Hitachi HA D100 Service Manual

Page 1

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SAFETY PR ECAUTION

The following precautions should be observed when servicing.
1.

SERVICE MANUAL

TY No.508 EGF

HITACHI

HA-DI OO/FT-DIOO
(US,CS,BS,SA,ES,VS,KS,ZS,EW)

SPECIFICATIONS ' TECHNISCHE DATEN -

CIRCUIT BOARD CHECKING AND ESCUTCHEON
DISASSEMBLV PROCEDURES PROFUNG DER LEITER-
PLATTE UND FLONT-PLATTEN-
DEMONTAGEVORGANGE - CONTROLE DE CARTE A
CIRCUITS IMPRIMES ET PROCEDE DE DEMONTAGE

SERVICE POINT - WARTUNGSPUNKTE ~

CHECKING THE OPERATION OF THE PROTECTION
CIRCUIT - KONTROLL DER FUNKTION DER
SCHUTZSCHALTUNG ' CONTROL DE

DESCRIPTION OF NEW CIRCUIT - BESCHREIBUNG

DES NEUEN . DESCRIPTION DES NOUVEAUX
CIRCUITS ........................... 9,
WIRING DIAGRAM - SCHALTPLAN - SCHEMA DE
PRINTED WIRING BOARD - PRINTPLATTEN -

CIRCUIT DIAGRAM- SCHALTPLAN-

BLOCK DIAGRAM BLOCK CHEMA- SCHEMA ......
REPLACEMENT PARTS LIST- ERSATSTEILLISTE-

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FT- D100

The FT-D100 mentioned in this manual is no different from the FT-57, the model previously put on
sale, except that its esthetic design as well as the color of its LEDs is new.

This manual covers only those items differing from the FT-57 (Circuit diagram, Printed wiring board
and Replacement parts list) and, as such, should be used with the FT-57 service manual (No. MIEGF)
as its companion.

Das in dieser Anleitung erwéihnte Modell FT-D100 unterscheidet sich vom Vorgangermodell FT-57
im wasentlichen nur in der a'uBeren Gestaltung und der Farbe der LEDs. Diese Anleitung geht nur
Diese Anleitung behandelt nur Punkte, die sich von Modell FT-57 unterscheiden (Schaltplan, Leiter-
platte und Ersatzteilliste), so dais sie gemeinsam mit der FT- 57 Wartungsanlaitung (Nr. MIEGF) ver-
wendet werden soll.

Le models FT- D100 mentionné dans le présent manual ne présente aucune difference notoire avec
la models FT- 57, modéle antérieurement mis en vente, exception faite clé Ia refonte de son aqcect
extérieur et de la teinte des diodes électroluminescentes (LED). Ce manuel ne traite que des points
Ce manual ne traite gue des points différents du models FT- 57 (schema de principe, schema de cablage
at liste des composants et pieces de rechange) de sorte qu'il doit utilise avec Ie manual de dépannage
du modéle FTo57 (No. 441 EGF).

Since many parts in the unit have specral safely related characteristics, always use genuine Hitachis replacement parts.
Especially critical pans 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

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 AMPLIFIER/AM-FM STEREO TUNER

July I986 TOYOKAWA WORKS

f-CONTENTS - INHALT ~ SOMMAIRE _\

CARACTERISTIOUES TECHNIQUES ............ 2,3

DE PLAQUE DECORATIVE ................... 4
POINTS DE SERVICE ....................... 5

FONCTIONNEMENT DU CIRCUIT OE PROTECTION. . 6-9

CABLAGE .......................... 11,12
PLAN DE BASE ................... 13.14.17.18
PLAN DE CIRCUIT ................. 15,18,1920

TABLEAU DES PIECE .................. 22-27