Sharp SM-307H User Manual

SHARP
SERVICE MANUAL /SERVICE-ANLEITUNG/ MANUEL DE SERVICE
$3736SM307HBK
SM-307H (BK}
PHOTO:SM-307H(BK)
@
In
the
interests
of
user-safety
the
set
should
be
restored
to
its
]
original
condition
and
only
parts
identical
to
those
specified
be
used.
e im Interesse der Benutzer-Sicherheit sollte dieses Gerat wieder
auf
seinen
ursprunglichen
Zustand
eingestellt
und
nur
die
vor-
geschriebenen Teile verwendet werden,
@ Dans I'intérét de la sécurité de |’utilisateur, I‘appareil devra étre
reconstituté dans sa condition premiére et seules des piéces
identiques a celles spécifiées, doivent étre utilisées.
INDEX TO CONTENTS =
( © Page
SPECIFICATIONS ....... 2... cece eee eee enna 2 EQUIVALENT CIRCUIT (BLOCK DIAGRAM)
NAMES OF PARTS ........ 2. cece eee cence eeee 2 OFAC jstiucureiniiesne tart aieltinght Wee caeassuncilets 27-29
DISASSEMBLY ..........0 ccc cece cece tect eenees 4 TYPES OF TRANSISTOR AND LED ............. 29
BLOCK DIAGRAM ......... 2c ccc cece eee e ee eees 6 WIRING OF PRIMARILY SUPPLY
CIRCUIT DESCRIPTION .............0 000 c eee 7-14 LEADS (FOR UK) ... 0.0 ee ceeeeee 30
NOTES ON SCHMATIC DIAGARM .............. 15 PACKING METHOD (FOR Uk) ..............00005 30
EXPLODED VIEW ........... 0.2 16 REPLACEMENT PARTS LIST................ 31-35
SCHEMATIC DIAGRAM/WIRING SIDE SERVICE INFORMATION ........... 0.000 eevee 36
OF P.W.BOARD ........... 0. cece eee eee 17-26
INHALTSVERZEICHNIS
O Seite
TECHNISCHE DATEN ............-.. 22 ee ee eee 3 SCHEMATISCHER SCHALTPLAN/VERDRAH-
BEZEICHNUNG DER TEILE ...................0.. 3 TUNGSSEITE DER LEITERPLATTE ........... 17-26
ZERLEGEN s-sc:5scctiiaceltiei ad Sean deems ees oss 5 ERSATZSCHALTKREIS (BLOCKSCHALTPLAN)
BLOCKSCHALTPLAN .............. 0c cece eee aee 6 DES INTEGRIERTEN SCHALTKREISES ...... 27-29
KREISBESCHREIBUNG ..................005. 7-14 TRANSISTOREN-UND
ANMERKUNGEN ZUM SCHEMATISCHEN LEUCHTDIODENTYPEN ...............0 00050 29
SCHALT PLAN?) sticcvctetet soundats Acataatt sat diac 15 ERSATZTEILLISTE ......... 0. cee cece 31-35
EXPLOSIONSDARSTELLUNG ................0. 16 SERVICEINFORMATION .............. 000000 36
©) TABLE DES MATIERES
Page
CARACTERISTIQUES ....0..0..00000cc00sseeeceaes 3 DIAGRAMME SCHEMATIQUE/COTE
NOMENCLATURE ............... 2. ee eee eee eee 3 CABLAGE DE LA PLAQUETTE
DEMONTAGE ......... 0.0 ccc cece cece ences 5 DE MONTAGE IMPRIME.................4. 17-26
DIAGRAMME SYNOPTIQUE .................--. 6 CIRCUITS EQUIVALENTS (DIAGRAMME
DESCRIPTION DU CIRCUIT................... 7-14 SYNOPTIQUE) DE Cl ...................005 27-29
REMARQUES CONCERNANT LE DIAGRAMME TRANSISTOR ET LED .......... 0.0... c cece eens 29
SCHEMATIQUE .......... 0. eee cece eee 15 LISTE DES PIECES DE RECHANGE .......... 31-35
ae EN BCRATE io cus rte se dcian dr aac nteds 16 INFORMATION DE SERVICE ................0.. 36
ane
SHARP CORPORATION

Sharp SM-307H Specifications

General

Brand	Sharp
Model	SM-307H
Category	Amplifier
Language	English

Summary

Specifications

Names of Parts

Lists and identifies all physical components and controls of the unit.

Disassembly Procedure

Disassembly Precautions

Provides critical safety and handling instructions before disassembling the unit.

Exploded View

IC Terminal Lists

Analog Switch IC Terminals (LC7823)

Lists pin names and functions for the LC7823 analog switch IC.

Graphic Equalizer Switching IC Terminals (LC7520)

Lists pin names and functions for the LC7520 graphic equalizer switching IC.

Circuitry Description

Schematic Diagram Notes

P.W. Board Wiring

Schematic Diagrams

Equivalent Circuits and Component Types

Equivalent Circuits of ICs

Displays block diagrams and pin configurations for key integrated circuits used in the unit.

Types of Transistors and LEDs

Identifies common transistor and LED types used, with their pin configurations.

Supply Leads and Packing

Replacement Parts List

Service Information

Supply Voltage Setting

Instructions for changing the unit's operating voltage from 220V to 110V.