Sharp GF-4545H Manuale utente

SHARP

SERVICE

MANUAL

Type:

Power

source:

Speakers:

Output

Power:

(DIN

45

324)

Semiconductors:

Dimensions:

Weight:

Input

terminals:

ATSM881127RCS

GF

-4545H

GF

-4545E

In

the

interests

of

user-safety

the

set

should

be

restored

to

its

original

condition

and

only

parts

identical

to

those

specified

be

used.

SPECIFICATIONS

Portable

stereophonic

cassette

tape

recorder

with

FM/MW/LW

3-band

radio

AC

IOV

SS

120V

220

240.

50/60Hz

D.C.

Internal

(Batteries):

(six

UM/SUM-1

or

R20)

(GF-4545H)

A.C.

240V,

50/60Hz

D.C.

OV

(six

HP2)

(GF-4545E)

10cm

Woofer

x

2

:

Horn

type

Tweeter

x

2

MPO

4000mW

(2000mW

+

2000mW)

on

A.C.

RMS

3200mW

(1600mW

+

1600mW)

on

D.C.

6-IC,

4-Transistor,

17-Diode,

2-LED

(Light

Emitting

Diode)

Width;

380mm

(15”)

Depth;

94mm

(3-3/4'’)

Height;

194mm

(7-3/4")

2./Kg

(5.9

lbs)

without

batteries

External

microphone

Jacks

(Left

and

Right)

Output

terminals:

Input/Output

terminals:

Other

terminals:

External

speaker

jacks

(Left

and

Right)

Headphones

jack

Record/Playback

socket

(DIN)

AC

input

socket

TAPE

RECORDER

SECTION

Type:

Tape:

Tape

speed:

Frequency

response:

Recording

system:

Erasing

system:

Wow

and

flutter:

Signal

to

noise

ratio:

RADIO

SECTION

Frequency

range:

Intermediate

frequency:

4-track

stereo

cassette

tape

recorder

Philips

type

compact

cassette

tape

4.8

cm/sec.

50

~

10,000Hz

AC

bias

AC

erasing

0.3%

(DIN

45

511)

45dB

PM?

80

106M

Z

MW;

520

~

1,620kHz

LV.

GhOO

=

ZOOKrZ

FM;

10.7MHz

MW/LW;

455kHz

(GF-4545H)

MW/LW;

465kHz

(GF-4545E)

Specitications

are

subject

to

change

without

prior

notice.

SHARP

CORPORATION

OSAKA,

JAPAN

GF-4545H

GF-4545E

FOR

A

COMPLETE

DESCRIPTION

OF

THE

OPERATION

OF

THIS

UNIT,

PLEASE

REFER

TO

THE

OPERATION

MANUAL.

NAMES

OF

PARTS

ap

ia

ca

4

<_—

hen

a!

2625

PHOTO:

GF-4545H

Figure

2—1

Figure

2—2

1.

Built-in

microphone

(Left

channel)

15.

Build-in

microphone

(Right

channel)

2.

FM

stereo

indicator

16.

Telescopic

rod

antenna

3.

Recording/Battery

condition

indicator

17.

External

microphone

jack

(Left

channel)

4.

Volume

control

18.

External

microphone

jack

(Right

channel)

5.

Tone

control

19.

Record/Playback

(DIN)

socket

6.

Balance

control

20.

Headphones

jack

7.

Stop/Eject

button

21.

Monitor

on/off

switch

8.

Play

button

22.

Beat

cancel

switch

9.

Fast

forward

button

23.

AC

input

socket

10.

Rewind

button

24.

External

speaker

jack

(Left

channel)

11.

Record

button

25.

External

speaker

jack

(Right

channel)

12.

Function

selector

switch

26.

Voltage

selector

switch

(GF-4545H

only)

13.

Band

selector

switch

2/7,

Battery

compartment

lid

14.

Tuning

control

DISASSEMBLY

(PHOTO:

GF-4545H)

Note:

Prior

to

disassembly,

never

forget

to

remove

the

AC

supply

cord

from

a

wall

outlet.

A.

FRONT

CABINET

REMOVAL

(Refer

to

Figures

2-3

and

2-4)

1.

Remove

the

battery

compartment

lid

and

take

out

six

batteries.

2.

Remove

six

screws

(A)

retaining

the

back

cabinet

and

lightly

open

the

front

cabinet.

3.

Remove

two

sockets

from

the

main

P.W.

Board.

4.

Then

the

front

cabinet

can

be

removed.

B.

MECHANISM

BLOCK

REMOVAL

(Refer

to

Figure

2-4)

Figure

2—3

1.

Unsolder

the

lead

wires

connected

to

the

earth

terminal

(TP5)

©).

2.

Remove

four

tips,

two

screws,

the

sockets

and

the

nylon

band

;

3.

Then

the

mechanism

block

can

be

removed.

.

MAIN

P.W.

BOARD

REMOVAL

(Refer

to

Figure

2-4)

.

Remove

three

control

knobs

and

tuning

knob

.

Remove

six

screws

and

a

tip

.

Then

the

main

P.W.

Board

can

be

removed.

WN

-Oo

Figure

2—4

MECHANICAL

ADJUSTMENT

=

FLYWHEEL

THRUST

CLEARANCE

ADJUSTMENT

(Refer

to

Figure

3-1)

eer

THRUST

ADJUST

WASHERS

1.

In

adjusting

and

assembling,

increase

or

decrease

the

0.3mm

a

number

of

thrust

adjust

washers

so

that

the

thrust

gap

Is

a

i:

maintained

at

0.1mm

~

0.3mm.

os

eae

|

Rea

| |

FLYWHEEL

JE

Figure

3—1

®

PINCH

ROLLER

PRESSURE

ADJUSTMENT

(Refer

to

Figure

3-2)

1.

Set

the

unit

in

play

mode.

2.

Push

the

point

(AY

with

a

tension

gauge

(0

gr.

to

1000

gr.)

to

make

the

pinch

roller

apart

from

the

capstan.

TENSION

GAUGE

(0

~

1000g)

Then,

check

that

the

tension

gauge

will

read

350

gr.

to

550

gr.

when

the

pinch

roller

stops

to

rotate.

3.

As

a

result

of

the

check

in

the

step

2

above,

if

the

reading

is

found

outside

the

range

of

350

gr.

to

550

gr.,

adjust

the

spring

of

pinch

roller

by

bending

it

or

replace.

PINCH

HOLLER

PINCH

ROLLER

SPRING

Figure

3—2

TORQUE

CHECK

AT

PLAY,

FAST

FORWARD

AND

REWIND

MODES

Put

a

torque

meter

cassette

in

the

cassette

compartment

of

the

set,

and

see

that

the

measured

torque

in

each

mode

Is

normal

as

follows.

Torque

meter

cassette

Measured

torque

Play

back

TW-2111

30

~

70

gram-cm

-

Fast-

forward

Rewind

TW-2231

70

~

140

gram-cm

TW-2231

70

~

140

gram-cm

TW-2111

TW-2231

Figure

3-3

="

AUTO

STOP

ADJUSTMENT

(Refer

to

Figure

3-4)

1.

Make

sure

that

the

auto

stop

mechanism

acts

rightly

at

the

tape

end,

2.

If

not,

adjust

the

stroke

by

bending

the

end

of

auto

stop

TAKE-UP

TURNTABLE

lever.

AUTO

STOP

ARM

dahlia

mH

oS,

pease

a

saree

gs a)

com.

oti

ek

Ta

1.

Connect

load

resistors

(4

ohm)

to

the

external

speaker

ELECTRICAL

MEASUREMENT

*

This

unit

operates

on

DC

9V.

Check

that

the

power

supply

is

exactly

9V

before

measurement.

Set

the

function

selector

switch

(SW2)

to

‘tape’

position.

*

#

RECORD/PLAYBACK

HEAD

AZIMUTH

ADJUSTMENT

(Refer

to

Figure

4-1)

WW

jacks

(J202,

J302)

and

connect

outputs

of

both

right

and

left

channels

to

the

vertical

and

horizontal

input

terminals

of

oscilloscope.

AC

V.T.V.M.

EXT

SP

(J302)

PLAYBACK

MODE

TEST

TAPE

MTT

—

114

(J202)

Figure

4—1

®

RECORD

AMPLIFIER

SENSITIVITY

CHECK

a:

(Refer

to

Figure

4-2)

1.

Connect

4

ohm

(2W,

5%)

dummy

load

resistors

to

the

3.

external

speaker

jacks

(J202,

J302)

and

connect

V.T.V.M.

4.

across

the

load.

EXT.

MICROPHONE

JACK

(J201,

J301)

SIGNAL

GENERATOR

ATTENUATOR

RECORD

MODE

_

Load

the

test

tape

(MTT-114,

10kKHz,

—10dB

recorded).

.

Place

the

unit

in

play

mode.

.

Adjust

the

head

azimuth

adjusting

screw

so

that

Lissajou’s

waveform

attains

the

maximum

and

the

same

phase

In

right

and

left.

OSCILLOSCOPE

Connect

signal

generator

for

1kHz,

—63dB

(OdB

=

1V)

to

the

external

microphone

jacks

(J201,

J301).

Load

the

tape

and

place

the

unit

in

record

mode.

If

the

record

amplifier

sensitivity

is

normal,

the

reading

on

the

V.T.V.M.

should

be

approximately

0.15V.

EXT.

SPEAKER

JACK

(J202,

J302)

V.T.V.M.

OSCILLOSCOPE

4

ohm

1

kHz

Figure

4-2

=

PLAYBACK

AMPLIFIER

SENSITIVITY

CHECK

(Refer

to

Figure

4-3)

1.

Connect

4

ohm

(2W,

5%)

dummy

load

resistors

to

the

3.

Place

the

unit

in

play

mode

with

the

volume

control

at

external

speaker

jacks

(J202,

J802)

and

connect

V.T.V.M.

across

the

load.

4.

2.

Load

the

test

tape

(MTT-112SP,

333Hz,

—20dB

recorded).

and

playback.

EXT.

SPEAKER

JACK

RECORD/

PLAYBACK

HEAD

PLAY

MODE

TEST

TAPE

MTT-112SP

maximum,

If

the

playback

amplifier

sensitivity

1s

normal,

the

reading

on

the

V.T.V.M,

should

be

0.45V

~0.7V.

V.T.V.M.

OSCILLOSCOPE

(J202,

J302)

Figure

4—3

~~

GENERAL

ALIGNMENT

INSTRUCTION

Should

it

become

necessary

at

any

time

to

check

the

most

sensitive

range

of

the

output

meter,

alignment

of

this

receiver,

proceed

as

follows.

3.

Use

a

non-metallic

alignment

tool.

1.

Set

the

volume

control

(VR3)

to

minimum.

4.

Repeat

adjustments

to

insure

good

results.

2.

Attenuate

the

signals

from

the

generator

enough

to

swing

AM

ALIGNMENT

CHART

AM

IF

and

MW

RF

ALIGNMENT

|,

Set

the

function

selector

switch

(SW2)

to

“‘radio’’

position.

2.

Set

the

band

selector

switch

(SW1)

to

”

SIGNAL

GENERATOR

step

|

JEST

3

DIAL

STAGE

CONNECTION

TO

INPUT

SIGNAL

SETTING

RECEIVER

FREQUENCY

MW"

position.

METER

CONNECTION

WHERE

TO

ADJUST

ADJUSTMENT

Connect

AM

sweep

Highest

Connect

an

Rotate

the

core

to

generator

to

the

455k

Hz

(400Hz,

frequency

oscilloscope

adjust

so

that

the

loop

antenna

and

30%,

AM

modu-

(to

extreme

between

the

waveform

becomes

place

it

near

the

bar

lation)

right)

test

point

maximum

and

sym-

antenna

(L5).

(TP6)

and

metrical

in

right

and

(The

output

of

ground

(TP5)

left

as

shown

in

signal

generator

A65kHz

(400H2

through

a

Fig.

5-1,

|

should

be

as

small

30%

AM

modu.

capacitor

(0.022

Repeat

this

until

as

possible.)

lation)

to

0.1

MFD.)

adjustment

be

satisfied.

Connect

AM

signal

510kHz

{(400Hz,

Lowest

fre-

Connect

Local

Adjust

so

as

to

generator

to

the

30%,

AM

modu-

quency

(to

V.T.V.M.

to

Oscillation

make

the

output

loop

antenna

and

lation)

extreme

left)

the

externa!

coll

be

maximum.

place

it

about

60cm

speaker

jack.

L6

(Set

the

volume

contro!

(VR3)

tomas”)

apart

from

the

bar

antenna

(L5).

(The

output

of

signal

generator

should

be

as

smail|

as

possible.

}

Frequency

coverage

1650kHz,

(400Hz,

30%,

AM

modu-

lation)

600kHz,

(400Hz,

30%,

AM

modu-

lation)

1400kHz,

(A0GHz,

30%,

AM

modu-

lation}

Oscillation

Same

as

step

2,

trimmer

TC5

Antenna

coil

L5

(MW)

Highest

fre-

Same

as

step

2.

quency

(to

extreme

right)

600kKHz

Same

as

step

2.

Same

as

step

2.

Same

as

step

2.

(See

Note

A)

Same

as

step

2.

Tracking

Antenna

trimmer

TC3

1400k

Hz

Same

as

step

2,

Same

as

step

2.

(See

Note

A)

Same

as

step

2.

2)

steps

2

and

3

or

4

and

5

until

no

further

improvement

can

be

made,

OSCILLOSCOPE

TEST

AM

SWEEP

LOOP

GENERATOR

ANTENNA

AM

IF

CURVE

AM

RF/IF

AMP

@

GND

(TPS5)

455k

Hz

(GF-4545H)

465kHz

(GF-4545E)

TEST

AM

SIGNAL

LOOP

EXT.

SPEAKER

GENERATOR

ANTENNA

L5

(MW)

JACK

(J202,

J302)

Figure

5—1

Check

the

alignment

of

the

receiver

antenna

coil

by

requires

less

inductance.

Change

loop

inductance

by

sliding

the

bringing

a

piece

of

ferrite

(such

as

a

coil

slug)

near

the

antenna

—

bobbin

toward

the

center

of

ferrite

core

to

increase

induct-

loop

stick,

then

a

piece

of

brass.

!f

ferrite

increases

output,

ance,

Or

away

to

decrease

inductance,

loop

requires

more

inductance.

If

brass

increases

output,

loop

i

ss

- 7

AMES

AIL

aes

tacit

Lap

cae

amet

ecu

eb

os

needle

ey

ce

Sek

oe

LW

RF

ALIGNMENT

1.

Set

the

function

selector

switch

(SW2)

to

“radio”

position.

2.

Set

the

band

selector

switch

(SW1)

to

“LW”

position.

ERATOR

SIGNAL

GEN

DIAL

CONNECTION

TO

|

INPUTSIGNAL

|

SETTING

RECEIVER

FREQUENCY

Connect

AM

signal

145kHz

(400Hz,

Lowest

fre-

METER

WHERE

TO

CONNECTION

ADJUST

ADJUSTMENT

Connect

Local

Adjust

so

as

to

generator

to

the

30%,

AM

modu-

quency

{to

V.T.V.M.

to

oscillation

make

the

output

loop

antenna

and

lation)

extreme

jeft)

the

external

coil

be

maximum.

place

it

about

60cm

speaker

socket

L7

(Set

the

volume

control

(VR3)

to

‘’max’’.)

apart

from

the

bar

antenna

(L5).

(The

output

of

signal

generator

should

be

as

small

as

possible.)

Frequency

coverage

Same

as

step

1

295kHz,

(400Hz,

|

Highest

fre-

Same

as

step

1.

Oscillation

Same

as

step

1.

30%,

AM

modu-

quency

(to

trimmer

lation)

extreme

right)

TC6

160kHz,

(400Hz,

30%,

AM

modu-

lation)

260kHz,

(400Hz,

30%,

AM

modu-

lation)

Same

as

step

1.

(See

Note

A}

Antenna

coi!

L5

(LW)

=

3

Tracking

—

4

Repeat

the

steps

1

and

2

or

3

and

4

until

no

further

improvement

can

be

made.

Antenna

trimmer

TC4

Same

as

step

1.

(See

Note

A)

TEST

V.T.V.M.

AM

SIGNAL

LOOP

EXT.

SPEAKER

GENERATOR

ANTENNA

L5

(LW)

JACK

(J202,J302)

Figure

6—1

VR3

TP5

VR4

j%TP7

TP4

TC3

TC4

LE

TCS

L7

TC6

LS

TPZ

TC2

TP1

TRS

TCl

11

74

13

“TP6

T6

T2

FS

L4

Figure

6—2

ALIGNMENT

POINTS

es

1,

Set

the

function

selector

switch

(SW2)

to

“radio”

position.

FM

ALIGNMENT

CHART

2.

Set

the

band

selector

switch

(SW1)

to

“FM”

position,

SIGNAL

GENERATOR

DIAL

METER

WHERE

TO

CONNECTION

TO

|

INPUT

SIGNAL

|

SETTING

|

CONNECTION

ADJUST

ADIUSTMENT,

RECEIVER

FREQUENCY

Connect

FM

sweep

10.7MHz

(400Hz,

|

Highest

Connect

an

Tote

2o

hs

|

Rotate

the

core

to

generator

to

the

100%,

FM

modu-

|

frequency

oscilloscope

adjust

so

that

the

TP3

through

lation)

(to

extreme

between

the

waveform

becomes

a

capacitor

(5pF).

right.)

test

point

(TP4)

symmetrical

in

right

Connect

its

ground

and

ground

(TP5)

and

left

as

shown

side

to

the

chassis

through

a

in

Fig.

7-1

(A)

:

ground

(TP2).

Capacitor

(Rotate

the

core

of

(0.022

to

0.1

T4

fully

counter-

MFD.)

|

clockwise.)

Same

as

step

1.

Same

as

step

1.

Same

as

|

Same

as

step

1.

T4

Adjust

the

core

so

step

1.

that

the

waveform

(“'s’’

curve}

becomes

Detection

symmetrical

in

up

and

down

with

the

best

linearity

as

Lt.

i

|

shown

in

Fig.

7-1

Repeat

the

steps

1

and

2

until

no

further

improvement

can

be

made.

Connect

signal

gene-

|

87.1MHz

{400Hz,

|

Lowest

Connect

Local

Make

the

output

be

rator

through

a

30%,

FM

modu-

frequency

V.T.V.M.

to

oscillation

maximum,

dummy,

including

lation)

(to

extreme

the

external

coll

Output

impedance

left)

speaker

jack.

L4

of

signal

generator

(Set

the

volume

4

to

the

FM

antenna

control

(VR3)

TPs

:

to

‘’max*’.)

|

(Refer

to

Figure

Frequency

|

7-3)

Ground

lead

of

coverage

generator

connected

to

the

receiver

chassis

(TP2).

Same

as

step

4.

JOOMHRz

(400Hz,

|

Highest

Same

as

step

4.

|

Oscillation

Same

as

step

4.

5

30%,

FM

modu-

frequency

trimmer

.

lation)

(to

extreme

TC1

right)

Same

as

step

4.

88MHz

(400Hz,

88MHz

Same

as

step

4.

RF

coil

Same

as

step

4.

30%,

FM

modu-

a2

lation)

Track

ing

ne

ee

i

eee

Pee

;

ame

as

step

4.

108MHz

(400Hz,

|

108MHz

Same

as

step

4,

RF

Same

as

step

4.

7

30%,

FM

modu-

trimmer

TC2

ik.

lation)

|

I

|

8

Repat

the

steps

4

and

5

or

6

and

7

until

no

further

improvement

can

be

made.

FM

IF

CURVE

“S"

CURVE

Figure

7—1

10.7MHz,

FM

SWEEP

GENERATOR

FM

FRONT

END

CIRCUIT

GND

(TPS)

{TP2)

EXT.

SPEAKER

FM

SIGNAL

JACK

{J202,

J302})

FM

ANTENNA

GENERATOR

:

TERMINAL

DUMMY

(Fig.

7-3)

{TP2)

Figure

7—2

OSCILLOSCOPE

R

|

Z«

75

(onm)

<<

-

Re

«

—V\V\A——_-—-

TO

ANTENNA

Rt

=

37.5

(ohm)

(ohm

)

Re

er

at

=

50

(ohm)

=

h

poe

R2=*=

50

(ohm)

4

-__—.—_»

TO

CHASSIS

GROUND.

Z=

OUTPUT

IMPEDANCE

OF

SIGNAL

GENERATOR

Figure

7-3

EE

Ngee

ee

i

ae

a>

See

Re

nd

ee

ae

ee

eT

eae

ee

ra

IR

cate

snag

ee

Saaiatinestin

atte

Tee

a

eae

tne

see

mae

32

a

ype

A

Lat

ene

+

at

ae

baa

Peres:

[Note

B]

(Refer

to

Figure

8-1)

There

are

5

kinds

of

ceramic

filter

(CF

1)

available

with

this

unit

and

they

are

given

color

indication

as

tabulated

below

to

differentiate

the

central

frequency

from

one

to

another

among

them,

When

other

ceramic

filter

than

the

one

(red)

having

the

central

frequency

of

10.7

MHz

are

used,

note

that

a

marker

(10.7

MHz)

of

FM

sweep

generator,

if

used,

will

be

deviated

—

therefore,

adjust

the

generator

by

putting

off

the

marker.

Central

frequency

(fo)

FM

MPX

ALIGNMENT

CHART

1,

Set

the

function

selector

switch

(SW2)

to

“radio”

position.

SIGNAL

GENERATOR

CONNECTION

TO

RECEIVER

Connect

FM

stereo

signal

generator

through

a

dummy,

including

output

impedance

of

gene-

rator

to

the

FM

antenna

(TP

1).

(Refer

to

Figure

7-3)

Ground

Jead

of

generator

connect

to

receiver

chassis.(TP2)

FM

STEREO

SIGNAL

GENERATOR

INPUT

SIGNAL

FREQUENCY

Exactly

98

MHz

(54dB)

unmodu-

jated

DUMMY

(Fig.

7-3)

|

EM

Ie

AMP.

DIAL

SETTING

10.64

MHz

+

30

kHz

10.67

MHz

+

30

kHz

10.70

MHz

+

30

kHz

10.73

MHz

+

30

kHz

10.76

MHz

#

30

kH2

Figure

8—1

2.

Set

the

band

selector

switch

(SW1)

to

‘‘FM

stereo

“‘posi-

tion.

METER

CONNECTION

4

WHERE

TO

ADJUST

ADJUSTMENT

Connect

fre-

quency

counter

through

a

100K

ohm

resistor

to

the

TP7.

Figure

8—2

1)

Turn

the

drum

fully

clockwise

and

stretch

its

cord

cover

the

Parts

in

the

numerical

order

.

2)

Turn

the

tuning

control

shaft

fully

counterclockwise,

and

fix

it

with

the

pointer

aligned

with

the

zero

(O)

point

on

the

dial

scale.

Figure

8-3

DIAL

CORD

STRINGING

—8-—

VR4

Adjust

for

19

+0.ikHz

TP7

FREQUENCY

COUNTER

Zero

Point

VOLTAGE

SELECTION

(GF-4545H

ONLY)

Take

care

to

check

the

voltage

setting

of

the

voltage

selector

before

connecting

supply

lead

plug

to

the

domestic

AC

outlet.

If

necessary

adjust

the

setting

as

follows:

Slide

the

voltage

selector

to

the

“110

~

120V”

or

“220

~

240V”"

position.

SELECTOR

30~

120V

220~240V

—_=

Figure

9—1

EQUIVALENT

CIRCUIT

OF

IC

FM

IF

FMF

OUTtN)

IN(2):

+e.

OUTt

uPC1212C

(1C2)

:

eee

eet!

-

¥

SA

—>+—

!

Rs

Os

es

Ss

oa

Input

G

I

‘

Ry

a

}y

Ae

2

Da

5)

oho

y

$n

ui

Q:

3

Re

+-

(a)

ae

poe

TOP

VIEW

8

7

6 §

ee

Ey

ae

ca

sue

a

we

Figure

9-3

EQUIVALENT

Figure

9-2

EQUIVALENT

CIRCUIT

OF

IC

(IC1)

CIRCUIT

OF

IC

(IC202,

IC302)

STEREO

/MONO

COMPARATOR

I9kHz

SWITCH

INPUT

MONITOR

P;

F

,P:F.

V.C.0.

STOP

V.C.0.

MUTING

SCHMITT

B

a.

14

6

fpecia

i

DRIVER

Input

NF.B

Output

GND

ALC

Vcc

Output

Input

Vec

COMPOSITE

PRE

AMP

L—ch

R—ch

LAMP

GNO

SELECTIVITY

SIGNAL

OUTPUT

DRIVER

CONTROL

INPUT

Figure

9-5

BLOCK

DIAGRAM

Figure

9-4

BLOCK

DIAGRAM

OF

IC

(IC2)

OF

IC

(1C201,

1C301)

—~9—

PACKING

METHOD

(GF-4545E

ONLY)

ACCESSORY

POLYETHYLENE

BAG

PACKING

ADD.

(LEFT)

(94F

H463042001)

PACKING

ADD.

(RIGHT)-

(94FH463042002)

PACKING

CASE

(94F

H433042003)

Figure

10—1

CAUTION

(GF-4545E

ONLY)

If

any

one

of

the

nylon

bands

shown

in

the

Figure

10—2

is

once

removed

for

some

reason,

be

sure

to

reprise

it

to

the

Original

place

in

the

same

appearance

as

before.

FUSE

GRAY

TRANSFORMER

Figure

10—2

—10—

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4

if

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L205

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ANT.

07

3

5

(\

MOTOR

SWITCH

H

:

UMI

X6

C252

Che

o208¥,

*

Battery

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C54

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(ML)

|

(ML)

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cep

ene

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|

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|

a

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SELECTOR

\

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Lwi

Miw

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FMstereo

SWi-F

/

i

fe)

(s)

R44

39K

q

C66

/

loop

D202~0205

IN4002

x

4

C239~

C242 rere

02

x4

0202~

0208

IN4002

x

4

Sj

L203

)25

uH

t

C239

~

C242

P

ER

“

TRANSFORMER

02

x4

7

|

iil

°

;

we

C236

om

:

7

CNSI

CNPI

’

C2199

+

monitor

Desi

‘oe

cM20!

Lanta

9

a

i000

16v

Se

|

ma

DAE

7.

’

:

utah

OHO

)

470/16V

BUILT-IN

mel

Po

—

Z

3

:

VRI

yeov

|

22

207

R2

:

at

R-CH

O

EXT.

SPEAKER

JACK

O

L-CH

EXT.

MWC

ACK

:

L-CH

.

@

SP202

ig

TWEETER

cr

a

eS)

ae

7

L-CH

|

;

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.

i

2

SP20!

a

3S

7

co

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ee

:

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ohm

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|

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ene

sh

(C520,

monitor

|

ff

lo

4ohm

7

|

:

HEADPHONE

JACK

J

@

SP302

SS

a

=

ea

|

TWEETER

“

C)

R-CH

EXT:

MIC

JACK

SS

—_

ee

——

(20?

nese

ies

EXT.

SPEAKER

JACK

*:

TRY

0

RecH

eeitesit

ie

ae

WS

[Sap

C233

bc

Se

sts

“ole

P

L204

ron

{aE

.

oo

7K

__T

=,

Rees

atearichn

SWE-A

SW6-B

BEAT

CANCEL

O

S

DIN

ha

Q4

2SCI3I7R

a

|

__cmlicor

e

The

voltages

are

measured

with

VTVM

under

e

Unless

otherwise

specified

all

resistance

in

BESchiFTiGn

es

[swno.

[—pescriprion

[Position],

foane!

input

regent

SW1

(A

~

H)

Band

Selector

FM

Stereo—FM

Mono—MW—LW

SN

NO.

pea

es

e@

Unless

otherwise

specified

voltages

are

measur-

e

Unless

otherwise

specified

all

capacitance

in

SW2

(A

~

D)

Puncion

Celacior

SW6

(A,

B)

Beat

Cancel

ed

in

FM

mode.

microfarads.

P

=

micro

—

microfarads.

SW3

A.B)

eat

AC/DC

Selector

AC

—

DC

(

)

:

MWor

LW

mode.

e

(ML)

:

Mylar

film

capacitor

si

H

Swa

(A~

L)

Record/Play

back

SW8

(GF-4545H)

Voltage

Selector

110~120

—

220~240

:

Record

mode.

e@

(CH)

:

Temperature

compensating

ceramic

capacitor.

Motor

)

are

important

for

maintaining

the

ssafety

of

the

set.

Be

sure

to

replace

these

parts

with

specified

ones

for

main-

taining

the

safety

and

performance

of

the

set.

1

2

[Scares

eg

(GA

(egg

CoD

EE)

a

12

Figur.

jEMATIC

DIAGRAM

a

J

:

a42=

|

NOTES:

Parts

marked

with

“

/A\"

(Specifications

or

wiring

diagrams

of

this

model

are

subject

to

change

for

improvement

without

prior

notice.

)

|

Sharp GF-4545H Manuale utente

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