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| COLOR-LCM FAQ | 1.4 Precaution for soldering
1)Soldering should apply to I/O terminals only.
2)Soldering temperature is 280¡æ +(-) 10¡æ .
3)Soldering time 3-4 seconds.
4)Eutectic solder (rosin flux filled) should be used.
5)If soldering flux is used, be sure to remove any remaining flux after finishing the soldering operation and LCD surface should be covered during soldering to prevent any damage to flux spatters.
6)When remove the lead wires from the I/O terminals, use proper de-soldering methods, e.g. suction type de-soldering irons. Do not repeat wiring by soldering more than three times at the pads and plated though holes may be damaged.
1.5 Precaution for operation
1)Adjust liquid crystal driving voltage (Vo) to varies viewing angle and obtain the contrast.
2)Vo should be kept in proper range stated in the specification. Excess voltage will shorten the LCD life.
3)Response time is greatly delayed at low temperature. It will recover when go back to normal temperature.
4)Condensation on terminals can cause an electrochemical reaction disrupting the terminal circuit. Therefore it should be used under the relative condition of 50% RH.
1.6 Storage
When long term storage is required, following precautions are necessary:
1)Storage them in a sealed polyethylene bag (antistatic), seal the opening, and store it where it is not subjected to direct sunshine, or to the light of fluorescent lamp. If properly sealed, there is no need for desiccant.
2)Store them in the temperature range of 0¡æ ~ - 30¡æ and at low humidity is recommended.
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Product Notes
