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Pioneer S-7EX XTW/E Service Manual

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SPEAKER SYSTEM
S-7EX
NOTE
For better audio quality, the receptacle terminals and terminal fittings of the speaker unit are
soldered. When disassembling/reassembling the speaker unit, be sure to follow the instructions
in this manual. If you will be working on the speaker unit with it turned on its side, lay it on a
piece of soft cloth, etc., to protect the cabinet from being scratched.
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-
yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to
properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the
warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk
trying to do so and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to
cause cancer, birth defects or other reproductive harm.
CONTENTS
1. PARTS LIST ................................................................................. 2
3. SCHEMATIC DIAGRAM ............................................................... 9
4. JIG .............................................................................................. 10
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2006
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
XTW/E
Health & Safety Code Section 25249.6 - Proposition 65
ORDER NO.
RRV3339
T - ZZS FEB. 2006 Printed in Japan

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Summary of Contents for Pioneer S-7EX XTW/E

  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2006 T –...

  • Page 2: Parts List

    1. PARTS LIST NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 3 1.2 SPEAKER SYSTEM Upper side Lower side 50 (x6 /unit) WF lower side WF lower side lower Upper side side Upper side for the HPF input terminals Bottom side for the LPF input terminals Connect the cords with white tape to the Connect the cords with midrange unit.
  • Page 4 The direction of the cord The direction of the cord holes must be vertical. holes must be vertical. Lower side Upper side (40) (x4) B-B' Sectional view A-A' Sectional view HPF input (+) HPF input (-) Upper side Front View Lower side LPF input (-) LPF input (+)

  • Page 5: For Precaution Of Reassembly And Disassembly

    Screw (SBA1225) Screw (SBA1261) 4.2 max. (4.6) Screw (SBA1260) 4.2 max. 2. FOR PRECAUTION OF REASSEMBLY AND DISASSEMBLY 2.1 GRILLE How to disassemble How to reassemble 1 Loosen the finishing screws. Then remove the grille. 1 Insert the supplied fastening screws into the screw holes at the four corners of the speaker front.
  • Page 6 2.2 SPEAKER UNIT For better audio quality, the receptacle terminals and terminal fittings of the speaker unit are soldered. When disassembling/reassembling the speaker unit, be sure to refer to the following figures. Tools to be used • Hexagonal wrench (4 mm): GGK1024 •...
  • Page 7 2.3 NETWORK ASSY Before removing the Network Assy, remove the grille and each speaker unit then disconnect the cords from the speaker unit. • For removal/reattachment of the Network Assy for the woofer: Only the woofer must be removed. • For removal/reattachment of the Network Assy for the midrange/tweeter: Removal of all the units is required. 2.3.1 Network Assy for the Woofers 2.3.2 Network Assy for the midrange / •...
  • Page 8 2.3.3 Removal/Reattachment of Acoustic absorbent pads Removal/reattachment of acoustic absorbent pads is necessary before or after removal/reattachment of the Network Assy. Note: When reattaching the Network Assy for the midrange/tweeter, before reattaching the closure panel, be sure to remove the acoustic absorbent pads located behind the chamber.

  • Page 9: Schematic Diagram

    5. Acoustic absorbent pads behind the chamber for the midrange/tweeter When reattaching, push the 3 acoustic absorbent pads in behind the chamber. Chamber Acoustic absorbent pad A: Lay one acoustic absorbent pad on another and fold them lengthwise into four. Acoustic absorbent pad B Acoustic absorbent pad B Acoustic absorbent pad A...

  • Page 10: Jig

    4. JIG 7 Jigs list to be used Jig Name Part No. Remarks Phillips screwdriver (large) stubby GGK1012 For removal/reattachment of the Network Assy for type the midrange unit and the tweeter Soldering gun For removal/reattachment of the speaker unit GGK1069 Lead-free solder For removal/reattachment of the speaker unit...