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Quartz Movement Disassembly
2009-Oct-5
 
A Digital Display Quartz Watch is going to be disassembled, this watch was introduced in our Poor Man's Watch and only costs us US$ 2.56
 
Poor Man's Digital Watch Disassembly The rubber band is removed.
Poor Man's Digital Watch Disassembly

After opening the case back, I found there is water inside.

Why ? Refer to our Poor Man's Watch Ice Test.

According to the amount of water, I can confirm that the watch leaked under iced water.

Poor Man's Digital Watch Disassembly

There is a water drop on the battery cover (white circle).

Actually, the whole watch is wet.

Poor Man's Digital Watch Disassembly

The battery is removed and the quartz movement is pulled out.

Poor Man's Digital Watch Disassembly

The silver cyclinder is the Quartz Oscillator. So, this is a quartz watch.

The circuit board is totally wet.

Poor Man's Digital Watch Disassembly The display is totally wet.
Poor Man's Digital Watch Disassembly The circuit board is separated from the display board.
Poor Man's Digital Watch Disassembly

2 larger areas in red transmit the power and signal to the display board.

2 smaller areas are the power contacts of the back light.

The parts in blue areas can be pulled out.

Poor Man's Digital Watch Disassembly

They are rubber like but are electricity conductive.

The lower left corner shows the enlarged view, there are many separated channels.

Poor Man's Digital Watch Disassembly

After I dried the circuit board and display board with a hair dryer and assembled the movement again, it works again.

Although it is cheap, it is amazing.

 

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