22
TROUBLESHOOTING
PROBLEM
CAUSE
No sound and power LED is not lit
•
No power or ground at amp
•
No remote turn-on signal
•
Blown fuse near battery
No sound, a power LED is lit, and
the AIRBASS™ option has not
been added.
•
No signal input
•
The AIRBASS™ switch is in the
"IN" position. Move it to the
"OUT" position
Fault LED is lit
•
Amp power supply fuse is blown
or missing
Repeatedly blown amp fuse, fre-
quent activation of Smart Power
Supply Circuit
•
Speaker or leads may be shorted
•
Verify adequate amplifier ventila-
tion
Not enough input sensitivity while
using the Balanced input
•
Be sure both Left and Right Input
Signal Switches are set to the
"BAL" position
Left and Right Input Overload indi-
cators lighting
•
Input signal level is too high - re-
adjust input gains, or select the
0.5-5V input signal level range
Alternator whine while using Un-
balanced RCA inputs
•
Make sure the Right Input Signal
Switch is in the "UNBAL" posi-
tion.
•
Try the Left Input Signal Switch
in the "BAL" and "UNBAL" posi-
tion: leave the switch in the qui-
etest position. This will not effect
the performance of the amplifier.
SERVICE
Your Soundstream REFERENCE amplifier is protected by a limited warranty.
3
TABLE OF CONTENTS
Design Features
................................................................. 4 - 5
Reference500s Diagram
.................................................... 6 - 7
Reference700s Diagram
.................................................... 8 - 9
Reference1000s Diagram
.............................................. 10 - 11
High Power / Auto High Current™ Power Supply Design
..... 12
Protection Circuitry
................................................................ 12
Crossover Adjustments
......................................................... 13
AIRBASS™
........................................................................... 13
LSE.Q Theory and Use
.................................................. 14 - 15
Selecting Input Modes
........................................................... 16
Balanced / Unbalanced Input
................................................ 17
Wiring & Wiring Diagram
................................................ 18 - 19
Installation and Mounting
...................................................... 20
Level Setting
......................................................................... 21
Troubleshooting
.................................................................... 22
Service
.................................................................................. 22
Specifications
................................................................
....... 23