PIONEER S-A790VLR/XJI/E Service Manual

Cover page of PIONEER S-A790VLR/XJI/E Service Manual

Service Manual for PIONEER S-A790VLR/XJI/E, 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
c
S-A790VLR
RRV2495
T ­ ZZV JULY 2001 Printed in Japan
SPEAKER SYSTEM
XJI/E
This product is component of system.
Component
System
Service Manual
Remarks
COMPACT MINI COMPONENT
X-A790
STEREO CD CASETTE DECK RECEIVER
XR-A790
RRV2502
SPEAKER SYSTEM
S-A790VLR
RRV2495
This service manual
FRONT SP
SUPER WF
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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
c
S-A790VLR
RRV2495
T ­ ZZV JULY 2001 Printed in Japan
SPEAKER SYSTEM
XJI/E
This product is component of system.
Component
System
Service Manual
Remarks
COMPACT MINI COMPONENT
X-A790
STEREO CD CASETTE DECK RECEIVER
XR-A790
RRV2502
SPEAKER SYSTEM
S-A790VLR
RRV2495
This service manual
FRONT SP
SUPER WF
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S-A790VLR
2
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 mid-range and the tweeter
mounted on the cosmetic baffle assy. To attach the cosmetic
baffle assy, replace it on the cabinet correctly and secure with
4 screws.
The mid-range is attached to the cosmetic baffle assy by 4 inter-
nal screws. To detach it, unfasten those screws. When attaching
it, face its terminal downward.
The tweeter is attached to the cosmetic baffle assy by 2 internal
screws. To detach it, unfasten those screws. When attaching it,
face its terminal downward.
The network assy is attached to the bottom board by one internal
screw and adhesive. To detach it, unfasten that screw and pry it
out.To attach it, apply adhesive to the bottom board. Then press
it to the bottom board, and secure with one screw.When attach-
ing the network assy, do it carefully so that each wire is not
touched.
( for Front Speaker)
( for Super Woofer)
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 mounted on the cos-
metic 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 together with
the cosmetic ring assy by 4 internal screws. To detach the
woofer (cosmetic ring assy), loosen these screws. To attach the
cosmetic ring assy, fit the notch of the cosmetic ring to the pro-
jection of the cosmetic baffle assy. To attach the woofer, face
its terminal downward. To attach the cosmetic ring assy and
woofer, replace it on the cosmetic baffle assy correctly and se-
cure with 4 screws.
The network assy is attached to the bottom board by one inter-
nal screw and adhesive. To detach it, unfasten that screw and
pry it out. To attach it, apply adhesive to the bottom board.
Then press it to the bottom board, and secure with one screw.
When attaching the network assy, do it carefully so that each
wire is not touched.
SCHEMATIC DIAGRAM
I N
Red
Blue
1.2mH
0.39mH
1.8
µF
Black
Red
Black
White
Green
White
White
Red
Network ASSY (SWN1654)
Network ASSY (SWN1680)
Super
Woofer
Mid
Tweeter
I N
82
µF
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S-A790VLR
3
CS ASSY (Front Speaker)
PARTS LIST
NSP
Cabinet
SMM1892
Network Assy
SWN1680
Input Terminal
KKX1014
Non Skid Pad
SEC1374
Gasket (Baffle height)
SEC1437
Gasket (Baffle wide)
SEC1468
NSP
Stamped Model Label
SME3190
NSP
Model Label
SAN2990
NSP
Acoustic Absorbent
SMV1988
Cosmetic Baffle Assy
SXB1414
NSP
Punching Net
SNC1184
NSP
Cosmetic Baffle
SNK2468
Mark No.
Description
Part No.
Speaker (Mid)
W10DC61-53H
Speaker (Tw)
E52AP39-60F
Screw (for Tw/Mid)
BPZ40P080FMC
Screw (for Network Assy)
BYC40P250FZB
Tapping Screw
SBA1162
Top Protector
SHA2221
Bottom Protector
SHA2222
NSP
Polyethylene Bag
SHL1258
Mark No.
Description
Part No.
For Packing
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
NSP
CS ASSY (Front Speaker)
SMW1667
NSP
CS ASSY (Super Woofer)
SMW1668
Speaker Wire (for Front Speaker)
SDS1083
Speaker Wire (for Super Woofer)
SDS1084
Packing Case
SHG2366
PARTS LIST
CS ASSY (Super Woofer)
PARTS LIST
NSP
Cabinet
SMM1893
Network Assy
SWN1654
Input Terminal
KKX1016
Non Skid Pad
SEC1374
Gasket (Baffle wide)
SEC1477
Gasket (Baffle height)
SEC1478
NSP
Stamped Model Label
SME3191
NSP
Model Label
SAN2991
NSP
Acoustic Absorbent
SMV1886
Cosmetic Baffle Assy
SXB1415
NSP
Duct
SMR1317
NSP
Cosmetic Baffle
SNK2469
Cosmetic Ring Assy
SXB1437
NSP
Punching Net
SNC1183
NSP
Cosmetic Ring
SNK2531
Mark No.
Description
Part No.
For Packing
Mark No.
Description
Part No.
Speaker (Super Woofer)
B18LU86-52F
Screw
BPZ40P160FMC
(for Super Wf,Cosmetic Ring Assy)
Screw (for Network Assy)
BYC40P300FMC
Tapping Screw
SBA1162
Top Protector
SHA2223
Bottom Protector
SHA2224
NSP
Polyethylene Bag
SHL1212
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S-A790VLR
4
PRODUCT APPEARANCE
CS ASSY (Front Speaker)
CS ASSY (Super Woofer)
No.
1
2
3
4
5
6
7
1
1
1
1
1
1
2
Speaker
Tw (E52 type)
Speaker
Mid (W10 type)
Cabinet
Cosmetic Baffle Assy
Input Terminal
Acoustic Absorbent
Gasket
Gasket
Non Skid Pad
Screw
PPZ40P080FMC
BYC40P250FZB
SBA1162
Tapping Screw
Model Label
Network Assy
Screw
2
4
4
4
1
1
1
8
9
10
11
12
13
14
Num
Part name
Remarks
No.
Num
Part name
Remarks
No.
1
2
3
4
5
6
7
1
1
1
1
1
1
2
Speaker
Woofer (B18 type)
Cabinet
Cosmetic Baffle Assy
Woofer Ring Assy
Input Terminal
Acoustic Absorbent
Gasket
Gasket
Non Skid Pad
Screw
BPZ40P160FMC
BYC40P300FMC
SBA1162
Tapping Screw
Model Label
Network Assy
Screw
2
4
4
4
1
1
1
8
9
10
11
12
13
14
Num
Part name
Remarks
No.
Num
Part name
Remarks
2
1
5
4
11
13
14
12
6
5
7
3
9
145
166
235
320
(Red-White Cord)
(Red-Black Cord)
(Green-White Cord)
(Red-Black Cord)
194
281.5
11
14
12
14
13
3
4
1
9
6
5
5
2
7
230
320
(Blue-White Cord)

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