Crown Audio 133472-1A No Power, Troubleshooting, Amplifier Application Guide, Internal, External

Models: 133472-1A

1 35
Download 35 pages 15.14 Kb
Page 24
Image 24
Chapter 2: Troubleshooting

24

Chapter 2: Troubleshooting

2.1 No Power

Figure 2.2

No Power

No Power

Is amp plugged

in to the AC

source?

Yes

Plug amp in to the

No

AC source.

Is the Power

(Enable)

No

Turn the Power

switch on?

Yes

Is the Power

(Enable)

indicator lit?

Yes

Is an

IQ System controlling amp?

No

Refer amp to

service center.

(Enable) switch on.

Is AC source

No2.1 No Power supplying power to outlet?

Yes

Does amp have a fuse or circuit breaker?

 

 

 

 

 

 

 

 

Verify power to

 

 

 

 

 

 

Fuse

Yes

 

amp is turned on

 

 

 

 

 

 

 

 

in IQ System.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is fuse

internal or external?

Internal

 

External

 

 

 

 

 

 

 

 

Internal Fuses

NOT

user-replaceable.

Restore AC power

No

to outlet.

 

 

Reset circuit

Circuit

 

Breaker

 

breaker.

 

 

 

 

 

 

 

 

Did it trip

 

 

Amp o.k. to

No

 

again?

 

operate.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

Replace fuse with new fuse of identical rating.

Amplifier Application Guide

Page 24
Image 24
Crown Audio 133472-1A manual No Power, Troubleshooting, Amplifier Application Guide, Internal, External