PIONEER X-A4900/NVXJ Service Manual

Cover page of PIONEER X-A4900/NVXJ Service Manual

Service Manual for PIONEER X-A4900/NVXJ, downloadable as a PDF file.

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ORDER NO.
PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2001
RRV2493
T-ZZM JULY 2001 Printed in Japan
S-A4900
XJI/EW
SPEAKER SYSTEM
This product is component of system.
System
Service Manual
Remarks
RRV2500
RRV2493
Component
X-A4900
XR-A4900
S-A4900
COMPACT MINI COMPONENT
STEREO CD CASSETTE DECK RECIEVER
SPEAKER SYSTEM
This service manual
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
The cosmetic baffle assy is attached to the cabinet by 4 external
hexagon socket screws. To detach the cosmetic baffle assy,
loosen these screws by the hexagon screw driver. Then care-
fully disconnect the wires of the woofer and mid-range
mounted on the cosmetic baffle assy. To attach the cosmetic
baffle assy, replace it on the cabinet correctly and secure with 4
screws.
The woofer is attached to the cosmetic baffle assy by 4 internal
screws. To detach it, unfasten these screws. When attaching it,
face its terminal downward.
The mid-range is attached to the cosmetic baffle assy by 2 inter-
nal screws. To detach the mid-range, loosen these screws. Then
carefully disconnect the wires of the tweeter mounted on the
cosmetic baffle assy by adhesion. To attach the mid-range, face
its terminal downward.
When exchange the tweeter, do it with the cosmetic baffle assy.
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ORDER NO.
PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2001
RRV2493
T-ZZM JULY 2001 Printed in Japan
S-A4900
XJI/EW
SPEAKER SYSTEM
This product is component of system.
System
Service Manual
Remarks
RRV2500
RRV2493
Component
X-A4900
XR-A4900
S-A4900
COMPACT MINI COMPONENT
STEREO CD CASSETTE DECK RECIEVER
SPEAKER SYSTEM
This service manual
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
The cosmetic baffle assy is attached to the cabinet by 4 external
hexagon socket screws. To detach the cosmetic baffle assy,
loosen these screws by the hexagon screw driver. Then care-
fully disconnect the wires of the woofer and mid-range
mounted on the cosmetic baffle assy. To attach the cosmetic
baffle assy, replace it on the cabinet correctly and secure with 4
screws.
The woofer is attached to the cosmetic baffle assy by 4 internal
screws. To detach it, unfasten these screws. When attaching it,
face its terminal downward.
The mid-range is attached to the cosmetic baffle assy by 2 inter-
nal screws. To detach the mid-range, loosen these screws. Then
carefully disconnect the wires of the tweeter mounted on the
cosmetic baffle assy by adhesion. To attach the mid-range, face
its terminal downward.
When exchange the tweeter, do it with the cosmetic baffle assy.
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2
S-A4900
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.
NSP
Cabinet
SMM1953
Network ASSY
SWN1678
Gasket (for Baffle horizontal)
SEC1359
Non Skid Pad
SEC1374
Gasket (for Baffle vertical)
SEC1380
NSP
Stamped Model Label (L)
SME3220
NSP
Model Label (L)
SAN2975
NSP
Stamped Model Label (R)
SME3221
NSP
Model Label (R)
SAN2976
Cosmetic Baffle ASSY (L)
SXB1432
NSP
Duct
SMR1334
NSP
Punching Net
SNC1183
NSP
Cosmetic Baffle (L)
SNK2511
Diaphragm ASSY 20
SXE1092
NSP
Ceramic Tweeter
SCA1017
NSP
Terminal (Red)
SKF1034
NSP
Terminal (Black)
SKF1035
Cosmetic Baffle ASSY (R)
SXB1433
NSP
Duct
SMR1334
NSP
Punching Net
SNC1183
NSP
Cosmetic Baffle (R)
SNK2512
Diaphragm ASSY 20
SXE1092
NSP
Ceramic Tweeter
SCA1017
NSP
Terminal (Red)
SKF1034
NSP
Terminal (Black)
SKF1035
Speaker (Woofer)
A14LU83-54D
Speaker (Mid-range)
E52AP39-60D
Screw (for Mid-range)
BPZ40P080FMC
Screw (for Woofer)
BPZ40P100FMC
Tapping Screw (for Cosmetic Baffle) SBA1162
Top Protector
SHA2282
Bottom Protector
SHA2283
Packing Case
SHG2359
NSP
Polyethylene Bag S5
SHL1212
Network ASSY (SWN1678)
SCHEMATIC DIAGRAM
Woofer
2.2
µF
Midrange
I N
Tweeter
Diaphragm ASSY 20
(In Cosmetic Baffle ASSY)
Red
White
Black
Black
Black
Red
Red
Red
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3
S-A4900
PRODUCT APPEARANCE
SECTION
A-A'
TO
MID
331
Silk
printing
2
8
230
6
1
7
14
11
3
4
5
13
15
(249)
166
319.5
(11.5)
A
A'
*This
product
appearance
shows
Rch.
Lch
is
symmetrical
to
center
line.
8
9
10
Gasket
Gasket
Model
Label
(R)
Non
Skid
Pad
Duct
Horizontal
Vertical
2
2
1
4
2
11
12
13
14
15
Punching
Net
7
Screw
Screw
Cabinet
Screw
Network
Assy
Speaker
Speaker
Speaker
1
1
1
1
1
1
1
4
4
2
6
5
4
3
2
1
Part
name
Num.
No.
Remarks
Part
name
Num.
No.
Remarks
Cosmetic
Baffle
(R)
M4x55
(Hexagon
socket)
M4x10
(Woofer)
M4x8
(Mid)
Woofer
(A14)
MID
(E52)
Tweeter
(PIEZO)

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