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 2006
RRV3363
T ZZS FEB. 2006 Printed in Japan
1. FOR PRECAUTION OF REASSEMBLY AND DISASSEMBLY
CS Assy (Front, Surround)
The grille is attached to the cabinet by 6 external screws.
To detach it, unfasten those screws.
The speaker unit, together with the grille, is attached to the
cabinet by 4 external screws.
To detach it, first unfasten those screws. Next remove the cabi-
net. Then remove the cable.
When attaching it, face its terminal downward.
SPEAKER SYSTEM
Front
Surround
Center
S-ST404
XTW/WL5
CS Assy (Center)
The grille assy is attached to the cabinet by 8 external screws.
To detach it ,unfasten those screws.
The speaker unit, together with the grille assy, is attached to the
cabinet by 4 external screws.
To detach it, first remove the grille assy. Next remove the cabi-
net. Then remove the cable.
When attaching it, face its terminal toward the input terminal.
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
2
1
23
4
12
3
4
C
D
F
A
B
E
S-ST404
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. PARTS LIST
8
3
7
4
9
1
2
6
5
NSP
1
CS Assy (Front, Surround)
SMW1930
NSP
2
CS Assy (Center)
SMW1931
NSP
3
Accessory Set
SME3720
Speaker Wire (FL: White)
SDS1174
Speaker Wire (FR: Red)
SDS1175
Speaker Wire (SL: Blue)
SDS1176
Speaker Wire (SR: Gray)
SDS1177
Speaker Wire (C: Green)
SDS1178
NSP
Screw Set
SME3721
Screw
CMZ50P120FNC
Polyethylene Bag S0
SHL1314
Non Skid Pad (for Subwoofer) SEC2070
Non Skid Pads
SEP1240
(for Front, Center, Surround)
Polyethylene Bag
SHL1251
Packing Parts List
NSP
Stand Set
SME3722
4
Stand
SNK2922
5
Polyethylene Bag S1
SHL1414
6
Protector
SHA2532
7
Polyethylene Bag S2
SHL1417
(for Center)
8
Polyethylene Bag S2
SHL1420
(for Front, Surround)
9
Packing Case
SHG2725
Mark No.
Description
Part No.
Mark No.
Description
Part No.
2-1. Packing
3
1
23
4
1
2
3
4
C
D
F
A
B
E
S-ST404
21
22
20
19
23
17
16
30
26
or 27
or 28
or 29
25
(x6)
24
18
136
100
CS Assy (Front, Surround) Parts List
NSP
16
Cabinet
SNK2923
17
Grille
SMG1867
NSP
18
Badge 28
SAM1506
NSP
Grille Cloth
SAS1606
NSP
Baffle
SNK2924
19
Connecting Cord
SDD1345
20
Input Terminal
SKX1096
NSP
21
Acoustic Absorbent
SMT1330
NSP
22
Plastic Cap
SNK2790
23
Speaker
K77DC55-51C
24
Screw (for Input Terminal)
BPZ35P080FTC
25
Screw (for Cabinet)
BPZ35P120FTB
NSP
26
Model Label (FL)
SAN3804
NSP
27
Model Label (FR)
SAN3805
NSP
28
Model Label (SL)
SAN3806
NSP
29
Model Label (SR)
SAN3807
NSP
30
Caution Label
SRW1075
2-2. CS Assy (Front, Surround)
Mark No.
Description
Part No.
4
1
23
4
12
3
4
C
D
F
A
B
E
S-ST404
>PS<
46 (x2)
47
51
43
50
(x8)
49
44
270
96
45
48
42
41
CS Assy (Center) Parts List
NSP
41
Cabinet
SNK2925
42
Grille
SMG1868
NSP
43
Badge 28
SAM1506
NSP
Grille Cloth
SAS1607
NSP
Baffle
SNK2926
44
Connecting Cord
SDD1345
45
Input Terminal
SKX1096
NSP
46
Acoustic Absorbent (White)
SMT1293
NSP
47
Plastic Cap
SNK2790
48
Speaker
K77DC55-51C
49
Screw (for Input Terminal)
BPZ35P080FTC
50
Screw (for Cabinet)
BPZ35P120FTB
NSP
51
Model Label (C)
SAN3808
2-3. CS Assy (Center)
Mark No.
Description
Part No.
5
1
23
4
1
2
3
4
C
D
F
A
B
E
S-ST404
3. SCHEMATIC DIAGRAM
INPUT
Speaker
White
Red
Connecting Cord (SDD1345)
1. CS Assy (Front, Surround, Center)