Sony XBR-55X850D Service Manual page 121

DISASSEMBLY
2. XBR-65X850D/855D/857D
2-18. SHEET, INUSLATION (PDT 2L) AND CUSHION (PDT AC)
NOTE:
1 2 3
When you do panel replacement,
SHEET, INUSLATION (PDT 2L)
please also replace this part at the same time to a new one.
121
XBR-55X850D/857D, 65X850D/855D/857D, 75X850D