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Extracted text from sony mv 65 st service manual (Ocr-read)
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MV-65ST
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 the soldering iron around 270 °C dur-
ing 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 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 PUB-
LISHED BY SONY.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure. About discs this player can
play
This player can play the following discs:
-DVD
-DVD-R
-DVD-RW
-Video CD
-Audio CD
-CD-R/CD-RW
Disc type Label on the disc
DVD Videos
Video CDs
Audio CDs
MP3 files/
JPEG files
DVD VIDEO, DVD-R and DVD-RW are
trademarks.
On power sources
-Use house current or car battery (12 V DC).
-For use in your house, use the AC power
adaptor supplied with the player. Do not use
any other AC power adaptor since it may
cause the player to malfunction.
Polarity of
the plug
Notes on CD-Rs (recordable CDs)/
CD-RWs (rewritable CDs)
-Some CD-Rs/CD-RWs (depending on the
equipment used for its recording or the
condition of the disc) may not play on this
player.
- You cannot play a CD-R/CD-RW that is not
finalized*.
- You cannot play a CD-R/CD-RW that is
recorded in Multi Session.
- You can play MP3/JPEG files recorded on
CD-ROMs, CD-Rs, and CD-RWs.
*A process necessary for a recorded CD-R/CD-R W disc to be played on the audio CD player.
This label is located on the bottom of the
chassis.
CAUTION INVISIBLE
DO NOT STARE INTO BEAM OR
VIEW DIRECTLY WITH OPTICAL INSTRUMENTSLASER RADIATION WHEN OPEN
This label is located on the drive units internal
chassis.
ATTENTION AU COMPOSANT AYANT RAPPORT
Ã- LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
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MV-65ST
TABLE OF CONTENTS
1. SERVICING NOTES
............................................... 3
2. GENERAL
Location of Controls....................................................... 4
3. DISASSEMBLY
3-1. Disassembly Flow........................................................... 7
3-2. Base (Monitor) Assy....................................................... 8
3-3. Cabinet (Front) Assy....................................................... 8
3-4. Monitor Assy................................................................... 9
3-5. Hinge............................................................................... 10
3-6. MONITOR Board........................................................... 10
3-7. Liquid Crystal Display Panel (LCD1)............................ 11
3-8. DVD MD Assy................................................................ 11
3-9. SERVO Board, Mechanism Deck................................... 12
3-10. TD-S-Top-Cover............................................................. 12
3-11. Loading Mechanism Assy............................................... 13
3-12. Traverse Mechanism Assy.............................................. 13
4. TEST MODE .............................................................. 14
5. ELECTRICAL ADJUSTMENTS ......................... 15
6. DIAGRAMS
6-1. Block Diagram -“ AUDIO Section -“............................... 18
6-2. Block Diagram -“ VIDEO, PANEL Section -“................ 19
6-3. Block Diagram -“ POWER Section -“.............................. 20
6-4. Note for Printed Wiring Boards
and Schematic Diagrams................................................ 21
6-5. Printed Wiring Board
-“ MONITOR Board (Side A) -“...................................... 22
6-6. Printed Wiring Board
-“ MONITOR Board (Side B) -“...................................... 23
6-7. Schematic Diagram -“ MONITOR Board (1/4) -“........... 24
6-8. Schematic Diagram -“ MONITOR Board (2/4) -“........... 25
6-9. Schematic Diagram -“ MONITOR Board (3/4) -“........... 26
6-10. Schematic Diagram -“ MONITOR Board (4/4) -“........... 27
6-11. Printed Wiring Board -“ KEY Board -“............................ 28
6-12. Schematic Diagram -“ KEY Board -“.............................. 29
6-13. Schematic Diagram -“ POWER Section (1/2) -“.............. 30
6-14. Schematic Diagram -“ POWER Section (2/2) -“.............. 31
6-15. Printed Wiring Board -“ POWER Board (Side A) -“....... 32
6-16. Printed Wiring Board -“ POWER Board (Side B) -“....... 33
6-17. Printed Wiring Board -“ AMP Section -“......................... 34
7. EXPLODED VIEWS
7-1. Overall Section................................................................ 46
7-2. Cabinet (Front) Section................................................... 47
7-3. Base (Monitor) Section................................................... 48
7-4. Monitor Section............................................................... 49
7-5. Cabinet (Lower) Section-1.............................................. 50
7-6. Cabinet (Lower) Section-2.............................................. 51
7-7. Mechanism Deck Section-1............................................ 52
7-8. Mechanism Deck Section-2............................................ 53
7-9. Mechanism Deck Section-3............................................ 54
8. ELECTRICAL PARTS LIST............................ 55
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down 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
Never look into the laser diode emission from right above when
checking it for adjustment. It is feared that you will lose your sight.
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
-Unleaded solder melts at a temperature about 40 °C higher than
ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if the
heated tip is applied for too long, so be careful!
-Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges oc-
cur such as on IC pins, etc.
-Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder. For E model NTSC type and PAL type.
The type of an NTSC system and the type of a PAL system exist in
E model.
Please refer to the following figure about how to recognize.
NTSC: NTSC TYPE
PAL: PAL TYPE
-“ BACK VIEW -“
SECTION 1
SERVICING NOTES