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4. ADJUST CONTROL BUTTON NO
FUNCTION
FUNCTION
END
YES
NO
5. ADJUST BRIGHNESS NO FUNCTION
END
YES
NO
NO
YES
YES
NO
KEY CONTROL BUTTON
NO FUNCTION
CHECK THAT CABLE FRON I/F
BD TO KEY CTRL BD IS
CONNECTED PROPERLY
(REFER THE KEY CTRL BD &
I/F BD DISASSEMBLY)
BD TO KEY CTRL BD IS
CONNECTED PROPERLY
(REFER THE KEY CTRL BD &
I/F BD DISASSEMBLY)
FUNCTION OK?
FUNCTION OK?
REPLACE KEY CTRL
BOARD
REPLACE I/F BD OR
TRY REPLACE THE
CABLE WHICH
FROM I/F BD TO
KEY CTRL BD
TRY REPLACE THE
CABLE WHICH
FROM I/F BD TO
KEY CTRL BD
FUNCTION OK?
FUNCTION OK?
REPLACE I/F BD OR
TRY REPLACE THE
CABLE WHICH
FROM I/F BD TO
SENSOR BD
TRY REPLACE THE
CABLE WHICH
FROM I/F BD TO
SENSOR BD
1. CHECK THE OTHER FUNDION
KEY AVAILABLE.
2. CHECK THE CABLE FROM I/F
BD TO SENSOR BD IS
CONNECTED PROPERLY.
KEY AVAILABLE.
2. CHECK THE CABLE FROM I/F
BD TO SENSOR BD IS
CONNECTED PROPERLY.
PHSH HOT KEY NO
FUNCTION
1. REPLACE KEY CTRL
BOARD
2. REPLACE SENSOR BD
BOARD
2. REPLACE SENSOR BD
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