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ORDER NO.
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
RRV2248
T-ZZM DEC. 1999 Printed in Japan
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
This product is component of 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
Service Manual
Remarks
RRV2250
RRV2248
Component
X-MR7
XR-MR7
S-MR7
STEREO CD/CD-R RECIEVER
SPEAKER SYSTEM
This service manual
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.
S-MR7
XJI/UC
S-MR7 XJI/EW
SPEAKER SYSTEM


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2
S-MR7
Mark No.
Description
Part No.
Network ASSY (SWN1620)
SCHEMATIC DIAGRAM
For Packing
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.
NOTES:
PARTS LIST
Mark No.
Description
Part No.
NSP
Cabinet (for UC Type)
SMM1873
NSP
Cabinet (for EW Type)
SMM1878
Grille
SMG1671
NSP
Grille Cloth
SAS1467
NSP
Cushion
SEC1441
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
Speaker Wire
SDS1078
Protector(T)
SHA2200
Protector(B)
SHA2201
Packing Case (for UC Type)
SHG2245
Packing Case (for EW Type)
SHG2244
NSP
Polyethylene Bag
SHL1212
Woofer
1.5
µF
Tweeter
I N
White
RED
White
Blue
White
Blue


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3
S-MR7
PRODUCT APPEARANCE
182
320
12
11
6
5
4
3
2
1
(232.5)
210
to
Input
Terminal
to
WF
to
TW
13
15
14
10
9
8
7
No.
1
2
3
4
5
6
7
8
9
10
Part
name
Cabinet
Speaker
(Tweeter)
Catch
Speaker
(Woofer)
Grille
Badge
Duct
Stamped
Model
Label
Input
Terminal
Acoustic
Absorbent
Num.
1
1
4
1
1
1
1
1
1
1
Remarks
No.
11
12
13
14
15
16
17
18
19
20
Part
name
Screw
(M3)
Screw
(M4)
Staple
Network
Assy
Non
Skid
Pad
Num.
4
4
2
1
4
Remarks