Sansui AU-7700 Service Manual page 4

HAU
-77oo
2.
BLOCK DIAGRAM AND VALUE OF EACH
LEVEL
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Condition
of
Level Measuring
*Value
of each
level in
block
d
iagram was
measured bY
the followings.
"1.
MASTER
VOLUME
control
.
.
Maxim
u
m
2.
BASS,
MIDRANCE, TREBLE
&
BALANCE volu
me
controls
Center
3.
TONE
&
FILTER
switch
controls ..
TONE
&
FILTER
4.
lnput
PHONO-1,2
2mV
lkHz
Sine
Wave
AUX-'l,
2
90mV
lk{z
Sine
Wave
(output impedance of
600o
at an
aud
io
osci
I
lator)
s.
Output
.
.20V (50W)
BO
Note:
Each
voltage
value is
for
reference and
measured
by
a
VTVM. In some recorders, the
actual voltage
value
is in
minor difference
from the
reference value.
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