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No. 338
EGF
HGE-2lOO
CONTENTS
.
INHALT
.
SOMMAIRE
SPECIFICATIONS
.
TECHNISCHE DATEN
.
sPEC|FICAT|ONS....................
......................
1,2
FEATURES
.
MERKMALE
.
CARACTERISTIOUES....................
3
DISASSEMBLY
AND
REPLACEMENT. ZERLEGUNG UND
AUSTAUSCHE'
DEMONTAGE
ET
REMONTAGE.....................
3
ADJUSTMENTS
.
EtNSTELLVERFAHREN . RÉcr-ne
es........... +
BLOCK
D|AGRAM. BLOCKSCHEMA. SCHEMA......................
4
PRINTED
WIRING
BOARD
.
PRINTPLATTEN
.
PLAN
DE
84SE................
.........
5
CIRCUIT
DIAGRAM
.
SCHALTPLAN
.
P|-AN
DE
C!RCU|T...........
.........
6
REP]ACEMENT
PARTS
LIST.
ERSATZTEILLISTE.
TABLEAU
DES
PtECES....
..................................
7
FRONT
AND
REAR PANET.VORDERE UND HINTERE
BEOIENUNGSTAFEL. PANNEAUX
AVANT
ET
ARRIERE.......
11
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 schematic
diagram and
circuit
board diagram.
2.
Before
returning
a repaired
unit to the
customer,
the
service
technician must thoroughly test the
unit
to
ascertain
that
iî
is
completely
safe
to
operate
without
danger of electrical shock.
SPECIFICATIONS
lnput
sensitivity/
lmpedance
Rated
output/
lmpedance
Total harmonic distor-
tion
Frequency response
Signal-to-noise
ratio
Equalizer
center
fre-
quencies
MIC
1
mV/8
kohms
SOURCE/
TAPE 15O
mY/47
kohms
150 mV/4
kohms
0.05%
(1V
output)
20Hz-2O
kHz
-+2
dB
70
dB
(150
mV input)
9 elements
63
Hz,
125 Hz,25O
Hz,
5OO
Hz,1
kHz,2k{z,4kHz,
8kHz,16kHz
Variable
range
of adjust-
ment
Echo
time
Delay
time
MIC
jacks
Tape
systems
Power supply
voltage
Power consumption
Dimensions
Weight
-r
1O
dB
variablel
sec.-4sec.
variable
20
msec.
-
1OO
msec.
2
1
AC1
20V
60
Hz,
-22OV 50
Hz,
-24OV 50
Hz,
'l
10-120\l
|22O-24OV
50/60
Hz
10w
435
(W)x 83 (H)x
225
(D)
mm
3ks
* All
specifications
for
this
unit apply
with
a
flat
equalization.
SPECIFICATIONS AND PARTS ARE SUBJECTTO CHANGE
FOR
IMPROVEMENT.
GRAPHIC
EOUALIZER
July 1982
TOYOKAWA
WORKS
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