System, Trident protection circuitry, Troubleshooting – Soundstream Technologies 255 User Manual

Page 14: Service, Only!)

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background image

SYSTEM

ONLY!)

6

channels of input

channel operation

with

rear satellite fading subwoofer control

channels high pass 2-way, rear de-emphasis engaged

subwoofer

in low

CHANNELS

CHANNELS

M L

4

LEFT

1.0

TRIDENT PROTECTION CIRCUITRY

Your

are

protected against both overheating

and short circuits

power fuses

and the following circuits:

Speaker Protection

Ground fault Protection

A fail-safe

thermal protection

circuit

NOTE: If you experience blown main power supply fuses, it is

that the amplifier is seeing a dead short, either in the speaker wire or

in the

speaker itself.

the problem before bowing multiple

fuses! DO NOT increase values beyond the original fuse value!
Doing so

void your warranty and may damage your amplifer.

TROUBLESHOOTING

PROBLEM

CAUSE

No Sound and power LED is not

1. No power or ground at the amp

2. No

remote turn-on signal

3.

Blown fuse near the battery

1.

No signal input

No sound, power LED is lit

2. The

Remote Bass accessory

switch is in the

position.

Move it to the “OUT” position.

Amplifier output cuts off and on

repeatedly

1. Speaker output may be shorted
to ground. Check for resistivity

with an volt meter.

2. Speaker leads may be shorted

to each other. Check for continuity
with an volt meter.

Repeatedly blow amp fuse;
frequent activation of Trident
protection circuit

Fuse LED is lit

1. Speaker or leads may be
shorted
2. Verify adequate amp ventilation

The power supply fuses on the

bottom of the amplifier are blown

SERVICE

Your

Soundstream

amplifier

is

protected by a limited warranty.

Please read and send in the

enclosed warranty card.

27

26

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This manual is related to the following products:

555, 355