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