-J320 Power Requrrement Remarks
ADL O O O
AEIW . O - - AC power supplied from power transformers
AEZIW _ O O secondary of other system component
AB - O O

.These products are systems components.

Each of these products does not function properly when independent ; to avoid malfunctions, be
sure to connect it to the prescribed system componentis), otherwise damage may result.

These products' instructions are contained within the instruction manual of the related system com-
ponentls).

The manual is packed with those component(sl.

These products' accessories etc. are packed with their related componentIs).

OWhen SP-J720K is operated independently. connect AC26V to MAIN ASSY TP terminals A01

and AC2, and connect input/ output signals to TP terminals of L IN, R IN, L OUT, R OUT, C OUT,
and S OUT.
At this time, since communication between SX-J720 and CLD-J720 is terminated, all opera-
tions cannot be confirmed. (KARAOKE MPX cannot be switched to Hi-Fi MPX.) Also, keep in mind
that, after SCENE SELECTOR changeover and other keys are operated, there is a 2-second delay
before they operate.

PIONEER ELECTRONIC CORPORATION 4-1. Meguro l-Chorne, Meguro-ku, Tokyo 153. Japan

PIONEER ELECTRONICS SERVICE INC. P.O. Box 1760. Long Beach. California 90801 USA.

PIONEER ELECTRONICS OF CANADA, INC. 300 Allstate Parkway Markham. Ontario L3H 0P2 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1. 9120 Melsele. BBIQIUHI

PIONEER ELECTRONICS AUSTRALIA PTY. IJD. 178-184 Boundary Road, Braesvde. VICIOIla'3195. Australia TEL: [03] 580-9911

© PIONEER ELECTRONIC CORPORATION 1993 O-DFN DEC. 1993 Printed in Japan

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SP-J720K,-.SP-J420, GR-JSZO

CONTENTS

CHAPTER 1
1.1 PANEL FACILITIES ........................... 1....2
1.2 SPECIFICATIONS ........................... I.._4
1'3 ADJUSTMENTS .............................. 1- 5
1'4 IC INFORMATION ........................... 1-6
1.5 PARTS LIST FOR EXPLODED VIEWS 1-8
1.6 PCB PARTS LIST .............................. 1-9

1.1 PANEL FACILITIES

FRONT PANEL FACILITIES

CHAPTER 2
2.1 EXPLODED VIEWS --------------------------- 2-3
2.2 SCHEMATIC AND PCB CONNECTION
DIAGRAMS .................................... 2_5

This unit features an illumination guide function which uses
flashing indicators to show which controls should be
manipulated next.

ISP-J720KI
®
(9)
[SPJ 4201
[G R-J320I