Read Sony BDV-EF220 / BDV-EF420 / HBD-EF220 / HBD-EF420 Service Manual online
HBD-EF220/EF420
4
1.
SERVICING NOTES
.............................................. 5
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 12
2-2. How To Bend FFC .......................................................... 13
2-3. Left Panel, Right Panel ................................................... 14
2-4. Loading
2-3. Left Panel, Right Panel ................................................... 14
2-4. Loading
Panel
................................................................. 14
2-5. Top Panel, Front Panel Assy ........................................... 15
2-6. Top Chassis, POWER KEY Board, PANEL Board ........ 16
2-7. BD Drive (BPX-7) .......................................................... 17
2-8. MB148
2-6. Top Chassis, POWER KEY Board, PANEL Board ........ 16
2-7. BD Drive (BPX-7) .......................................................... 17
2-8. MB148
Board
................................................................. 17
2-9. Switching Regulator (SWR1) ......................................... 18
2-10. AMP Board ..................................................................... 18
2-11. Optical Pick-up Block (KEM480AAA),
Wire
2-10. AMP Board ..................................................................... 18
2-11. Optical Pick-up Block (KEM480AAA),
Wire
(Flat
Type)
..............................................................
19
3.
TEST MODE
............................................................. 20
4.
ELECTRICAL CHECK
.......................................... 28
5. DIAGRAMS
5-1. Block Diagram - SERVO Section - ................................ 29
5-2. Block Diagram - MEMORY/HDMI Section - ................ 30
5-3. Block Diagram - MAIN Section - ................................... 31
5-4. Block Diagram - AMP Section - ..................................... 32
5-5. Block Diagram - POWER SUPPLY Section - ................ 33
5-6. Printed Wiring Board - MB148 Board (Side A) - ........... 35
5-7. Printed Wiring Board - MB148 Board (Side B) - ........... 36
5-8. Schematic Diagram - MB148 Board (1/9) - ................... 37
5-9. Schematic Diagram - MB148 Board (2/9) - ................... 38
5-10. Schematic Diagram - MB148 Board (3/9) - ................... 39
5-11. Schematic Diagram - MB148 Board (4/9) - ................... 40
5-12. Schematic Diagram - MB148 Board (5/9) - ................... 41
5-13. Schematic Diagram - MB148 Board (6/9) - ................... 42
5-14. Schematic Diagram - MB148 Board (7/9) - ................... 43
5-15. Schematic Diagram - MB148 Board (8/9) - ................... 44
5-16. Schematic Diagram - MB148 Board (9/9) - ................... 45
5-17. Printed Wiring Board - AMP Board (Side A) - ............... 46
5-18. Printed Wiring Board - AMP Board (Side B) - ............... 47
5-19. Schematic Diagram - AMP Board (1/2) - ....................... 48
5-20. Schematic Diagram - AMP Board (2/2) - ....................... 49
5-21. Printed Wiring Boards - PANEL Section - ..................... 50
5-22. Schematic Diagram - PANEL Section - .......................... 51
5-23. Printed Wiring Board - TUNER2 Board - ...................... 52
5-24. Schematic Diagram - TUNER2 Board - ......................... 53
5-2. Block Diagram - MEMORY/HDMI Section - ................ 30
5-3. Block Diagram - MAIN Section - ................................... 31
5-4. Block Diagram - AMP Section - ..................................... 32
5-5. Block Diagram - POWER SUPPLY Section - ................ 33
5-6. Printed Wiring Board - MB148 Board (Side A) - ........... 35
5-7. Printed Wiring Board - MB148 Board (Side B) - ........... 36
5-8. Schematic Diagram - MB148 Board (1/9) - ................... 37
5-9. Schematic Diagram - MB148 Board (2/9) - ................... 38
5-10. Schematic Diagram - MB148 Board (3/9) - ................... 39
5-11. Schematic Diagram - MB148 Board (4/9) - ................... 40
5-12. Schematic Diagram - MB148 Board (5/9) - ................... 41
5-13. Schematic Diagram - MB148 Board (6/9) - ................... 42
5-14. Schematic Diagram - MB148 Board (7/9) - ................... 43
5-15. Schematic Diagram - MB148 Board (8/9) - ................... 44
5-16. Schematic Diagram - MB148 Board (9/9) - ................... 45
5-17. Printed Wiring Board - AMP Board (Side A) - ............... 46
5-18. Printed Wiring Board - AMP Board (Side B) - ............... 47
5-19. Schematic Diagram - AMP Board (1/2) - ....................... 48
5-20. Schematic Diagram - AMP Board (2/2) - ....................... 49
5-21. Printed Wiring Boards - PANEL Section - ..................... 50
5-22. Schematic Diagram - PANEL Section - .......................... 51
5-23. Printed Wiring Board - TUNER2 Board - ...................... 52
5-24. Schematic Diagram - TUNER2 Board - ......................... 53
TABLE OF CONTENTS
6.
EXPLODED VIEWS
6-1. Panel
Section
................................................................... 77
6-2. Front Panel Section ......................................................... 78
6-3. Chassis Bottom Section .................................................. 79
6-4. Chassis
6-3. Chassis Bottom Section .................................................. 79
6-4. Chassis
Section
............................................................... 80
6-5. BD Drive Section (BPX-7) ............................................. 81
7.
ELECTRICAL PARTS LIST
.............................. 82
This appliance is classified as a
CLASS 3R LASER product.
Visible and invisible laser radiation
is emitted when the laser protective
housing is opened, so be sure to
avoid direct eye exposure.
CLASS 3R LASER product.
Visible and invisible laser radiation
is emitted when the laser protective
housing is opened, so be sure to
avoid direct eye exposure.
This appliance is classified as a
CLASS 1 LASER product. This
marking is located on the rear
exterior.
CLASS 1 LASER product. This
marking is located on the rear
exterior.
The nameplate is located on the
bottom exterior.
bottom exterior.
This marking is located on the laser
protective housing inside the
enclosure.
protective housing inside the
enclosure.
Ver. 1.1
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