Hitachi FTD 100 Service Manual

Page 1

§I HITACHI

SERVICE MANUAL

FT- D100

TY No.508 EGF

HA-Dl com-moo
(US,CS,BS,SA,ES,VS,KS,ZS,EW)

(-CONTENTS - INHALT - SOMMAIRE -fi

SPECIFICATIONS ~ TECHNISCHE DATEN -
CARACTERISTIOUES TECHNIQUES ............ 2,3
CIRCUIT BOARD CHECKING AND ESCUTCHEON
DISASSEMBLV PROCEDURES- PRUFUNG DER LEITER-
PLATTE UND FLONT-PLATTEN-
DEMDNTAGEVOHGANGE - CONTROL: DE CAnTE A
CIRCUITS IMPRIMES ET PROCEDE DE DEMONTAGE

DE PLAQUE DECORATIVE ................... 4
SERVICE POINT - WARTUNGSPUNKTE-
POINTS DE SERVICE ....................... 5

CHECKING THE OPERATION OF THE PROTECTION
CIRCUIT > KONTROLL DER FUNKTION DER
SCHUTZSCHALTUNG - CONTROL DE
FONCTIONNEMENT DU CIRCUIT DE PROTECTION. . 6-8
DESCRIPTION OF NEW CIRCUIT - BESCHREIBUNG

DES NEUEN - DESCRIPTION DES NOUVEAUX

CIRCUITS ........................... 9.10
WIRING DIAGRAM - SCHALTPLAN - SCHEMA DE
CABLAGE .......................... 11,12
PRINTED WIRING BOARD - PRINTPLATTEN -

PLAN DE BASE ................... 13,14,17, I8
CIRCUIT DIAGRAM- SCHALTPLAN-

PLAN DE CIRCUIT ................. 15,16,1920

BLOCK DIAGRAM- BLOCK CHEMA- -SCHEMA ......
REPLACEMENT PARTS LIST- ERSATSTEILLISIE-
TABLEAU DES PIECE .................. 22-27

k

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. 441EGF)
as its companion.

Das in dieser Anleitung erwéihnte Modell FT-D100 unterscheidet sich vom Vorgfingermodell FT-57
im wesentlichen nur in der éiulSeren 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 deli sie gemeinsam mit der FT- 57 Wartungsanleitung (Nr. 441 EGF) ver-
wendet werden soll.

Le modéle FT-D100 mentionné dans le présent manual ne présente aucune différenoe notoire avec
le modele FT- 57, modéle antérieurement mis en vente, exception faite dé la refonte de son aspect
extérieur et de la teinte des diodes électroluminescentes (LED). Ce manuel ne traite que des points
Ce manuel ne traite gue des points différents du modéle FT- 57 (schema do principe, schéma de cfiblage
et liste des composants et pieces de rechange) de sorte quil doit utilisé avec le manuel de dépannage
du modéle FT-57 (No. 441 EGF).

SAFETY PR ECAUTION

The followmg precautions should be observed when servicing.

1. Since many parts in the unit have special salely related characteristics, always use genume Hitachis 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 lechnlcian must thoroughly test the unit to ascenaln that it
is completely sale to operate without danger of electrical shock

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

STEREO AMPLIFIER/AM-FM STEREO TUNER

July 1986 TOYOKAWA WORKS