How to repair children's musical toys? Generally, the most commonly used tools are instant glue, screwdriver (cross or zigzag), diagonal pliers, tweezers, alcohol, cotton swabs, electric soldering iron, etc. , common faults are as follows:
1. Video game: The controller often fails. Just use a screwdriver to open the controller and replace the failed left and right rubber pads, while the service life of AC /DC transformers is often shortened due to long-term use. At this time, as long as you spend 150 200 yuan to buy a new one, you can save a lot of repair costs (generally speaking, the transformer is broken and cannot be repaired).
Second, the maintenance of the remote control car: first check whether the battery has electricity? Then pay attention to whether the battery box is in poor contact due to moisture and rust. In order to avoid this situation, the battery should be taken out as much as possible after use. If it rusts, you can clean it with an iron brush and then clean it with alcohol (this maintenance principle can be applied to all electric toys that use batteries). If the shell is damaged by impact, you can buy accessories from the remote control store to replace it yourself.
3. General plastic alloy deformable toys: They are often broken because of carelessness, or because the direction and scope of the main part are wrong. They can be fixed with instant glue, but it also reduces playability. Please follow the instructions in detail before use.
Four, plush dolls: dirty dolls can be dry-cleaned or washed with materials, holes can also be mended with needle and thread, so it can be said that it is the easiest toy to maintain, especially long-haired dolls, and often use combs to sort out their hair, so as not to destroy the original texture and beauty.
Where can I buy batteries for children's toy cars? How to repair the motor of children's electric car (brushless and brushless)
(1) If a multimeter is used to measure the brushed motor, it proves that the motor is good, but it is actually bad.
(2) The eight wires of the brushless motor are black, red, yellow, green, blue, rhubarb, big green and big blue, the black wire of the brushless motor is blocked with a black pen, and the three wires are between 650 and 750, which proves that the motor is ok.
(3) Brush motors of electric vehicles are generally replaced by carbon brushes. Before opening, pay attention to whether the friction between the changer and the carbon brush is virtual. If yes, use sandpaper to rub the changer and carbon brush to keep the distance.
(3) Turn on the motor, pay attention to the motor wire package, do not rub the wire package, so as not to damage the wire package, and do not stick magnetic steel with iron east and west, so as not to break the magnetic steel.
(4) When replacing Hall with brushless motor, pay attention to the connection of Hall wires. If it's the first time, it's best to take down the wire and weld it to avoid welding mistakes. After welding, glue it with 502 and then glue it with AB to avoid instability.
(5) Change the magnetic steel and touch the magnetic steel. Pay attention to remove the glue on the spindle and magnetic steel. When magnetic steel and magnetic steel attract each other, put the glue in the opposite direction and stick it on.
Turn on the power of the electric door lock, and the power indicator of the instrument panel will not light up. If you change hands, the motor won't turn.
(1) The fuse on the battery box is blown: replace the fuse.
(2) The fuse on the battery box has poor contact: adjust the fuse tube to make it have good contact. ?
(3) Poor contact of the contacts on the battery box: adjust the contacts to make them contact well. ?
(4) The battery box contact is burnt out: replace the new contact. ?
(5) The electric door lock is burnt out: replace it with a new one. ?
(6) The battery lead in the battery box is broken: update the connecting wire.
(7) Open circuit in the battery box: replace or repair the battery. ?
(8) Open circuit or poor contact of the lead or contact lead of the electric door lock: rewire.