SRS1500 modification SSE August 2000
SRS1500 mod.pdf, page 1 of 1
SRS1500 active speaker modification
Models affected:
All SRS1500 120Volt and 100Volt active speakers. The 230Volt and 220Volt models are not affected.
Add this as part of your normal repair procedures.
Symptom:
No power, no LED
Possible Cause:
Blown AC fuse
Solution:
Increase the fuse size from 7 amps to 10 amps, to overcome the possibility of the fuse blowing under certain
turn-on and transient conditions.
Safety Warning:
Caution! These instructions are for use by qualified personnel only. To avoid electric shock, do not
perform any servicing unless you are qualified to do so. Refer all service to qualified personnel.
Tools Required:
Phillips screwdriver.
Parts Required:
Fuse
510-045-00
10 Amp, Slo Blo, 5 x 20mm
Fuse label
840-430-00
Procedure:
1.
Remove all cords (including the power cable and input cable) from the speaker.
2.
Lay the speaker on its front on a soft carpet or surface.
3.
Take off the amplifier panel assembly by removing the two screws along the rear edge of the top
of the speaker cabinet, and the two screws in the bottom. Take care to undo the LED wires and
the speaker connector before removing the amplifier panel.
4.
Locate the AC input board and replace the fuse F1
with the new 10A fuse.
5.
Add the fuse label over the silkscreen markings next
to the fuse.
6.
Reconnect the speaker connector and the LED
connector.
7.
Secure the amplifier panel back into the cabinet.
8.
Reconnect the power cord and turn on the speaker.
9.
Perform a complete specification and safety test
before returning the speaker to the customer.
