Sony Walkman WM-EX511 User Manual

TABLE OF CONTENTS
Section Title Page
SECTION 1. SERVICING NOTE ...............c eee 3
SECTION: 2... ~ GENERAL ccuccicstasiocrentctictatstidaeaciinets 5
SECTION 3. DISASSEMBLY
3-1. Cassette Lid Assembly and Case Assembly .............:00 6
3-2. -HOMMEr:ASSOIMIDNY cocssesavaceccsstictscd sans sneorendguasnvunsranedeasSiiedacnins 6
3-3. Opening of Main Board... cseecsesecssesesestereseteeesersees 7
Ort. BOM cistccaliverlenctiss essa eciienateosetnes eee eso tetas ee 7
SECTION 4. ADJUSTMENTS
4-1. Mechanical Adjustment ...........:::cccssscessessesessseeseeesseeeees 8
4-2; Eloctrical AGhUSUMGINS iic2ccscs siete retccensiccsasercvneccasasscbeesedonnees 8
SECTION 5. DIAGRAMS
Beas, EBIOGK DIVAN cisiscccyacsek cect ec istc eng rnccatiosnaeateadaraasinaoanteones 9
5-2. - SchOmale Dagan fasi.cvciesscasssecsnsecvenssvcapcrvacsvorventaccnecsaate es 11
5-3. Printed Wiring Board — Main board Suffix No. [11] — ...... 15
5-4. Printed Wiring Board — Main board Suffix No. |i2) — ...... 18
5-5. Semiconductor Lead Layouts 0.0.0... ceeeseecesssseeeeasecneneses 21
5-6: . IC Block Diagrams :...:<.caaknicentasiiiainianiees 21
5-7. IC Pin Function
IC701 System Control IC (MSM6576) ..........:cececeeerseeeees 22
SECTION 6. EXPLODED VIEWS
6-1. Case and Lid Section 0.0... cecccccecssesssesesssssssssesssssesseaeaes 23
6-2. Main Board Section .........cccccecesecscesecesseeecesecseneesseseeesesenenes 24
6-3. Mechanism Section 1 (MT-WMEX911-60) ........::sseesseesees 25
6-4. Mechanism Section 2 (MT-WMEX911-60) ........c:cesseeeeees 26
SECTION 7. ELECTRICAL PARTS LIST ...............0.. 27
Notes on chip component replacement
« Never reuse a disconnected chip component.
¢ Notice that the minus side of a tantalum capacitor may be
damaged by heat.
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 ofthe
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 A OR DOTTED
LINE WITH MARK A\ 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.

Sony Walkman WM-EX511 Specifications

General

Brand	Sony
Model	Walkman WM-EX511
Category	Cassette Player
Language	English