XBR-55X900B - Sony TV Service Manual (repair manual). Page 28

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XBR-55X900B 24
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
NOTE: The components identified by shading and 
!
 
mark are critical for safety. 
Replace only with part number specified. 
NOTE: The components identified by a red outline and a   mark contain confidential 
information. Specific instructions must be adhered to whenever these components are 
repaired and/or replaced. (See Appendix A) 
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Main Plate
Main Plate*
 
151 
A-2039-709-A 
BAXF BOARD, COMPLETE 
  
[152,153,154]
  
 
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE 
 
 
 
THE SOFTWARE TO THE LATEST VERSION.
 
152 
4-447-962-01 
HOLDER (HS)
 
153 
4-487-105-01 
SHEET, THERMAL (AYU2, A)
 
154 
4-487-101-01 
HOLDER, HS WS
 
155 
A-1989-740-A 
TUS BOARD, COMPLETE
  
 
AFTER REPLACING THE TUNER BOARD, YOU MUST UPDATE 
 
 
 
THE SOFTWARE TO THE LATEST VERSION.
 
156 
4-256-454-02 
SPACER (G A)
 
157 
4-457-451-01 
SHEET, THERMAL (BAF) 
 
 
 
ORDER THIS PART WHEN REPLACING THE MAIN BOARD.
 
REF. NO.  
PART NO. 
DESCRIPTION 
[ASSEMBLY INCLUDES]
*Reinstall Main Plate when replacing the LCD Panel.
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