No Power Flowchart - Sony KDL-42W805A Repair Manual
Lcd digital color tv
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Also See for KDL-42W805A:
- Service manual (238 pages) ,
- Operating instructions manual (36 pages) ,
- Quick start manual (2 pages)
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NO POWER FLOWCHART
No Power
Remove AC power and
wait at least 30
seconds before
reapplying.
Does red
Standby LED on
front panel light?
Is Standby LED
blinking?
Power Supply
Board*
.
*For Part Number information, refer to
KDL-42W805A/47W805A
Yes
No
See Stanby
Yes
LED Blinking
Flowchart
No
"Section 4 - Exploded View/Part Number Information" on page
SECTION 2 - TROUBLESHOOTING
Press power button while
High (>2.5V)
monitoring Pin 28
Yes
on Pin 27 of CN2
on Power Supply?
Power Supply
No
Power Supply
Board*
momentarily?
19.
of CN2 on
Board.
High (3.3V)
Yes
Power Supply
appears
Board*
No
Main Board*
8
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