Sony XBR-55X900C Service Manual page 197

APPENDIX-3
HANDLING GUIDE
Prohibited operation-3
FOR E-MOD
To prevent deformation and warping
Don't grasp source shield Don't grasp back chassis shield
Prohibited operation-4
FOR Pre E-MOD
You can't hold bottom side because Pre E-MOD doesn't have bottom AL frame yet.
To prevent deformation and warping
※Basically use Line JIG for Pre E-MOD handling .
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XBR-55/65X900C, 905C, 907C