Read Sony KDL-42W650A Service Manual online
KDL-42W650A 10
SECTION 2 - TROUBLESHOOTING
NO VIDEO FLOWCHART
No Video
Backlights
turned on?
SONY logo
appears
momentarily?
No
Main Board*
No
Yes
Yes
Locate
CN8202 on
Main Board.
Zero volts at
Pin 5?
TCON*
(LCD Panel)
Yes
No
Yes
Main Board*
No
LCD Panel*
LCD Panel*
Zero volts at
Pin 1?
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
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