CDP-CX220, CDP-CX230, CDP-CX235 - Sony Audio Service Manual (repair manual). Page 2

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TABLE  OF  CONTENTS
1.
SERVICING  NOTES
...............................................
3
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
.........................................................
7
4.
TEST  MODE
.............................................................. 10
5.
MECHANICAL  ADJUSTMENTS
....................... 13
6.
ELECTRICAL  ADJUSTMENTS
......................... 19
7.
DIAGRAMS
................................................................. 22
7-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 23
7-2. Printed Wiring Board  – BD Section – ........................... 25
7-3. Schematic Diagram – BD Section – ............................... 27
7-4. Printed Wiring Board  – Main Section – ........................ 29
7-5. Schematic Diagram  – Main Section – ........................... 31
7-6. Printed Wiring Boards  – Jack Section – ........................ 33
7-7. Schematic Diagram  – Jack Section – ............................ 35
7-8. Printed Wiring Boards  – Panel Section – ...................... 37
7-9. Schematic Diagram  – Panel Section – .......................... 39
7-10. Printed Wiring Board  – Sensor/Motor Section – .......... 41
7-11. Schematic Diagram  – Sensor/Motor Section – ............. 43
7-12. IC Pin Function Description ........................................... 47
8.
EXPLODED  VIEWS
................................................ 49
9.
ELECTRICAL  PARTS  LIST
............................... 56
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
The laser component in this product
is capable of emitting radiation
exceeding the limit for Class 1.
This appliance is classified as
a CLASS 1 LASER product.
The CLASS 1 LASER
PRODUCT MARKING is
located on the rear exterior.
4-998-525-0
4-998-525-1
4-998-525-2
4-998-525-4
4-998-525-5
4-998-525-6
US model
Canadian model
AEP, AED UK model
Singapore model
E model
Australian model
PART No.
MODEL
MODEL IDENTIFICATION
— BACK PANEL —
• Abbreviation
AED:  North European
CAUTION
:
INVISIBLE    LASER    RADIATION    WHEN    OPEN    AND
INTERLOCKS   DEFEATED.    AVOID   EXPOSURE   TO   BEAM.
ADVARSEL :
USYNLIG   LASERSTRÅLING   VED   ÅBNING   NÅR 
SIKKERHEDSAFBRYDERE  ER  UDE  AF  FUNKTION.   UNDGÅ  UDSAETTELSE 
FOR  STRÅLING.
VORSICHT :
UNSICHTBARE  LASERSTRAHLUNG,  WENN 
ABDECKUNG  GEÖFFNET  UND  SICHEREITSVERRIEGELUNG 
ÜBERBRÜCKT.  NICHT  DEM  STRAHL  AUSSETZEN.
VARO
!
:
AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALT-
TIINA  NÄKYMÄTTÖMÄLLE  LASERSÄTEILYLLE.  ÄLÄ  KATSO  SÄTEESEEN.
VARNING
:
OSYNLING LASERSTRÅLING NÄR DENNA  DEL ÄR ÖPPNAD
OCH SPÄRREN ÄR URKOPPLAD. BETRAKTA EJ STRÅLEN.
ADVERSEL :
USYNLIG  LASERSTRÅLING  NÅR  DEKSEL  ÅPNES  OG 
SIKKERHEDSLÅS BRYTES.  UNNGÅ EKSPONERING FOR STRÅLEN.
VIGYAZAT
! :
A  BURKOLAT  NYITÁSAKOR  LÁTHATATLAN  LÉZERSU-
GÁRVESZÉLY
!   KERÜLJE  A  BESUGÁRZÁST! 
(Except for the customers in the United States and
Canada)
The following caution label is located inside the unit.
PART No.
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