PIONEER S-A770VNC Service Manual

Cover page of PIONEER S-A770VNC Service Manual

Service Manual for PIONEER S-A770VNC, downloadable as a PDF file.

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ORDER NO.
PIONEER ELECTRONIC 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 ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1998
RRV2037
T-ZZW NOV. 1998 Printed in Japan
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
SPEAKER SYSTEM
S-A770V
XTL/NC
This product is component of system.
For the operating instructions, refer to the service manual RRV2008 for XR-A770.
The cosmetic baffle assy is attached to the cabinet by 4 external
screws. To detach the cosmetic baffle assy, loosen these
screws. Then carefully disconnect the wires of the woofer,
mid-range and tweeter mounted on the cosmetic baffle assy. To
attach the cosmetic baffle assy, replace it on the cabinet cor-
rectly and secure with 4 screws.
The woofer is attached to the cosmetic baffle assy together with
the woofer ring assy by 4 internal screws. To detach the woofer
(woofer ring assy), loosen these screws. To attach the woofer
ring assy, fit the boss of the woofer ring to the hollow of the
cosmetic baffle assy. To attach the woofer, face its terminal up-
ward, and fit the boss of the cosmetic baffle to the hollow of the
flame. To attach the woofer ring assy and the woofer, replace it
on the cosmetic baffle assy correctly and secure with 4 screws.
The mid-range is attached to the cosmetic baffle by 3 internal
screws. To detach it, unfasten those screws. When attaching it,
face its terminal downward.
The tweeter is attached to the cosmetic baffle by 2 internal
screws. To detach it, unfasten those screws. When attaching it,
face its terminal downward.
The network assy is attached to the back board of the cabinet
by press-fitting. To detach the network assy, strike the cord-
stopper of the network assy with a hammer from inside of the
cabinet. To attach the network assy, replace it on the back
board of the cabinet correctly by press-fitting.
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ORDER NO.
PIONEER ELECTRONIC 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 ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1998
RRV2037
T-ZZW NOV. 1998 Printed in Japan
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
SPEAKER SYSTEM
S-A770V
XTL/NC
This product is component of system.
For the operating instructions, refer to the service manual RRV2008 for XR-A770.
The cosmetic baffle assy is attached to the cabinet by 4 external
screws. To detach the cosmetic baffle assy, loosen these
screws. Then carefully disconnect the wires of the woofer,
mid-range and tweeter mounted on the cosmetic baffle assy. To
attach the cosmetic baffle assy, replace it on the cabinet cor-
rectly and secure with 4 screws.
The woofer is attached to the cosmetic baffle assy together with
the woofer ring assy by 4 internal screws. To detach the woofer
(woofer ring assy), loosen these screws. To attach the woofer
ring assy, fit the boss of the woofer ring to the hollow of the
cosmetic baffle assy. To attach the woofer, face its terminal up-
ward, and fit the boss of the cosmetic baffle to the hollow of the
flame. To attach the woofer ring assy and the woofer, replace it
on the cosmetic baffle assy correctly and secure with 4 screws.
The mid-range is attached to the cosmetic baffle by 3 internal
screws. To detach it, unfasten those screws. When attaching it,
face its terminal downward.
The tweeter is attached to the cosmetic baffle by 2 internal
screws. To detach it, unfasten those screws. When attaching it,
face its terminal downward.
The network assy is attached to the back board of the cabinet
by press-fitting. To detach the network assy, strike the cord-
stopper of the network assy with a hammer from inside of the
cabinet. To attach the network assy, replace it on the back
board of the cabinet correctly by press-fitting.
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2
NSP
Cabinet
SMM1832
Network ASSY
SWN1578
CS Cord (for Woofer)
SDD1262
Non Skid Pad
SEC1416
Gasket (for Baffle Wide)
SEC1414
Gasket (for Baffle Height)
SEC1424
NSP
Acoustic Absorbent
SMV1916
NSP
Stamped Model Label
SME2850
NSP
Model Label (L)
SAN2645
NSP
Stamped Model Label
SME2851
NSP
Model Label (R)
SAN2646
Baffle ASSY (L)
SXB1331
NSP
Punching Net (L)
SNC1163
NSP
Cosmetic Baffle (L)
SNK2309
NSP
Duct
SNK2311
Baffle ASSY (R)
SXB1332
NSP
Punching Net (R)
SNC1164
NSP
Cosmetic Baffle (R)
SNK2310
NSP
Duct
SNK2311
Woofer Ring ASSY
SXB1323
NSP
Woofer Ring
SNK2293
NSP
Cosmetic Ring ASSY
SXB1324
NSP
Punching Net
SNC1160
NSP
Cosmetic Ring
SNK2292
Mark No.
Description
Part No.
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.
S-A770V
Speaker (Woofer)
P16EN79-51F
Speaker (Mid-range)
FD87CC50-51C
Speaker (Tweeter)
E52AP39-55D
Screw (for Tweeter)
BPZ30P080FMC
Screw (for Mid-range)
BPZ40P100FMC
Screw (for Woofer and
BPZ40P300FMC
Woofer Ring ASSY)
Tapping Screw (for Cosmetic Baffle) SBA1162
Top Protector
SHA2154
Bottom Protector
SHA2155
Protection Sheet S3
SHC1730
Packing Case
SHG2150
NSP
Polyethylene Bag S5
SHL1230
SCHEMATIC DIAGRAM
For Packing
Network ASSY (SWN1578)
CS Cord (SDD1262)
Woofer
INPUT
Red
Black
Red
Black
Mid-range
2.2
µF
Tweeter
INPUT
Red
White
White
Blue
Blue
White

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