Sharp LL-T1501A (serv.man7) Service Manual ▷ View online
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
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
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
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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