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ORDER NO.
PIONEER ELECTRONIC 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 ELECTRONIC CORPORATION 1999
RRV2128
T-ZZM MAY. 1999 Printed in Japan
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
This product is component of systems.
SPEAKER SYSTEM
S-IS21
XE
The cosmetic baffle is attached to the baffle by its bosses and
press-fitting.
To detach it, pry it open by inserting a flat blade screwdriver
into the cosmetic baffle lower side.
Be careful not to damage the cosmetic baffle and cabinet in
this case.
The woofer is attached to the baffle by 4 external screws.
To detach it, first remove the cosmetic baffle.
Next unfasten those screws.
Then remove the woofer.
When attaching it, face its terminal downward.
The midrange is attached to the baffle by 2 external screws.
To detach it, first remove the cosmetic baffle.
Next unfasten those screws.
Then remove the midrange.
When attaching it, face its terminal upward.
The tweeter is attached to the baffle by inserting.
To detach it, first remove the cosmetic baffle.
Next pull it off the baffle.
Then remove the tweeter.
When attaching it, insert the tweeter in the baffle.
IS-21T
XC-IS21T
­
M-IS21
S-IS21
System
Service Manual
Remarks
RRV2123
RRV2124
RRV2129
RRV2128
Component
IS-21MD
­
XC-IS21MD
M-IS21
S-IS21
CD TUNER DECK
CD MD TUNER
STEREO POWER AMPLIFIER
SPEAKER SYSTEM
This service manual


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2
S-IS21
Speaker Cord
FRDD-041
Non-Skid Pads
FREC-021
Top Protector
FRHA-169
Bottom Protector
FRHA-170
Protection Mat S3
FRHC-028
Packing Case
FRHG-250
NSP
Cabinet
FRMM-191
NSP
Inner Baffle
FRNK-350
Network ASSY
FRWN-154
NSP
Label Back
FRAN-280
Input Terminal
FRKX-013
NSP
Acoustic Absorbent
FRMV-027
NSP
Punching Net
FRNC-020
Cosmetic Baffle ASSY
FRXB-033
NSP
Cosmetic Baffle
FRNK-351
NSP
Cosmetic Ring
FRNK-352
Speaker (Woofer)
A16LC83-51D
Speaker (Mid-range)
FD66AP45-54D
Screw (for Woofer)
BYC40P160FMC
Mark No.
Description
Part No.
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.
Network ASSY (FRWN-154)
SCHEMATIC DIAGRAM
Woofer
Mid-range
I NPUT
Tweeter
1.5
µF/63V
Blue
White
Red
Black
Green
White
White
Blue


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3
S-IS21
8
9
12
10
1
Staple
4
11
Input
Terminal
71
Punching
Net
1
1
Label
Back
Cosmetic
Baffle
Assy
Baffle
Board
Cabinet
Acoustic
Absorbent
Speaker
Speaker
Speaker
2
1
1
1
1
1
6
5
4
3
2
1
Woofer
Part
name
Num.
No.
Remarks
Part
name
Num.
No.
Remarks
Mid-range
1
Network
Assy
Tweeter
Screw
13
6
3
2
5
6
7
8
10
1
11
12
13
9
4
RANGE
To
WOOFER
TERMINAL
To
Tweeter
WHITE
CONNECTOR
BLUE
CONNECTOR
GREEN
CONNECTER
To
MID
To
INPUT
(210)
(366.5)
(265)
(191)
PRODUCT APPEARANCE