MP5 Plus Writer Easy Guide
SONIX TECHNOLOGY CO., LTD.
Page 34
Version 1.0
5
5
5
Troubleshooting
5.1 Test Mode
In off-line mode, User can measure the programming voltage when in test mode.
Steps for entering the test mode are as follows:
Open the cover, and remove the MCU;
Press on the “Enter”, and plug the power adapter, then the green led, yellow led, red led are led in loop, at the
same time the buzzer beeps regularly, and the OLED display 0000~9999 in loop; This is in the test mode,
user can release “Enter” at this time.
User can measure the VXX/VPP with the corrected multimeter, the test points are as shown in Fig5-1.
MP5 Plus Writer can enter normal mode when repower.
Fig5-1 Voltage test points
Attention:
1
、
In test mode, VXX/VPP output different voltages in loop;
2
、
VXX: 3.3V, 5V
；
3
、
VPP: 5.0V, 6.5V, 7.5V, 12.7V;
4
、
The permissible offset is +-0.05V;
If the voltage is out of range, please contact the agent or SONiX.
