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TH-47LF6W, TH-47LF60W - Panasonic TV Service Manual (repair manual). Page 18

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18
TH-47LF6W_TH-47LF60W
[Diagnostic flow chart]
Yes
It displays.
No
It is still abnormal.
Is a test pattern 
displayed normally?
Failure of A-Board
Failure of A-Board
Failure of LCD Panel 
(rarely failure of A-Board or FR-Board)
Failure of FR-Board
Failure of FR-Board
No
This is not an abnormality 
of part
No
- The whole is not abnormal. 
- It is not blinking.
Yes
It is abnormal.
Yes
It disappears. 
No
It is still abnormal.
No
It is still abnormal.
Yes
It disappears.
Is a part abnormal 
even in a test pattern?
If "FRAME CREATION" of 
"PICTURE" in On-Screen 
Menu is set to "OFF", does 
symptom disappear? 
Failure of A-Board or LCD Panel 
(rarely failure of FR-Board)
Yes
It is abnormal.
Yes
It is blinking.
࡮Is the whole abnormal 
    even in a test pattern? 
         or
࡮A test pattern is not 
   displayed but is the state 
   of LED blink of red and 
   orange?
Yes
It is green lighting. 
A test pattern is not 
displayed but is the state 
of LED green lighting?
Vertical line/
Vertical bar
Color
unevenness
Horizontal line/
Horizontal bar
Vertical line/
Vertical bar
An image is 
not displayed.
LED blinking
An image is 
not displayed.
LED lighting
̪ Please refer to the next page for "FRAME CREATION".
Please refer to the next page for "FRAME CREATION".
If "FRAME CREATION" of 
"PICTURE" in On-Screen 
Menu is set to "OFF", does 
symptom disappear? 
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