(1) in the case of the speaker unit carefully removed, we must be careful, and in the box and the speaker on the use of oily pen to do the position mark, so that after the maintenance of a good replacement and installation.

(2) store a box of imported car wax (import brand car) evenly wipe down the second floor of the T iron in the magnetic steel, general this T iron are iron galvanized products, if the basin is iron pot racks must deal with such to wax on the attached in the above, do not wipe it out, prevent n years is not corroded.

(3) the loudspeaker unit from the sound volume lead to terminal of the two parabolic weaving the soft copper wire, it must be coated with wax, and back and forth with your fingers get even, also do not have to wipe it off, to prevent a long time, the lead black becomes less elastic and the impact of the work.

(4) as base paper or paper base composite basin appeared mildew spot, please with medical alcohol cotton ball, from the back carefully quick wipe (alcohol cotton ball to twist in the semi dry wet, can not be too wet, it will inevitably seep into the surface of the sound basin). Such as surface mildew spot, can only be used 40-45 degrees warm water, add some liquid soap shampoo, use clean soft towel dipped in water, wring dry wipe it, master the moderate, don't Duoci repeatedly rub. Do not use alcohol or the like, with a volatile organic solution to wipe the.