HCD-BX77DBi
2
1. SERVICING NOTES .............................................. 3
2. DISASSEMBLY
2-1. Disassembly Flow........................................................... 4
2-2. Panel (Side L/R).............................................................. 5
2-3. Top Panel Block.............................................................. 5
2-4. TOP KEY Board, IP Board, Panel Top (IP).................... 6
2-5. Front Panel Block ........................................................... 6
2-6. Rear Panel Block ............................................................ 7
2-7. Panel (Rear) .................................................................... 7
2-8. AMP Board Block........................................................... 8
2-9. POWER Board Block ..................................................... 8
2-10. MAIN Board ................................................................... 9
2-11. DAB Board, Module (DAB Tuner) ................................ 9
2-12. Loading Mechanism Block............................................. 10
2-13. Base Unit......................................................................... 10
2-14. Belt.................................................................................. 11
2-15. Optical Pick-Up Block (KSM-213DCP) ........................ 11
3. TEST MODE ............................................................ 12
4. ELECTRICAL CHECKS ...................................... 14
5. DIAGRAMS
5-1. Block Diagram - CD SERVO Section -.......................... 15
5-2. Block Diagram - iPod, TUNER, DAB Section - ............ 16
5-3. Block Diagram - MAIN Section -................................... 17
5-4. Block Diagram
- PANEL, POWER SUPPLY Section -........................... 18
5-5. Printed Wiring Boards - CD Section - ............................ 20
5-6. Schematic Diagram - CD Board -................................... 21
5-7. Printed Wiring Board - DAB Board - ............................. 22
5-8. Schematic Diagram - DAB Board -................................ 23
5-9. Printed Wiring Board - IP Board - .................................. 24
5-10. Schematic Diagram - IP Board -..................................... 25
5-11. Printed Wiring Boards - MAIN Section - ....................... 26
5-12. Schematic Diagram - MAIN Section (1/3) -................... 27
5-13. Schematic Diagram - MAIN Section (2/3) -................... 28
5-14. Schematic Diagram - MAIN Section (3/3) -................... 29
5-15. Printed Wiring Boards
- AMP, HEADPHONE Section - .................................... 30
5-16. Schematic Diagram - AMP, HEADPHONE Section -.... 31
5-17. Printed Wiring Boards - PANEL Section - ..................... 32
5-18. Schematic Diagram - PANEL Section -.......................... 33
5-19. Printed Wiring Board - POWER Board -........................ 34
5-20. Schematic Diagram - POWER Board - .......................... 35
6. EXPLODED VIEWS
6-1. Panel Section................................................................... 43
6-2. Top Panel Section ........................................................... 44
6-3. Front Panel Section......................................................... 45
6-4. MAIN Board Section ...................................................... 46
6-5. POWER Board Section................................................... 47
6-6. Loading Mechanism Section .......................................... 48
6-7. Base Unit Section (BU-K6BD90-WOD)........................ 49
7. ELECTRICAL PARTS LIST .............................. 50
Accessories are given in the last of the electrical parts list.
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.
FLEXIBLE CIRCUIT BOARD REPAIRING
• Keep the temperature of 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.
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON 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.
is appliance is classied
as a CLASS 1 LASER
product. is marking
is located on the rear
exterior.
iPod section
CompatibleiPod 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 VAC, 50/60 Hz
Power consumption: 63 watts
Dimensions (w/h/d)(excl. speakers): Approx. 215 mm × 140 mm × 298 mm
Mass (excl. speakers): Approx. 3.9 kg
Designand specications are subject to changewithout notice.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radia-
tion exposure.
