Pioneer F-99X User manual

WY)

PIONEER’

CIRCUIT

DESCRIPTIONS

REPAIR

&

ADJUSTMENTS

are

ORDER

NO.

Tak

ARP-694-0

FM/AM

DIGITAL

SYNTHESIZER

TUNER

F-99X

@

Model

F-99X

comes

in

two

color

design,

black

and

silver.

MODEL

F-99X

COMES

IN

SIX

VERSIONS

DISTINGUISHED

AS

FOLLOWS:

Voltage

Remarks

AC120V

only

U.S.A.

model

AC220V,

240V

(switchable)

European

continent

model

AC220V,

240V

(switchable)

United

Kingdom

model

AC110V,

120V,

220V,

240V

(switchable)

General

export

model

AC110V,

120V,

220V,

240V

(switchable)

U.S,

Military

model

AC220V,

240V

(switchable)

West

Germany

model

e@

This

service

manual

is

applicable

to

the

KU

type.

For

servicing

of

the

HE,

HB,

S,

S/G

and

HEZ

types,

please

refer

to

the

additional

service

manual.

@

Ce

manuel

d’instruction

se

refére

au

mode

de

réglage,

en

francais.

@

Este

manual

de

servicio

trata

del

método

de

ajuste

escrito

en

espaiiol.

CONTENTS

1.

SPECIFICATIONS

.........

000.00

e

eee

ee

2

7.

P.C.

BOARDS

CONNECTION

DIAGRAM

....

19

“RQONT

PANEL

FACILITIES...............

3

8.

SCHEMATIC

DIAGRAM.................

21

3...

TSLOCATION.

.........-0022

0

eee

4

9,

BLOCK

DIAGRAM

........

0.0.00

e

eee

25

4.

EXPLODED

VIEW

AND

PARTS

LIST.........

5

10.

CIRCUIT

DESCRIPTIONS................

27

5,

ELECTRICAL

PARTS

LIST.

...........0005

6

14.

PACKING

fc8

05

Sid

ee

rae

4

28

6.

ADJUSTMENTS

........

0.000

cee

eee

9

12.

SAFETY

INFORMATION

..............0.

29

REGLAGE..

eke

ating

Beek

eRe

Be

oee

12

WRIUSTE

eaten

niet

6

a

Re

FR

OPA,

15

PION

EER

ELECTRONIC

CORPORATION

2...

Meguro

1-Chorne,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

(USA)

INC.

P.O.

Box

1760,

Long

Beach,

California

30801

U.S.A.

:

TEL:

(B00)

421-1404,

(B00)

237-0424

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Keetbergiaan

1,2740

Beveren,

Belgium

TEL:

03/775-28:08

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[O3)

580-9911

FA

©

FEB. 1985

Printed

in

Jo.an

1.

SPECIFICATIONS

FM

Tuner

Section

Frequency

range

{except

S

and

S/G

models)

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

87.5MHz

to

108MHz

(S

and

S/G

models)

......

88MHz

to

108MHz

Usable

Sensitivity

NARROW.....--

10.8dBf,

[HF

(0.95

npV/75Q)

50dB

Quieting

Sensitivity

(KU

model)

..........

NARROW.

.Mono;

12.8dBf,

[HF

(1.2

uwV/75Q2)

Stereo;

34.8

dBf,

IHF

(15

wV/7522)

50dB

Quieting

Sensitivity

(except

KU

model)

....

NARROW.

.Mono;

15.3dBf,

IHF

(1.6

»V/7522)

Stereo;

35.9dBf,

IHF

(17

nV/75Q)

Sensitivity

(DIN)

NARROW

ccee

cece:

Mono;

0.75

pV/7522

Stereo;

20

wV/75Q

..

Mono;

94dB

(at

80dBf)

Stereo;

87dB

(at

80dBf)

Signal-to-Noise

Ratio

(DIN)

.......

Mono;

76dB

Stereo;

73dB

Signal-to-Noise

Ratio

.

Distortion

(at

80dBf)

WIDE

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

Mono;

0.015%

(100Hz)

0.0095%

(1kHz)

0.02%

(6kHz)

Stereo;

0.02%

(100Hz)

0.02%

(1kHz)

0.07%

(10kHz)

NARROW

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

Mono;

0.09%

(1kHz)

Stereo;

0.5%

(1kHz)

Capture

Ratio..............0.0.

0.8dB

(WIDE)

Alternate

Channel

Selectivity

...............-.

NAR

ROW

ola

bes

SP

BODY

od

ae

ete

as

DNL

al

ty:

85dB

(400kHz)

Stereo

Separation

WD

Beis

Suto

$48

dodene

vee

pe

aanes

65dB

(1kHz)

55dB

(20Hz

to

10kHz)

Frequency

Response

..

eee

dB

(20Hz

to

15kHz)

Image

Response

Ratio

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

70dB

iF

Response

Ratio

..............2-205-

100dB

AM

Suppression

Ratio

...............--

70dB

Spurious

Response

Ratio

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

80dB

Subcarrier

Product

Ratio

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

60dB

Muting

Threshold

.........

25.2dBf

(5

wV/7522)

Antenna

Input

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

75Q.

unbalanced

AM

Tuner

Section

Frequency

range

(except

HB

model).

.530kHz

to

1

600kHz

(HB

model)

......

531kHz

to

1602kHz

Sensitivity

(IHF,

Loop

antenna)......

150

npV/m

Selectivity

s

2.2:

6.04

ye

beaa8

we

chal

aaa

add

tee

lowered

18

dB

Signal-to-Noise

Ratio

..............000.

50dB

Image

Response

Ratio

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

40dB

IF

Response

Ratio

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

0.00000.

60dB

Antenianis

tina

eiakwedan

tte

en

Loop

Antenna

Audio

Section

Output

(Level/Impedance)

FM

(100%

MOD)

FIXED......

650mV/90022

AM

(30%

MOD)

FIXED.......

150mV/90022

Miscellaneous

Power

Requirements

HE

model.........

a.c.

220Volts

~,

50/60Hz

HB

model.........

a.c.

240

Volts

~,

50/60Hz

KU

and

KC

models..........

AC

120V,

60Hz

S,

SS

and

S/G

models

..........000

0c

ee

eee

AC

110/120/220/240V

(switchable)

50/60Hz

Power

Consumption

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

eee

20W

Dimensions.....

457(W)

x

63.5(H)

x

312(D}mm

18(W)

x

2-1/2(H)

x

12-5/16

in

Weight

(without

package)

.....

4.5kg

(9

Ib

1502)

Furnished

Parts

FM

T-type

Antenna

........

00...

eee

1

AM

Loop

Antenna

.........

0.0.0:

ee

1

Connection

Cord

with

Plugs.............

1

Adaptor

Plug

........

00.

eee

ee

ees

1

Wood-Grain

Side

Panel

.............0200005

2

Operating

Instructions

..........

0.00200

eee

1

NOTE:

Specifications

and

design

subject

to

possible

modification

without

notice.

2.

FRONT

PANEL

FACILITIES

@

Proneen

srancre

cate

eMasans

a

syNTHeszea

tuner

=

Fifi

=

ps

ase

eo

a

aa

|

Seiad

(aeeene

ey

aS

a:

pis

—

Af

PROSE

|

Tae

ray

i

pass

ce

rs

sonar

I

Sear

:

ave

i

(14)

POWER

switch

When

this

switch

is

set

to

the

ON

position,

the

POWER

in-

dicator

lights

up,

and

power

is

supplied

to

the

tuner’s

main

circuits.

The

unit’s

POWER

switch

is

geared

to

selecting

the

transformer’s

secondary

and

so

even

at

the

STAND-BY

posi-

tion,

the

unit’s

circuitry

will

work

as

long

as

the

power

cord

is

connected

to

power

outlet.

Disconnect

the

power

cord

from

the

power

outlet

when

you

do

not

plan

to

use

the

unit

for

a

long

period

of

time.

(2)

POWER

indicator

(3)

FUNCTION

switches

These

are

used

to

select

either

the

FM

or

AM

broadcasting

bands.

FM:

Push

to

receive

FM

band

broadcasts.

_

AM:

Push

to

receive

AM

band

broadcasts.

(@)

Frequency

display

This

shows

the

frequency

of

the

station

currently

being

received

in

digital

form.The

FM

band

is

indicated

by

MHz,

and

the

AM

band

by

kHz.

()

SIGNAL

indicator

This

indicates

the

strength

of

the

signal

received.

Adjust

antenna

orientation,

etc.

so

that

a

maximum

of

the

indicator

elements

light

up.

6)

FM

NARROW

indicator

This

light

to

indicate

FM

reception

in

the

narrow

mode.

@)

FM

STEREO

indicator

This

lights

when

a

stereo

program

has

been

picked

up

during

an

FM

broadcast.

TUNING

switch

These

are

used

to

locate

stations.

Push

the

left

half

of

this

switch

“<’'

to

locate

a

station

broadcasting

on

a

lower

fre-

quency

and

the

right

half

of

this

switch

‘’>”

to

locate

a

sta-

tion

broadcasting

on

a

higher

frequency.

(9)

MEMORY

switch/indicator

This

is

used

to

memorize

stations.

When

the

switch

is

depressed,

the

MEMORY

indicator

will

light.

To

memorize

the

frequency

of

any

station,

press

the

STATION

CALL

switch

while

the

MEMORY

indicator

is

lighting

up.

40)

MANUAL

SEARCH/MUTE-OFF

switch/indicator

This

switch

is

used

to

select

either

AUTO

or

MANUAL

tun-

ing.

For

MANUAL

tuning,

press

the

switch;

the

indicator

will

light.

The

MUTE

function

is

OFF

during

MANUAL

tuning.

If

the

signal

from

a

station

is

comparatively

weak,

or

if

the

sta-

tion

is

some

distance

away,

reception

may

not

be

possible

using

AUTO

tuning.

In

such

cases,

the

use

of

MANUAL

tun-

ing

is

recommended.

MUTING

Muting

is

incorporated

to

eliminate

FM

inter-station

noise

that

can

be

heard

when

a

station

is

not

tuned

in

accurately.

lt

may

not

be

possible

to

tune

in

the

desired

station

when

the

muting

circuit

is

activated

if

the

signal

is

weak

orif

the

station

itself

is

distant.

If

so,

perform

tuning

without

using

muting.

Muting

does

not

function

for

AM

reception.

@)

FM

WIDE

switch/indicator

This

switch

is

used

to

change

the

FM

reception

mode

_be-

tween

WIDE

and

NARROW.

When

pressed,

the

indicator

lights,

and

FM

reception

is

set

to

WIDE.

FM

WIDE:

Permits

high

quality,

low

distor-

tion

FM

reception.

FM

NARROW:

Use

if

interference

from

neighbor-

ing

stations

is

present

during

FM

reception.

42

STATION

MODE

switch/indicator

This

switch

is

used

to

set

the

STATION

CALL

switches

to

Mode

1

{1

—

8)

or

Mode

2

(9

—

16).

Mode

2

(9

—

16)is

ob-

tained

when

the

switch

is

pressed

and

the

indicator

is

fit.

NOTE:

Changing

the

position

of

this

switch

has

no

effect

on

tuner

peform-

ance

itself.

43

STATION

CALL

switches/indicators

Use

for

presetting

of

desired

stations

and

for

receptom

of

preset

stations.

These

STATION

CALL

switches

can

beu

sed

to

preset

a

total

of

16

AM

and

FM

stations.

3.

PARTS

LOCATION

NOTES:

e

The

A,

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designation.

e

For

your

Parts

Stock

Control,

the

fast

moving

items

are

indicated

with

the

marks

*

and

*.

*&%*

GENERALLY

MOVES

FASTER

THAN

*

This

classification

shall

be

adjusted

by

each

distributor

because

it

depends

on

model

Front

Panel

View

number,

temperature,

humidity,

etc.

Push

knob

(MEM)

AAD-881

Bonnet

case

assembly

ANE-537

Push

knob

A

(POWER)

Push

knob

(FM

WIDE)

AAD-842

AAY-121

Front

panel

assembly

ANM-876

Pre-set

knob

bl

Push

knob

(FM)

re-set

knob

assembly

AAD-879

Push

knob

(AM)

Push

knob

(ST.

CA)

AAD-880

AAY-122

knob

(TUNING)

Push

knob

(MAN)

AAD-885

AAY-120

Front

View

with

Panel

Removed

*

LED

(FM

STEREO)

AEL-445

*

LED

(FM

NARROW)

AEL-388

*

LED

*

LED

(SIGNAL)

AEL-383

*

LED

*

LED

(POWER)

AEL-388

AEL-386

LED

assembly

A

*

*&

Tact

switch

GWY-225

ASG-705

*&

&

Tact

switch

e

&Bch

Beaeh

ASG-705

*

ush

switc

SEA8V2225

Top

View

A\

#&%&

Push

switch

(POWER)

ASG-547

KKIC

TC9157AP

KKIC

TD6301AP

Tuner

assembly

GWM-417

/A\

®

Power

transformer

ATS-185

kkIC

Rear

Panel

View

P

A500?

Terminal

(AMSTEREO

OUT)

AKB-097

Terminal

{OUTPUT}

KB-

F-type

connector

(FM

ANT)

eis

AKX-081

r

7

A

Power

cord

Terminal

(AM

ANT)

ADG-073

AKE-060

4.

EXPLODED

VIEW

AND

PARTS

LIST

Parts

List

Mark

No.

Ot

WN

16.

7s

18.

19.

20.

Part

No.

ANE-537

AAD-842

ANM-876

AAD-879

AAD-880

AAD-885

AAD-881

AAY-120

AAY-121

AAY-122

ABH-095

PTZ26PO60FMC

ABG-003

BBZ30P080FZK

VMZ30PO060FMC

AEP-280

AEP-211

ADG-073

AEC-743

GWY-225

NOTES:

e

Parts

without

part

number

cannot

be

supplied.

e

The

A

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designation.

e

For

your

Parts

marks

*

and

*.

*%*&

GENERALLY

MOVES

FASTER

THAN

*

This

classification

shall

be

adjusted

by

each

distributor

because

it

depends

on

nodel

number,

temperature,

humidity,

etc.

Description

Bonnet

case

assemb!y

Push

knob

A

(POWER)

Front

panel

assembly

Push

knob

(FM}

Push

knob

(AM)

Knob

(TUNING)

Push

knob

(MEM)

Push

knob

(MAN)

Push

knob

(FM

WIDE)

Push

knob

(ST,

CA)

Spring

Screw

Leg

assembly

rivet

Power

cord

Flexible

ring

LED

assembly

A

Mark

A

*

No.

21.

22.

23.

24.

80.

81.

82.

83.

84.

85.

86.

87.

88.

89.

90.

Part

No.

GWM-417

ATS-185

BBT30PO080FZK

AEB-278

Stock

Control,

the

fast

moving

items

are

indicated

with

the

Description

Tuner

assembly

Power

transformer

Screw

Rubber

LED

assembly

B

Switch

assembly

Chassis

Rear

Panel

Transformer

frame

Front

stay

Power

assembly

Print

spacer

Spacer

Display

cover

Spacer

oh

5.

ELECTRICAL

PARTS

LIST

NOTES:

Miscellaneous

Parts

Mark

Ao

Symbol

&

Description

T801

C46

Tuner

assembly

LED

assembly

A

LED

assembly

B

Switch

assembly

Power

assembly

Power

transformer

Power

cord

Tunner

Assembly

(GWM-417)

SEMICONDUCTORS

Mark

Symbol

&

Description

&*

10101,

10102

**

10103

wk

10201

*k*

10401

kk

10402

*&*&

10403

we

10404

**

10501

*&*

10502

*&*

10503

kk

10504

kk

Q1

kk

O2

*&*

Q3,0101,

Q301

—

0304,

A205

Q4

*k*

O5,06

When

ordering

resistors,

first

convert

resistance

values

into

code

form

as

shown

in

the

following

examples.

Ex.

1

When

there

are

2

effective

digits

(any

digit

apart

from

0),

such

as

560

ohm

and

47k

ohm

(tolerance

is

shown

by

J=5%,

and

K=10%

).

5602

56

x

10'

BOL

so5

snc

RD%PS

BM

J

47RQ

47

x

10°

473......

RD‘“PS

AMG)

J

0.52.

OR

Beri

5

8

wile

eign

Bess

RN2H

ORG

K

12

O10!

one

Bi

ene

Mew’

Rane

las

RS1IP

OW

K

Ex.

2

When

there

are

3

effective

digits

(such

as

in

high

precision

metal

film

resistors).

5.62k2

562

x

10!

5621

....

RN%SR

BAM

F

The

/\

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designation.

For

your

Parts

Stock

Control,

the

fast

moving

items

are

indicated

with

the

marks

**

and

*

.

*x%*

GENERALLY

MOVES

FASTER

THAN

*

This

classification

shall

be

adjusted

by

each

distributor

because

it

depends

on

model

number,

temperature,

humidity,

etc.

Mark

Symbol

&

Description

Part

No.

Part

No.

*&%*%

0201,

0403,

0404,

0503, A604,

2SK246

in

en

Fo

Q608

CUMS

ke

0204,

206,

0407, 0402, 0502,

—

28C2603

eye

0504

—

Q508,

0510,

0511,

0514

—

Non

supply

0516,

0518,

0521,

0602,

0603,

Non

supply

Q606,

0607

Non

supply

*&*

0501,

0509,

0513

2SA1115

Bierlee

ke

0512

2SB560

ADE

01S

A\

ee

0601,

A605

2SB834

CKDYF103Z50

*

D1

KV1320A

*

D5

RD7.5EB

*

D6,D101,0103

—

D109,

D401

181555

D501

—

D504,

D506

—

D511,

D513,

Part

No

0516,

D519

—

D523,

D526,

D527,

:

D530,

D601,

D603,

D604,

D619

uPC1163H

PA5008

*

D102

1SS85

LA1247

*

D201

KV

1226

PA5006

*

D403,

D607

—

DEO

KZL083

uPC4050BC

*

D505,

D518

AEL-437

PA5007

*

D602

KZLO61

M5218P

*&

D605

RD5.1EB

TD6301AP

*

D606

RD3.3EB

TD6104P

m

*

D612

RD15EB

TC9157AP

4S

yw

D613

—

D618

10DFZF

uPD4001BC

*

=TH101,

TH401

TH103-2

POO1

2SK161

2SC2668

28K241

2SC2786

TRANSFORMERS,

COILS

AND

FILTERS

Mark

Symbol

&

Description

T1

FM

RF

transformer

T2

FM

IF

transformer

T3

FM

balun

transformer

7101,

7102

FM

coupling

transformer

T103

FM

detector

transformer

T201

AM

antenna

transformer

T301

FM

coupling

transformer

T302

FM

coupling

transformer

ui

FM

ANT

coil

L2

Inductor

L3

FM

trancking

coil

L4

FM

OSC

coil

L5

FM

RF

coil

L101

—L106

Inductor

L107,

L301

—

L302

Inductor

L201

Inductor

L304,

L305

Inductor

L306

Inductor

L202

AM

OSC

coil

L203

AM

DET

coil

L401

19kHz

coil

L402

38kHz

coil

L403,

L303

tnductor

L405

42kHz

trap

coil

F105

FM

ceramic

filter

F102,

F103,

F106

—

F109

FM

ceramic

filter

F104,

F101

FM

ceramic

filter

F201

AM

ceramic

filter

CAPACITORS

Mark

Symbol

&

Description

TC1—

TC3

Ceramic

trimmer

7C201,

TC202

Ceramic

trimmer

C447

(390p/50V)

C1

—

C3,

C27,

C33,

C34,

C41,

C43,

c€45,

C102,

C112,C118,

C306,

C456,

C529

(0.01/25V)

€39,

C101,

C103,

C105,

C106,

C111,

0113,

C115,

C120,

C121,

C302

—

C305,

C312,

C313,

C319,

C402,

c408

—

C410, C414,

C3418

C301,

C304

(0.047/25V)

cg,

C18

C28,

C35,

C36,

C233

C132,

C133

C449

c20

Part

No.

ATC-204

ATE-066

ATC-218

ATE-063

ATE-060

ATB8-087

ATE-061

ATE-062

ATC-224

ATH-093

ATC-223

ATC-077

ATC-205

ATH-090

ATH-049

ATH-050

ATH-092

ATH-077

ATB-073

ATB-091

ATM-028

ATM-026

ATH-098

ATM-027

ATF-107

ATF-139

ATF-119

ATF-138

Part

No.

ACM-018

ACM-019

ACG-023

ACG-036

ACG-037

ACG-038

CCDCHO010C50

CCDCHO030C50

CCDCH050C50

CCDCH120J50

CCDCH150J50

Mark

Symbol

&

Description

C457

C507,

C508

C308

C21,

C315

C6

C316

C37,

C38

c4,C5

C12,C13,C15,

C16

C24

C310,

C606,

C533,

C534

C23

C126,

C127,

C309,

C516

C14

C22

C204

C17

C413

C425,

C426

C222,

C225

C502

C201, C206,

C509,

C513

—

C515

C520, C527,

C528

C446

Part

No.

CCDCHO80D50

CCDCH180J50

CCDCH220J50

CCDCH330150

CCDCH470J50

CCDCH820J50

CCDRH101J50

CCDSHO50C50

CCDSH150J50

CCDSH120J50

CCDSL101J50

CCDSH330J50

CCDSL181J50

CCDSL820J50

CCDTHO80D50

CCDUJ100D50

CCPCH150J50

CCPCH330J50

CEXANP3R3M50

CQMA473J50

CEAR47M50L

CEAO10MS50L

CEA1R5M50L

C116, C207,

C302, C405,

C445,

C451,CEA100M50L

C452,

C519

C501

C26,

C455

CEA101M35L

CEA2R2MS0L

C122,

C411,

C415, C443, C453,

C504,

CEA220M25L

C604

C30

C611

C420

C505

€212,C216

C130,

C215,

C217, C517,

C518

C129,

C412,

C422,

C602

C610

C448

C401,

C454

CEA221M16L

CEA221M50L

CEYA222M16

CEA222M6L

CEA330M16L

CEA4R7M50L

CEA470M

10L

CEA47M35L

CEA6R8M50L

CEYA102M16

C431,

C432,

C439, C440, C441,

C442

CEXA4R7M50

C612

C608

C321

C607

C421,

C609

C605

C420

C210,

C219,

C307

C7

—

C11, C19,

C31,

C32,

C40,

C42,

CEXA470M25

CEY

A222M16

CCDSL470J50

CEA102M35L

CEA222M16L

CEYA101M50

CEYA222M16

CKDYB102K50

CKDYF103Z50

C44,

C123

—

C125, C206,

C209,

C213,

C218, C229, C512,

C532

C123

—

C125,

C206,

C209,

C213,

C218,

C512,

C531

CKDYF

103250

C25,

C29,

C107

—

C109,

C117,

C220,

CKDYF

223250

Mark

Symbol

&

Description

Part

No.

OTHERS

C227,

C228, C231,

C232,

C311,

C510

Mark

Symbol

&

Description

Part

No.

C202,

C203, C211,

C214,

C230,

C506

CKDYF473250

X501

Crystal

resonator

ASS-025

C104,

C114,

C119,

C128

CKDYX473M25

X301

Crystal

resonator

ASS-026

C110,

C208,

C511,

C530

CKPYX103N25

x201

Ceramic

resonator

ATF-125

€221,

C503

CQMA103J50

Terminal

(AMSTEREO

AKB-097

OUT)

C222,

C225

CQMA473J550

C429,

C430

COPA103150

Terminal

(OUTPUT)

AKB-119

(CQSA103J50)

Terminal

{AM

ANT)

AKE-060

C427,

C428

CQSA102J50

F-type

connector

{FM

AKX-081

C317

CQSA121J50

ANT)

.

Screw

PBZ30PO060FMC

C318

CQSA151J50

C407,

C416

CQSA152J50

C437,

C438

CQSA182J50

C423,

C424

COSA222J50

LED

Assembly

A

(GWY-225)

C433,

C434

CQSA272J50

SEMICONDUCTORS

Mark

Symbol

&

D:

ipti

t

No.

C406,

C417

COSA332J50

sais

pis

bilan

paste

C205

CQSA431J50

*

D703—D705,D708—~

D711

LED

AEL-383

C435,

C436

CQSA472J50

*

D702

LED

AEL-386

C450

CQSA682J50

*

D706,D714—D721

LED

AEL-388

C444

CQSA821J50

*

D707

LED

AEL-455

*

D713

181555

C603

CQSXA101J160

SWITCHES

Mark

ipti

RESISTORS

ar’

Symbol

&

Description

Part

No.

NOTE:

When

ordering

resistors,

convert

the

resistance

value

**

S601

—

S605,

$607

—

S614

ASG-705

into

code

form,

and

then

rewrite

the

part

no.

as

before.

Tact

switch

**

S606

Push

switch

SEA8V222S

Mark

Symbol

&

Description

Part

No.

*&

VR101

Semi-fixed

VRTB6VS103

RESISTORS

*

VR401

Semi-fixed

VRTB6VS222

NOTE:

When

ordering

resistors,

convert

the

resistance

value

%*

VR405

Semi-fixed

VRTB6VS223

into

code

form,

and

then

rewrite

the

part

no.

as

before.

%*

VR402

—

VR404

Semi-fixed

VRTS6VS222

'

‘

Mark

b

D

ti

R453

Carbon

composition

ACN-145

:

a

2am

ore:

Descriptor

Part

No.

R701

—

R707

RD1/4PM

OJ

A

R238

RS2LMF221J

A

R606

RD1/2PM102J

LED

Assembly

B

R28,

R123

RD1/2PM

OODJ

Mark

Symbol

&

Description

Part

No.

R402,

R403,

R424,

R425,

R450,

RN1/4POQ

OOOF

es

R601,

R602

*

D701

LED

AEL-444

R20,

R27,

R102

—

R117,

R119

—

RD1/8PM

ODOJ

R708

—

R711

RD1/8PM820J5

R122,

R124

—

R126,

R128

—

R137,

Switch

Assembly

R304,

R307,

R309

—

R311,

R316,

Mark

Symbol

&

Description

Part

No.

R455,

R513

—

R534,

R542,

R543,

—

R546

—

R548, R575,

R589,

R590,

A

*&*%

S615

Push

switch

(POWER)

ASG-547

R595,

R6O3, R604,

R608

—

R611

Power

Assembly

Other

resistors

RD1/4PM

OO0J

Mark

Symbol

&

Description

Part

No.

.

A

R901

ACN-209

6.

ADJUSTMENTS

AM

Section

Adjustments

@

Wire

as

shown

in

Fig.

6-1.

@®

Set

the

AM

key

to

ON,

AM

SG

F-93X

(400Hz,

30%

modulation)

frequency

Frequency

|

Level

indication

Adjustments

Adjustment

point

Standard

No

signal

530kHz

L202

Adjust

so

that

the

voltage

between

terminal

16

and

ground

is

2V

(+0.3V).

1,600kHz

Repeat

steps

1

and

2

until

both

ground

voltage

standards

are

satisfied.

TC202

Adjust

so

that

the

voltage

between

terminal

16

and

ground

is

24.5V

(+0.2V).

600kHz

|

50

—

80dB

|

600kHz

T201

1,400kHz

|

50

—

80dB

1,400kHz

TC201

Maximize

the

voltage

between

terminal

11

and

ground.

Repeat

steps

4

and

5

until

the

maximum

voltage

standard

is

satisfied

in

both

steps.

FM

Section

Adjustment

@

Wire

as

shown

in

Fig.

6-2.

@

Set

the

FM

key

to

ON,

the

FM-WIDE

keys

to

OFF.

Step

FM

SG

F-99X

(400Hz,

+

75kHz

deviation)

frequency

Frequency

indication

Level

No

signal

108MHz

Adjustment

point

L4

Standard

Adjust

so

that

the

voltage

between

terminal

16

and

ground

is

24.5V

(+0.2V).

87.5MHz

Confirm

that

the

voltage

between

terminal

16

and

ground

is

8V

(£0.5V).

9O0MHz

|

40dB

90MHz

L1,71,L5

106MHz

40dB

106MHz

TC1-3

Maximize

the

voltage

between

terminal

22

and

ground.

4

Repeat

steps

3

and

4

until

the

voitage

at

terminal

11

is

as

high

as

possible.

Set

the

FM-WIDE

keys

to

on

and

the

muting

key

to

on.

98MHz

40dB

98MHz

T2,

7101,

T102

Adjust

so

that

the

voltage

between

termina!

22

and

grounc#

is

maximized.

98MHz

40dB

98MHz

T103

98MHz

40dB

98MHz

VR401

Adjust

so

that

the

DC

voltage

between

terminals

12

and|@

is

zero,

Adjust

so

that

the

DC

voltage

between

terminals

8

and

Jis

zero.

98MHz

Pitot

:

98MHz

modulation

VR405,

L401

AM

antenna

terminal

Output

terminal

AM

loop

antenna

Digital

voltmeter

Repeatedly

adjust

until

the

carrier

leak

output

is

as

smalas

possible.

Oscilloscope

AC

voltmeter

Fig.

6-1

AM

adjustment

wiring

diagram

MPX

Section

Adjustments

@

Set

the

FM

key

to

ON,

the

FM-WIDE

key

to

ON

(WIDE),

the

MANUAL/MUTE

OFF

key

to

OFF.

®

Set

the

FM

SG

modulation

mode

to

the

EXT

mode

and

connect

the

MPX

SG

to

the

FM

SG

EXT

mode

terminal.

@

Set

the

FM

SG

output

to

98MHz

(precisely)

and

then

set

the

tuned

frequency

of

the

F-99X

to

98MHz.

Adjustments

iMPX

SG

moduiation

mode

FM

SG

level

=

Adjustment

point

Standard

Adjust

so

that

the

output

frequency

between

terminal

10

and

i

t

off

VR404

Mogilanenautpur

a

ground

is

38kHz

(+100Hz).

rot

ante

Standard

stereo

modulation

T2,

7101,

T102

Adjust

so

that

distortion

at

the

output

terminal

is

minimized,

ei

Standard

stereo

modulation,

vR402

Adjust

so

that

the

R

channel

output

at

the

output

terminal

is

main

signal

on

L

minimized.

Standard

stereo

modulation,

VR403

Adjust

so

that

the

L

channel

output

at

the

output

terminal

is

main

signal

on

R

minimized.

Balance

and

minimize

the

19kHz

Jeak

for

both

the

L

and

R

Pilot

signal

(19kHz)

onl

VR405

llorsigna:(

zhonly

channels

at

the

output

terminal.

Set

the

FM

and

IF-WIDE

keys

to

off.

Standard

stereo

modulation

Adjust

to

the

point

just

before

muting

is

applied.

Note:

Standard

stereo

modulation

is

1kKHz

(L+R)

+

67.5kHz

devi.

for

the

main

signal

and

+

7.5kHz

devi.

for

the

pilot

signal

(19kHz).

Frequency

counter

+5

SSS

=

Digital

voltmeter

1 1

(

1

' 1

!

t

Oscilloscope

i

fl

AC

voitmeter

300

ohms

dummy

FM

75-ohm

antenna

terminal

Output

terminal

(with

matching

unit)

Fig.

6-2

FM

adjustment

wiring

diagram

Frequency

counter

Oscilloscope

AC

voltmeter

Distortion

meter

300

ohms

dummy

FM

75-ohm

antenna

terminal

Output

terminal

(with

consolidator)

Fig.

6-3

FM

MPX

adjustment

wiring

diagram

Pioneer F-99X User manual

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