Mystery MMD-980, MMD-985, MMD-875 sevice manual bottom

Simple Troubleshooting Guide

ProblemCause/Solution

No power. ★Check and make sure whether the fuse is

blown,replace with the proper value if necessary.

Some errors occur in the LCD or no function ★Press the RESET button.

when pressing the button.

Unable to receive stations. ★Check and make sure whether the antenna is

inserted or the antenna is properly connected,if

so,insert the antenna or connect it properly.

Poor effect on receiving a station. ★Antenna may not be the proper length.Make

sure the antenna is fully extended or broken;if

broken,replace the antenna with a new one.

★The antenna is poorly grounded,check and

make sure the antenna is properly grounded at

its mounting location.

CDs cannot be loaded. ★A CD is loaded in the mechanism.

Sound skips. ★The CD is dirty or damaged.

No images. ★The Video line from main to the TV is not

connected properly.

Images skip. ★Improper setting of the color system.Set the

color system to PAL or NTSC according to the

connections of the TV.

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