Pioneer SMR-7 Service manual

SPEAKER SYSTEM

S-MR7 XJI/UC

S-MR7 XJI/EW

This product is component of system.

ORDER NO.

RRV2248

Component

STEREO CD/CD-R RECIEVER
SPEAKER SYSTEM

65S
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.

Health & Safety Code Section 25249.6 – Proposition 65

System

X-MR7

XR-MR7

S-MR7

Service Manual

RRV2250
RRV2248

Remarks

This service manual

FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY

The grille is attached to the cabinet by catches.
To detach it, pull it toword you.

The woofer is attached to the baffle by 4 external screws. To
detach it, unfasten those screws. When attaching it, first face its
terminal upward. Then fit the both of the woofer into the hollow
on the baffle.

The tweeter is attached to the baffle by 4 external screws. To
detach it, unfasten those screws. When attaching it, first face
the cutting part of the flange downward. Then fit the both of the
tweeter into the hollow on the baffle.

PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 1999

T-ZZM DEC. 1999 Printed in Japan

S-MR7

PARTS LIST

NOTES:

Mark No. Description Part No.

NSP Cabinet (for UC Type) SMM1873
NSP Cabinet (for EW Type) SMM1878

NSP Grille Cloth SAS1467
NSP Cushion SEC1441

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.

Grille SMG1671

For Packing

Mark No. Description Part No.

Speaker Wire SDS1078
Protector(T) SHA2200
Protector(B) SHA2201
Packing Case (for UC Type) SHG2245
Packing Case (for EW Type) SHG2244

NSP Grille Frame SMH1007

Catch SNK2449
Network Assy SWN1620
Input Terminal KKX1014

NSP Badge SAM1471

Non Skid Pad SEC1374
NSP Stamped Model Label (for UC Type) SME2996
NSP Model Label SAN2781
NSP Stamped Model Label (for EW Type) SME2995
NSP Model Label SAN2780

NSP Paper Tube 45 SMR1311
NSP Acoustic Absorbent SMV1955

Speaker(WF) B13ER71-51D

Speaker(TW) FK26AP02-54D

Screw(for TW) SBA1178

Screw(for WF) SBA1179

Catch SLH1065

NSP Polyethylene Bag SHL1212

SCHEMATIC DIAGRAM

Network ASSY (SWN1620)

Blue

I N

White

1.5µF

2

Blue

White

RED

White

Woofer

Tweeter