Sony XM-4045 - Manuel (Page 10)

Trouble Shooting Guide
The following check list will assist in the coirecHon of most problems which you may encounter with
your unit.
Before going through the list below, check the connection and operating piocedures.
Probtem Causa (Solution)
The POWER/
rROTECTOR indicator
does not light up.
The fuse is blown. —• Replace the fuse with a new one.
The ground lead is not securely connected. -« Ground the lead securely
to a metal part of the car.
The voltage going into the remote terminal is too low.
• The connected master unit is not turned on. —• Turn on the master
unit.
• The system employs too many amplifiets. —• Use a relay.
Check the battery voltage (10.5 -16 V).
•The POWER/
PROTECTOR indicator
flashes.
• The urdt heats up
abnormally.
Use the speakers with suitable impedance.
• Stereooperation: 2 - 8 Q
• Bridging operation: 4
- 16 Q
Speaker outputs are short-circuited. —• Rectify the cause of short-circuit
Alternator noise is
heard. The power connecting leads are run too close to the RCA pin cords.
-» Keep the leads away from the cords.
The RCA pin cords are run too close to other electrical cables of the car.
—• Keep the cords away from the cables.
The ground lead is not securely connected. —• Ground the lead securely
to a metal part of the car.
Negative speaker leads are touching the car chassis. —♦ Keep the leads
away from the car chassis.
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