Samsung UN55F9000AF, Руководство по обслуживанию

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4. Troubleshooting
4-1. Troubleshooting
4-1-1. Previous Check
Check the various cable connections first. 1.
Check to see if there is a burnt or damaged cable. -
Check to see if there is a disconnected or loose cable connection. -
Check to see if the cables are connected according to the connection diagram. -
Check the power input to the Main Board. 2.
ASSY MISC P-AQUILA_UD6
ASSY BOARD P-JOG FUNCTION
ASSY BOARD P-RF-MODULE
ASSY PCB MAIN
ASSY T CON P
DC VSS-LED PD BD
ASSY PCB MISC-FRC
ASSY SPEAKER P (R/L) NETWORK
FFC (5EA)
Determining if the failure resulted from the 3. Main Board , FRC Board , or T-CON Board
Nothing on screen
-
: If the ‘Backlight’ is on but nothing appears on screen and the LED signal in front of the TV is
blinking, please first check the connection of the LVDS cable. If problem persists, please replace in the following
order: (1) FRC Board (2) T-CON Board (3) Main Board
Screen distortion
-
: Go under ‘SVC’ in the Service Mode and check the internal pattern.
For All mode •
pattern sel FRC Pre FRC POST NT72314 OSD Pre NT72314 OSD
Post
Problem
OK OK OK OK
OK Main Board or Signal Input Source
NG OK OK OK
OK Main Board
NG NG OK OK
OK Main Board, LVDS, or FRC
NG NG NG OK OK Main Board, LVDS, or FRC
NG NG NG NG OK Main Board, LVDS, or FRC
NG NG NG NG NG
Main Board, LVDS, or FRC
T-CON, or Panel
HDMI Mode (Additional Inspection) •
HDMI Picture Problem
OK NG HDMI Input Source, HDMI Cable, or HDMI Jack
NG NG HDMI Switch Failure. Check starting with the pattern for Echo-P
4-1
4. Troubleshooting