Mystery MBS-204A, Руководство пользователя

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6
TROUBLE SHOOTING GUIDE
SYMPTOMS CHECK POINTS
CURE
NO SOUND
In the power
LED illuminated?
Check fuses in amplifier.
Be sure Turn-on lead is connected
Check signal leads.Check gain
control.
Check Tuner/Deck volume level.
Clean contacts on fuse holders.
Is the Diagnosis
LED illuminated?
Check for speaker short or
amplifier overheating.
AMP NOT
SWITCHING
ON
No power to power wire
No power to remote
wire with receiver on
Fuse broken
Repair power wire or connections.
Check connections to radio.
Check fuse
NO SOUND
IN ONE
CHANNEL
Check Speaker Leads
Check Audio Leads
Inspect for short circuit or an
open connection.
Reverse Left and Right RCA inputs
to determine if it is occurring
before the amp.
AMP
TURNING OFF
MEDIUM/HIGH
VOLUME
Check Speaker load
impedance
Be sure proper speaker load
impedance recommendations
are observed.
(If you use an ohmmeter to check
speaker resistance,please
remember that DC resistance and
AC impedance may not be the
same.)
PROTECTION
LED ON (RED)
Temperature shutdown
Speaker wires short circuit
Turn radio down
Separate speaker wires and insulate
WARNING
7
Investigate the Layout of you automobile thoroughly before drilling or cutting any holes.
Take care when you work near the thanks,lines,or hydraulic lines,and electrical wiring.
Don t mount this system so that the wire connections ate unprotected are subject to
pinching or damage from nearby objects.
The +12V DC power wire must be fused at the battery positive terminal connection.
Before making or breaking power connections at this system power terminals,disconnect
the +12 V wire at the battery end.
Confirm your radio/cassette player and/or other equip is turned off while connecting the
input jacks and speaker terminals.
If you need to replace the power fuse,replace it only with a fuse identical to that
supplied with the system.Using a fuse of different type or rating may result in damage to
this system which isn t covered by the warranty.
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