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Hitachi HCA-7500 User Manual

Hitachi HCA-7500
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HCA-7500
STEREO
CONTROL
AMPLIFIER
INSTRUCTION
MANUAL
Congratulations!
HITACHI
Hi-Fi
products
are
the
proud
result
of
HITACHI
engineering
research
and
development
and
over
50
years
of
experience
in
electronics.
Laboratories
and
major
testing
facilities
are
maintained
in
Tokyo
and
Toyokawa
(Japan).
In
choosing
this
fine
HITACH!
Hi-Fi
product
you
have
demonstrated
an
acute
awareness
of
‘getting
the
most
for
your
money”.
With
HITACHI
products
this
is
not
an
idle
boast.
KEY
TO
ILLUSTRATIONS
GS
BOGDOOEQVQOEOHOHVO
POWER
switch
POWER
INDICATOR
LOW
FILTER
switch
HIGH
FILTER
switch
MODE
switch
BALANCE
control
CARTRIDGE
LOAD
selectors
Volume
control
(LEVEL
ATTENUATOR)
MUTING
switch
FUNCTION
switch
TAPE
switch
TREBLE
control
TURNOVER
switches
(BASS,
TREBLE)
TONE
switch
BASS
control
VQPBBW®POSHOoOoQooe
2
Ground
terminal
(GND)
PHONO
1
input
terminals
PHONO
2
input
terminals
TUNER
input
terminals
AUX
input
terminals
TAPE
1
PLAY
terminals
TAPE
1
REC
terminals
TAPE
2
PLAY
terminals
TAPE
2
REC
terminals
OUTPUT
terminals
AC
outlets
(for
U.S.A.
&
Canada
set
only)
Power
supply
cord
VOLTAGE
SELECTOR
(except
for
U.S.A.&
Canada
set)
SAFEGUARD
Electrical
energy
can
perform
many
useful
functions.
This
unit
has
been
engineered
and
manufactured
to
assure
your
personal
safety.
Improper
use
can
result
in
potential
electrical
shock
or
fire
hazards.
In
order
not
to
defeat
the
safeguards,
observe
the
following
instructions
for
its
installation,
use
and
servicing.
ysi|bug

Table of Contents

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Hitachi HCA-7500 Specifications

General IconGeneral
BrandHitachi
ModelHCA-7500
CategoryAmplifier
LanguageEnglish

Summary

Safeguard Information

Installation Guide

Product Features

Controls and Switches

Power Switch Operation

Controls the power supply and activates the power indicator.

Power Indicator Light

Indicates when the power switch is set to ON.

Low Filter Function

Cuts out low-frequency noise from records without affecting sound quality.

High Filter Function

Cuts out scratch and high-frequency noise from records and tapes.

Mode Selection Switch

Allows selection of STEREO, REVERSE, MONO, L+R, L, or R channel output.

Balance Adjustment Control

Adjusts the balance of right and left channel audio levels.

Cartridge Load Selectors

Sets load capacitance and resistance for optimal cartridge performance.

Volume Control (Level Attenuator)

Adjusts sound volume with precise 1 dB steps.

Muting Switch

Temporarily reduces volume by 20 dB to prevent shock noise.

Function Selector Switch

Selects the program source (PHONO, TUNER, AUX).

Tape Operation Switch

Controls tape playback, recording, and dubbing operations.

Treble Tone Control

Adjusts treble frequencies, with selectable turnover points.

Tone Turnover Switches

Selects bass and treble turnover frequencies for tone control.

Tone Control Switch

Enables or bypasses tone controls for flat frequency response.

Bass Tone Control

Adjusts bass frequencies, with selectable turnover points.

Troubleshooting Guide

Power Switch Operation Procedure

Technical Specifications

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