MDS-S9 - Sony Audio Service Manual (repair manual). Page 5

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5
MDS-S9
TABLE  OF  CONTENTS
SELF-DIAGNOSIS  FUNCTION
....................................
2
1.
SERVICING  NOTES
...............................................
6
2.
GENERAL
................................................................... 10
3.
DISASSEMBLY
3-1. Disassembly Flow ........................................................... 12
3-2. Case ................................................................................. 13
3-3. MD Mechanism Deck (MDM-7A) ................................. 13
3-4. MAIN Board ................................................................... 14
3-5. BD Board ......................................................................... 14
4.
TEST  MODE
.............................................................. 15
5.
ELECTRICAL  ADJUSTMENTS
......................... 20
6.
DIAGRAMS
6-1. Block Diagram – SERVO Section – ............................... 31
6-2. Block Diagram – MAIN Section – ................................. 32
6-3. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 33
6-4. Printed Wiring Boards – BD Board – ............................. 35
6-5. Schematic Diagram – BD Board (1/2) – ........................ 36
6-6. Schematic Diagram – BD Board (2/2) – ........................ 37
6-7. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 38
6-8. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 39
6-9. Schematic Diagram – MAIN Board (1/3) – ................... 40
6-10. Schematic Diagram – MAIN Board (2/3) – ................... 41
6-11. Schematic Diagram – MAIN (3/3)/PT Boards – ............ 42
6-12. Printed Wiring Board – PT Board – ............................... 43
6-13. Printed Wiring Board – DISPLAY Board – ................... 44
6-14. Schematic Diagram – DISPLAY Board – ...................... 45
6-15. IC Pin Function Description ........................................... 46
7.
EXPLODED  VIEWS
7-1. Case Section .................................................................... 52
7-2. Front Panel Section ......................................................... 53
7-3. Mechanism Deck Section-1 (MDM-7A) ........................ 54
7-4. Mechanism Deck Section-2 (MDM-7A) ........................ 55
8.
ELECTRICAL  PARTS  LIST
............................... 56
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.
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.
This appliance is classified 
as a CLASS 1 LASER 
product.
The CLASS 1 LASER 
PRODUCT MARKING is 
located on the rear exterior.
The following caution label is located inside the unit.
ADVARSEL
Eksplosjonsfare ved feilaktig skifte av batteri.
Benytt samme batteritype eller en tilsvarende type
anbefalt av apparatfabrikanten.
Brukte batterier kasseres i henhold til fabrikantens
instruksjoner.
VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en likvärdig typ som
 rekommenderas av apparattillverkaren.
Kassera använt batteri enligt gällande föreskrifter.
VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin.
Hävitä käytetty paristo valmistajan ohjeiden mukaisesti.
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering.
Udskiftning må kun ske med batteri
af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandøren.
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by
the manufacturer.
Discard used batteries according to the manufacturer’s instructions.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
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