Pioneer SIS-21 Service manual

SPEAKER SYSTEM

S-IS21XE

This product is component of systems.

ORDER NO.

RRV2128

Component

CD TUNER DECK
CD MD TUNER
STEREO POWER AMPLIFIER
SPEAKER SYSTEM

IS-21T

XC-IS21T

M-IS21

S-IS21

System

–

FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY

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.

IS-21MD

–

XC-IS21MD

M-IS21

S-IS21

Service Manual

RRV2123
RRV2124
RRV2129
RRV2128

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.

Remarks

This service manual

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.

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

T-ZZM MAY. 1999 Printed in Japan

S-IS21

PARTS LIST

NOTES:

Mark No. Description Part No.

NSP Cabinet FRMM-191
NSP Inner Baffle FRNK-350

NSP Label Back FRAN-280

NSP Acoustic Absorbent FRMV-027
NSP Punching Net FRNC-020

NSP Cosmetic Baffle FRNK-351
NSP Cosmetic Ring FRNK-352

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.

Network ASSY FRWN-154

Input Terminal FRKX-013

Cosmetic Baffle ASSY FRXB-033

Speaker (Woofer) A16LC83-51D
Speaker (Mid-range) FD66AP45-54D
Screw (for Woofer) BYC40P160FMC

For Packing

Mark No. Description Part No.

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

SCHEMATIC DIAGRAM

Network ASSY (FRWN-154)

Blue

I NPUT

White

1.5µF/63V

Woofer

Blue

White

Green

White

Black

Red

Tweeter

Mid-range

2