Test Plan for Rev C SM1000
David Rowe 15/12/14
-[ ] 5V and 3V3 rails OK
-[ ] 1.24V across C14 and C15
+[X] 5V and 3V3 rails OK
+[X] 1.24V across C14 and C15
+ on chip regulator working
-[ ] Goes into USB DFU mode when PTT held down on power on/reset
+[X] Goes into USB DFU mode when PTT held down on power on/reset
+ STM32F4 BOOTLOADER device appears on Host PC USB port
+ note plug USB Cable in after power up, otherwise Host PC will
supply power and prevent power cycle.
-[ ] Flash dac_ut.bin using USB on Linux:
+[X] Flash dac_ut.bin using USB on Linux:
$ sudo apt-get install dfu-util
$ sudo dfu-util -d 0483:df11 -c 1 -i 0 -a 0 -s 0x08000000 -D dac_ut.bin
+ if this works it will run for about 6 seconds then stop, you don't
get a sucess message
+ power cycle/reset
-[ ] dac_ut works
- + several volts PP audio freq sine wave on test points P2/P3
+[X] dac_ut works
+ [X] several volts PP audio freq sine wave on test points P2/P3
+ [X] loud sine wave from speaker or headphones
+
+[X] 2.74V across MIC1
+[X] speak into mic, or tap board, sould be a few Vpp
+ + mic gain R42 roughly in the middle of travel
TODO:
(need more detail, pass/fail conditions)
7. [ ] Can't fit PCB into enclosure bottom with R46 volume control fitted.
-8. [ ] Not sure about tactile feel/quality of trim pots. They seem to have varying tension/stifness and I can't seat a screwdriver properly in R52.
+8. [ ] Not sure about tactile feel/quality of trim pots. They seem to have varying tension/stifness and I can't seat a screwdriver properly in R52. I can rotate mic gain pot all the way around.
+9. [ ] Why are parts designators on overlay missing? Rubbed off with cleaning?
+10. [ ] Assembly instruction: J3 needs to be loaded and jumper inserted
+
+11. Microphone pins are swapped, ie rotate by 180 degrees.