T

 

 

 

R

 

 

 

O

 

 

 

U

SYMPTOMS

CHECK

REMEDY

B

NO SOUND

Is the power LED

Check all fuses to amplifier. Be

L

 

illuminator? (NO)

sure Turn-on lead is connected.

E

 

 

Check signal leads. Check gain

S

 

 

control. Check tuner/deck

H

 

 

volume level. Clean contacts on

O

 

 

fuse holders

O

 

 

 

T

 

 

 

I

 

 

Check for speakers short or

N

 

Is the Diagnostic LED

amplifier overheating

G

 

illuminated? (YES)

 

 

AMP. NOT SWITCHING

No power to power

Repair power wire or

 

ON

wire

connections

 

 

 

 

No power to remote

Check connections to radio

 

 

 

 

 

wire with receiver on

 

 

 

Burnt or broken fuse

Replace fuse

 

NO SOUND IN ONE

Check Speakers

Inspect for short circuit or an

 

CHANNEL

 

Leads

 

open connection

 

 

 

 

 

 

 

 

Reverse Left Right RCA inputs

 

 

Check Audio Leads

to determine if the problem is

 

 

occurring before the amp.

 

 

 

 

 

 

 

 

AMP. TURNING OFF

 

Be sure proper speaker load

 

MEDIUM / HIGH

 

impedance recommendations

 

VOLUME

 

are observed.

 

 

Check Speaker Load

(If you use an ohmmeter that

 

 

Impedance

DC resistance and AC

 

 

 

impedance may not be the

 

 

 

same).

 

 

 

 

 

PROTECTION LAMP

Shut down

Turn radio down, wait for amp.

 

ON

To cool

 

 

 

 

 

 

 

 

Speaker wires

Separate speaker wires and

 

 

shorted

insulate

15

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Image 16
Alphasonik PMA1000HCE, PMA640HCE, PMA600HCE owner manual No Sound in ONE