Table Of Contents - Sony cdx-c8050x Service Manual
10 – 20,000 hz
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Also See for cdx-c8050x:
- Operating instructions manual (117 pages) ,
- Specifications (2 pages) ,
- Limited warranty (1 page)
Table of Contents
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SERVICE NOTE
CAUTION
Use of controls or adjustments or performance of proce-
dures other than those specified herein may result in haz-
ardous radiation exposure.
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.
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
breakdown because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also use
the procedure in the printed matter which is included in the repair
parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, ob-
serve from more than 30 cm away from the objective lens.
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.
TABLE OF CONTENTS
Location of controls ................................................................. 3
Getting Started ......................................................................... 3
Setting the clock ...................................................................... 3
CD/MD .................................................................................... 4
Radio ....................................................................................... 5
DSP .......................................................................................... 6
Other Functions ....................................................................... 7
TV/Video ................................................................................. 8
Additional Information ............................................................ 9
Connections ........................................................................... 10
2-1. Sub Panel Assy .................................................................. 12
2-2. CD Mechanism Block ....................................................... 12
2-3. Main Board ....................................................................... 13
2-4. Heat Sink ........................................................................... 13
2-5. Chassis (T) Assy ................................................................ 14
2-6. Lever Assy ......................................................................... 14
2-7. Servo Board ....................................................................... 15
2-8. ARM Roller Assy .............................................................. 15
2-9. Chassis (OP) Assy ............................................................. 16
2-10. Optical Pick-up Block ....................................................... 16
3-1. IC Pin Descriptions ........................................................... 17
3-2. Block Diagram -CD Section- ........................................... 26
3-3. Block Diagram -Tuner Section- ....................................... 27
3-4. Block Diagram -Display Section- .................................... 28
3-5. Circuit Boards Location .................................................... 29
3-6. Printed Wiring Boards -CD Mechanism Section- ............ 30
3-9. Printed Wiring Board -Main Section- .............................. 34
3-10. Schematic Diagram -Main Section (1/4)- ........................ 36
3-11. Schematic Diagram -Main Section (2/4)- ........................ 37
3-12. Schematic Diagram -Main Section (3/4)- ........................ 38
3-13. Schematic Diagram -Main Section (4/4)- ........................ 39
3-14. Printed Wiring Board -DSO Section- .............................. 40
3-15. Schematic Diagram -DSO Section- ................................. 41
3-16. Printed Wiring Board -Sub (CD) Section- ....................... 42
3-17. Schematic Diagram -Sub (CD) Section- .......................... 43
3-18. Printed Wiring Board -Key Section- ................................ 44
3-19. Schematic Diagram -Key Section- .................................. 45
4-1. Chassis Section ................................................................. 48
4-2. Front Panel Section ........................................................... 49
4-3. CD Mechanism Section (1) ............................................... 50
4-4. CD Mechanism Section (2) ............................................... 51
4-5. CD Mechanism Section (3) ............................................... 52
........................................ 53
Page 2
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