Electro-Voice E-V 1180, E-V 1159, E-V 1122 Electronic Service Manual

Effi76ice.

EI.ECTFICII\IICEi

SEFIVICE

MANUAL

Form

No.

1406

THIS SERVICE

FM STEREO
FM STEREO
STEREO

MANUAL

BECEIVER

TUNER

AMPLIFIER

ELEETFICl-VCllCEr

Gulton

A Subsidiary

ccclt

5OO

of

Buchanan,

St.,

COVERS

E-V

1159

E-V

1122

E-V

INE'

1ndLt517iss,

Mlchigan

ELECTRO.VOICE

1180

lnc'

49107

MODELS:

Litho

in u. s.

A,

INTRODUCTION

tt has

'youi

manual

been

manner.

problems

additional

need

service

This

*inO.

over-simplification.

it*p-Uv-tt"p

'of

all

*uv

vou-

SPECIFICATIONS

AMPLIFIER

(E-V

Output,

Power

IHF

Continuous

FrequeucY

and

Hum

---l

rxitiary

Magnetic

Channel

Power:

Musie

Sine

ResPonse:

Noise.

tnprt'

Phono

Separation:

lnnuts:

SensitivitY,

lnimt

Phono:

er-li-v

nu*

Controls

l18o):

irzzi,

iE-v

(rotarY)'

Volume

Balance
Selector

Bass
Treble

Outputs,

Speakers

Recorder

TaPe

Siereo

A*iop"on"t

5i*iio

was designed

as

kept

procedures are

All

Althaugh

questions,

and

guidance' Address

&E-V

1180

Wave:

lnput:

Total

Tstai

technician

the

with

possible without

as

brief

presented in a clear

tried

have

we

in special

to anticipate

instances

anv

SECTION

11221

30

watts

l0

11.5

d8,20-20,000

Better

Betrer

Mag

with

cllannel

Per

rated

dB

65

than

rated

dB below

50

than

rated

i,000

at

dB

40

Pirono-AuxiliarY

onloff

witu

P-uil/mono

Phono-Tuner-Auxiliary

4-16

of 22-dB

dB

22

of

ohms

on

at

Per

front

variation

variation

such

watts

into

8 oltms

Hz

outPut

below

output

output

4 mv

250

loo

switch

switch

50 Hz

at

kHz

10

channel

Panel

in

at

Hz

mv
mv

Technical

our

inquiries

The
any

easity

Data

to

punched to

are

sheets

production changes

added.

as uP'to'date

This

tE-v

Sensitivity:

Fruooun"u

-

'-a-----r

Hum
Tumng

Tuning

Drift:

Harmonic

Capture
Channel

SCA

Audio

StereolMono

Stereo'Indicator:

Antenna

Power
Dimensions,

Response:

Noise:

and

Range:

Indicator:

Distortion:

Ratio;

Separation:

Rejection:

Output

Input:

Requirements:

1180:

E-V

1159:

E-V

1122:

E-V

tti*it

(E'V 1159):

Switching:

Department'

fit

three-ring

a

additional

your

SECTION

E'V

specs.

Better

modulation

will

as

Possible.

TUNER

11S0&

IHF

of

Service

and
keep

at |AA%modulation

-

A11

Panel

of stereo

Tern:inals

GENERAL

110-120

binder

service

Electro-Voice

1159)

tl

d8,30-15,000

response

Actual

exceed

dBbeiow

55

than

for full

to 108

88

Zero center

Lessthan.A2%

than

Less

22

volt

.5

and

electronic

light

bloadcast

for 300

5"

and

indicates

Pull/nlono

ohm

volts. 50-60

157+"

h.,

4/a" 1t.,157+"

1t..157r"

41h"

so that

tips can

Service

uv,I$f

3

Hz

greatly

{igure.)

this

100%

quieting

megahertz

meter

l0O7o

17o at

modulation

2.s

kHz

I

dB at

40 dB

channel

Pet

quieting

full

automatic

presence^

regardless

switch

aotenna

FM

Hz AC

w" 8%"

w..$Yz"

w.,8%"

be

dB

of

d'

d.

d'

SERVICING

EOUIPMENT

TEST

FM signal

1.

kHz.

FM

2.

caiiuiaieo
Audio

3.

4. DCVTVM

Oscilloscope

5.

Harmonic

6.

STANDARD

2

generator,

Attenuator

Multiplex

nr

VTVM

Distortion

generator

livel

POWER

HARIVIONIC

(E-V

TEST

accurate

and

1'..22&

CONDITIONS:

PROCEDURE

i;v'

modulated

equivalent

or

88-108.MHz

tuning

'AnalYzer

to

down

(98

MHZ

modulation)'

OUTPUT

DISTORTION

E'V

1

.cirrier

AND

1180)

+

with

75

CONTROLS

TONE

BALANCE

SELECTOR

INPUT

SPEAKER

Terminate

1,

"

lnJr"iG

Simultaneously

2.

I".aiiei with

I""rirtulv

Connect

3.

input

1000

,Apply

4.

Ublurrnglontrol

wattsl.

TOTAL

5.

less.

E-V

The

"pu-"iiicationt

, .

LOAD

both

load

calibrated

lowdistortion

a

iacfs.

Hz'

AC

HARMONIC

and

1122

siren

amplifier

resistors,

perform the

resistor,

load

each

audio

generator output

Set

power

to

cloikwise

DISIORTION

1190

E'V

{ront

the

at

output,channels

minimum

watt

12

tollowing

conneit

and

VTVM

generator-to

audio

level

receiver

the

full

for

m?y.

!e

manuai'

this

of

tor both

the

H'D'

a

to

and

power

should

checked

CENTEHED

.,..AUX

oHMS

. .8

.

8-ohrn

into

rating'

channels'

leads

input

analvzer'

the

mV+

25O

carefullv

I

output

measure'l'37o

the

to

FLAT

non'

of an

"AUX"

1 dB @

advance

(10

volts

additional

ln

or

FM.MULTIPLEX

ALIGNMENT

permanent

1. Defeat

2. Tune

3.

4. Connect

5, Connect

6.

7. Adjust the

8. Adjust

9.

10. Tune

1

1

,

12.

the

on the l.F.

input.

assembly

Adiust with

Adjust the top slug

tuner-meter

generator

kHz deviation.

output or E-V
Tune

meter reading, NOTE;

alignment,

good

sensitivity

maximum output.

l.F.

in

well-balancd signal

Adiust

maiimum output,

the antenna,

tuning unit

setting at

Repeat steps 9 &
Remove AFC

pcb

receiver to the low

the

Adjust

with

FM

at 90

an audio

in the

additional signal

output

is improved.

bottom

the lop,

pcb

asserirbly

FM

tuning

the antenna

the signal

106 MHz.

MULTIPLEX

perlorm

and

Check

alignment

will

make

FM

ALIGNMENT

(E-V

1159

&

AFC action

a$sembly.

the AGC

respect

100 kSapot
reading

signal

1 180 tape

signal

level.

then

unit)

generator

interstage

for

ground!

"FM

proper

voltage at

to chassis

(1).

ratio

of

noise.

on

generator

MHz,3

W

VTVM and oscilloscope

output.

generator

lf

Signal

of the

slug

bottorn

ineluding slugs of

for

maximum

on oscilloscope.

coil T1

pointer

Dial

and

and

maximum

proper

for

1 0

Alignment"

MPX

E-V 1180)

grounding

by

end

FM

of

point

ground,

detector

the

to

antenna

R.F.40O Hz modulation

receiver at

on

the unit

level may be

level may be

ratio detector

of l.F.

slugs

transform€r

output consistent

in the

should

FM tuner

oscillator TR

output.

Dial

tracking and

with

band

"A"

+10.5

for

transformer

terminals. Set

the

to

MHz

90

is

completely

required to obtain a

reduced as

transformer

transformers

FM tuning unit

be setting at 9O

to 106

trimmers

pointer

best

MHz. Adiust

ALIGNMENT

necessary. lmproper

if

alignment

impossible.

point

no signal

l.F'

on

volts

for center

E-V
for

out

receiver

on the

(located

T2

with

in the FM

should

results.

"D"

pcb

DC.

t75

159

1

center

for

for

MHz.

FM

1.

the

On

generator

capacitor {3}

llF

Connect
STEREO

2. Adjust SCA coil L1

Bemove test equipment

3.

multiplex

generator

4. Connect

channel

from

the multiplex

the MPX
Modulate RIGHT

5.

channel.

4

until

& 5

pcb

MPX

to thejunction of the 18 k$l,resistor

an audio

on E-V 1180.)

g€nerator

level to 100 pV at 98 MHa.

an

output. Apply

pcb

Separation

no further improvement is

assembly,

at the

VTVM

for

a

to

oscilloscope

generator

asemb{y

for

channel

should be 25

connect a 67

input

of ths

to the base of

minimum output on VTVM.

connected

FM

the

and audio

channel

LEFT

and adjust coils

minimum output.

and

che6k minimum

Ql .

in

Step

antenna terminals,

VTVM

modulation

greater,

dB

or

obtained.

kHz

(20)

multiplex

(Mode

1,

Connect a

to the

T1

and T2 on

output

Repeat

{SCA}

and the

eircuit.

switch

right

(1007o1

on left

Steps

5

in

Set

of

L-

T

a

05C.

ANT,

be

TRllvt

IMME,?4

q_0

-i lYfRSf

ER

8soo8

G.

T I

TRTMM

GENERAL

PARTS

PARTS

LIST

PART NO. DESCRIPTION

GENERAL

lgorto

3215
43071

4329

77163

17 162

76477-TV
76229
77161-PK

77161.ND

77161-PJ

20676

20519

2010s

1713?

171 38

20915

27083
2182

77110

11161

776p3

2A928

2A827-AP

PARTS

Dial Spring

Meter-Tuning

Lamp
Lamp

Flywheel

Shaft*Flywheel

Bearihg-Dial
Bushing-Dial
Lens-Red
Lens*Blue
Lensi-Ambef

Fuse 1A 3AG {Slo-Blo}
Fuse 1Y.A

Strairi

Phono

lnsulator-Phono Sock€t

Fuse

Terminal
Terminal

(No.

49

Stereo)

(No.

47

Oiall

shaft

Shaft

Shafi

3AG {Output}

(Hiyeo)

Retief

(Cbnnector)

Socket

Block

Strip-Screw
Strip-Screw

Clamp-Capacitor

Jack

Phone

FM Antenna
Pushnut

Nut-Knurled Brass

(Rear)

{Front}

(4Tl

(3T)-

PART

No. DESCRIPTION

E.V 118O RECEIVER

15226

1651 1

A77164

77724.AM

77660-AM

A7717g-ED

77211-HV

A850]2

A77 17 4

2-1184

2781

85393
85010

8501 1

69021
20926
79008

E.V 1122 AMPLIFIER

1

5203

1

1651

77660-AM
A77180-ED

Tiansformer-Power
Cord-Power

Pointer

Dial

Knob-Tuning
Knob-Control

Panel

Front

Panel

Side

Assembly

Cabinet

Dial Lens

Terminal
Terminal Strip {5T)

Dial
Dial

Lampholder &

Spacer-Transformer

Lampholder
Meter Support

Transf ormer-Power

Cord-Power

Strip-Miniature

Drum Assembly

Eracket.

Socket &

Brackat

& Clip

Knob-Control

Front Panel

{2}

Pulley

(1

l

Assy.

3

PART NO.

DESCRIPTION

PART

No.

DESCRIPTION

77212-HU

A85073
27050
27036
77178

zGrr9

E.V 1159

15211

A17241

16/.12

77210-AM

7727o-AM

A77?34-ED
85r01
77212-HV

Panel

Side

Assy.

Cabinet

Terminal Strip
Terminal

I nsulator-Fishpaper

Lampholder

Strip

TUNER

Transformer-Powgr

Pointer

Dial
AC Line Cord

Knob

Tuning

-

Knob

Selector

-

Front Panel

Cabinet AssBmbly

Panel

Side

t3Tl

(5T)

(81t"1

A77235

20889
20s33
56089
27050
20797
85132
20920
77265

PACKING PARTS

96755
96754
533400
633644
53sSX)

Dial

Lens

Fuse

1/10A

Lampholder

Switch-Power

Terminal

Strain Relief

Dlal
Dial Drum

Spacer-Panel

carton

Carton

lnstruction

lnsruction

lnstruction

Strip

Bracket,

Assy.

(E-v

(E-V

Sheet
She6t

Sheet

(Slo-Blo)
Socket

(3T)

(Heyco)
Socket

1180)

1 159

&

{E-V
(E-V

(E"V

Pulley

&

E.V r

118O}

1159)

1 1221

Assy.

1221

4

2300MF

2500

ilF

POWER

J
4

5

6

7

8

s

+

I25 ttlF

-

16V,

SUPPLY

PC

BOARD

PART

42447

48149

85004

20862-AP

424oE

4657

&77

42443

43067

PARTS

NO.

LIST

DESCBIPTION

Gapacitor-E

Besistor-t50

Power

Eyalet

Capcitor-El€clrolytic

Resistor-l80

Resistor*18@

Capacitor-Electrolytic

Diode

1122&

Ery

ASSEMBLY

lectrolytic 26ff)

O:aw

Assy.-Complste

Supply

$ll(w

(SD-1)

1180

E-V

O}.w

{lox}

1fi)O

t o%l

{

{tox,

125

ltrlz6v

rf

16V

I

tfr

5V

/1