Realistic STA-7 - Page 11

Proceed
to the
next
section.
-11
-
Check BASS
(F
igure 7)
Action
at
TONE
COiITROL CURVE
.
IOOHz
+
BASS
t
tO Nxz
.+
TREBLE
,
+lo
a
;o
z
c
u
-ro
c
1
Figure
7
-)
AUDTO FiEOUENCY(Hz)
Check
Bass Control
circuit on TONE
CONTROL
Frequency
Response
does
not fall
within
a.10 r
2.5
dB.
Frequency Response
falls within
i
10
n
2.5 dB.
Check TREBLE
Action
at 10
kHz.
(Figure
7)
Check Treble
Control circuit
on TONE CONTROL P.C.B.
Frequency Response
does not
fall
within
i
10
r.2.5
dB.
Frequency
Response falls
within
-+.10
+.2.5
dB.
Check LOUDNESS
compensation
(Figure
8)
with Volume
set
for
-30
dB
from
rated
power.
+6
3
2
Figure
8
$*ou
1.
Check Loudness
circuit.
100
lK
10K
-------IAUOOFREOUENCY(HZ)
LOUOT\IESSGJRVE
Loudness
compensation
does
not fall
within
+6
r.
2.5
dB at
100
Hz
and
+4.5
-1
2.5 dB
at
10 kHz.
Loudness
compensation falls
within
+
6
r
2.5 dB
at 100 Hz
and
+4.5
i.2.5
dB
at 10
kHz.
roK
P.C.B.
REPAI R
REPAIR