Bose 802-II User Manual

5
5. Cut the wires connected to the driver as
cI ose to the termi nals as possible. Take note
as to which color wire(s) is connected to
each terminal of the driver.
6.
Strip the wires and reconnect to the re-
placement driver. If there is any question
as to color or polarity, refer to the sche-
matic diagram for the proper color codes.
7. Align
the driver and gasket to the j-clips,
and
secure the driver with three (3) screws.
8. Perform audible testing to assure all dri-
vers and the Directivity Control circuits are
functioning properly.
9.
If repair is complete, remount gr ille. If
there is a fault with the Directivity Control
Circuit, proceed to Directivity Control Com-
ponent Replacement instructions below.
802-11 DIRECTIVITY CONTROL
COMPONENT REPLACEMENT
NOTE: The
Directivity Control effects the
dispersion pattern of the 802-11 speaker. If
an 802-11 is brought in for ANY complaint,
the Directivity Control MUST be tested to
assure proper operation of the speaker. (See
Troubleshooting Guide).
I.
Locate Drivers I, 2, 3, and 4 (See Driver
Location Drawing, Fig. 3) and perform steps
1 thru 3 of the Driver Test and Replacement
procedure.
2. Move acoustic foam, and the harness
wires
attached to the drivers, back to ex-
pose the Directivity Control. (See Fig. 4 for
location of circuit.)
3. Remove and replace the defective com-
ponent.
4.
Return the acoustic foam and all harness
wires
to their original position.
5. Align
each driver and gasket to the
j-clips, and secure each driver with three (3)
screws.
6.
Perform Test Procedure to assure proper
repair and no wire buzzes have developed.
7.
Remount grille.
802-11 AND 802W-1I TROUBLESHOOTING GUIDE
The following guide will assist you in determining fault areas. NOTE: THIS GUIDE USES THE
FOLLOWING FREQUENCIES: 15Hz, 100Hz, 10kHz. Some
of the drivers listed as inoperative
are reproducing at REDUCED output.
SYMPTOM
1. SOUND, ALL DRIVERS AT 15HZ:
SOUND, ALL DRIVERS AT 100HZ:
SOUND, DRIVERS 1, 2 AT 10KHZ:
2. NO SOUND, ALL FREQUENCI ES:
3.
NO SOUND, ALL DRIVERS AT 15HZ:
DRIVERS 3,4,5,6, INOP AT 100HZ:
DRIVERS 3,4 INOP AT 10KHZ:
4. NO SOUND, ALL DRIVERS AT 15HZ:
DRIVERS 5,6,7,8 INOP AT 100HZ:
DRI VERS 5, 6 I NOP AT 10KHZ:
5. NO SOUND, ALL DRIVERS AT 15HZ:
DRIVERS 5,6,7,8 INOP AT 100HZ:
DRIVERS 7, 8 INOP AT 10KHZ:
6. SOUND, ALL DRIVERS AT 15HZ:
SOUND, ALL DRIVERS AT 100HZ:
SOUND, DRIVERS 1, 2,3,4 AT 10KHZ:
7. SOUND, ALL DRIVERS AT 15HZ:
SOUND, ALL DRIVERS AT 100HZ:
SOUND, DRIVERS 1, 2, 7, 8 AT 10KHZ:
DEFECT
A. SPEAKER CHECKS GOOD.
A. OPEN FUSE (802-11 ONLY)
B. DRIVER 1 OR 2 OPEN (SEE FIG. 3)
A. DRIVER 3 OR 4 OPEN (SEE FIG. 3)
A. DRIVER 5 OR 6 OPEN (SEE FIG. 3)
A. DRIVER 7 OR 8 OPEN (SEE FIG. 3)
A. OPEN c-t ON DIRECTIVITY CONTROL
CIRCUIT
A. OPEN C-2 OR PTC ON DIRECTIVITY
CONTROL CI RCUIT

Bose 802-II Specifications

General

Brand	Bose
Model	802-II
Category	Speakers
Language	English