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ORDER NO.
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 2008
KRP-S04
ARP3510
T-ZZR SEP. 2008 Printerd in Japan
SPEAKER SYSTEM
KRP-S04
/SXTW/WL5
* Be careful in handling this product, because scratches on cabinet coating are easilynoticeable.
When working on this unit, be sure to place the cabinet on a piece of soft cloth for protection.
SERVICE PRECAUTIONS
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 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


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1. REASSEMBLY AND DISASSEMBLY PRECAUTIONS
Grille ASSY
Baffle
Grille ASSY
Baffle
Network ASSY
Input terminal
When reassembling it,
apply a adhesive to the screws.
1
2
1
Baffle
1.1 GRILLE ASSY
Disassembly
The Grille Assy is secured to the baff le plate with adhesive
double side coated tape and bosses. When removing the Grille
Assy, it is necessary to wear cotton gloves.
Remove it from the under side.
(1) Insert the tip of your gloved finger into the gap between the
Grille Assy in front and the corner of the baffle plate so that
the Grille Assy is slightly lifted.
1.2 WOOFER
Disassembly
The woofer is attached to the baffle plate by internal four screws.
To remove the woofer, first remove the baffle plate.
Reassembly
When reassembling the woofer, face its plus terminal downward.
1.3 TWEETER
Disassembly
The tweeter is attached to the baffle plate by internal two screws.
To remove the tweeter, first remove the baffle plate.
Reassembly
When reassembling the tweeter, face its plus terminal leftward.
Network Assy (Caution)
When removing the Network Assy, pull it out a little at a time
from alternate sides, because it is seated tightly.
Baffle Assy (Caution)
When reassembling the cabinet and the baffle plate, secure the
screws in the order shown in the figure below:
Reassembly
Remove the old adhesive double side coated tape attached
between the rear side of the Grille Assy and the front side of the
Baffle, and then attach new one. Press the bosses into the baffle
plate and press the entire grille into position.
(2) Insert the gloved finger to the extent of the second joint into
the gap between the cabinet and the Grille Assy.
(3) Alternately and gradually lift the left and right sides of the
Grille Assy by about 5 cm, sliding gloved fingers along the
cabinet. When lifting the Grille Assy, be sure to lift the left
and right side alternately, but not both sides simultaneously.
Note: Be careful not to bend the Grille Assy too far. Otherwise, it
may be damaged.
OK : Good example NG : Bad example
1
Baffle
OK
NG
6
7
8
9
2
3
4
5


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2. EXPLODED VIEWS AND PARTS LIST
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:
2.1 PACKING
NSP 1
1..Operating Instruction Set
SME3877
NSP 2
2..Service Network
ARY1127
3
2..Operating Instruction
SRD1390
(Japanese/English/French/German/
Italian/Dutch/Spanish/Russian/
Swedish/Chinese)
4
2..Polyethylene bag S2
SHL1437
NSP 5
1..Warranty Card Assy
SME3887
NSP 6
2..Label Serial
SRW1111
NSP 7
2..Warranty Card
SRY1038
8
2..Polyethylene bag S0
SHL1482
NSP 9
1..Screws Set
SME3852
10
2..Screw M5
SBA1292
11
2..Polyethylene bag S0
SHL1438
12
1..Gasket Set
SME3872
NSP 13
2..Gasket
SEC2259
14
2..Polyethylene bag S2
SHL1437
NSP 15
Bracket Set
SME3873
NSP 16
Bracket Set
SME3874
17
Protector
SHA2620
18
Protection Sheet S3
SHC1872
19
Packing Case
SHG2838
NSP 20
Label Serial
SRW1112
NSP 21
Inner Carton Board
SHB1187
NSP 22
Inner Carton Board
SHB1202
PACKING Parts List
Mark No.
Description
Part No.
Mark No.
Description
Part No.
Tape
Tape
Tape
Tape
Tape
(2/2)
(1/2)
Adhesive
Refer to "2.2 BRACKET
and BRACKET SETS".
Refer to "2.3 CS ASSY-S".


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2.2 BRACKET SET
1
Polyethylene Bag S0
SHL1466
2
1..Bracket Assy (L-Top)
SXG1194
NSP 3
2..Label (L-Top)
SAK6005
4
2..Gasket
SED1198
5
2..Gasket
SED1199
NSP 6
2..Bracket (L-Top)
SNA1512
7
1..Bracket Assy (R-Bottom)
SXG1197
NSP 8
2..Label (R-Bottom)
SAK6006
9
2..Gasket
SED1198
10
2..Gasket
SED1199
NSP 11
2..Bracket (L-Top)
SNA1512
BRACKET SET Parts List (SME3873)
2.3 CS ASSY-S
[2] BRACKET SET (SME3874)
[1] BRACKET SET (SME3873)
Tape
Tape
1
Polyethylene Bag S0
SHL1466
2
1..Bracket Assy (R-Top)
SXG1195
NSP 3
2..Label (R-Top)
SAK6007
4
2..Gasket
SED1198
5
2..Gasket
SED1199
NSP 6
2..Bracket (R-Top)
SNA1513
7
1..Bracket Assy (L-Bottom)
SXG1196
NSP 8
2..Label (L-Bottom)
SAK6004
9
2..Gasket
SED1198
10
2..Gasket
SED1199
NSP 11
2..Bracket (R-Top)
SNA1513
1
1..CS Assy-S
- - - - - - -
NSP 2
2..Model Label
SAN4059
NSP 3
2..Caution Label
SRR1034
NSP 4
2..Label Serial
SRW1111
NSP 5
2..CS Assy
SMW2045
BRACKET SET Parts List (SME3874)
CS ASSY-S Parts List
Mark No.
Description
Part No.
Mark No.
Description
Part No.
Mark No.
Description
Part No.


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Cabinet (Inside)
Baffle (Front)
Grille (Front)
(Rear)
Grille (Back)
Baffle (Back)
2.4 CS ASSY