Teac T-x110 User manual

TEAC.

F-N

ESO

AAMt+OA4

Soeren

beewe

SERVICE

MANUAL

T-X110

AM/FM

Stereo

Tuner

CAUTION

A

Parts

marked

with

this

Sign

are

safety

critical

components.

They

must

always

be

replaced

with

identical

components—

refer

to

the

appropriate

parts

list

and

ensure

exact

replace-

|

ment,

NOTE:

As

regards

the

resistors

and

capacitors,

refer

to

the

circuit

diagrams

and

the

PCB

ass'y

drawings

included

in

this

brochure.

T-X110

|

(FM

Tuner

Section

(1HF))

Tuning

Range

Usable

Sensitivity

50

dB

Quieting

Sensitivity

AM

Suppression

Ratio

(1

kHz)

Capture

Ratio

Channel

Selectivity

Image

Rejection

Harmonic

Distortion

(1

kHz)

Stereo

Separation

(1

kHz)

Frequency

Response

Signal-to-Noise

Ratio

(AM

Tuner

Section)

Tuning

Range

Usuable

Sensitivity

Selectivity

Image

Rejection

Harmonic

Distortion

Signal-to-Noise

Ratio

(General)

Power

Requirements

Power

Consumption

Dimensions

(WxHxD)

Weight

(net)

1

SPECIFICATIONS

87.5

MHz

—

108.00

MHz

(100

kHz

steps,

USA/Canada)

(50

kHz

steps,

Europe/UK/Australia/General

Export)

Mono:

11.2

dBf

Mono:

23.3

dBf/Stereo:

39.2

dBf

60

dB

1.5

dB

65

dB

+400

kHz

60

dB

(at

98

MHz)

Mono:

0.2%/Stereo:

0.5%

45

dB

20

Hz

—

15

kHz

(+1/—2

dB)

Mono:

78

dB/Stereo:

72

dB

520

kHz

—

1710

kHz

(10

kHz

steps,

USA/Canada)

522

kHz

—

1611

kHz

(9

kHz

steps,

Europe/UK/Australia/General

Export)

500

pV/m

32

dB

+9

kHz

46

dB

(at

1000

kHz)

0.8%

45

dB

115/230

V

AC,

50/60

Hz

(General

Export)

120

V

AC,

60

Hz

(USA/Canada)

220

V

AC,

50

Hz

(Europe)

240

V

AC,

50

Hz

(UK/Australia)

7W

435

x

83

x

225

mm

(17-1/8"

x

3-1/4"

x

8-7/8")

2.8

kg

(6.19

Ibs)

Standard

Accessories

AM

Loop

Antenna,

FM

T-shaped

Antenna,

Matching

Transformer

(for

300

ohms

to

75

ohms

conversion,

Europe

models

only),

RCA

pin-plug

cord

*

Improvements

may

result

in

specification

or

feature

changing

without

notice.

|

T-ANIO

2

ALIGNMENT

PROCEDURES

1.

AM

Tuning

Voltage

Adjustment

(Input)

No

signal.

1.

Adjust

trimmer

condenser

TC21

to

near

the

center

of

its

variable

range.

.

Connect

the

Digital

Voltage

Meter

input

to

TP21.

.

Set

the

receiver

frequency

to

520kHz.

.

Adjust

L23

for

a

Digital

Voltage

Meter

reading

of

1V.

.

Set

the

receiver

frequency

to

1610kHz.

.

Verify

that

the

Digital

Voltage

Meter

reads

between

7

and

BV.

Om

pW

PP

2.

AM

IFT

Adjustment

(Input)

Set

the

SSG

as

follows:

Frequency

..............6.

seacaddetmassseds

edu

sdensnatnoans

1000kHz

Modulation

...............

degneeles

Sveevsaaves

AM

30%.

400Hz

1.

Connect

the

Level

Meter

input

to

the

RCA

Jack.

2.

Set

the

receiver

frequency

to

1O00KHz.

3.

Set

the

SSG

output

level

to

the

range

in

which

the

receiver

output

level

and

SSG

output

level

vary

linearly.

(The

range

where

the

AGC

is

not

effective.)

4.

Adjust

T42

for

a

maximum

reading

on

the

Level

Meter.

3.

AM

Tracking

Adjustment

(Input)

Set

the

SSG

as

follows:

MOGUIBHON

acsriicce

ett

vaetacccies

AM

30%.

400Hz

.

Set

the

receiver

frequency

to

600kHz.

.

Connect

the

Level

Meter

input

to

the

RCA

Jack.

.

Set

the

SSG

output

level

so

that

the

receiver

output

level

and

SSG

output

level

vary

linearly.

.

Adjust

L22

for

a

maximum

reading

on

the

Level

Meter.

.

Set

the

receiver

frequency

to

1400kHz.

.

Adjust

TC21

for

a

maximum

reading

on

the

Level

Meter.

.

Repeat

step

1

through

6.

Qh

—

NOU

4.

AM

Auto-Scan

Stop-Level

Adjustment

(Input)

Set

the

SSG

as

follows:

UID

UUIEVEl)

4siiscecectcicedecavecsetseu

dee

60dBu/m

MGOGUIANON

iesercssssecceccusersesvo

sors

diees

AM

30%.

400HZz

1.

Set

the

receiver

frequency

to

T000kHz.

2.

Adjust

SVR42

to

the

point

at

which

the

Tuned

Indicator

light

comes

on.

5.

FM

Tuning-Voltage

and

Tracking

Adjustment

The

FM

front

end

has

already

been

adjusted.

And

requires

no

further

adjustment.

6.

FM

IFT

Adjustment

(Input)

Set

the

SSG

as

follows:

CUNSUT

LEVEN!

sierra

cd

cca

honcueterecsananeee

des

0

to

5dBu

PIEGUGRCY:

..cieicsasistdevigieul

auttinnd

sepia

en

98MHz

Modulation

........000000000...

FM

75kHz

deviation,

1kHz.

1.

Set

the

receiver

frequency

to

98MHz.

2.

Connect

the

Level

Meter

input

to

the

RCA

Jack.

3.

Adjust

the

IFT

on

the

FM

Front

End

for

a

maximum

reading

on

the

Level

Meter.

7.

FM

Detector

Adjustment

(Input)

Set

the

SSG

as

follows:

OUIBUL

ICV

Gl

ives

ceaiatiavnicininametranes

0

to

60dBu

PLOGUCIICY

|

ioccka

cis

ct

Boe

seatnd

ngn

ease

east

ontts

98MHz

Modulation

...............00

FM

75kHz

deviation,

1kHz.

1.

Connect

the

Digital

Voltage

Meter

input

to

TP41.

2.

Set

the

receiver

frequency

to

98MHz.

3.

Adjust

T41

for

a

Digital

Voltage

Meter

reading

of

within

i

1M,

8.

FM

Auto-Scan

Stop-Level

Adjustment

(Input)

Set

the

SSG

as

follows:

OUTDUMIEVEL

scccicnacsheacteccmieubienihs

260Bu

FICQUCNICY.

seiciainuioncanaie

na

oued

ee

eeieen:

98MHz

Modulation

.....000..

FM

75kHz

deviation,

1kHz.

1.

Set

the

receiver

frequency

to

98MHz.

2.

Adjust

SVR41

to

the

position

at

which

the

Tuned

Indicator

light

comes

on.

9.

Separation

Adjustment

(Input)

Set

the

SSG

as

follows:

QUTBUT

EVE!

sacrcnistssisissicocdscaecentd

sereeueiet

2hy

60dBu

PROCGUCICY

shuns

sheecans

ak

a

ckentSen

ba

uses

98MHz

MOGUIAION:

«<ic.tccciees

Senet

Main

67.5kHz

deviation.

Pilot

7.5kHz

deviation.

.

Set

the

FM

Mono

Switch

to

Stereo.

.

Connect

the

Level

Meter

input

to

the

RCA

Jack.

.

Set

the

stereo

modulater

for

a

R-ch

signal

output.

.

Adjust

SVR71

for

a

maximum

reading

of

the

L-ch

signal

on

the

Level

Meter.

Set

the

stereo

modulateer

for

an

L-ch

signal

output.

hmWN

—

-

6.

Verify

that

the

R-ch

singnal

reading

on

the

Level

Meter

is

about

the

same

as

that

of

step

4.

TUNER

&

CONTROL

PCB

FM

Frontend

“ALU

3

BLOCK

DIAGRAM

STEREO

IND.

FM

FRONT

END

UNIT

rl

300

AM/FM

TF

AMP

O

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Sakon

Q92)

7T5R

AM

AMP

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IND.

=

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FREQUENCY

DISPLAY

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|

4

EXPLODED

VIEW

AND

PARTS

LIST

NOTE

*1:

Except

(GE)-model

*2

:

(GE)-model

only

*3.:

(E,

UK)-models

only

EXPLODED

VIEW

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REF.

NO.

PARTS

NO.

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|

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INCLUDED

ACCESORIES

DESCRI

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FRONT

PANEL

FRONT

BASE

DISPLAY

GLASS

TACT

BUTTON,

5

TACT

BUTTON,

5

TACT

BUTTON

TACT

BUTTON

LED

LENS

CABINET

REAR

PANEL

[C]

REAR

PANEL

[EE]

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PANEL

[UK]

REAR

PANEL

{GE}

BOTTOM

CHASSIS

POWER

BUTTON

B

TEAC

EMBLEM

FOOT

ASSY

LED

SPACER

STUD

COVER,

INSULATION

[£,UK]

TAP

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TBB+26X08-~Y

TAP

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TBB+26X08-B

[GE]

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TPPWO7+26X08-Y

TAP

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TAP

SCREW

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TAP

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TSB+30X08-Y

TAP

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TAP

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TAP

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[£,UK}

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[E]

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TRANSFORMER

{UK}

POWER

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[GE]

LOOP

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REF.

NO.

PARTS

NO.

DESCRI

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*9A01842100

OWNER'S

MANUAL

(M)

{T-X110]

*9A01525200

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*9A01641800

RCA

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ASSY

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marked

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—

{C}:CANADA

(E}:

EUROPE

(UK]:U.K.

Parts

marked

with

*require

longer

delivery

time.

|

I“ALTIU

MAIN

PCB

ASSY

MAIN

PCB

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NO.

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NO.

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EXPORT

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marked

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tonger

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time.

11

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T-X110

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INSTRUCTIONS

FOR

SERVICE

PERSONNEL

BEFORE

RETURNING

APPLIANCE

TO

THE

CUSTOMER,

MAKE

LEAKAGE-

CURRENT

OR

RESISTANCE

MEASUREMENTS

TO

DETERMINE

THAT

EXPOSED

PARTS

ARE

ACCEPTABLY

INSULATED

FROM

THE

SUPPLY

CIRCUIT.

phe

PRIN

We

Oe

Te

PR Ye

me

ee

me

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rere

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man

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ene

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2

ror

£3

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|

haa

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5

‘

a

NOTE

1.

All

resistors

are

1/4

watts

or

1/6

wetts

3%

Resistor

velues

ere

in

onas.

(K=1000

ofas/ma1

000k

ohas)

2.

All

capacitor

velues

ere

in:

aicroferads.

ipepicofserade)

3,

Each

O.C

voltege

snows

the

mine)

veluee

in

volte

no

input

signal.

4.

is

Sefety

Part,

Use

only

replacement

parts

recoasaended

by

the

manufactuerer.

S$.

FA:

Fleae

prot

resistor

CAUTION

Before

returning

the

unit

to

the

customer

make

sure

you

make

either

(1)

8

leakses

current

check

or

(2)

@

line

to

chassis

resistance

check,

If

tne

resistance

from

chaseis

to

either

side

of

the

power

cord

is

lese

than

S00k

ohms

the

unit

is

defective

WARNING

DO

NOT

return

tne

unit

to

the

customer

unit

the

problesa

is

located

end

corrected

|

ans209

|

28C1815-6A

BL

0071~074

1N4148

LO71i

eee

oe

eee

A087

Q071

100.

}

CANADA

PS-784B

&

aci20V/60Hz

U.K

HED

PS-7846

BLK

AED

YE

ac2aovssoHe

WIT

YE

A

151

NPT-2615

GENERAL

EXPORT

a&

AC

315

€9230V/50H2

PSL-808

anda

sreaeavsenasd

T-X110

AM/FM

Stereo

Tuner

4st

Issue;

January

1990

i

:

i

bi

$

i

:

4

TEAC

SCHEMATIC

DIAGRAM

T-X110

PFD

FER

ETI

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POT

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Hy

rn

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tee

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aw

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SFE10.7MS3G

FEOO4

FE407-G651

(GQ).

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NOTE

2.

All

resistors

are

i/4

watte

or

1/6

wetts

SX

cosi

10725

TO4

CFO41

AOS?

10056

SFZ4S50JL3

1.5k

(3)

30k

(k#=1000

ohme/Me1000k

ohae)

(p=picofereds)

833°

@045

3.

Each

O.C

voitege

showe

the

Q

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4.

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Safety

Pert.

Use

only

by

the

eanufaectuerer,

coo3

S.

FR:Fleme

proof

resistor

4.77/25

0.47750

CAUTION

Before

returning

the

unit

to

the

customer

make

sure

you

make

either

(1)

@

leakage

resistance

check.

If

the

of

the

power

cord

is

lees

then

Q043,

045

28C1815-GA.

BL

Q044

2SK361-0.

E

corrected

Ic2o02

NJM2094S

Q091

RN2209

@072~073.

092.

091

28C1615-GA.

BL

0071~074

1N4148

Lo71

Q@1714

[Ami

2v]

Q@072

goaa

100

EUROPE

175

0191~194

SLA-340C3F-N.

P

AED

PS-7848

R204

B28“

0192

AC220V/30H2z

NMPT-2615

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220k

Qi21.

123

aisi

2$C1615-G6R.

BL

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|

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perce

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be

oe

we

er

te

re

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re

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we

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tee

te

ve

we

te

ene

te

we

er

teen

ete

te

re

etree

Resistor

velues

ere

in

ohae,

SO0k

ohms

the

unit

is

defective

|

2.

All

capacitor

velues

ere

in

smicrofereds,

mine]

values

in

volts

no

input

signel,.

current

check

or

(2)

a

line

to

cheseis

resistence

from

chassis

toeitnher

side

WARNING

DO

NOT

return

the

unit

to

the

customer

unit

the

Prodles

is

loceted

and

he

T-X110

©

AM/FM

Stereo

Tuner

1st

Issuse;

January

1990

Teac T-X110 User manual

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