具体代换方法是:先将印刷电路板1-12引脚的线路割断,把UPC1185H焊下,然后把D7240P插入印刷电路板焊好,根据表1,将D7240P的引脚与原UPC1185H的引脚对应焊接好,仔细检查无短路处后接通电源即可工作。
表1 UPC1185H和D7240P代换引脚对应表
UPC1185H引脚
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| 10
| 11
| 12
|
工作电压/V
| 0
| 7
| 13
| 2
| 12
| 0
| 0
| 12
| 14
| 13
| 7
| 0
|
D7240P对应引脚
| 4
| 8
| 9
| 3
| 5
| 6
| 1
| 2
| 10
| 11
| 12
| 7
|
AN7178引脚
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| 10
| 11
| 12
|
HA1377引脚
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| 10
| 11
| 12
|
D7240P对应引脚
| 2
| 1
| 3
| 4
| 6
| 5
| 8
| 9
| 7
| 10
| 11
| 12
|
LA4445引脚
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| 10
| 11
| 12
|
D7240P对应引脚
| 1
| 2
| 4
| 3
| 5
| 6
| 9
| 8
| 10
| 12
| 11
| 7
|
M51102L引脚
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| 10
| 11
| 12
|
工作电压/V
| 13.6
| 6.9
| 4.2
| 1.2
| 0
| 0
| 0
| 0
| 1.2
| 7
| 13.6
| 13.9
|
D720P对应引脚
| 11
| 12
| 3
| 2
| 1
| 7
| 4
| 6
| 5
| 8
| 9
| 10
|
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