Marantz 105-B Service Manual

SERVICE

MANUAL

..........

....

";;i//L

TABLE

OF CONTENTS

SECTION PAGE Introduction AM

Tuner.

FM

Tuner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AM

Alignment Procedure

FM

Alignment Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Test Equipment Required Parts List Technical Specifications

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

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

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

for

Servicing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.........

.

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

LIST

OF

ILLUSTRATIONS

1

..

1

..

1 3

..

3

..

4

13 ~ 17

.18

FIGURE PAGE

1.

Dial Stringing

2.

Front

Panel

3. Main

4.

5. Main

6.

7. FM,

Chassis

Rear

Panel Adjustment and Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chassis

FM/

AM Tuner Assembly P100 Component Locations. . . . . . . . . . . . . . . . . . . . . . . . . .

AM,

8. Power Supply Assembly P400 Component Locations

9. Schematic Diagram

10. Exploded Mechanical Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Adjustments and Component Locations. . . . . . . . . . . . . . . . . . . . . . . . . . .

Component Locations (Top View)

Component Locations

(Bottom

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

View)

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

Mono and Muting Switch Assembly P300 Component Locations. . . . . . . . .

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

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

..

5

..

6 6

..

7 7

..

8

..

8

" 8

9, 10

11, 12

TABLE

1.

Test Equipment Required

for

Servicing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

..

4

I

NTRODUCTI

This

service man

i

nf

ormation

Servicing in

k

no

wledgeable and experienced technician only.

at

tempt shou ld be m

t uner.

The

part Marantz Com th

roug h local suppliers .

The Mod

sam

e circu

supply

1.

H113 H113 base-emitter junctio is applied

t

detect audible signal through the and the final audio th

c H stre

circuit.

AM

Tuner All com ponents ex ce T

he

AM

thro ugh a capacitor

through a capacitor C172. Bo

The o

ra

nsist

or

rou

gh

The DC c

urr

ent

of

124 through a capac

ng

th meter M001.

ON

ual w

as

prepared f

for

Marantz

for

mation and volta

lists furnish

pa

ny. A simple descrip

el 1058

itr

y as used in the Model

signals induced in a

to th

e f irst I F transformer L 116 consisting

utp

ut

of L11 6

of

next stage

the

funct ion switch.

om

ponent

H 104 through the resistor R 185. A part

Mod

el

ade

to proc

infor

is a tu

ner version

pt

ferri te bar antenna

of

C171,

n and converted

is led

Hl05. The full y ampli f ied IF

out

pu t

is

obtained

of

the det ected I F

itor

C1BO

or use

l 05B Stereophonic Tuner.

ge

data included in this manual

eed

without

mation by which replacement part may

tion is

of

the Marantz

201

ferrite

to

bar antenna

whil

e t

th

int

o 45 5KHz intermediate frequency. The resulting I F signal

the transistor H 1

det

ector transf

from

and rectified to obtain

by

Authoriz

a good understanding

included for parts which can

5 is employed except

are

mounted on a printed

he

local o

AM signa

ormer

pin terminal J118 and applied:

signal

ed

Warranty Stations and contains service

are

All

instruction

's

Model 2015 Tuner/Amplifier

are

appli ed

sci

llat

or

ls

and oscillating voltage

of

one ceramic

04

which in

output

L 117. The detected audio signal

is

used

as

of

I F signal

DC

should

the

audio

to

the

voltage

filter

turn

is

then applied

a AGC voltage

output

current

intended

be

read

of

the operation in the

be

usually

Amplifier,

circuit

base

is

for

board

of

converter transistor

injected

and

two

apply its

to

also applied

energizing the

for

use

by

carefully. No

ordered

to

are

the diode H123

the

from

be

obtained

and

almostthe

and power

Pl00.

the

emitter

mixed

tuned circuits. output

control

is

filtered

output

emitter

to

the diode

AM

at

to

jacks

signal

the

of

the

to

1.1 Suggestions Che

ck

for broken A M bar anten n slowly me preceding final I F transf check deflect, check the local osci me local osci llato r VTVM

2.

and observe the

ter gives a

for

llator

asu

rin g oscillating voltage

and compare the measur

FM

Tuner All components FM signals induce d by a FM

These signals are then applied to t he FET RF

transi stor mixer

The

mixer

e.

r, t

for

AM

Tuner

AM

deflection

audio signals wit h the

tuning cap

convert its in

The H103

he

acitor

volt

age

is

are mou

Hl02 through a hi

inj ect ion voltage

trouble

signal

at sever

ormer

osc

illa

is

about 2

use

normal, check all voltage dist

nted on a printed circ

an

put

sign

is

a local oscillator

shooting

a,

th

al frequencies received, no failure may exist in the

L 117. N

tor

ed

tenna are l

is abo

ext

tuning

a RF VTVM, no

values

al

meter deflected.

circuit. No rm

or

with

gh Q tuned

into 10.71V1

ut

40mV.

try

to

tune station

meter whether

connect a oscilloscope

al

oscillating voltage at the

3 volts, varying

circuit

ribution

those given in the schematic diagram.

uit

board P100.

ed

to

FM antenna coil L 101.

amplifier

circuit.

Hz

intermediate frequency and amplifies

and its

output

by

rotating fly-wheel

it

deflects

If

the signal strength meter does

with

tester gives correct indication. Ifthe

which in

is

or

not.

to

the pin terminal J118 and

tuning

in

injected

capacitor position. When

the

AM

turn

applies its

into

tuning

If

the signal strength

stages

at least

hot

end

of

circuits by using a

the

output

base

it

of

to

at the mixer

knob

not

the

DC

the

1

---

.........:.:.

The 10.7

stage

of

I F

to

obtain

limiting

H 1

05

FET

2.1 The

Mode1105B.

The DC vo Itage

base threshold

When

emitter ampl

When

and can transistor the

threshold The The

on

and

high

characteristics,

output

RF

amplifier

Muting

muting

of H11

level).

H110

collector

ifier

H1 08.

the

not

keep H111

muting

DC voltage off.

MHz

front

amplifier

is

and

0 and

input turn

level are

and one stage

selectivity, a pair

rectified

to

decrease the gain

Auto-Stereo

circuit

turns

threshold

consisting

obta

i ned

turns

on,

resistance

signal

on the

turn

muted

obtained

end

output

improved

by the

Switching

by

on

it,

the

to

is

lower

H110,

off,

out.

level can be varied

is

led

of

sub I F

of

symmetrical

capture

diode

of

rectifi

if the sub I F

muting

near zero

thus

then

also used

H 115, H

with

Circuits

all solid-state electrical

ng

switch

than

the

no

to

the

amplifier.

ratio

and good

116

increased signal strength.

the

su

b I F

output

transistor

ohm

and

predetermined

H110

keeps its

emitter

to

current

by

adjusting

make

Two

diode

and

output

is

greater than

H111

allowing

is

the

Auto-Stereo

limiters

AM

its

switching has

signal

level, the

turn

supplied

The

pieces

DC

emitter

trimming

of

ceramic

are also

suppression. A

output

from

predetermined

is

turned

current

DC

off

state and

to

the

resistor R 153.

switching

IF section consists

filters

are also used

employed

part

is

fed back

been

incorporated

the H109

on,

thus

path

output

this

H108

transistor H112

for

of

I F

to

the gate

is

app I ied

level

decreasing

to

the

obtained

makes the switch

and signals

of

five

the

best

amplifier

of

in the

to

the

(muting

the

Final

IF

is

small

below

turn

2.2

MPX

Stereo

A Non-equaliz ed network decoder channel signals decoded

QJ)

de-emphasis postamplifier ampl

®

terminals

(j])

transistor automatically or

25~V.

of

Ie

(left

ified

(right

channel) and

on

the

Hl12,

off

in accordance

2.3 Suggestion

2.3.1

Symptom:

First

turn slowly frequencies received, the When The the distribution the circuits,

and observe

no

reading normal tuning

circuit

using high sensitive oscilloscope.

Decoding

audio C148 consists

channel), respectively. These signals are

in

Jl14

MPX

local

capaCitor

and R161

of

networks

input

the

switching

for

on

in

the

diagram. When

to

pin ® (right

postamplifiers

pin ® (left

and

Jl15,

IC

Hl14

which

with

Trouble

No

FM Reception

the

power

the

is

obtained

oscillator

position.

FM

Front

Circuit

signal

a stereo decoder and postampl

by

eliminate

turns between

FM

tuner

voltage

from

to

input

termin

the

stereo decoder H

undesira ble residual

channel) and

to

the

channel), and are

hence,

is

whether

Shoo

switch

in

through

connected

on

or

off

the

stereophonic

the

ting

of

and

TU NIN

circuits

the

meter, check FM local is

one

If

the

End and I F

TUN

I NG

the

FM

detect

or

al

CD

11

4,

(j)

required

through R163

acc

FM signal strength

FM

try

G meter.

preceding t he

or

local

meter

level·

fu nction

ording

T

uner

to

tune FM

two

volts

oscillator

amplifier

deflects

then

to

and

If

(rms)

unit

is

applied

on

the

ifier

appear passed switching

(left

(approximately

passed

switches

to

the

incoming

monaural

stations

the

TUNING

discriminator

oscillator

at

voltage

and

but

through

MPX decoder IC

for

the output.

at

through

signals and are

channel), respectively.

through

to

the

collector

operations. The H112

is

more

. R

otate

circuit,

the

tuning

is

normal, next

compare

no sound is

the

phase

Hl14.

The

right

@

(right

channel) and

the

low-pass

then

10

dB)

are delivered

C169 and

"OUTPUT"

of

the

autostereo

FM

signal

strength,

or

less

than

the

fly-wheel

cir

meter

cuit

them

deflect

may

usi

ng

capacitor, depending on

check all voltage

wit

h those shown in

obtained,

filters

delivered

The

C168

terminal.

approximately

tuning

have no fai lure.

a RF

VTVM.

check

adjuster

The

MPX

and

left pin

and

to

signals

to

switch

thereby

turns

on

knob

at several

audio

2

2.3.2

Symptom:

First check the output beacon signal, usi,

3.

3.1

1. Connect a sweep generator

2.

3.2

1. Set

2.

3. Repeat the step 1 and 2

4. Set the generator

5.

6. Repeat the step 4 and 5 Note :

modulated

is

turned

ng

AM

Alignment

AM

I F

point

@.

Rotate

symmetrical response.

pointer

Set

adjust the oscillator

output.

core

Set the generator

trimming

each

AM

Frequency Range and

AM

signal generator

at the

the

signal generator

of

AM

During

action.

No

Stereo Separation

"MONO"

by

a stereo

on

or

not.

If

an

oscilloscope.

Procedure

Alignment

core

of

I F transformer L

to

low

end.) and adjust the

to

trimmer

until

to

600

ferrite

capacitors

rod antenna to

1400

of

Antenna (CA-1)

until

tracking alignment reduce the signal generator

switch

KHz and

is

in normal

modulator

not

turned

to

the

Tracking

525

KHz.

1650 KHz. Place the

on

no

further

for

KHz and tune the receiver

no

further

to

on, check

test

Alignmen

Turn

oscillator

the

oscillator

tune

maximum

for

out

the rear FM antenna terminals, and check the stereo

for

point

adjustment

®

116

and L

t

the

tuning

coil L 115

tuning

the receiver

output.

maximum

position. Connect a FM R F signal generator

19 KHz

or

J 1 07 and

117

is

necessary.

to

output.

is

necessary.

pilot

signal and 38 KHz switching

an

alignment scope

for

maximum

capacitor

for

pointer

capacitor (CA-2)

the

to

maximum

in

same

the

same

output

fully

closed (place the

the

frequency and adjust a slug

frequency and adjust the

as

to

the test

height and

audio

output.

high frequency end and

for

maximum

necessary

to

flat

avoid

top

tuning

audio

AGC

FM

4.

2.

3. Set the FM

4. Repeat the step 2 and 3

5.

6. Set the

Alignment

1.

Connect a FM signal generator distortion Set the frequency end obtain

place the

Maximum

Set the FM generator Adjust distortion.

capacitor

7.

Repeat the step 5 and 6

8. Connect a DC secondary core (upper)

obtained on the Next

to

Adjust

maximum

FIVI

maximum

the antenna coil

FM

set the FM

the

same

primary

Procedure

analyzer

SG

to by

audio

SG

to

tuning

output.

output

CF-l,

reading on

pointer

SG

to CF-2

VTVM

frequency

core

to

the tape

87.5

MHz and provide

rotating

output.

108.5

MHz

until

to

90

until

the audio

106 MHz and tune the receiver

for

until

with

at

SG

to

98

so

(bottom)

the

to

the FM antenna terminals and a oscilloscope and

output

the

and provide

at the high frequency end and adjust the

no

MHz and tune the receiver

L101,

minimum

no

±0.5

of

discriminator

no signal.

MHz

that

no of

VTVM

jacks on the rear panel.

about 3 to 5 J.lV.

tuning

further

output

RF coil

further

volt

and increase the

connected

knob

about 3 to 5 J.lV

adjustment

level decreases

L102

distortion.

adjustment

range selected

deflection

L 107

for

and adjust the core

and IF

transformer L 107

is

obtained on the

minimum

to

the J109.

is

necessary.

to

the

is

necessary.

to

output

distortion,

Place the

output.

the

same

with

the decreasing generator

transformer

same

frequency.

the test

level

point so

to 1 KJ.lV,

VTVM.

an

audio

tuning

of

Rotate the tuning

trimming

frequency . Decrease signal

L105

pointer

oscillator coil L 103

capacitor C187

for

Adjust

at

knob

minimum

the

trimming

the

output.

audio

® (J'120) and adjust the

that

no voltage reading

then tune the receiver

and adjust the L 108

for

low

to

and

for

is

the

..

_--

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

4.1

STEREO

1. Set the FM Tune the receiver point

2. Modulate course a

Adjust composite maximum

Separation SG

to

provide 1 K/-lV at

to

® gives no reading) .

the

FM

pilot

signal must

the core

of

signal consisting

and equal separation in

Alignment

the

SG

with

L 110

98

MHz

.

same

frequency

stereo composite signal consisting

be

included).

for

maximum

of L or

both

perfectely

audio

R channel

channels.

output,

only,

(so

then,

and adjust the

that

the

modulate

VTVM

of

connected

subchanged signal

the

FM

trimming

resistor R 161

SG

to

with

the test

only

(of

a stereo

for

Muting

4.2

1.

Set the FM

frequency. Adjust turn

5. Test

Table 1 lists the test

AM

Test

FM Signal Generator

I

Stereo Mod u

udio

A

Circuit

SG

the

trimming

the

MUTING

Equipment

Item

Signal Generator Signal

Loop

lator

Oscillator

I

Osc

ill

oscope

VTVM Circuit

Tester

Alignment

output

to

resistor R153

pushswitch

Required

equipment

provide

for

Manufacturer

Less

Weston Model CVOthan tion

High sensitivity

zontal and vertical

With

25

/-lV

(lHF)

for

the threshold level

"on").

Servicing

required

than 0.3%

than 0.3 %

is

AC, DC, R F range Voltage measurements

0.02% required

for

and Model No.

distortion

residual distor-

at

98

MHz and tune the receiver

of

25

/-lV

(during this

servicing the Model 105 B Tuner.

Use

source

ment Used

with

AM

Signal source ment

Stereo separation alignment and

l00P,

with

DC

amplifiers

less

hori-

trouble

Sinewave and squarewaves nal source

Waveform analysis and ble Shooting, and ASO ment

Trouble

shooting

Shooting

to

the

same

adjustment

for

Signal generator

for

align-

AM

FM align-

sig-

Trou-

align-

4

Table

1.

Test Equipment

Required

for

Servicing

POINTER

Figure

1.

Dial

56

Stringing

5

...

--

..

--

...

SOOl

~

~/A

~"",_C£-

Figure

2.

Front

Panel

wnod

Adjustments

..

• I ".

and

ion

Component

Locations

6

Figure

3.

Main

Chassis

Component

1

Locations

'-----

---

(Top

P400

l02

View)

JO

3

LOOt

Figure

4.

J012

Rear

Panel

Adjustment

and

Component

locations

GOOt ROOl

•

o

1 61

•

Figure

5.

Main

Chassis

Component

locations

(Bottom

View)

7

...

--

..

--

...

~

Figure

6.

FM/AM

Tuner

Assembly

Pl00

Component

Locations

Figure

7.

A

sse

FM,

mbly

AM,

PlOO

Mono

and

Component

Muting

Locations

•

Switch

8

••

--:

=--

-"IVV\---.:.ee

Figure

_:--~'I/W1I,-.

8.

Power

P400

Component

Supply

------'

••

Assembly

Locations

I'M

AM

LOCH

..

z

..

'"

<

HI02

Hr03"""

lOS

ti

II

0

HTl05361G

2SC536G

HlI!

•

HTl05361

2SC536E

nt:

H

E

113

ti1l4

H!l5.116.ll'9

H H 7

....

IZ5

,118

HD2001105

151555

TRANSISTOR

COf'HU':cTION

IBOTTOM

HIO

HIOZ_t·nI3

1-1401

O.ORAIN

S SOURCE

G

GATE

E;

EMITTER

VIEW)

fiflure

9.

Schematic

MOOI

COOl

PARTS

LIST

REF.

DESIG.

0103 01 0105 0106 0108

0427 0429 0431 0607 0609

0512 0513

0526 0527 0528 M007

0703 0821 J002

I

PlOD

Rl0l Rl02

I

Rl03 Rl04 Rl05 Rl06 Rl07 Rl08 Rl09 Rll0

R Rl12 Rl13 Rl14 Rl15 Rl16 Rl17 Rl18 Rl19 R120

R121

I

R122 R123 R124 R125

PART

284906340

A

284906301 282740101

04

282715801 281825905 284905301

285027340

B

257706302 257727301 285011201 Shaft 53110603E 54020601E

C

120200640 120225801 Ho 72080802A

285010341

D

281810301 285010301 281805301 IN1008030

E

284916040 284916001 Bracket 55060365S YJ0400018

YD2886001 YD2849101

RT0510114 RT0556314 RT0510514 RT0510414 RT0510114 RT0510514 RT0510214 RT0510114 RT0510114 RT0510314

RT0510314

l1

1

RT0512214 RT0533314 RT0547114 RT0515114 RT0515114 RT0522214 RT0515214 RT0510114 RT0556214

Ri0512314 RT0510214 RT0510114 RT0515114 RT0533114

NO.

DESCRIPTION

Front

Panel Assembly

Es

cutcheon

Frame

Window

Bush

x 5

Cover

Fly Wheel Assembly Escu

tcheon

Fly

Wheel

Hexagon Nu t

Flat Washer P

S

tri

ng

ok

Stri

ng

ointer

P Pointer Pointer Cover

Lamp

Rear Pane

T.R. Riv Jack

P.W.

Boar d,

P.W.

Board Assembly

RESISTORS

All

resistors

unless otherwise indicated.

lOOn 56Kn lMn 100Kn 100n lMn 1

Kn loon lOon 10Kn

10Kn

1.

2Kn

33Kn

470n

150n 150n

2.

2Kn

1.

5Kn

loon

5.6Kn

12Kn lKn loon 150n 330n

x2

Asse

mbl

Assembly

l Assembly

et x 2

Tuner

are ±5%

y

and '!.W,

I

REF.

DESIG.

R126 R127 R128 R129

.

R130

R131 R132 R133 Rl34 R135 R136

R137 Rl38 R139 R140

R141 R142 R143 R144 R145 R146 R147 R148 R149 R150

R151 R152 R153 R154 R155 R156

R157

R158 R159 R160

R161

R162

R163 Rl64 R165 R166 R167 R168

R169

R170

R171 Rl72

R173 R174 R175

R176 Rl77 R178 R179

R180

R181 R182 R183

R184 R185 R186

R187

PART

NO.

RT0533214 RT

0510214 RT0533214 RT0515314 RT0527214

RT0515114 RT0533114 RT0515114 RT0510114 RT0510414 'RT0515114 RT05822 RT0515314 RT0510214 RT0522114

RT0582114 RT0582114 RT0510114 RT0568214 RT0568214 RT0518314 RT RT0522314 RT0582214 RT0515314

RT0510114 RT0533314 RA0104015 RT0522314 '

RT0522314 RT0547314 RT0533214 RT0510114 AT0518314 RT0510014

RA0103020 RT0547214 RT0515214 RC1033412 RT0568414 RT051 RT0568414 RT0510414 RT0543214 RT0543214

RT0510214 RT RT0522414 RT0522414 RT051 RT0515214 RT0568214 RT0515314 RT0527214 RT0515214

RT0582314 RT0522114 RT0556214 RT0582314 RT0515314 RT0513314 RT0522214

14

0510314

0414

0510214

oj

14

3.

3Kn

lKn

3.3Kn 15Kn

2.

7Kn

150n 330n 150n lOOn 100Kn 150n

8.2Kn 15Kn lKn 220n

820n

loon

6.

8Kn

6.

8Kn

18K

n 10Kn 22Kn

8.2Kn 15Kn

loon 33Kn Trimming, 22Kn 22Kn

47Kn

3.

3Kn lOOn 18K

n

10n

Trimming,

4.7Kn

1.

5Kn 330Kn ± 10 680Kn 100Kn 680Kn 100Kn

4.

3Kn

4.

3Kn

lKn lKn 220Kn 220Kn 100n

1.5Kn

6.

8Kn

15Kn

2.7Kn

1.5Kn

82Kn

220n

5.

6Kn

82Kn

15Kn 13Kn

2.

2Kn

DESCRIPTION

100Kn

(B)

10Kn

(B)

%,

'h

I

W

I

13

.....

--

..

--

...

~

RE F.

DESIG.

R188 R189 R190

R191 R192 R193 R194

Cl0l Cl02 Cl03 Cl04 Cl 05 C

l06

Cl07

C10B

Cl09 Cll0

Cl Cl12 Cl13 Cl14 C115 Cl16 Cl17 Cl18 Cl19 C120

C121 Cl22 C123 C124 C125 C126 C127 C128 C129 C130

C131 C132 C133 Cl34 C135 C136 C137 C138 C139 C140

C141 C142 C143 C144 C145 C146 C147 C148 C149 C150

C151 OF 161-0201 C152 C153

PART NO.

RT05472 RT0522214 RT0522314

RT0533214 RT0515214 RT0527414 RT0510414

CA3240007

001210001 OK1710201

OK

1820302 EM2240251 OK1820302 OK1820302 OK1840302

0012

10001 Ceramic,

001105001

ll

001530101

001615003

OK 1710201 Ceramic, OK 1

840302

OK1820302

001102004 001615003 001520001

001207003

001525003

OK1820302

001650101 OK1840302

OK1820302

EA

1060169

OK1840302

001620001

EA

1060169

001610101

OK1820302 OK1840302 OK1820302 OK1820302 OK1820302 OK1840302 OK1840302 EA1060169 001650101 EA1060169

001620101 001620101 OK1840302 001610101 OK1820302 EA1050509 EA1050509 OFl722201

EA3350509

EA

1060169

EA

1060169

EA3360109

14

4.7K!1.

2.2K!1. 22K!1.

3.3K!1.

1.5K!1. 270K!1. 100K!1.

CAPACITORS

Variable, Ceramic, 10PF ± 10%

Ce

ramic,

Ceramic,

Electroly,

Ceramic, Ceramic, Ceramic,

Ceramic,

Ceramic, Ceramic, 15PF ± 10%

Ceramic, Ceramic, 0.02,uF Ceramic, Ceramic, Ceramic, Ceramic, 7PF ± Ceramic, 25PF ±

Ceramic, Ceramic, Ceramic,

Ceramic,

Electroly, 1O,uF, Ceramic,

Ceramic,

Ceramic, 20PF ±

Electroly, Ceramic, 10PF ± 10%

Ceramic,

El e

ctroly, Ceramic, 500P F ± 1 Electroly,

Ceramic, Ceramic, Ceramic, Ceramic, Ceramic, Electroly, Electroly, Film, Electroly, Elec

troly,

Film, Electroly, Electroly,

DESCRIPTION

AM-2,

FM-3,

O.OOl,uF ± 20%

0.02,uF

0.22,uF,

0.02,uF +100%,

0.02,u F +100%, -O"

O.04,uF

10PF ±

5PF ± 0.5PF

300PF ±

O.OOl,uF O.D4,uF

2PF ± 0.5PF 15PF±10

20PF ±

0.02,uF +100%, -0% 500PF ± 1

D4,uF

O.

0.02,uF +100%,

O.D4,uF

0.04,uF

1

O,uF,

0.02,uF +100%, O.D4,uF

0.02,uF

0.02,uF +100%, O.D4,uF

O.D4,uF 1

O,uF,

1

O,uF,

200PF ± 200PF

0.04,uF 100PF±10%

0.02,uF l,uF, l,uF,

0.0022,uF ± 20%

3.3,uF, 1

O,uF,

O.OOl,uF ± 10% 1

O,uF,

33,uF,

Gang

+100

%,

25V

+80

%,

10

%

5%

±20

%

+80%,

+100

%, -0%

%

5%

lPF

5%

0%

+80

%,

16V +80%, +80

%,

10"

'{'

16V

+80"/0,

+100

%,

+100

%, -0%

+80"'{', +80%, -20%

16V

O"

'{'

16V

10

%

±10

%

+80

%,

+100

%, -0% 50V 50V

50V

16V

10V

-0%

-O"

-20%

-20

-20%

-0%

-20%

-0

-20

-0%

-0

-20"

%

'{'

%

REF.

DESIG.

C154 C155 C156 C157 C158 C159 C160

C161 C162 C163 Cl64 C165 C166

'{'

C167 C168 C169 C170

C171 Cl72 C173 C174 C175 C176 Cl77 C178 C179 C180

C181 C182 C183 C184 C1

C186

C187 C188

Hl01 Hl02 Hl03 H1D4 Hl05 Hl06 Hl07 Hl08 Hl09 Hl10

H 111 Hl12 Hl13 H114 Hl Hl16 Hl17 Hl18 Hl19 H120

H121 H122 H123 H124 H125 H126

PART

OF1627201 OF1627201 EA4740501 EA4740501 OFl647201 OFl647201 OF1533205

OF1533205 OF5582101 OF5582101 OF1618205 OF1618205 OF1615301 OF1615301 EA4740501 EA4740501 EA2270169

OF1768201 OFl722301 OF1740301 . Film, OF6539101

001620001

OF1740301 EA476010Q OK1840302 001530101

001620101

OFl647201

DFl64720

840302 Ceramic,

DK l

EA

85

15

4740501

DK

1840302

EA1050509

CTll00008

OK1710301

HF20D411 B F.E .T.,

HT306681C HT309301C

HT309301C

HT309301C HT309301C HT309301C

HT309301C

HT309301C HT305361G

HT305361

HT305361 HT309291C HC1001703 H01000303 H01000303 H02001105 H02001105 H01000303 H01000303

H01000303 H01000303 H01000303 H01000303 HD1000303 H02000121

NO.

1

E Tran s E

DESCRIPTION

Film, Film, Electroly, Electroly, Film, Film, Fi

lm,

Film, Film, Film, Film, Film, Film, Film, Electroly, Electroly, Electroly,

Film, Film,

Film, Ceramic, 20PF ± 10% Film, Electroly, Ceramic, Ceramic,

Ceramic,

Film, Film,

Electroly, Ceramic, Elec

troly,

Trimming,

Ceramic,

SEMICONDUCTORS

Transis Transistor,

Transistor , 2SC930 (C)

Transistor, 2SC930 (C) Transis

Tr

ansistor, Trans Tran sistor, 2SC930 (C) Transi s

Tran sistor, 2SC536 (E) Transis

I.C., Oiode, Oiode, Oiod

e, Oiode, Oiod e, Diode,

Oiode, Diode, Oiode, Oiode, Oiode, Oiode,

0.0027,uF ± 10%

0.0027,uF ± 10% OA7,uF, OA7,uF,

0.0D47,uF ±

0.0047,uF ± 10%

0.0033,u F ±

0.0033,uF ± 5% 820PF ± 820PF ± 5%

0.OO18,uF ± 10%

0.0018,uF ± 10%

0.015,uF ± 10%

OA OA

220,uF,

0.0068,uF ± 20%

0.022,uF ± 20% O.D4,u 390PF ± 5%

0.04,uF ± 20% 47,uF,

0.04,uF 300PF ± 5% 200PF ± 10%

0.0D47,uF ± 10%

0.0047,uF ± 10% O.D4,uF OA7,uF, O. l,uF, 10PF, O.Ol,uF ± 20%

2SK41 (E)

tor,

2SC668 (C) 2SC930 (C)

tor,

2SC930 (C) 2SC930(C)

istor,

2SC930 (C)

tor,

2SC536 (G)

istor,

2SC536 (E)

tor

, 2SC929 (C)

LA3310 lS188FM2 lS188FM2 lS1555 lS1555 lS188FM2 lS188FM2

1 lSl88FM2 lS188FM2 lS188FM2 lS188FM2 lS2473

7,uF

,

7,uF,

F ± 20%

+80"

+80%,

D4,uF

+80

S188FM2

-C

5%

50V

10"

5%

50V 50V

16V

10V

'{' , -20"

50V

%, 50V NPO

'{'

-20%

-20

'{'

%

I

14

REF.

DESIG

. .

PART

NO.

DESCRIPTION

REF.

I

DESIG.

PART

NO.

DESCRIPTION

I

Jl0l Jl03

I

J126

0906 0907 0908 1110

P400

R401 R402 R403 R404

C401 C402 C403 C404 C405 C406 C407 C408

H401 H402 H403 H404 H405

J401

I

J409

YP10ool13

282110901 288610904 285010902 62031650W

YD2849004

ZZ

2849

004

GJ1025

102

GJl

0251 RT0533314 RT0533314

DK DK1810351 EA3370509 EA4770109 EA3370359 EA1070160 EA2270169 DK1840301

HT311751 HD2001003 HD2001oo3 HD2001003 HD3002109

YPloo0099

02

181 0351

MISCELLANEOUS

Plug

Shield Shield Shield

Lug

PW

. Board,

PW

. Board A sse

RESISTORS

250n

± 10%,

250n

± 10%,

33Kn

±5%.

33Kn±

CAPACITORS Ceramic, Ceramic, Electroly Electroly, Electroly, Electroly, Electroly, Ceramic,

SEMICONDUCTORS

E

Transistor, Diode, Diode, Diode, DS130 Diode,

MISCELLANEOUS

Plug

Power

mbly

5%,

O.Ol,uF +100%, O.Ol,uF +100%, -0%,

,

330,uF, 470,uF, 330,uF,

1

OO,uF,

220,uF,

O.04,uF

+100

2SCl175

(YD)

DS130

(YD)

DS130

(YD)

BZ140

2W

YO

W

YOW

50V

10V

35V

16V 16V

(E)

%,

-0"10,

-0"10

500V

500\1

P300

R301 R302 R303 R304

R305

R306

C301

S301 J301

J302

Sool MOOl COOl

0417 1438 1439 0501 0503 0505 0502

1436 1437 0414

0631

J005 J006 J007 J008 M002 MOO3 MOO4 M005

1537

1538

YD2849OO3 ZZ2849703

RT0510214 RT0510214 RT0518314 RT0518314 GT0515212 RT0539214

EA4760169

SP0604oo3

YP.l00oo99 YP1000099

SP0301001

IM1104208 EA1070109

285011801 285012003 289105305 285016009 263711203 257726201 285016008 263711203 257726201 281827101

51570306B

YJ0800013 YJ0800013 YJ0800013 YJ0800013 IN1008007 IN1008007 IN1008007 IN1008007

289110106

51570315B

PW

. Board

P.

W.

Board Assembly

Resistor, Resistor, Resistor, Resistor, Resistor, Resistor,

Electroly

Push Plug

Plug

Push DC Meter, Signal Electroly

Spacer Insulator Cover Bracket Shaft Pulley Bracket Shaft Pu

lley

Holder

P.H.

Tapt

Socket Socket Socket Socket Lamp Lamp Lamp Lamp

Support P.H .

Tapt

Cap.,

Switch,

Switch

Cap.,

Screw x 4

Screw

lKn lKn 18Kn

'

18Kn

1.5Kn

3.9Kn

Band Selector

±5%, ±5%,

±5%, ± 5%,

±5%, ±5%,

47}..LF,

loo,uF,

YOW YOW YOW YOW Y.W YOW

16V

10V

0403 0408 0409 0410 0412 0421 0422 0507 0611 0615

0618 0621 0623 0625 0626

282716050 285020101 285016003 285016004 285012201 257710602 141511801 285016051 51040306A 51100306A

51100306A 511oo306A 51100306A 51100306A 51100306A

Bracket K Partitioner Bracket Bracket Sticker Bearing Spacer Bracket K F.

H.M

. Screw x 2

B.H.M . Screw

B.H.M. Screw B.H.M. Screw B.H.M. Screw B.H .M. Screw B.H.M . Screw

x4

x6 x2 x3

R003

0415 0518 1536

P200

M201 M202 M203

J201

I

J205

RC1002012

282716003 282710701

51570306B

I

YD2849002 ZZ2849OO2

IN1006301 IN1006301 IN1006301

YP1000099

I

Resistor,

Bracket Sheet P.H.

Tapt

P.w

. Board

P.W. Board Assembly

lamp, Lamp, Lamp, 6.

Plug

2n

± 10%,

Screw x 2

6.

3V,

6.

3V. 3V,

40mA 40mA 40mA

Y.

W

15

......

__

....

a';"JJL

REF.

DESIG.

R002

0413 0619 0630 0418 0718 0814 0819 0826 0827 0832

0833

JOOl J003 JOO4 J010 WOOl GOOl FOOl J011 J012 L003

LOOl

0710 0714 0806 0807 0808 0810 0811

ROOl

1133 0903 0904 0915 2236

W002 W003

PART

NO.

RC1018012 282727401

51570306B 51570305B 282705101 Guide 145525903 51100306S 54050400R 51100308S 53110303E 5'1100308S B.H.M. Screw

53110303E

YJ0800012 YT0104004 YT0202007 YT010l003 YC0240010 BF1040001 Printed FSl

01

0008 YL0102003 YT0201006 LCl154004

LFl120024

257816052 281927103 51100308S 54050300R 53110303E 51100310S 53110303E

GT0522512

62031650W 282715901 71101569M 51064019A 138200503

YW2849001 Wire Material YX2849001

Resistor,

Reflector P.H. P.H.

Bush x 2 B.H .M. Screw T.

l. B.H.M. Screw Hexagon

Hexagon

Socket, Fuse Holder Terminal, Terminal, Terminal, AC

Fuse, Terminal Terminal, Choke

Ant.

Bracket K Holder B.H.M. Screw T.L. Washer OR Hexagon B.H .M. Screw Hexagon

Resistor, 2.

Lug Drum Spring Screw Clamper

Wire Material

DESCRIPTION

Tapt

Screw x 2

Tapt

Screw x 4

Washer OR

Nut

Cord

Compo

Coil,

Coil

Nut

x2

x3

18n

± 10%,

x3

x 2 x2 x4

x4

Ant. Output Ground

.,

lA

(ULl

Quadradial 150f.LH

x2 x2 x 2 x2 x 2

2Mn ±5%,

O.lf.LF

+

'hW

120n

'hW

REF.

DESIG.

1033

1103 1104 1108 1113 1122 1124 51100306S B.H.M. Screw 1126 1127 1131 1132

1135 1-117

2836

2837 0112 0118 0119

0120 0202 0203

0207 0211 257886101 0212 0213

0214 0219 0220 0224 0225 3037

0302 0304 0306 0432 0433 3038 0532 0604 0634 0635

PART

NO.

138200503

51570408B 54040402N 51570306B 51570306B 51570306B

51570306B 54050300R 51570306B 54050300R

54050300R 53110303E

51570306B

54050300R 281815401

284925701

257711803 282825702 284926501 284926502

284926506

257886102 257886103

250626506 951091101 Label, 282186102 951110103

245786104 951091102

51122608E 51100406S 51480406S

285011202

284912001 288686101 Label

282626901 54040402N 51100304S 56382540G

Clamper

P.H . Spri P.H. P.H. P.H .

P.

H.

T.l.

P.H . Tapt Screw T.l.

T.l.

Hexagon P.H. T.L.

Knob

Lid, Spacer

Lid

Indicator,

Indicator

Label,

For

Indicator,

Label,

T.H.M

B.H.M. Screw B.H.M. Shaft

Insulator

Protector Spring Washer B.H.M. Screw

Eyelet

Tapt

ng

Washer Tapt Tapt Tapt

Tapt

Washer OR x 2

Washer OR

Tapt

Washer OR

x 5

Do

U.S.A.

. Screw

Screw F

DESCRIPTION

x4

Screw x 2

x2 Screw x 6 Screw x 3 Screw x 8

x6 Screw x 7

Nut

Screw

Caution

Marking

Not

Use

x4

x8

4,

x

x 2

For For

on

as For For

For

x 3,

UL

Not

Remove Cover, For U.S.A.

See

Do

LL

NO, Caution, UL, CSA,

U.S.A.

U.S.

A.

U.S.A. CANADA

Bottom,

Handle CANADA CANADA U.S.A. CANADA

U.S.A.

I

16

PZOl

MZOl MZ02 JZOl JZ02

0521

0523

0423 0603 2737 0605 0121 0310 1026

YD2891007 ZZ2891

007

IN1006302

IN1006302 YP1000113 YP1000113

284930201 282705302 281810650 516404120 54040402N 53l10403E 275905701 51490410S 285010502

P.

W.

Board

P.W

. Board Assembly

Lamp Lamp Plug Plug

Dial Cover Bearing K Set Screw C. Spring Washer Hexagon Leg B.H .M. Screw F.S. Chassis

P.

Nut

0613 0614 0824 3137 3141 3142 1202

1209

3236

1217

1219 1221

1302

1303 1305 1306

4,

x

For For

U.S.A. U.S.A.

x

4,

1308 1309 1312 1313

51100306A 54050300R

51100306S B.H.M. Screw 288506450 52010420A

54080400R

284985101 284985601

288785108

288585107

281885104

257785450

284980105

284980106

284980102

284980112

289180301

288280303

901383033 901433533 1Polyethylen

B.H.M . Screw

T.l.

Washer OR

Case

K,

H. Head

T.l. Washer

Instructions

Schematic Diagram

Instructions Instructions

Instructions

Guarantee Card K

Packing

Pack

Pack Partitioner Partitioner Polyethylen

ing ing

Bolt

Case, Case, Case, Case,

RR

x 2,

x 2, Bag, Bag,

x 2 x 2 x2

x 4, x4

For

For For For For For For For For

CANADA

I

U.S.A. U.S.A.

CANADA

CANADA U.S.A. CANADA U.S.A. CANADA

I

REF.

DESIG

PART

.

NO.

DESC

RIPT ION

1314 1317 1319 1320 1323 1324 1332 1333 1334

901302501 102980401 273182101 281905601 952281501 952301512 ZA0200007 Z00200010 Z00120006

Polyethy Sleeve Silicagel Buffer Serial No Card

er

ial

No

S Ext.

Antenna Connective Connective

I

len

Card

Bag

Cord Cord

x 2

x2

x4, x

4, For

For

U.S.A . CANADA

17

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

"1'.

TECHNICAL

FM

SECTION

Tuning Frequency

I H FM Usable IHFMSelectivity

SPECIFICATIONS

Range

Sensitivity.

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

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

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

,.,

.........

.. . ..

..

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

....

. .

.

.....

...

88 - 108MHz

......

.. 3,011

Capture Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Impage Rejection Ratio at 1 06MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

to

Signal Signal Total Harmonic Toral Harmonic

Frequency Response (ref.

Stereo Separation

Noise Ratio (Mono) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB

to

Noise Ratio (Stereo) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55dB

Distortion Distortion

at

1 KHz

(Mono) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5%

(Stereo) . . .

7511

sec.

de-emphasis)

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

...

.......

..

.

. . . .

..

....

. . .

.....

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

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

.....

.

.....

..

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

. .

...

... ±2dB

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

..

.....

, 30Hz·15K

AM SECTION

Tuning Frequency

Usable Sensitivity

Selectivity

Image Rejection Ratio at

to

Signal

Noise Ratio

Frequency Response,

Total Harmonic

Range

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

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

1400KHz

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

-3dB

Distortion

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

.

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

.

...........

...

..

.........

down

..........

....

.....

. . . .

......

...

... ...

........

....

..

. .

..

... . .....

....

......

.......

_ . . . . . . . . . . . . . . . . . . . .

.....

. . . . . . .

. .

.....

....

. .

...

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

. . .

.........

..

...........

.. . ..

... . .....

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

........

. . . .

.. ......

540-1605 K

..

....

..

50 Hz-3.3

... ...

V

4

8dB 3dB

50dB

0.

8%

Hz

40dB

Hz

2511

V

. 20dB

40dB 45dB

KHz

..

1%

GENERAL

Power Requirements Power Consu

Dimensions -

mption

Panel Panel

-

Width

Height

-Depth

Weight -

Unit

along

- Packed

* These specifications and

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

.....

...

...........

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

for

Shipment

exterior

..........

...

designs

. .

....

..

...........

..

.....

..

.........

may

be

changed

..

....

.

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__

.

.....

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. .

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..

. _

.....

.

...

. .

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

for

improvement

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

...

..

...

.. _...

....

...........

. . .

with

out

..

. . .

..

...

_

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..

14-11/

. _ . . . . . . . . . 4

. . .

..

. 11-1/

. .

...

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. _

.....

advance notice.

.. _... . 17.6Ibs-SKg

..

. . .

..

120 V AC

50

...

. . . _ 15 Watts

64"-

23/

32"

-120

32"-2S0rnm

. 12.1I

bs-5.5Kg

to 60Hz

360

mm mm

18

~

7l'

-iii

-

MARANTZ

A

WHOllY-OWNED

CO.,

INC.·

SUBSIDIARY OF

P.O.

BOX

99·

•

SUPERSCOPE

SUN

INC.

VALLEY,

, SUN

CALIFORNIA·

VAllEY

, CALIFORNIA 91352

91352

28498550

4-0

Marantz 105-B Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual