No Video Flowchart F - Sony KDL-26S3000 Training Manual

No Video Flowchart F

F
No Picture
No
Backlights on?
Yes
Yes
No picture all
input sources ?
No
No
No picture front
inputs ?
Yes
Done
CTV-41
26/32" or
40/46"
Model?
26/32"
Check connection
from Power Supply to
Inverter. If OK
Go to Flowchart D
Check LVDS connector
from BU1 Board to LCD
Panel. If OK replace BU1
Board
U1 Board (S Models )
U2 Board (XBR Models)
Approx
40/46" 390VDC across
pins 1 & 3 CN6600
D1 Board?
No
G3 Board
Chapter 2 - Service and Troubleshooting
High at
Yes
CN6707 -3 D1
Board ?
No
BU1 Board
D1 Board
Yes
D2 Board
See Flowchart E
49