Read Sony CMT-BX70DBI / HCD-BX70DBI Service Manual online
HCD-BX70DBi
2
1.
SERVICING NOTES
............................................. 3
2. GENERAL
.................................................................. 4
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 6
3-2. Panel (Side L/R) .............................................................. 7
3-3. Top Panel Block .............................................................. 7
3-4. TOP KEY Board, IP Board, Panel Top (IP) .................... 8
3-5. Front Panel Block ........................................................... 8
3-6. Rear Panel Block ............................................................ 9
3-7. Panel (Rear) .................................................................... 9
3-8. AMP Board Block ........................................................... 10
3-9. POWER Board Block ..................................................... 10
3-10. MAIN Board ................................................................... 11
3-11. DAB Board, Module (DAB Tuner) ................................ 11
3-12. Loading Mechanism Block ............................................. 12
3-13. Base Unit ......................................................................... 12
3-14. Belt .................................................................................. 13
3-15. OP Base Assy (KSM-213D) ........................................... 13
3-2. Panel (Side L/R) .............................................................. 7
3-3. Top Panel Block .............................................................. 7
3-4. TOP KEY Board, IP Board, Panel Top (IP) .................... 8
3-5. Front Panel Block ........................................................... 8
3-6. Rear Panel Block ............................................................ 9
3-7. Panel (Rear) .................................................................... 9
3-8. AMP Board Block ........................................................... 10
3-9. POWER Board Block ..................................................... 10
3-10. MAIN Board ................................................................... 11
3-11. DAB Board, Module (DAB Tuner) ................................ 11
3-12. Loading Mechanism Block ............................................. 12
3-13. Base Unit ......................................................................... 12
3-14. Belt .................................................................................. 13
3-15. OP Base Assy (KSM-213D) ........................................... 13
4.
TEST MODE
............................................................ 14
5.
ELECTRICAL CHECKS
...................................... 16
6. DIAGRAMS
6-1. Block Diagram - CD SERVO Section - .......................... 17
6-2. Block Diagram - iPod, TUNER, DAB Section - ............ 18
6-3. Block Diagram - MAIN Section - ................................... 19
6-4. Block
6-2. Block Diagram - iPod, TUNER, DAB Section - ............ 18
6-3. Block Diagram - MAIN Section - ................................... 19
6-4. Block
Diagram
- 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 - DAB Board - ............................. 24
6-8. Schematic Diagram - DAB Board - ................................ 25
6-9. Printed Wiring Board - IP Board - .................................. 26
6-10. Schematic Diagram - IP Board - ..................................... 27
6-11. Printed Wiring Boards - MAIN Section - ....................... 28
6-12. Schematic Diagram - MAIN Section (1/3) - ................... 29
6-13. Schematic Diagram - MAIN Section (2/3) - ................... 30
6-14. Schematic Diagram - MAIN Section (3/3) - ................... 31
6-15. Printed Wiring Boards
6-6. Schematic Diagram - CD Board - ................................... 23
6-7. Printed Wiring Board - DAB Board - ............................. 24
6-8. Schematic Diagram - DAB Board - ................................ 25
6-9. Printed Wiring Board - IP Board - .................................. 26
6-10. Schematic Diagram - IP Board - ..................................... 27
6-11. Printed Wiring Boards - MAIN Section - ....................... 28
6-12. Schematic Diagram - MAIN Section (1/3) - ................... 29
6-13. Schematic Diagram - MAIN Section (2/3) - ................... 30
6-14. Schematic Diagram - MAIN Section (3/3) - ................... 31
6-15. Printed Wiring Boards
- AMP/HEADPHONE Section - ..................................... 32
6-16. Schematic Diagram - AMP/HEADPHONE Section - .... 33
6-17. Printed Wiring Boards - PANEL Section - ..................... 34
6-18. Schematic Diagram - PANEL Section - .......................... 35
6-19. Printed Wiring Board - POWER Board - ........................ 36
6-20. Schematic Diagram - POWER Board - .......................... 37
6-17. Printed Wiring Boards - PANEL Section - ..................... 34
6-18. Schematic Diagram - PANEL Section - .......................... 35
6-19. Printed Wiring Board - POWER Board - ........................ 36
6-20. Schematic Diagram - POWER Board - .......................... 37
7.
EXPLODED VIEWS
7-1. Panel
Sectiom
................................................................. 45
7-2. Top Panel Section ........................................................... 46
7-3. Front Panel Section ......................................................... 47
7-4. MAIN Board Section ...................................................... 48
7-5. POWER Board Section ................................................... 49
7-6. Loading Mechanism Section .......................................... 50
7-7. Base Unit Section (BU-K6BD90-WOD) ........................ 51
7-3. Front Panel Section ......................................................... 47
7-4. MAIN Board Section ...................................................... 48
7-5. POWER Board Section ................................................... 49
7-6. Loading Mechanism Section .......................................... 50
7-7. Base Unit Section (BU-K6BD90-WOD) ........................ 51
8.
ELECTRICAL PARTS LIST
.............................. 52
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.
iPod section
Compatible iPod models:
iPod touch
iPod nano 3rd
generation
(video)
iPod classic
iPod nano 2nd
generation
(aluminum)
iPod 5th
generation
(video)
iPod nano 1st
generation
iPod 4th
generation
(color display)
iPod 4th
generation
iPod mini
General
Power requirements: 230 V AC, 50/60 Hz
Power consumption: 63 watts
Dimensions (w/h/d) (excl. speakers): Approx. 215 × 140 × 298 mm
Mass (excl. speakers):
Power consumption: 63 watts
Dimensions (w/h/d) (excl. speakers): Approx. 215 × 140 × 298 mm
Mass (excl. speakers):
Design and specifications are subject to change without notice.
Approx. 3.9 kg
CAUTION
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
This appliance is classifi ed as
a CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
a CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
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