
25
Diagnosis
System Self-test
Operating Instruction
System self-test function could assist you to make a comprehensive check with these functions:
LED, DAC, ADC, USB port, function keys, keys, pedals, and RAM, ROM of A5 chip.
Before power on, please follow the procedure below:
Connect the piano to PC via USB cable.
Insert an USB flash disk card
Connect headphone
Connect AUX IN to external audios or microphones
Connect AUX OUT to external speakers
Steps to enter system self-test:
Press down B1, B2, and B4 key and press down the power button to enter fast system self-test
mode (Choose fast system self-test in Flash).
Press down B1, B2, and B5key and press down the power button to enter complete system
self-test mode (Choose complete system self-test in Flash).
To avoid any interference, please first update series number when enter into system self-test,
and then start the following procedures.
You can choose a test item through button combinations:
Press [B2] key or turn the dial in clockwise direction to enter the next test item.
Press [B1] key or turn the dial in anti-clockwise direction to return to the previous test item.
Press [B1] key or the dial to recheck this item.
For a normal test of function keys and dial, dial can only be used in checking function keys,
while function keys can only be used in checking dial.
Note: When one test item is successfully done, you have to switch to the next test item manually.
Summary of Contents for ACCENT MODULE MIK1
Page 1: ...MODULE ACCENT SERVICE MANUAL MIK1...
Page 5: ...5 General Exploded Drawing and List 20 remark...
Page 21: ...21 PCB Boards Main Board T op...
Page 22: ...22 PCB Boards Main Board Bott t om...
Page 23: ...23 PCB Boards S J 1 S J 2 Function Board V ol um e Board...
Page 24: ...24 PCB Boards O th e r Board...