Technics SH-8075 EH User Manual

® How to remove the band level controj P.C.B.
if
2:
3;
Remove the front panel.
Remove the band level contro! knob. (The light guide
plate is removed with it.)
Remove the light shielding cloth. [Fig. 4]
_ Remove the 9 setscrews which secure the R or L
channel P.C.B. [Fig. 5}
. Remove the band level control P.C.B.
*Each control LED is inserted into the volume lever
with longer pin side down.
Setscrews af
switch P.C.B.
(4 pes.)
P.C.B. of teft ch. band
level contro!s
Light
guide plate
Knob
\
epe
Light
guide plate
Knob
2
insert with long
leg down,
Ss
Setscrews of rith ch. band fevei control P.C.B. {9 pes.)
Fig. 5
@ How to remove the switch P.C.B. and variable
equalizer P.C.B.
1. Remove the front panel.
2. Remove the 4 setscrews of switch P.C.B. [Fig. 5].
3. Pull out the switch P.C.B. fixing pin [Fig. 8].
4. Remove the 6-pin [terminals (43) ~ (48) ] and
7-pin [terminals (37) ~ (42) ] connectors from the
variable equalizer P.C.B. and then remove the switch
P.C.B. as in Fig. 6.
5. Check the P.C.B. as shown in Fig. 7.
Variable equalizer P.C.B.
Switch P.C.B.
connector
6-pin ;
~
as
jy
7-pin
connector
SS ACH
L
ua TRRD Woy
ass
ay
Power supply circuit
After repair, keep the
lead wire away from the
power supply circuit.
Fig. 8
s F
After repair a Button of power Push switch buttons Level control knobs
1.
Make
the
wiring
away
from
the
power
supply
switch
knob
bight
guide
circuit
as
in
Fig.
8.
plat
2.
Be
sure
to
fit
each
button
and
switch
in
correct
positions.
[Fig.
9]
.
3
.
Side
down
Side
down
Gate
hole
side
of
malding
;
should
be
down.
Fig. 9
m@ MODEL NO. SH-8065 BE DIFFERENT MODEL NO. SH-8075
Center
frequency
33
elements
(16
Hz
~
25
kHz,
1/3
octave}
Right
and
(No,
of
BPF
elements}
left, independent of each other.
Recording selector | “EQ position’ switch
“rec mode” switch
source
tape 1 (dubbing from tape 1 to 2}
tape 2 (dubbing fron tape 2 to 1)
source
tape {Playback}
Input selector
ot
Positive/negative characteristic Characteristic can be selected Not poss: bie
selection
with
the
switch.
(Selecting
switch
is
not
provided.}
Variable range selector +12 dB/+3 dB can be selected Not possible (+12 dB only)
(*) Variable equalizer selector Possible
{*} Band width control (Q)
Possible
: (0.7 ~ 7 continuously variable)
(*)
Center
frequency
control
of.
©
Possible
“] band level control
(*)
SH-8075
is
provided
with
variable
equalizer
circuit
so
that
the
center
frequency
(20
Hz
~
400
Hz)
end
its
band
width
other
than
the
other
band
levels
can
be
varied
by
variable
EQ
switch.
‘None
(6)

Technics SH-8075 EH Specifications

General

Brand	Technics
Model	SH-8075 EH
Category	Stereo Equalizer
Language	English