Sony cfd e 77 service manual

Page 2

CFD-E77L

3-1.
372.
373.
3-4.
375.
376.
377.
3-8.
379.
340.
341.
3-12.
343.

676.
677.

679.

640.
641.
642.
643.
644.
645.
646.
647.

648.

649.

7- ll
72.
773.
774.
775.
776.
777.

TABLE OF CONTENTS

SERVICING NOTES .............................................. 3
GENERAL .................................................................. 4
DISASSEMBLY

Disassembly Flow
Cabinet Lower Assy
AC INLET Board, Power Boar
TUNER Board, MAIN Board
Cover Plate Assy .................................
CD Mechanism Deck (KSM-213CDP)
Optical Pick-up (KSS-213C) ..............
Cabinet Front Assy ...........................
Deck (MFAV5417)

Lid Cassette Assy, LCD Board ..................
Head (HRP301), Motor A (M301), Belt
Connector Setting.

MECHANICAL ADJUSTMENTS ...................... l4

ELECTRICAL ADJUSTMENTS
Tape Deck Section
Tuner Section
CD Section

DIAGRAMS
Block Diagram 7 CD Section 7 .....
Block Diagram 7 TUNER Section
Block Diagram 7 MAIN Section 7
Block Diagram 7 POWER SUPPLY Section 7 ............ 22
Note for Printed Wiring Boar and

Schematic Diagrams .............
Printed Wiring Board 7 CD Section 7
Schematic Diagram 7 CD Section 7..
Printed Wiring Board 7 TUNER Section 7
Schematic Diagram 7 TUNER Section 7 .
Printed Wiring Board 7 TAPE DECK Section
Schematic Diagram 7 TAPE DECK Section 7
Printed Wiring Boards 7 MAIN/LCD Board
Schematic Diagram 7 MAIN Board (1/2) 7
Schematic Diagram 7 MAIN (2/2)/LCD Boards 7
Printed Wiring Boards 7 PANEL Section
Schematic Diagram 7 PANEL Section 7..
Printed Wiring Boards

7 POWER SUPPLY Section 7 ....................................... 34
Schematic Diagram

7 POWER SUPPLY Section 7 .
IC Pin Function Description .....

EXPLODED VIEWS

Cabinet Section ............................................................... 41
Cabinet Upper Section
Cabinet Front Section .
Cabinet Lower Section

43
44

Optical Pick7up Section (KSM-213CDP) . 45
Tape Mechanism Deck Section7l (MF7V5-l 17 46
Tape Mechanism Deck Section72 (MF7V5417) ............ 47
ELECTRICAL PARTS LIST .............................. 48

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.

CAUTION

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra7
diation exposure.

CLASS I LASER PRODUCT
LUOKAN I LASERLAITE

KLASS 1 LAS ERAPFARAT

This Compact Disc player is classified as :1
CLASS 1 LASER product,

The CLASS 1 LASER PRODUCT label is located
at the rear.

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 T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.