Yamaha ACD1, Руководство по обслуживанию

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ACD1
3-6. RS4 8 5 SHEET test (for circuit board test) （ NO. 06 ）
Contents:
Loopback test in circuit board. Check connection from CPU to RS485 transceiver IC (IC605) automatically.
Example of executing screen
*** 06. RS485 SHEET ***
RS485 OK!
EXIT:[ENTER]
[RS485 SHEET test screen]
Check items
・
DS2 circuit board
:
Check if the IC605 and peripheral devices are installed properly.
・
BRG circuit board
:
Check if the IC105, IC110 and peripheral devices are installed properly.
・
Check the signals from the CPU circuit board and connection.
3-7. RS4 8 5 ALL test (for general test) （ NO. 07 ）
Contents: Loopback test using the dedicated jig (refer to 1-3.). Command is outputted, transmitted through the jig and the
command from the jig is detected.
Example of executing screen
*** 07. RS485 ALL ***
RS485 OK!
EXIT:[ENTER]
[RS485 ALL test screen]
Operation
・
Start the application software for testing, “SerialDebugger”, with the host PC and execute the test.
Double-click on the “SerialDebugger.exe” in the “C:¥ACD1¥Tool¥SerialDebugger” to start the software.
Check items
・
DS2 circuit board
:
Check if the IC605, JK601 and peripheral devices are installed properly.
・
BRG circuit board
:
Check if the IC105, IC110 and peripheral devices are installed properly.
・
Check the signals from the CPU circuit board and connection.