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HCD-BX10/BX20/BX50BT
2
1.
SERVICING NOTES
............................................. 3
2. GENERAL
.................................................................. 5
3. DISASSEMBLY
3-1. Disassembly
Flow
........................................................... 7
3-2. Panel (Side L/R) .............................................................. 8
3-3. Top Panel Block .............................................................. 8
3-4. TOP KEY Board, Panel Top ........................................... 9
3-5. Front Panel Block ........................................................... 9
3-6. Rear Panel Block ............................................................ 10
3-7. Panel
3-3. Top Panel Block .............................................................. 8
3-4. TOP KEY Board, Panel Top ........................................... 9
3-5. Front Panel Block ........................................................... 9
3-6. Rear Panel Block ............................................................ 10
3-7. Panel
(Rear)
.................................................................... 10
3-8. AMP Board Block ........................................................... 11
3-9. POWER Board Block ..................................................... 11
3-10. MAIN Board ................................................................... 12
3-11. Loading Mechanism Block ............................................. 12
3-12. Base Unit ......................................................................... 13
3-13. Belt .................................................................................. 13
3-14. OP Base Assy (KSM-213D) ........................................... 14
3-9. POWER Board Block ..................................................... 11
3-10. MAIN Board ................................................................... 12
3-11. Loading Mechanism Block ............................................. 12
3-12. Base Unit ......................................................................... 13
3-13. Belt .................................................................................. 13
3-14. OP Base Assy (KSM-213D) ........................................... 14
4.
TEST MODE
............................................................ 15
5.
ELECTRICAL CHECKS
...................................... 17
6. DIAGRAMS
6-1. Block Diagram - CD SERVO Section - .......................... 19
6-2. Block Diagram - TUNER/BLUETOOTH Section - ....... 20
6-3. Block Diagram - MAIN Section - ................................... 21
6-4. Block
6-2. Block Diagram - TUNER/BLUETOOTH Section - ....... 20
6-3. Block Diagram - MAIN Section - ................................... 21
6-4. Block
Diagram
- PANEL/POWER SUPPLY Section - ............................ 22
6-5. Printed Wiring Boards - CD Section - ............................ 24
6-6. Schematic Diagram - CD Board - ................................... 25
6-7. Printed
6-6. Schematic Diagram - CD Board - ................................... 25
6-7. Printed
Wiring
Boards
- BLUETOOTH Section (BX50BT) - ............................. 26
6-8. Schematic
Diagram
- BLUETOOTH Section (BX50BT) - ............................. 27
6-9. Printed Wiring Boards - MAIN Section - ....................... 28
6-10. Schematic Diagram - MAIN Section (1/3) - ................... 29
6-11. Schematic Diagram - MAIN Section (2/3) - ................... 30
6-12. Schematic Diagram - MAIN Section (3/3) - ................... 31
6-13. Printed Wiring Boards
6-10. Schematic Diagram - MAIN Section (1/3) - ................... 29
6-11. Schematic Diagram - MAIN Section (2/3) - ................... 30
6-12. Schematic Diagram - MAIN Section (3/3) - ................... 31
6-13. Printed Wiring Boards
- AMP/HEADPHONE Section - ..................................... 32
6-14. Schematic Diagram - AMP/HEADPHONE Section - .... 33
6-15. Printed Wiring Boards - PANEL Section - ..................... 34
6-16. Schematic Diagram - PANEL Section - .......................... 35
6-17. Printed Wiring Boards - POWER Section - .................... 36
6-18. Schematic Diagram - POWER Section - ........................ 37
6-15. Printed Wiring Boards - PANEL Section - ..................... 34
6-16. Schematic Diagram - PANEL Section - .......................... 35
6-17. Printed Wiring Boards - POWER Section - .................... 36
6-18. Schematic Diagram - POWER Section - ........................ 37
7.
EXPLODED VIEWS
7-1. Panel
Section
................................................................... 44
7-2. Top Panel Section ........................................................... 45
7-3. Front Panel Section ......................................................... 46
7-4. MAIN Board Section ...................................................... 47
7-5. POWER Board Section ................................................... 48
7-6. Loading Mechanism Section .......................................... 49
7-7. Base Unit Section (BU-K6BD90-WOD) ....................... 50
7-3. Front Panel Section ......................................................... 46
7-4. MAIN Board Section ...................................................... 47
7-5. POWER Board Section ................................................... 48
7-6. Loading Mechanism Section .......................................... 49
7-7. Base Unit Section (BU-K6BD90-WOD) ....................... 50
8.
ELECTRICAL PARTS LIST
.............................. 51
TABLE OF CONTENTS
Notes on chip component replacement
•
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
aged by heat.
Flexible Circuit Board Repairing
•
•
Keep the temperature of soldering iron around 270 °C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
SAFETY-RELATED COMPONET 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
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.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
Use of controls or adjustments or performance of procedures other than
those specifi ed herein may result in hazardous radiation exposure.
Use of controls or adjustments or performance of procedures other than
those specifi ed herein may result in hazardous radiation exposure.
This appliance is classifi ed as a
CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
Ver. 1.1
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