Several treatment methods for the water of the walkie-talkie.
60mA, otherwise there is a short circuit or leakage in the machine, which needs to be processed.
1 circuit board and conductive rubber button processing
First, the conductive rubber button of the walkie-talkie is cleaned with absolute alcohol and placed to dry. Then use a sharp tool to remove the dirt between the integrated blocks and the wires, and then soak the circuit board with absolute alcohol. Rinse with a soft brush, put it in a ventilated place, and dry it with a hair dryer. Note that the temperature of the hair dryer should not be too high, so you can put it with your hand on the board.
2 speaker and microphone processing
Dry the speaker and microphone under the hair dryer, taking care not to overheat the temperature. Speakers and microphones should not be soaked in absolute alcohol.
3 case handling
Clean the stains in the gap of the intercom housing, soak it in absolute alcohol, wash it with a brush, and put it in a ventilated place to dry.
4 antenna and battery processing
Check the antenna soft cover for water or moisture, which can be handled according to the circuit board and conductive rubber button treatment.
The walkie-talkie battery is divided into a battery block and a battery box. First test the battery and current, and if necessary, charge it. If the battery case is an AA rechargeable battery, it can be easily replaced. Since the battery block is sealed, it must be carefully removed with a knife to replace the broken walkie-talkie battery inside.
1. After the components of the walkie-talkie are processed, they can be replaced in the reverse order. After the inspection is correct, the test machine can be powered on.
2. It is best to connect the ammeter when the test is done. If the battery case is not convenient to connect the ammeter, it is recommended to use the DC jack of the fuselage to insert 6~9V DC. Turn on the power for a short time, observe that the current should be no more than 60mA, otherwise there is still a short circuit or leakage in the machine, which needs to be processed.
3. After the current is normal, observe whether the emission indicator is normal. Then use the good walkie-talkie to receive and send the test machine.
4. For the walkie-talkie with short speaking distance, check whether the antenna and antenna plug are loose and oxidized.
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