ASA Electronics Troubleshooting, VR185 Ignition and Interference Noise, Maintenance

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Troubleshooting

Problem

Cause

Corrective Action

No power.

Vehicle ignition switch is not on.

If the power supply is connected to the

 

 

vehicle accessory circuits but the

 

 

engine is not moving, switch the

 

 

ignition key to “ACC”.

 

 

 

 

The fuse is blown.

Replace the fuse.

Disc cannot be

There is a disc already inside

Remove the current disc and insert the

loaded or ejected.

the unit.

new one.

 

 

 

 

Inserting disc in wrong direction.

Insert disc with label facing up.

 

Disc is defective or dirty.

Clean disc or try playing another one.

 

Excessive temperature in

Cool vehicle to a normal temperature.

 

vehicle.

 

 

 

 

 

Condensation has collected.

Turn player off for an hour, then try

 

 

again.

 

 

 

Cassette cannot be

There is a cassette already

Remove the current casette and insert

loaded or ejected.

inside the unit.

the new one.

 

 

 

 

Excessive temperature in

Cool vehicle to a normal temperature.

 

vehicle.

 

 

 

 

 

Condensation has collected.

Turn player off for an hour, then try

 

 

again.

 

 

 

No sound.

Volume turned down too low.

Adjust volume until sound is heard.

 

Wiring not connected properly.

Check wiring connections.

Sound skips or

Installation angle exceeds 30

Adjust the installation angle to less

sound quality is

degrees.

than 30 degrees.

poor.

 

 

Disc is defective or dirty.

Clean disc or try playing another one.

 

Cassette is defective.

Try playing another cassette.

Operation keys do

Microcomputer is not operating

Press RESET.

not work.

properly due to noise.

 

 

 

 

Radio does not

Antenna cable not connected.

Insert antenna cable firmly.

work

 

 

 

 

 

Automatic station

Radio signals are too weak.

Select a station manually.

selection does not

 

 

work.

 

 

 

 

 

VR185

Ignition and Interference Noise

Ignition Noise

The most common source of noise in reception is the ignition system, due to the fact that the radio is placed relatively close to the ignition system (engine). This type of noise can be easily detected because it will vary in intensity of pitch with the speed of the engine.Generally, the ignition noise can be suppressed considerably by using a radio suppression high-voltage ignition wire and suppressor resistor in the ignition system. Additional noise suppressors may also be used and can be obtained from most CB/amateur radio or electronic supply stores.

Interference Noise

Radio reception in a moving environment is very different from stationary reception. For example, AM reception will deteriorate when passing through a tunnel or under high-voltage lines. Also, noise can be picked up from passing vehicles. Although AM is subject to interference, it has the ability to be received at great distances because the broadcasting signals follow the curvature of the earth and are reflected back by the upper atmosphere.

Maintenance

System Maintenance

The following maintenance tips will extend the life and optimize the performance of the unit.

•Keep the unit dry. If it is exposed to moisture, wipe it dry immediately. Liquids may contain minerals that can corrode the electronic circuits.

•Keep the unit away from dust and dirt, which can cause premature wear of parts.

•Handle the unit carefully; dropping it can damage circuit boards and cases, causing the product to malfunction.

•Clean the unit occasionally by wiping it with a damp cloth. Do not use harsh chemicals, cleaning solvents or strong detergents to clean the product.

•Use and store the unit only in mild temperature environments. High temperatures can shorten the life of electronic products, damage batteries and distort/melt plastic parts.

System Maintenance

Periodic cleaning of the tape head and capstan shaft will ensure good reproduction of music and trouble-free operation. Clean the head tape every 20-30 hours of operation or when the high tones have become less clear.

•Use a cassette-cleaning cartridge if available or use a cotton swab soaked in isopropyl alcohol.

•While holding the tape door open, locate the tape head to the right of the opening and in the center of the unit.

•Clean the tape head with the cotton swab.

•Clean the capstans and the pinch rollers with the cotton swab.

•Allow the tape head, capstans and pinch rollers to dry before operating.

•Do not touch the tape with your fingers. If it becomes loose, wind it back by twisting a pen- cil in the cassette reel.

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Image 16 ASA Electronics owner manual Troubleshooting, VR185 Ignition and Interference Noise, Maintenance
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Contents System Features FeaturingThank You ASA Electronics Corporation 122004Funciones del Sistema VR185Merci Preparación VR185 PreparationPréparation VR185 Preparación continuado Préparation continuéVR185 Installation InstalaciónCableado WiringCâblage Operación Básica VR185 Basic OperationOpération de base Operación Básica continuado Opération de base continuéOperación de la radio VR185 Radio OperationFonctionnement de la radio VR185 Operación de la radio continuado Fonctionnement de la radio continuéVR185 CD Player Operation Operación del Cambiador de CD CD Changer OperationFonctionnement de changeur de CD Remote Control TélécommandeVR185 Cassette Operation Control RemotoVR185 Operación de Radio Satelital Sirius Sirius Satellite Radio OperationOpération radio satellite Sirius VR185 Sirius Satellite Radio Operation Opération radio satellite Sirius continuéMaintenance TroubleshootingVR185 Ignition and Interference Noise Ruido de Ignición e Interferencia VR185 Corrección de ProblemasMantenimiento VR185 Bruit dallumage et dinterférence DépannageEntretien Limited Warranty VR185 SpecificationsDay / 12 Month Limited Warranty VR185 Garantia Limitade EspecificationesGarantía Limitada Por 90 Días / 12 Meses Garantie Limitée VR185 CaractéristiquesGaranti limité de 90 jours/12 mois
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