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
RRV2074
T-ZZW DEC. 1998 Printed in Japan
FOR PRECAUTION OF
REASSEMBLY AND DISASSEMBLY
SPEAKER SYSTEM
S-A770V
XC
This product is component of system.
For the operating instructions, refer to the service manual RRV2065 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
upward, and fit the boss of the cosmetic baffle to the hollow of
the flame. To attach the woofer ring assy and the woofer, re-
place 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.
65S
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
NSP
Cabinet
264264
Network ASSY
264279
CS Cord
264284
Non Skid Pad
254024
Gasket (for Baffle width)
254019
Gasket (for Baffle height)
263994
NSP
Stamped Model Label (L)
SME2896
NSP
Model Label (L)
264299
NSP
Stamped Model Label (R)
SME2897
NSP
Model Label (R)
264308
NSP
Acoustic Absorbent
253774
Woofer Ring ASSY
264031
NSP
Woofer Ring
SNK2293
NSP
Cosmetic Ring ASSY
SXB1324
NSP
Punching Net
SNC1160
NSP
Cosmetic Ring
SNK2292
Baffle ASSY (L)
264046
NSP
Punching Net (L)
SNC1163
NSP
Cosmetic Baffle (L)
SNK2309
NSP
Duct
SNK2311
Baffle ASSY (R)
264051
NSP
Punching Net (R)
SNC1164
NSP
Cosmetic Baffle (R)
SNK2310
NSP
Duct
SNK2311
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)
FD87CC50-51F
Speaker (Tweeter)
E52AP39-55F
Screw (for Tweeter)
BPZ30P080FMC
Screw (for Mid-range)
BPZ40P100FMC
Screw (for Woofer Ring ASSY)
BPZ40P300FMC
Tapping Screw (for Baffle)
264115
Top Protector
264071
Bottom Protector
264086
Packing Case
264259
NSP
Polyethylene Bag S5
264244
For Packing
Woofer
INPUT
Red
Black
Red
Black
SCHEMATIC DIAGRAM
Network ASSY (264279)
Mid-range
2.2
µF
Tweeter
INPUT
Red
White
White
Blue
Blue
White
CS Cord (264284)