Troubleshooting; Backlight Does Not Light - Sony LMD-1420 Service Manual

3-1. Backlight does not light

Backlight does not light.
Are harness
and flexible flat cable
connected correctly?
Yes
Is the backlight
lit when another BA board
is installed?
No
Is the backlight
lit when another GA board
is installed?
No
Replace the LCD panel.
LMD-1420/1410
Section 3

Troubleshooting

No
Connect the harness and
flexible flat cable correctly.
Yes
Replace the BA board.
Yes
Replace the GA board.
3-1