Hitachi HRDMD 40 Service Manual

Page 1

TY No. 590EGF

HRD-MD4O

i§i HITACHI

SERVICE MANUAL

[US, CS, ES, ZS, BS, SA, EW]

TNuQISWUOISDi chaeeie

CONTENTS

SPECIFICATIONS

INHALTSVERZEICHNIS

TECHNISCHEN DATEN '-

TABLE DES MATIERES

CARACTERISTIQUE TECHNIQUES 3

DISASSEMBLY - 4 DEMONTAGE ----- ~ DEMONTAGE - 5
ADJUSTMENTS -- - - 8 EINSTELLUNGEN- 11 REGLAGE " 14
INSPECTION OF MECHANISM 10 PRUFUNG DES LAUFWERKS 13 INSPECTION DU MECANISME 16
LUBRICATION 17 SCHMIERUNG ------------ 17 LUBRIFICATION ----------------- 17
MAINTENANCE '4 17 PFLEGE DES GERATS --------- 17 ENTRETIEN ------------------------------ I7
DIFFERENCE FOR DESTINATION ----- 18 UNTERSCHIEDE NACH DIFFERENCE EN FONCTION
PRINTEDWIRING BOARD - 21-25 BESTIMMUNGSLANDERN ------------- 18 DU PAYS DE DESTINATION ~~ 18
CIRCUIT DIAGRAM 26-30 PRINTPLATFEN ~ PLAN DE BASE 21-25
WIRING DIAGRAM - 31 SCHALTF'LAN ------ PLAN DE CIRCUIT 26-30
EXPLODED VIEW 4' 33 VERDRAHTUNGSSCHEMA SCHEMA DE CABLAGE ~ ~ 31
REPLACEMENT PARTS LIST ---------- 36 EXPLOSIONSANSICHT ~ VUE EXPLOSEE -------- 33

ERSATZTEILLISTE --------- TABLEAU DES PIECES ~' - 36
SAFETY PRECAUTIONS

The following precautions should be observed when servicing

1. Since many parts in the unit have special safety related characteristics, always use genuine Hitachi's
replacement parts Especially critical parts in the power circuit block should not be replaced with other makers.
Critical parts are marked with A in the circuit diagram and printed wiring board.

2. Before returning a repaired unit to the customer, the service technician must thoroughly test the unit to
ascertain that it is completely safe to operate without danger of electrical shock.

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

STEREO TUNER-AMPLIFIER DOUBLE CASSETTE RECORDER

July 1988

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