No Video Flowchart - Sony KDL-42W805A Repair Manual
Lcd digital color tv
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Also See for KDL-42W805A:
- Quick start manual (2 pages) ,
- Operating instructions manual (36 pages) ,
- Service manual (238 pages)
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NO VIDEO FLOWCHART
No Video
Backlights
turned on?
Yes
Sony logo
appears
momentarily?
No
Unplug LVDS
connector with
unit off. Turn unit
back on.
.
*For Part Number information, refer to
KDL-42W805A/47W805A
Locate
No
CN2 on
Power Supply
Board.
Yes
Main Board*
No
Test patterns
display on
screen?
Yes
Main Board*
"Section 4 - Exploded View/Part Number Information" on page
SECTION 2 - TROUBLESHOOTING
Zero volts at
Pin 2?
Yes
TCON*
(LCD Panel)
TCON*
(LCD Panel)
19.
No
No
Zero volts at
Pin 4?
Yes
Main Board*
LCD Panel*
10
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