Sangean Ats-818 User manual

Ls

ATS-818

A

World

of

Listening

SANGEAN

AS

memo)

DIGITALTUNING.

Ee

ALEAND

MW

FW/SuiW

Bro

©

|ecvaie—

arm

SUZER

|]

warreny

|]

SLEEP

@)

[AUTO

scan]

PLL

SYNTHESIZED

worLbD

BAND

RECEIVER

The

SANGEAN

ATS-818

is

the

WORLD'S

ONLY

Portable

World

Band

Receiver

offering

more

features

and

performance

than

many

expensive

table

top

Short

Wave

Receivers.

PLU45|O-|&

(CO

lOlE|@

synneseeo

RADI

inectwven

||

memory

|{

‘ocx

||

uct

||

rime

Ser

|[OUAL

Time]

[FM

STEREO]

art

*

All

SW

Bands

from

120m

to

11m

_—_*

45

Memory

Presets

*

RF

Gain

Control

*

Radio/Buzzer

Clock

Alarm

*

AM

Wide/Narrow

Filter

*

Dual

Conversion

Receiver

*

BFO

for

Single

Side

Band

&

CW

*

Dual

Time

Display

for

Local

*

Signal

Strength

&

Battery

*

Continuous

AM

Coverage

and

UTC

Time

Indicator

from

150-29999KHz

plus

FM

87.5-

*

Adjustable

Sleep

Timer

*

Tone

Control

&

Safety

Lock

108MHz

*

Five

Tuning

Methods:

Direct

frequency

Input,

Auo

Scan,

Manual

Scan,

Memory

Recall,

Rotary

Dial

SPECIFICATIONS

]

FREQUENCY

2.300-2.495MH2(120m)

3.200-3.400(90m)

3.900-4000(75m)

4.750-5.060(60m)

5.950-6200MHz(49m)

7.100-7.300(4

1m)

9.500-9.900(3

1m)

11.650-12.050(25m)

|

413.600-13.800(21m)

15.100-15.600(19m) 17.550-17.900(16m)

21.450-21.850(13m)

|

25.670-26.100(11m)

SEMI-CONDUCTORS:

1

LSI,

12

IC’s,

8

FET's,

48

Trans.,

45

Diodes.

2

LED

|

OUTPUT

PWR:

800mW

|

SPKR:

4

inch,

4

ohm

BATTERIES:

4/1.5VDC

“D”

Size

Radio Power

&

3/1.5VDC

AA

Back-Up

Power

_|

ACCESSORIES:

AC

Adapt,

Ext.

Antenna

Adapt,

Shortwave

HandBook

2651

Troy

Avenue,

South

El

Monte,

CA

91733

AMERICA,

INC.

Tel:

(818)

579-1600

Fax:

(818)

579-6806

Service|\ianua

TS-818

CONTENTS

Specifications

Disassembly

Instructions

Block

Diagram

......

Alignment

Instructions

spear

Alignment

For

Clock

Time

Accuracy

..

Alignment

For

PLL

Frequency

.................05.

Alignment

For

AM

2nd

Local

OSC

Alignment

For

AM

2nd

IF

.........

Alignment

For

FM

IF

Alignment

For

AM

Sensitivity

...

Alignment

For

BFO..........26..

Alignment

For

FM

Sensitivity

Alignment

For

MPX

Alignment

For

Indication

Level

of

Battery

.

Alignment

For

Signal

Strength

Level

.....

Alignment

For

450kHz

Trap

.....

Alignment

For

FM

Station

Detection

Troubleshooting

Flow

Chart

Wiring

Diagram

Main

PCB

Chip

Side

View

Main

PCB

Top

View...........

Control

PCB

Chip

Side

View

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

Control

PCB

Top

View

....

Speen

Electrical

Parts

List

a

Semiconductor

Lead

Identifications

Exploded

View

.........

Mechanical

Parts

List..

IC

Circuit

Block

Diagram

...

ICs’

&

Transistors’

Voltage

List

ee

yO

SChemmatice-

Diagram

wasrseiceesccssacs

acces

eatce

cs

vonie

ds

irene

nsaeacennostasladvaNcancaue

tetutvevavcesceseysseneshnansbghronerssug-cotratemdenetee

SPECIFICATIONS

FM

TEST

ITEM

CONDITION

:

NOMINAL

LIMIT

UNIT

Tuning

Range

Mi

ef

te

OS

|

wae

Max

|

(1080

[20.15

|

MHz

_|

Intermediate

Freq.

10.7

SOMHz

i

Max.

Sens.

Usable

Sens.

(S/N

30dB)

Calibration

Dial

Audio

Fidelity

-3dB

(W/Pre-emphasis)

3dB

Limiting

(1mV)

Lowest

Battery Voltage

Vv

Max.

Output

Power

MRE

eal

A]

a

|

Output

Power

At

10%

T.H.

D.

98MHz

Alter.

Channel

Select.

100uV

98MHz

25

Bacal

Stereo

Indicator

Sens.

98MHz

24

|

Bp

|

Tuning

inaicator

Sens.

(2nd:

do)

|

sez

[|

24

ou]

98MHz

25

2

5a20

[eR

375

|

[Auto

Scanning

Stop

Seng.

0M

|

Ovenoaed

Capacity:

io:

is

es

OMB

i

a

|

OO

as

|

AM.

Suppression

(dB)

_——S*YCS

ee

CLEC

1

eee

eae

nnraae

Le

|)

ee

nn

aR

IS

Petty

Tred

[Tone

Aetion({0kHz)

|

a

ae

ee

ape

SIN

(225kHz

Dev)

|

OMe

|

80.

elena

Seed

geen

Supply

Voltage:

DCBV___ALO:

50m

TEST

ITEM

CONDITION

|

NOMINAL

|

LIMIT

|

_UNIT

Tuning

Range

Min:

S20

|

_

Max.

|:

1620/1710

+5

kHz

Intermediate

Freq.

seas

+1

kHz

Sa

i

ee

Cee

2

|

Max.

Sens.

1000kHz

Perea

oes

mt

|

Lil

58

dBu/m

56

dBulm

56

dByu/m

600kKHz

58

64

Usable

Sens.

(S/N

20dB)

62

dBu/m

1400kHz

56

62

dBy/m

£5

Dial

Calibration

NOONE

He

88

aps

paper

ese

So

AG

Avle

ORME

sc8

“7s

Ore

|

ee

|

[AGC

IROM:

Serene

aie

|

a

ees]

[Image

Rejections

a

aie

ee

a]

De

ee

ae

ee

Whistle

Modulation

(SmV/m)

epimeaiee

[is

een

Hom

Modolaboneismvy

=

5

A

AO

Bd

|

Tuning

Indicator

Sens.

(2nd.

dot)

|

1000KHz_

|

tS

Bm

|

Auto

Seanning

Stop.

Sens.

<=

9S

tooo

0

Balin

|

Tone

Acton:

(Gihiz)

-}

th

a

OOO

ee

aia

SIN

Ratio

(SMW

Se

poi

cr

Se

|

Current

Consumption

Pd

ae

ers

Output

Power

At

10%

T.H.O.

700

Overload

Capacity

(30%

Mod

10%

T.H.D.)

1000kHz

Bandwidth

6dB

(Wide)

Bandwidth

6dB

(Narrow

Supply

Voltage:

DC

6V

*

R.0.:

50mW

dBu/m

kHz

2.507

kHz

Modulation:

1kHz

30%

Mod.

>

2

o

TEST

ITEM

Tuning

Range

Intermediate

Freq.

Max.

Sens.

Usable

Sens.

(S/N

20dB)

Dial

Calibration

Audio

Fidelity

(-6dB)

A.C.

A.

(+

10kHz)

T.H.

D.

(60

dBp)

-

A.G.C.

F.O.M.

{86

dBu)

Image

Rejection

S/N

Ratio

(60

dBy)

SSB/CW

Sens.

(S/IN=10dB

Supply

Voltage:

DC

6V

i

CONDITION

NOMINAL

LIMIT

Min.

1621/1711

+5

2300kHz

15900kHz

25600kHz

15100kHz

21

F/3

IF

x

ae

st re

Nh

oo

a

@

ho

én]

on

1+]

Ft

9

°

alo

N

o

|

b

N

15100kHz

|

£

15100kHz

-

R.0..

50mW

Load:

4

ohm

Modulation:

1kHz

30%

Mod.

LW

TEST

ITEM

CONDITION

NOMINAL

LIMIT

UNIT

eee

ee

aes

ee

eee

ee

Tuning

Range

[ae

i

Ist.lF

55845

Intermediate

Freq.

;

PAG

IE

450

:

s

|

[68

|

aan

|

[66

|

Balen

|

Ree

ae

Se

ee

a

ae

TT

k

+

Hz

+

Hz

64

74

72

70

dBuim

kee

*5

Hz

Vv

70

72

Max.

Sens.

Usable

Sens.

(S/N

20dB)

Dial

Calibration

218kHzZ

2aikHeZ

Lowest

Battery

Voltage

218kHz

25

4.2

ERS

Ea

es

eee

Eee

ee

BS

Eee

ss

Se

dee

SIN

Ratio

(5mV

218kHz

Po

Bae

Pe ae

|

Note

:

Nominal

specs

represent

the

design

specs.

All

units

should

be

able

to

approximate

these-some

will

exceed

and

some

may

drop

slightly

below

these

specs.

Limit

specs

represent

the

absolute

worst

condition

that

still

might

be

considered

acceptabfe

;

in

no

case

should

a

unit

fall

to

meet

limit

specs.

DISASSEMBLY

INSTRUCTIONS

TO

REMOVE

BACK

COVER

a.

Unscrew

5

screws

A.

b.

Separate

front

and

back

cabinet.

Cc

TO

REMOVE

MAIN

PCB

a.

Remove

3

screws

C.

eo

c

b.

Remove

Main

PCB

and

1

screw

DO.

[|

i

D

=

ES

TO

REMOVE

CONTROL

PCB

a.

Remove

5

screws

E.

b.

Remove

Control

PCB.

OLVIND

3a

u

AMBLLYE

|

dN-nxova

+

‘av

W3A37

SEOSEO'SUAS-ENAS)

eos

adoLvINd

se

“ANOS

@/¥

RRR

93I-F51

tora

JOLS

HW.

‘GNI

O3N3LS

|

B3xv34s

31n4

S

6-|

43Zz08

nS

sora

SAHK__|

a

TS

yea

Baa

aines

faa

TOYANGD_NOILINN4/A3x}—\

0roI

ro}

91¥d-S0¥0'904S-E0%S

C4

7

ZHHPOEYET'S

ran)

xinoa

(1,

38

rorx

HE]

SoA

2roTro)

1@)

7O¥LNOI

300N

—

209S

m

SNIHOLIAS|

Leq’ezd

920-£20

“L30/‘dHY

dT

W4

‘L30/3990/‘dH¥

41

HY

249731

ALIGNMENT

INSTRUCTIONS

Note:

(1)

All

test

points

are

shown

on

schematic

diagram,

(2)

Load

in

fresh

batteries

before

any

alignment

procedures.

(1)

ALIGNMENT

FOR

CLOCK

TIME

ACCURACY

a.

Required

Instrument

Frequency

Counter

b.

Alignment

Procedure

[

Adjustment

|

Procedure

(1)

Turn

the

radio

to

SLEEP

ON

mode.

(2)

Set

the

SAFETY

switch

upward

to

electrically

lock

all

push

buttons.

(3)

Remove

the

batteries

from

the

RADIO

BATTERY

compartment.

The

monitor

TIME

BASE

signal

starts

functioning.

(4)

Connect

a

frequency

counter

to

TP

15.

(5)

Adjust

TC401

to

reach

a

reading

524288

+

4Hz

(

=

7.6PPM

or

+

20sec/month)

on

counter,

c.

Instrument

Connection

TC401

Freq.

Counter

Test

Point

Freq.

Counter

Sangean ATS-818 User manual

Popular Receiver manuals by other brands