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TABLE OF CONTENTS
Flexible Circuit Board Repairing
·Keep the temperature of the soldering iron around 270ûC 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.
1. GENERAL.................................................................... 3
2. DISASSEMBLY
2-1. Lid Assy, Cassette ............................................................... 4
2-2. Lid, Battery Case ................................................................ 5
2-3. Cabinet (Rear) Assy ............................................................ 5
2-4. Main Board ......................................................................... 6
2-5. Mechanism Deck ................................................................. 6
2-6. LED Unit ............................................................................. 7
2-7. Head, Ceramic (HRPE901) ................................................. 7
3. MECHANICAL ADJUSTMENTS.............................. 8
4. ELECTRICAL ADJUSTMENTS............................... 8
5. DIAGRAMS
5-1. Block Diagram .................................................................. 11
5-2. Printed Wiring Board ........................................................ 13
5-3. Schematic Diagram ........................................................... 15
6. EXPLODED VIEWS
6-1. Cabinet Section ................................................................. 17
6-2. Mechanism Deck Section .................................................. 19
7. ELECTRICAL PARTS LIST..................................... 20
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE
WITH MARK ! 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.
ATTENTION AU COMPOSANT AYANT RAPPORT
Ë LA SƒCURITƒ!!
LES COMPOSANTS IDENTIFIƒS PAR UNE MARQUE ! 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.
