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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 2006
RRV3471
T ­ ZZM AUG. 2006 Printed in Japan
PDP-S50
PDP-S50
XIN/E5
SPEAKER SYSTEM
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


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PDP-S50
1.REASSEMBLY AND DISASSEMBLY PRECAUTIONS
The grille ASSY is attached to the baffle using double-sided
self-adhesive tape. To avoid damaging the cabinet, work with
the speaker on top of a blanket or similar, face the grille ASSY
upward.
There is slot in the lower part of the speaker. To detach it, first
push up the lower part by inserting a screwdriver(-) into slot.
Taking care not to damage the grille and baffle, lift the grille a
little bit at a time with hand. Though they are attached tight at
center position, do more cafully.
*Be careful not to damage the grille ASSY by bending too much.
Grille ASSY
Baffle
Grille ASSY
Baffle
LOCATIONS TO FIX DOUBLE-SIDED
SELF-ADHESIVE TAPE
Tape
(SEH1077 x2)
Grille ASSY
(Back Side)
Baffle
Tape
(SEH1094 x2)
Tape
(SEH1088 x2)
(32)
GRILLE ASSY
Slot
Screwdriver(-)
Grille ASSY
Baffle
When reattaching the grille ASSY, use double-sided self-adhe-
sive tape in the locations shown in the diagram and press the
grille ASSY into place.


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PDP-S50
The woofer is attached to the baffle by 4 internal screws. To
detach it, first remove the baffle from cabinet by unfastening
external 16 screws. Then unfasten those screws. When attach-
ing it, face its plus terminal downward.
When changing it, stick the felt(SED1123 4pcs.) on the speci-
fied position of the woofer frame.
16 SCREWS
(BPZ40P100FTB)
Baffle
The tweeter is attached to the baffle by 2 internal screws. To
detach it, first remove the baffle from cabinet. Then unfasten
those screws. When attaching it, face its plus terminal (bigger
terminal) rightward.
LOCATIONS TO FIX FELT
Felt
(SED1123)
Felt
(SED1123)


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PDP-S50
NSP 10
Accessory Set
SME3676
NSP
Polyethylene Bag S1
KHL1079
NSP
Screws Set
SME3677
Screw
BMZ50P100FTB
NSP
Polyethylene Bag S0
KHL1081
Speaker Wire Set
SME3678
NSP
Polyethylene Bag S0
KHL1081
NSP
Speaker Wire
SDS1189
NSP 11
Bracket Assy Set
SME3681
12
Case
SHA2513
13
Case
SHA2514
14
Protection Sheet S1
SHC1831
15
Protection Sheet
SHC1837
16
Protection Sheet
SHC1838
17
Bracket (L-Top) Assy
SXG1090
18
Bracket (L-Bot) Assy
SXG1091
19
Bracket (R-Top) Assy
SXG1092
20
Bracket (R-Bot) Assy
SXG1093
1
Foam Pad
SHA2512
2
Protector
SHB1168
3
Protector
SHB1169
4
Packing Case
SHG2750
5
Packing Bag S2
SHL1363
NSP
6
Label Serial
SRW1087
NSP
7
CS ASSY
SMW1943
8
Gasket Set
SME3674
NSP
Gasket
SEC1978
NSP
Polyethylene Bag S2
SHL1309
NSP
9
Inst. Manual Set
SME3732
NSP
Polyethylene Bag S2
SHL1309
Operating Instructions
SRD1327
(English, French)
2.EXPLODED VIEW
2.1 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:
PACKING PARTS LIST
Mark No.
Description
Part No.
Mark No.
Description
Part No.
8
9
11
2
1
5
7
4
6
1
10
3
6
12
15
16
14
13
19
20
18
17
14
15
16


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PDP-S50
Mark No.
Description
Part No.
Mark No.
Description
Part No.
1
Bracket (L-Top) ASSY
SXG1090
NSP
2
Label(L-Top)
SAK1016
3
Gasket
SEC1979
4
Gasket
SEC1980
NSP
5
Tape
SEH1078
NSP
6
Bracket(L-Top)
SNA1451
NSP
7
Cover L-T
SNN1058
8
Bracket (L-Bot) ASSY
SXG1091
NSP
9
Label(L-Bottom)
SAK1017
10
Gasket
SEC1979
11
Gasket
SEC1981
NSP 12
Tape
SEH1078
NSP 13
Bracket(L-Bottom)
SNA1452
NSP 14
Cover L-B
SNN1059
2.2 BRACKET ASSY
15
Bracket (R-Top) ASSY
SXG1092
NSP 16
Label(R-Top)
SAK1018
17
Gasket
SEC1979
18
Gasket
SEC1980
NSP 19
Tape
SEH1078
NSP 20
Bracket(R-Top)
SNA1453
NSP 21
Cover R-T
SNN1060
22
Bracket (R-Bot) ASSY
SXG1093
NSP 23
Label(R-Bottom)
SAK1019
24
Gasket
SEC1979
25
Gasket
SEC1981
NSP 26
Tape
SEH1078
NSP 27
Bracket(R-Bottom)
SNA1454
NSP 28
Cover R-B
SNN1061
BRACKET ASSY PARTS LIST
(1
)
(1)
(1
)
(1)
27
24
25
23
Bracket (L-Top) ASSY
Bracket (L-Bot) ASSY
Bracket (R-Top) ASSY
Bracket (R-Bot) ASSY
6
3
4
2
7
5
13
10
11
9
14
12
1
15
22
8
26
28
21
16
20
17
18
19