RichAuto S & T Co., Ltd
Add: 5th
floor, No.4 building, No 4. Yard, life Rd, life science park, beiqing St., changping district Beijing, China
Tel：010-53275118 Fax：010-53275110/53275111 Web site：www.richnc.com.cn
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1、 The power supply voltage is too big or the chip is broken because operator
makes positive and negative of the power oppositely. Depot Repair.
2、 The power supply is damaged. Replace the power supply.
3、 50-pin data cable damaged. Replace the data line.
4、 Handle 50-pin interface damage. Depot Repair.
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