TI中文支持网一、 外观检验（Appearance Inspection）：
The appearance shall be free from deformation,oxidation,contamination,crack and
mark as required.
二、 功能测试（Function Test）：
2.1测试环境 Test Environment
Temperature and Humidity：24.4℃/50.5%RH
Test Equipment:
Fluke 289C True RMS Multimeter
Test Method：
- Check the Default PGA970EVM Jumper Configuration was Normal:
|
Jumpers |
Options |
Jumpers |
Options |
|
|
|
|
|
|
J16 |
Open |
J2 |
1 and 2 |
|
|
|
|
|
|
J17 |
Open |
J7 |
1 and 2 |
|
|
|
|
|
|
J18 |
Closed |
J11 |
Closed |
|
|
|
|
|
|
J1 |
Closed |
J12 |
Closed |
|
|
|
|
|
|
J4 |
Closed |
J19 |
Closed |
|
|
|
|
|
|
J6 |
Closed |
J9 |
Closed |
|
|
|
|
|
- Power ON The Multimeter and turn it to “Ω” Options
- Check the resistance like below:
|
Item |
Normal Range |
Test Value |
|
|
|
|
|
Vdd and Gnd(TP21,TP24) |
>100 ohm |
27.7 ohm |
|
|
|
|
|
C13 |
>100 ohm |
25 ohm |
|
|
|
|
|
Q3,2-4 and 3 |
Normal open |
7.8 ohm |
|
|
|
|
|
|
Table:1 |
|
Pass Condition: The Normal resistance should be Like the table 1.
2.2 Test Capture:
Test Picture
VDD and Gnd(Left)
Q3 Drain and Source
GND(Right)
三、 检验结果（Test Result）：
After confirmation, the power supply of the product is abnormal and the
test result Fails.
四、 参考资料（Reference Data）
l The PGA970EVM schematics:
Kailyn Chen：
您好，您的附图我这边都没有显示出来。
根据您的描述，就是发现EVM板的功能性测试不正常是吗？ 您是在哪里订购的？
user5958013：
回复 Kailyn Chen:
电源不正常，总是失败的
