PANASONIC CQ-C1303U
Service Manual

Caution
Observe the following cautions when using this unit.
� Keep the sound volume at an appropriate level. � This unit is designed for use exclusively in automobiles.
Keep the volume level low enough to be aware of road and traffic conditions while driving.

� Do not install the product where it is exposed to strong vibrations or is unstable.
Avoid slanted or strongly curved surfaces for installation. If the installation is not stable, the unit may fall down while driving and this can lead to an accident or injury.

� Installation Angle
The product should be installed in a horizontal position with the front end up at a convenient angle, but not more than 30�. The user should bear in mind that in some areas there may be restrictions on how and where this unit must be installed. Consult your dealer for further details.

� Do not operate the unit for a prolonged period with the engine turned off.
Operating the audio system for a long period of time with the engine turned off will drain the battery.

� Do not expose the unit to direct sunlight or excessive heat. � Do not use the product where it is exposed to water, moisture, or dust.
Otherwise these will raise the interior temperature of the unit, and it may lead to smoke, fire, or other damage to the unit. Exposure of the unit to water, moisture, or dust may lead to smoke, fire, or other damage to the unit. Make especially sure that the unit does not get wet in car washes or on rainy days.

� Wear gloves for safety. Make sure that wiring is completed before installation. � To prevent damage to the unit, do not connect the power connector until the whole wiring is completed. � Do not connect more than one speaker to one set of speaker leads. (except for connecting to a tweeter)
CQ-C1333U

Observe the following cautions when using Front Panel AUX.
� Set the volume to low enough before the AUX connection is completed. Failure to observe this may cause loud noise and, consequently, damage your speakers and your hearing. � Do not connect the front panel AUX directly with a speaker/headphone output. Failure to observe this may distort sound and break the internal amplifier.

Observe the following cautions when installing.
� Refer wiring and installation to qualified service personnel.
Installation of this unit requires special skills and experience. For maximum safety, have it installed by your dealer. Panasonic is not liable for any problems resulting from your own installation of the unit.

� Follow the instructions to install and wire the product.
Not following the instructions to properly install and wire the product could cause an accident or fire.

Observe the following cautions when handling the battery for the remote control unit.
� Use only specified battery (CR2025). � Match the polarity of the battery with the (+) and (�) marks in � Replace dead battery as soon as possible. � Remove the battery from the remote control unit when not using
it for an extended period of time. the battery case.

� Take care not to damage the leads.

� Use the designated parts and tools for installation.

When wiring, take care not to damage the leads. Prevent them from getting caught in the vehicle chassis, screws, and moving parts such as seat rails. Do not scratch, pull, bend or twist the leads. Do not run them near heat sources or place heavy objects on them. If leads must be run over sharp metal edges, protect the leads by winding them with vinyl tape or similar protection. Use the supplied or designated parts and appropriate tools to install the product. The use of parts other than those supplied or designated may result in internal damage to the unit. Faulty installation may lead to an accident, a malfunction or fire. Blocking these parts will cause the interior of the unit to overheat and will result in fire or other damage.

� Insulate the battery (by placing them in a plastic bag or covering
them with vinyl tape) before disposal or storage.

� Dispose of the battery according to the local regulations. � Do not disassemble, recharge, heat or short the battery. Do not
throw a battery into a fire or water.

In case of battery leakage � Thoroughly wipe the battery liquid off the battery case and insert
� If any part of your body or clothing comes into contact with battery liquid, wash it with plenty of water. � If battery liquid comes into contact with your eyes, wash them with plenty of water and get immediate medical attention. new battery.

� Do not block the air vent or the cooling plate of the unit.

Caution
THIS PRODUCT UTILIZES A CLASS I LASER. USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. DO NOT OPEN COVERS AND DO NOT REPAIR YOURSELF. REFER SERVICING TO QUALIFIED PERSONNEL.

The following applies only in the U.S.A.
Part 15 of the FCC Rules
FCC Warning: Any unauthorized changes or modifications to this equipment would void the user's authority to operate this device.