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2
HCD-BX3R/BX4R
Notes on chip component replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270 ˚C
during repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
other than those specified herein may result in hazardous radiation
exposure.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE
WITH MARK
0
ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
...................................................................
5
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
6
3-2.
Panel (Side L/R) ..............................................................
7
3-3.
Panel (Top) ......................................................................
7
3-4.
MAIN Board, Shield Plate (PWB MAIN) ......................
8
3-5.
Lid (CD) Assy .................................................................
9
3-6.
Panel (Front) Assy ...........................................................
9
3-7.
D.C. Fan (M301), Panel (Rear) ....................................... 10
3-8.
POWER Transformer (T1) .............................................. 10
3-9.
Loading Mechanism Block ............................................. 11
3-10. Base Unit ......................................................................... 11
3-11. Belt .................................................................................. 12
3-12. OP Base Assy (KSM-213D) ............................................ 12
3-11. Belt .................................................................................. 12
3-12. OP Base Assy (KSM-213D) ............................................ 12
4.
TEST MODE
.............................................................. 13
5.
ELECTRICAL CHECKS
........................................ 15
6.
DIAGRAMS
6-1.
Block Diagram – CD SERVO Section – ......................... 17
6-2.
Block Diagram – TUNER, USB Section – ..................... 18
6-3.
Block Diagram – MAIN Section – .................................. 19
6-4.
Block Diagram
– PANEL, POWER SUPPLY Section – .......................... 20
– PANEL, POWER SUPPLY Section – .......................... 20
6-5.
Printed Wiring Boards – CD Section – ........................... 22
6-6.
Schematic Diagram – CD Board – .................................. 23
6-7.
Printed Wiring Board – USB Board – ............................. 24
6-8.
Schematic Diagram – USB Board – ................................ 25
6-9.
Printed Wiring Boards – REGULATOR Section – ......... 26
6-10. Schematic Diagram – REGULATOR Section – .............. 26
6-11. Printed Wiring Board – MAIN Board – .......................... 27
6-12. Schematic Diagram – MAIN Section (1/4) – .................. 28
6-13. Schematic Diagram – MAIN Section (2/4) – .................. 29
6-14. Schematic Diagram – MAIN Section (3/4) – .................. 30
6-15. Schematic Diagram – MAIN Section (4/4) – .................. 31
6-16. Printed Wiring Board – AMP Board – ............................ 32
6-17. Schematic Diagram – AMP Board – ............................... 33
6-18. Printed Wiring Boards – SPEAKER Section – ............... 34
6-19. Schematic Diagram – SPEAKER Section – .................... 35
6-20. Printed Wiring Boards – PANEL Section – ..................... 36
6-21. Schematic Diagram – PANEL Section – ......................... 37
6-22. Printed Wiring Boards
6-11. Printed Wiring Board – MAIN Board – .......................... 27
6-12. Schematic Diagram – MAIN Section (1/4) – .................. 28
6-13. Schematic Diagram – MAIN Section (2/4) – .................. 29
6-14. Schematic Diagram – MAIN Section (3/4) – .................. 30
6-15. Schematic Diagram – MAIN Section (4/4) – .................. 31
6-16. Printed Wiring Board – AMP Board – ............................ 32
6-17. Schematic Diagram – AMP Board – ............................... 33
6-18. Printed Wiring Boards – SPEAKER Section – ............... 34
6-19. Schematic Diagram – SPEAKER Section – .................... 35
6-20. Printed Wiring Boards – PANEL Section – ..................... 36
6-21. Schematic Diagram – PANEL Section – ......................... 37
6-22. Printed Wiring Boards
– POWER Section (BX3R: E2, E51) – ........................... 38
6-23. Schematic Diagram
– POWER Section (BX3R: E2, E51) – ........................... 39
6-24. Printed Wiring Board
– POWER Board (BX3R: MX, AR, RU/BX4R) – .......... 40
6-25. Schematic Diagram
– POWER Board (BX3R: MX, AR, RU/BX4R) – .......... 41
7.
EXPLODED VIEWS
7-1.
Panel Section ................................................................... 52
7-2.
Front Panel Section ......................................................... 53
7-3.
Main Section .................................................................... 54
7-4.
POWER Board Section ................................................... 55
7-5.
Loading Mechanism Section ........................................... 56
7-6.
Base Unit Section (BU-K6BD91UR-WOD) ................... 57
8.
ELECTRICAL PARTS LIST
................................ 58
classified as a CLASS
1 LASER product. This
marking is located on the
rear exterior.
1 LASER product. This
marking is located on the
rear exterior.
This appliance is
•
Abbreviation
AR
AR
: Argentina model
E2
: 120V AC area in E model
E51 : Chilean and Peruvian models
MX : Mexican model
RU
MX : Mexican model
RU
: Russian model
Ver. 1.1
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