Advertisement
HITACHI
HGE.1.1OO
BLOCK
DIAGRAM
.
BLOCKSCHEMA
.
SCHEMA
AMP
IN
AMP
OUT
EOUALIZER
sw.
s50
r
TAPE PLAY
TAPE
REC
R56o-569
r
ook
-
I
2OV
6OHz
-220v
-24OY
SOHz
Q90
I
zSCt740
-
I
fO-
t2OV/5,O/6oHz
-22o-24OV
s2 si
Ft
+B
_B
POWER TRANS.
D80
I
SIRBA
IO
QAO|
2SD667
QAO2
258647
Check
that exposed parts
are
acceptably insulated
from
the supply circuit before
retr-jrning
the
instru-
ment repaired to the custorner.
O
Checking method
-
Power
switch
is
set
to
ON
-
Next, measure
the
resistance value
between the
both poles
of
attachement cup (Power
supply
plug) and
the
input terminal
(outside)
of
rear
plate and check that the resistance value is
500
kohms
or rnore.
S5O
I
TAPE
MONITOR
sw.
S5O2
DEFEAT
sw.
S5O3
EQUALIZER
ON sw'
S5O4
ÉQUALIZER REC
sw'
Q5
r
O-51
gLR
2SAtOt5
t
I
l
I
i
ì
l
I
I
VOLTAGE
SELEGTOR
sw.
(for Asia &
Latin
American
countries,
etc.)
r"î
lan
^
,aì
lCsO
I
eSO
I
NJM4558DX
2SC|74O
-4-
î\
Advertisement
