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Extracted text from sony d ej 613 service manual (Ocr-read)
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Specifications ............................................................................ 1
1. SERVICING NOTES ................................................... 3
2. GENERAL
Locating the Controls ......................................................... 4
3. DISASSEMBLY
3-1. Cabinet (Rear) Sub ASSY,
Cabinet (Front), Main Board ....................................... 6
3-2. MD ASSY ................................................................... 6
3-3. ÒMotor ASSY, Turn Table (Spindle) (M901)Ó ............ 7
3-4. ÒMotor ASSY (Sled) (M902)Ó,
Optical Pick-up (DAX-23E) ...................................... 7
3-5. ÒLid, UpperÓ, Switch Unit .......................................... 7
4. ELECTRICAL ADJUSTMENS ............................... 8
5. DIAGRAMS
5-1. Explanation of IC Terminals ....................................... 9
5-2. Block Diagram ........................................................... 11
5-3. Printed Wiring Boards .............................................. 14
5-4. Schematic Diagram ................................................... 17
6. EXPLODED VIEWS
6-1. Cabinet Section ......................................................... 23
6-2. Optical pick-up Section (CDM-3223EBA) .............. 25
7. ELECTRICAL PARTS LIST ................................... 26
ATTENTION AU COMPOSANT AYANT RAPPORT
Ë LA SƒCURITƒ!
LES COMPOSANTS IDENTIFIƒS PAR UNE MARQUE 0 SUR LES
DIAGRAMMES SCHƒMATIQUES ET LA LISTE DES PIéCES
SONT CRITIQUES POUR LA SƒCURITƒ DE FONCTIONNEMENT.
NE REMPLACER CES COMPOSANTS QUE PAR DES PIéCES
SONY DONT LES NUMƒROS SONT DONNƒS DANS CE MANUEL
OU DANS LES SUPPLƒMENTS PUBLIƒS PAR SONY.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.
Flexible Circuit Board Repairing
¥ Keep the temperature of the 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.
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.
TABLE OF CONTENTS
This Compact Disc player is
classified as a CLASS 1 LASER
product.
The CLASS 1 LASER
PRODUCT label is located on
the rear exterior. CAUTION
Use of controls or adjustments or performance of procedures other
than those specified herein may result in hazardous radiation
exposure.
Laser component in this product is capable of emitting
radiation exceeding the limit for Class 1.
DANGER
Invisible laser radiation when open and interlock failed or defeated.
Avoid direct exposure to beam.
Supplied accessories
For the area code of the location in the which you purchased the CD
player, check the upper left side of the bar code on the package.
AC power adaptor (1)aÐ
Headphones /earphones with Ða
remote control (1)
Headphones /earphones (1)aÐ
Rechargeable batteries (2) Ða
Battery carrying case (1) Ða
Strap (1)aa
For US customers
The AC power adaptor supplied is not intended to be serviced. Should AC
power adaptor cease to function in its intended manner, during the
warranty period, the adaptor should be returned to your nearest Sony
Service Center or Sony Authorized Repair Center for replacement, or
after warranty period, it should be discarded.
Design and specifications are subject to change without notice.
D-EJ615 D-EJ611
¥ Abbreviation
AUS : Australian
FR : French HK : Hong Kong
AR : Argentina JE : Tourist
G : German EA : Saudi Arabia
CH : Chinese EE : East European
C&SA : Central and South America
E13 : AC220-230V area model
E33 : AC100-240V area model
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S801
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, observe from more
than 30cm away from the objective lens.
Before Replacing the Optical pick-up Block
Please be sure to check thoroughly the parameters as per the ÒOptical
pick-up Block Checking ProcedureÓ (Part No. : 9-960-027-11) issued
separately before replacing the optical Pick-up block.
Note and specifications required to check are given below.
¥ FOK output : IC601 eg pin
When checking FOK, remove the lead wire to disc motor.
¥ RF signal P-to-P value : 0.4 to 0.5Vp-p
SECTION 1
SERVICING NOTES
Laser Diode Checking Methods
During normal operation of the equipment, emission of the laser diode
is prohibited unless the upper panel is closed while turning ON the S801
(push switch type).
The following two checking methods for the laser diode are operable.
Method :
Emission of the laser diode is visually checked.
1. Open the upper lid.
2. Push the S801 as shown in Fig. 1 .
3. Check the object lens for confirming normal emission of the laser
diode. If not emitting, there is a trouble in the automatic power
control circuit or the optical pick-up. During normal operation, the
laser diode is turned ON about 2.5 seconds for focus searching. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR
BASE UNIT
Fig.1 Method to push S801