Electro-Voice E-V 1180 - Specifications

INTRODUCTION
This
service
manual
was designed
with
the
technician
in
*inO.
tt has
been
kept
as
brief
as
possible without
over-simplification.
All
procedures are
presented in
a
clear
it*p-Uv-tt"p
manner.
Althaugh
we
have
tried
to anticipate
all
'of
'youi
problems
and
questions,
in special
instances
vou-
*uv
need
additional
guidance' Address
anv
such
SPECIFICATIONS
inquiries
to
our
Technical
Service
Department'
The
sheets
are
punched to
fit
a
three-ring
binder
so that
any
production changes
and
additional
service
tips can
be
easity
added.
This
will
keep
your
Electro-Voice
Service
Data
as uP'to'date
as
Possible.
TUNER
SECTION
tE-v
11S0&
E'V
1159)
Sensitivity:
3
uv,I$f
Fruooun"u
Response:
tl
d8,30-15,000
Hz
-
'-a-----r
tti*it
of
IHF
specs.
Actual
response
greatly
exceed
this
{igure.)
AMPLIFIER
SECTION
(E-V
1180
&E-V
11221
Power
Output,
IHF
Musie
Power:
Continuous
Sine
Wave:
FrequeucY
ResPonse:
30
watts
l0
watts
Per
cllannel
into
8 oltms
11.5
d8,20-20,000
Hz
at
rated
outPut
Hum
and
Noise:
Tumng
Range:
Tuning
Indicator:
Drift:
Harmonic
Distortion:
Power
Requirements:
Dimensions,
E-V
1180:
E-V
1159:
E-V
1122:
Better
than
55
dBbeiow
100%
modulation
for full
quieting
88
to 108
megahertz
Zero center
meter
Lessthan.A2%
Less
than
17o at
l0O7o
modulation
2.s
dB
22
dB at
I
kHz
40 dB
GENERAL
110-120
volts. 50-60
Hz AC
5"
h.,
157+"
w" 8%"
d'
4/a" 1t.,157+"
w..$Yz"
d.
41h"
1t..157r"
w.,8%"
d'
Hum
and
Noise.
---l
rxitiary
tnprt'
Better
than
65
dB
below
rated
output
Magnetic
Phono
lnput:
Betrer
than
50
dB below
rated
output
Channel
Separation:
40
dB
at
i,000
Hz
lnnuts:
Mag
Pirono-AuxiliarY
lnimt
SensitivitY,
4 mv
Phono:
er-li-v
l18o):
250
mv
nu*
iE-v
irzzi,
loo
mv
Controls
(rotarY)'
Volume
witu
onloff
switch
Balance
with
P-uil/mono
switch
Selector
Phono-Tuner-Auxiliary
Bass
Total
variation
of 22-dB
at
50 Hz
Treble
Tstai
variation
of
22
dB
at
10
kHz
Outputs,
Speakers
4-16
ohms
Per
channel
Siereo
TaPe
Recorder
5i*iio
A*iop"on"t
on
front
Panel
Capture
Ratio;
Channel
Separation:
SCA
Rejection:
Audio
Output
(E'V 1159):
.5
volt
Pet
channel
at |AA%modulation
and
full
quieting
StereolMono
Switching:
A11
electronic
and
automatic
Stereo'Indicator:
-
Panel
light
indicates
presence^
of stereo
bloadcast
regardless
of
Pull/nlono
switch
Antenna
Input:
Tern:inals
for 300
ohm
FM
aotenna
SERVICING
PROCEDURE
TEST
EOUIPMENT
1.
FM signal
generator,
tuning
88-108.MHz
modulated
+
75
kHz.
Attenuator
accurate
down
to
1
i;v'
2.
FM
Multiplex
generator
(98
MHZ
.cirrier
or
equivalent
with
caiiuiaieo
nr
livel
and
modulation)'
3.
Audio
VTVM
4. DCVTVM
5.
Oscilloscope
6.
Harmonic
Distortion
'AnalYzer
POWER
OUTPUT
AND
HARIVIONIC
DISTORTION
(E-V
1'..22&
E'V
1180)
STANDARD
TEST
CONDITIONS:
2
TONE
CONTROLS
FLAT
CENTEHED
BALANCE
, .
INPUT
SELECTOR
SPEAKER
LOAD
.,..AUX
.
. .8
oHMS
1,
Terminate
both
amplifier
output,channels
into
8-ohrn
non'
"
lnJr"iG
load
resistors,
12
watt
minimum
rating'
2.
Simultaneously
perform the
tollowing
tor both
channels'
ln
I".aiiei with
each
load
resistor,
conneit
the
input
leads
of an
I""rirtulv
calibrated
audio
VTVM
and
a
H'D'
analvzer'
3.
Connect
a
lowdistortion
audio
generator-to
the
"AUX"
input
iacfs.
Set
generator output
level
to
25O
mV+
1 dB @
1000
Hz'
4.
,Apply
AC
power
to
the
receiver
and
carefullv
advance
Ublurrnglontrol
cloikwise
for
full
power
output
I
volts
(10
wattsl.
5.
TOTAL
HARMONIC
DISIORTION
should
measure'l'37o
or
less.
The
E-V
1122
and
E'V
1190
m?y.
!e
checked
to
the
additional
"pu-"iiicationt
siren
at
the
{ront
of
this
manuai'