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Si y xplod xm 1502sx Precaution ? This unit is designed for negative ground V DC operation only ? Use speakers with suitable impedance ?? to stereo ? Do not connect any active speakers with built-in ampli ?ers to the speaker terminals of the unit Doing so

Precaution ? This unit is designed for negative ground V DC operation only ? Use speakers with suitable impedance ?? to stereo ? Do not connect any active speakers with built-in ampli ?ers to the speaker terminals of the unit Doing so may damage the active speakers ? Avoid installing the unit where ?? it would be subject to high temperatures such as from direct sunlight or hot air from the heater ?? it would be exposed to rain or moisture ?? it would be subject to dust or dirt ? If your car is parked in direct sunlight and there is a considerable rise in temperature inside the car allow the unit to cool down before use ? When installing the unit horizontally be sure not to cover the ?ns with the oor carpet etc ? If this unit is placed too close to the car radio interference may occur In this case relocate the ampli ?er away from the car radio ? If no power is being supplied to the master unit check the connections ? This power ampli ?er employs a protection circuit to protect the transistors and speakers if the ampli ?er malfunctions Do not attempt to test the protection circuits by covering the heat sink or connecting improper loads ? Do not use the unit on a weak battery as its optimum performance depends on a good power supply ? For safety reasons keep your car audio volume moderate so that you can still hear sounds outside your car Fuse Replacement If the fuse blows check the power connection and replace the fuse If the fuse blows again after replacement there may be an internal malfunction In such a case consult your nearest Sony dealer Warning When replacing the fuse be sure to use one matching the amperage stated above the fuse holder Never use a fuse with an amperage rating exceeding the one supplied with the unit as this could damage the unit ? Protection circuit This ampli ?er is provided with a protection circuit that operates in the following cases ?? when the unit is overheated ?? when a DC current is generated ?? when the speaker terminals are short circuited The PROTECTOR indicator lights up in red and the unit will shut down If this happens turn o ? the connected equipment take out the cassette tape or disc and determine the cause of the malfunction If the ampli ?er has overheated wait until the unit cools down before use If you have any questions or problems concerning your unit that are not covered in this manual please consult your nearest Sony dealer Troubleshooting Guide The following checklist will assist in the correction of most problems which you may encounter with your unit Before going through the checklist below refer to the connection and operating procedures Problem Cause Solution The POWER indicator does not light up The fuse is blown t Replace the fuse with a new one The ground lead is