KDL-50R550A, KDL-50R555A, KDL-50R557A, KDL-60R520A, KDL-60R550A, KDL-60R551A, KDL-60R555A, KDL-60R557A, KDL-70R520A, KDL-70R550A, KDL-70R551A, KDL-70R555A, KDL-70R557A - Sony TV Service Manual (repair manual). Page 2

Read Sony KDL-50R550A / KDL-50R555A / KDL-50R557A / KDL-60R520A / KDL-60R550A / KDL-60R551A / KDL-60R555A / KDL-60R557A / KDL-70R520A / KDL-70R550A / KDL-70R551A / KDL-70R555A / KDL-70R557A Service Manual online

Chassis: RB1FK, BL
Chassis: RB1FK, BL 
2
TABLE OF CONTENTS
SECTION TITLE   
PAGE
SECTION 1:  DIAGRAMS ................................................................................................................................................................................................... 7
1-1.  Printed Circuit Boards and Schematic Diagrams Information .................................................................................................................... 7
1-2.  Circuit Boards Location .................................................................................................................................................................................. 8
1-3.  Connector Diagrams ........................................................................................................................................................................................ 9
 
For 50” Models Only ........................................................................................................................................................................................ 9
 
For 60” & 70” Models Only ............................................................................................................................................................................ 10
1-4.  Main Board (A Board) .................................................................................................................................................................................... 11
 
A Board Component Side .............................................................................................................................................................................. 11
 
A Board Conductor Side ................................................................................................................................................................................ 12
A Board Schematic ........................................................................................................................................................................................ 13
SECTION 2:  POWER SUPPLY BOARD (G BOARD) ..................................................................................................................................................... 39
 
G Board Component Side ............................................................................................................................................................................. 39
 
G4 Schematic for 50” Models Only .............................................................................................................................................................. 40
 
GE60 Schematic for 60” Models Only .......................................................................................................................................................... 41
 
GE70 Schematic for 70” Models Only .......................................................................................................................................................... 43
SECTION 3:  IR BOARD (H BOARD) .............................................................................................................................................................................. 46
 
H Board Component Side .............................................................................................................................................................................. 46
 
H Board Conductor Side ............................................................................................................................................................................... 46
 
H Board Schematic ........................................................................................................................................................................................ 47
SECTION 4:  ELECTRICAL PART LIST .......................................................................................................................................................................... 48
APPENDIX A:  ENCRYPTION KEY COMPONENTS ..................................................................................................................................................... A-1
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