Panasonic RQ-V175 User manual

Stereo

Radio

Cassette

Player

;

i

2

a

V

M@

SPECIFICATIONS

General:

Power

Requirement:

Power

Output:

Input:

Output:

Dimensions:

Weight:

Battery,

3V

(Two

UM-3,

R6/LR6

batteries)

AC;

with

optional

AC

adaptor

RP-AC33

40mW

(20mMWx2)---RMS

(max.)

DC

IN;

3V

(3.4)

Headphones;

350,

63.5

83.2(W)x116.9(H)x34.3(D)mm

Main

Unit;

247g

without

batteries

Headphones:

58g

with

cord

Badio

Section:

Radio

Frequency

Range:

Intermediate

Frequency:

Sensitivity:

Tape

Deck

Section:

Frequency

Response:

Tape

Speed:

Program

Time:

Track

System:

ORDER

NO.

TD89070349C2

ervice

Manual

Radio

Cassette

RQ-V175

Color

|

(Kjseecsie:

Black

Type

|

Area

ecuney

|

Tecan

|

Country

|

Code

Areas

Color

!

[E]

Continental

Europe.

|

a

|

7

4

|

[E1]

_

Italy,

|

FM

87.5

-108MHz

AM

520

-

1610kHz

FM

10.7MHz

AM

459kHz.---[E]Jonly

455kHz:---[Eljonly

FM

3.6«V/0.5mW

output

(—3dB

Limit,

Sens)

AM:

4472V/m/0.1mMW

output

30

~

18000Hz

(Normal,

Metal/CrO.)

4.8cm/s

1

hour

with

C-60

cassette

tape

4-track,

2-channel.

stereo

playback

Design

and

specifications

are

subject

to

change

without

notice.

Panasonic

Matsushita

Electric

Industrial

Co.,

Ltd.

Central

P.O.

Box

288,

Osaka

530-91,

Japan

LOCATION

OF

CONTROLS

AND

COMPONENTS

oO

>

(

NO

G

rr

\A

@

Playback

Button

(4

PLAY)

@

Fast

Buttons

(

#-

Y

FAST)

€

Stop

Button

(™@

STOP)

©

Direction

Selector

(DIR)

@

Function

Selector

(SELECTOR)

@

Tape

Selector

(TAPE)

@

Headphones

Jack(,

,)

352,

¢3.5

@

Volume

Control

(VOLUME)

©

Band

Selector

(BAND)

@

Tuning

Control

(TUNING)

@

‘Dolby

Noise

Reduction

Switch/FM

Sensitivity

Selector

(DOLBY

NR/FM

SENS)

(bottom)

@®

FM

Stereo

Indicator

(FM

ST)

®

XBS

Switch

(XBS)

@

Graphic

Equalizer

Controls

®

DC

Input

Jack

(DC

IN3

VO)

@®

Clip

Receptacle

@

Battery

Compartment

‘Dolby

noise

reduction

manufactured

under

license

from

Dolby

Laboratories

Licensing

Corporation.

“DOLBY”

and

the

double-D

symbo!

QO

are

trademarks

of

Dolby

Laboratories

Licensing

Corporation.

DISASSEMBLY

INSTRUCTIONS

Cassette

Lid

Screwdriver

@Removal

the

Cassette

Lid

1.Open

the

cassette

lid.

2.Remove

the

cassette

lid

by

pressing

its

rib

with

the

tip

of

a(+)screwdriver.

(Fig.

1).

3.Pusn

the

cassette

lid

in

the

direction

of

arrow

(1).

and

disconnect

the

inside

boss.

(Fig.

2)

4.Remove

the

spring

(A)

X1.

(Fig.

2)

MHow

to

Replace

the

Cassette

Lid

Spring

1.Fit

Part

@

on

the

shaft

of

the

front

cabinet.

2.Insert

part

in

the

hole

in

the

cassette

lid.

3.Fit

the

boss

©

in

the

cassette

lid.

Cassette

Lid

Spring

Cassette

Lid

Front

Cabinet

Fig.

3

:

Fig.

4

mRemoval

of

the

Rear

Cabinet

(Fig.

4)

1.Remove

the.

belt

clip

(B)x

1.

2.Remove

the

screws

(C)

(2x

10)mm

x

2.

m

Removal

of

the

Cassette

Holder

&

Graphic

Fig.

6

Equalizer

PC

board.

(Fig.

6).

1.Remove

the

Screws

(K)

(1.4

3.5)mm

X4.

2.Remove

the

Graphic

Equalizer

PC

board

in

the

direction

of

arrow

4.

Guideway

end

Dial

Pointer

Fig.

8

front

end

(B)

RQ-V175

(F)

DIAL

CHASSIS

POINTS

Fig.

5

(J)

m

Removal

of

Dial

Chassis

and

Circuit

Board

(Fig.

5)

1.Remove

the

screw

(D)

(1.7

X

5)X1.

2.Disconnect

the

two

solder

(E).(F).

3.

Remove

the

dial

chassis

in

the

direction

of

arrow

Pe

ake

4.Remove

the

solder

(G).

(H).

(1).

(J)

form

flexible

PC

board.

Fig.

7

mw

Removal

of

the

Front

Cabinet

and

Mechanism

(Fig.

7).

1.Remove

the

screws

(L)(1.7

*

4.5)mm

X

2.

Remove

the

front

cabinet

&

mechanism

in

the

direction

of

arrow

‘5.

[To

Removal

of

Tuning

Gear

Note:

The

pointer

have

to

be

inserted

first

before

1

installing

Tuning

Knab.

_Firstable

turn

the

tuning

shaft

of

the

variable

capacitor

counter

clockwise,

to

the

end.

2.Insert

the

end

of

the

pointer

into

the

chassis’

pointer

guidewag.

3.

Then

put

the

center

part

of

pointer

under

Rib

“A”

-

4.

Turn

the

pointer’s

front

end

to

contact

Rib

“B”

in

which

it

is

the

start

point

(Fig.8).

RQ-V175

MEASUREMENTS

AND

ADJUSTMENTS

<RADIO>

@

ALIGNMENT

INSTRUCTIONS

READ

CAREFULLY

BEFORE

ATTEMPTING

ALIGNMENT

.

Set

XBS"selector

switch

to

OFF.

.

Set

power

source

to:3

V

DC.

Output

of

signal

generator

should

be

no

higher

than

necessary

to

obtain

an

output

reading.

1.

Set

volume

control

to

maximum.

2.

Set

function

select

switch

to

RADIO.

3.

Set

band

select

switch

to

FM

STEREO.

4.

Set

FM

sense

select

switch

to

DX.

@

ANM-IF

ALIGNMENT

SIGNAL

GENERATOR

or

SWEEP

GENERATOR

CONNECTIONS

FREQUENCY

EQUIPMENT

ELECTRONIC

AC

VOLTMETER

or

OSCILLOSCOPE

Headphones

Jack

ALIGNMENT

POINT

(Shown

in

Fig.

1.)

RADIO

DIAL

SETTING

REMARKS

Fashion

a

loop

of

eet

oa

E

!

:

a

Point

of

non-

(352)

several

turns

of

wire

30%

Mod

y

interference.

Fabricate

the

plug

as

Adiust

for

maximum

output

and

radiate

a

signal

(on/about

Ssnownn

hig

>)

apdmen

sas

at

400

Hz

connect

the

lead

wires

of

into

the

loop

ant.

of

600

kHz)

the

plug

to

the

measuring

instrument.

receiver.

@

AN-RF

ALIGNMENT

511

kHz---(E]

only

516kHz---(El]

only

aM

Ook.

Adjust

for

maximum

output.

Coil)

CT3

(AM

OSC

Trimmer)

(*1)

Adjust

for

maximum

output.

Adjust

L3

by

moving

coil

along

the

ferrite

core.

Adjust

for

maximum

output.

Tuning

capacitor

fully

closed.

Tuning

capacitor

fully

open.

Tune

to

signal

1650kHz.---(E]

only

1635kHz---(E

1]

only

(*1)

L3

(AM

ANT

Coil)

"

1,500

kHz

CT4

(AM

ANT

Trimmer)

(*1)

Fix

antenna

coil

with

wax

after

completing

alignment.

Connect

vert.

amp.

|

scope

to

test

point

Adjust

for

maximum

VW

.

Negative

side

DIAC

TISUT)

amplitude.

to

test

point

Y

.

(Shown

in

Fig.

2.)

Adjust

for

maximum

T3(FM2nd

IFT)

|

aan

ae

:

(Shown

in

Fig.

3.)

550

kHz

@

FM-IF

ALIGNMENT

Connect

to

test

point

VY

through

ceramic

capacitor

(0.001

uF).

Negative

side

to

test

Point

of

interference

(on/about

90

MHz)

10.7

MHz

(SWEEP)

point

FY.

@

FM-RF

ALIGNMENT

Headphones

Jack

Connect

to

test

point

V

through

FM

Tuni

(35)

c

:

.

dummy

antenna

86.2MHz---[E]

only

uning

capacitor

|

/rapricate

the

plug

as

L1

(FM

OSC

(*2)

Adjust

for

maximum

87.4MHz---

(El)

only

fully

closed.

shown

in

Fig.

5.

and

then

coil)

output.

Negative

side

to

test

connect

the

lead

wires

of

the

plug

to

the

measuring

instrument.

109.2MHz---{E]

only

Tuning

capacitor

CT1

(FM

OSC

108.3MHz---[E!]

only

|

fully

open.

Trimmer)

90

MHz

Tune

to

signal

=

eM

oe

Coil)

106

MHz

ore

ul

Trimmer)

(*2)

Three

output

responses

will

be

present;

proper

tuning

is

the

center

frequency.

|

V175

D

POINTS

AL

CHASSIS

INTS

le

tor

ter

RQ-V175

MEASUREMENTS

AND

ADJUSTMENTS

<RADIO>

@

ALIGNMENT

INSTRUCTIONS

READ

CAREFULLY

BEFORE

ATTEMPTING

ALIGNMENT

1.

Set

volume

control

to

maximum.

5.

Set

XBS*selector

switch

to

OFF.

2.

Set

function

select

switch

to

RADIO.

6.

Set

power

source

to

3

V

DC.

3.

Set

band

select

switch

to

FM

STEREO.

Output

of

signal

generator

should

be

no

higher

than

4.

Set

FM

sense

select

switch

to

DX.

necessary

to

obtain

an

output

reading.

@

AN-IF

ALIGNMENT

SIGNAL

GENERATOR

or

EQUIPMENT

ALIGNMENT

SWEEP

GENERATOR

RADIO

DIAL

ELECTRONIC

AC

POINT

REMARKS

SETTING

VOLTMETER

or

hein

:

.

es

VOLTMETERO

|

(gnome,

1

|

Bae

Headphones

Jack

Fashion

a

loop

of

eee

fe

foal

Point

of

non-

(359)

severas

ius

oF

babe

30%

Mod.

interterence.

pasate

yee

T2

(AM

IFT)

Adjust

for

maximum

output.

and

radiate

a

signal

(on/about

at

400

Hz

connect

the

lead

wires

of

into

the

loop

ant.

of

600

kHz)

the

plug

to

the

measuring

receiver.

instrument.

@

AM-RF

ALIGNMENT

L4

(AM

OSC

.

Coil)

|

CT3

(AM

OSC

Trimmer)

(*1)

Adjust

for

maximum

output.

Adjust

L3

by

moving

coil

along

the

ferrite

core.

ele

een

Adjust

for

maximum

output.

Trimmer)

511

kHz---{E]

only

516kHz---(El]

only

Tuning

capacitor

fully

closed.

1650kHz-:-(E]

only

Tuning

capacitor

1635kHz---{E

1]

only

fully

open.

550

kHz

Tune

to

signal

P|

(*1)

Fix

antenna

coil

with

wax

after

completing

alignment.

|

(*1)

L3

(AM

ANT

Coil)

@

FM-IF

ALIGNMENT

Ow

tc

re

eer

Point

of

Connect

vert.

amp.

|

Agramic

Se

10.7

MHz

interference

scope

to

test

point

T1

(FM

1st

IFT)

Adjust

for

maximum

(0.001

uF)

(SWEEP)

(on/about

VW

.

Negative

side

amplitude.

Negative

side

to

test

90

MHz)

to

test

point

Y

.

(Shown

in

Fig.

2.)

point

7

.

|

T3(FM

2nd

IFT

Adjust

for

maximum

amplitude.

(Shown

in

Fig.

3.)

@

FM-RF

ALIGNMENT

Headphones

Jack

Connect

to

test

point

VW

through

FM

| |

(359)

a

eee

|

dummy

antenna

86.2MHz---[E]

only

Tuning

capacitor

|

/Fabricate

the

plug

as

L1

(FM

OSC

(*2)

Adjust

for

maximum

os

;

87.4MHz---

[El]

onl

fully

closed.

shown

in

Fig.

5.

and

then

coil

output.

Negative

side

to

test

ele

y

connect

the

lead

wires

of

i

point

FY.

the

plug

to

the

measuring

instrument.

109.2MHz.---[E]

only

Tuning

capacitor

108.3MHz.--:-(El]

only

fully

open.

(°2)

Three

output

responses

will

be

present;

proper

tuning

is

the

center

frequency.

CT1

(FM

OSC

Trimmer)

L2

(FM

ANT

Coil)

CT2(—FMANT

Trimmer)

—4—

RQ-V175

@

SEPARATION

ALIGNMENT

EQUIPMENT

FM

SIGNAL

GENERATOR

CONNECTION

ALIGNMENT

SOURCE

CONNECTION

ELECTRONIC

POINT

COUNTER

SPECIFICATION

REMARKS

98

MHz,

60

dB

(CW)

Connect

to

test

point

W

through

FM

wy.

(+)

VR1

19kHz+100

Hz

|

AduUStVR1.

for

19

KHz+100

Hz

dummy

antenna.

a

(Shown

in

Fig.

6.)

=

reading

on

frequency

counter.

Negative

side

to

test

point

YW.

NOTES:

Make

sure

the

unit

is

in

good

working

order

before

attempting

measurements

and

adjustments.

Set

the

switches

and

controls

to

the

positions

as

specified

for

this

procedure.

@

Make

sure

heads

are

clean.

@Volume

control:

Maximum

@Make

sure

capstan

and

pinch

roller

are

clean.

(A

Head

Azimuth

.

Assemble

the

mechanism

and

cabinet

parts

completely.

Adjustment

.

Play

back

the

head

azimuth

adjusting

tape

(8kHz,

—20dB---QZZCFM).

Condition:

.

Adjust

the

azimuth

adjusting

screw

(Refer

to

Fig

4)

of

Playback

head

to

@

Playback

mode

obtain

the

maximum

monitor

output.

-

|

Equipment:

.

After

adjusting,

repeat

PLAY

and

STOP

some

times

and

confirm

that

the

Output

@eTest

tape

variation

is

less

than

the

specified

level

(Within

3

dB).

---QZZCFM

|

‘B

Tape

speed

.

Test

equipment

connection

is

shown

in

fig.

7.

adjustment

.

Apply

3V

to

DC

IN

.

Headphones

jack

Condition:

.

Connect

the

headphones

output

(359)

to

the

counter.

givens

@

Playback

mode

.

Playback

the

tape

speed

adjusting

tape.

aad

Equipment:

(3kHz,

—10dB

QZZCWAT.)

DC

power

supply

PA¥PaCk

MOd®

Hcital

electronic

@DC

power

supply

Fig.7

aces

@

Digital

electronic

.

Measure

this

frequency.

counter

@Test

tape

Standard

value:

3000

+

BOHz

(4.75cm/s)

--QZZCWAT.

6.

If

measured

value

is

not

within

standard,

adjust

as

follows.

@

Tape

speed

adjustment

1.

Adjust

tape

speed

adjustment

VR5

so

that

frequency

is

3000

ae

Hz.

2.

Refer

to

Fig.

6.

(Forward

&

Reverse)

@

ALIGNMENT

INSTRUCTION

MEASUREMENT

|

ADJUSTMENT

ITEM

INPUT

POINT

PROCEDURE

Playback

QZZCFM

¥

L-CH

vies

(L-CH)

Playback

any

part

of

the

tape

and

adjust

VR3

gain

(315

Hz,

0

dB)

4

2

(R-CH)

and

VR2

so

that

the

playback

gain

is

70+8mvV.

y(t)

R-CH

|

(Refer

to

Fig.6.)

RQ-V175

RQ-V

RQ-V175

SCHEMATIC

DIAGRAM

3

4

i

6-

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8

9

10

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MAIN

CIRCUIT

GRAPHIC

EQUALIZER

BLOCK

(

100Hz/1kHz/10kHz

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17.

ood

PLAY

HEAD

;

mae

FWD

Notes:

7

Roh

"

EOIXBS

SWITCH

BLOCK

is

aueelod

oaly

as

REV

E

J2

part

of

an

assembly.

DC

IN

JACK

elt

is

not

available

individually.

me

(3V)

Ee

=[

7218

|.

+

71

BATTERY

3|

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=

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=

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c58

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asavies

my,

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Jt

IC3

3

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i

HEADPHONES

LA4570MT

a

baa

,

JACK

H

AMP

7

ee

K84V¥220

6-

7

8

9

10

RQ-V175

11

12

GRAPHIC

EQUALIZER

BLOCK

(100Hz/1kHz/10kHz

)

RRV10ZO1A25H

IC2

7025K

:

;

©

@o

M/FM

IF

AM

Ql,2

=

a

o

w

a

o

M

MPX

2SC2412KRT

X

3

:

3

sf

RADIO

AMP

s

=

$

:

=

ie

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2

3.

A

:

100K

>)

C35

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=

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as

:

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wy

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21.0

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ve

2

71.0

401

G)

95

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41800

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sto

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GA

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2.

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—

3

=

C203

0.58

2.2K

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j0

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s

S

=

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o

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100K

R22

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MOTOR

DRIVE

RADIO

e

lele

6

ers

als

|

oc

ow

(2

lElé

LA3550

XBS

AMP

D+

hos

lk

Se

iNiaee

156@

R46

7K

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(3V)

1.5@3)

ae

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2

L

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KS4V220

:

,

:

HEADPHONES

JACK

3

‘|

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57480

=

Ye

R212

sion

et

wo

Gr)

he's

ao

0

R223

15K

Q200,

201

2SC2412K

EQ

AMP

Notes:

¢The

replacement

part

for

the

GRAPHIC

EQ/XBS

SWITCH

BLOCK

is

supplied

only

as

part

of

an

assembly.

elt

is

not

available

individually.

200,201

Notes:

1.S$1-1,

S$1-2:

Band

select

switch

in

“AM’

position.

(1---FM

STEREO,

2---FM,

3---AM)

2.S2-1,

S2-2:

FWD/REV

select

or

switch

in

“FWD”

position.

(1---FWD,

2---REV)

3.S3-1,

S3-2:

Tape

select

switch

in

“CrO2/Metal”

position.

(1---CrO;,/Metal,

2---NORMAL)

4.$4-1,

S$4-2:

Dolby

NR/FM

sens.

switch.

S4-1;

Dolby

NR

switch

in

“on”

position.

(1---ON,

2---OFF)

S4-2:

FM

sens.

switch

in

“Dx

position.

(1---DX,

2---LOCAL)

5.S5-1,

$5-2:

Function

switch

in

“Tape”

position.

|

(1---RADIO,

2:--

TAPE)

6.

S6:

Motor

switch

in

“OFF”

position.

7.8200:

XBS

select

switch

in

“OFF”

position.

(1---OFF,

2---ON)

8.VRI1:

FM

VCO

adjustment

VR.

9.VR2:

Playback

gain

adjustment

VR

(Rch).

10.

VRB:

Playback

gain

adjustment

VR

(Lch).

11.

VR4-1:

Volume

control

VR

(Rech).

VR4-2:

Volume

control

VR

(Lch).

12.

VR5:

Tape

speed

adjustment

VR.

13.

VR200

~

205:

Graphic

equalizer

VR

(100HZ/1kKHz/10kHz)

VR200,

203:

100Hz

VR201,

204:

1kHz

VR202,

205:

10kKHz

14.

The

mark

(W)

shows

test

point

e.g.

W=test

point

1.

15.DC

voltage

measurement

are

taken

with

electronics

voltmeter

from

negative

terminal

of

battery.

[}:--FM

position,

(

—_)---AM

position.

No

mark:-:-:-

Playback

position,

16.

Battery

current:

Volume

minimum

output

(radio)

-------:+--)

eee

Volume

minmum

output

(tape)

Volume

Maximum

output

(radio)-:++:-+-

+r

Volume

Maximum

output

(tape)------------.

ee

Radio,

74dB

30%

Modulation

Gad

315

Hz

OdB

tape

playback

17.

meee

+B

Voltage

Line.

Oop00p

Playback

Signal.

a>

FM

Signal.

”

mee

Playback

and

FM

Signal.

IC200

LA3550

IC1

AN7205ST

21mMmA

-142mA

+

VCC

ch

26mA

-152mA

ChA

PLAY

INPUT

BIAS

chA

PLAY

OUTPUT

chA

Variable

R

chA

AMP

NF

chA

Peaking

Capacitor

chA

DETECTION

chA

TIME

constant

chB

PLAY

INPUT

SW

of

NR

ON/OFF

chB

PLAY

OUTPUT

chB

Variable

R

chB

AMP

NF

ChB Peaking

Capacitor

chB

DETECTION

iA

75

6

7

en:

9

10

4

12

M@

RESISTORS

&

CAPACITORS

PARTS

LIST

CIRCUIT

BOARD

AND

WIRING

CONNECTION

DIAGRAM

DOLBY

NR

/FM

SENS

J1

|HEADPHONES

Numbering

System

for

Resistors.

Numbering

System

for

Capacitors.

A

—____.>

”

1h:

Example:

ERD

25

F

J

101

ECKD

1H

102

Z

F

Type

Wattage

Shape

Tolerance

Value

Type

Voltage

Value

Tolerance

Unique

aa

TAPE

(1002)

(1000

pF)

Characteristics

ERJ

6G

C

J

2R2

-ECEA

50

M

R47

Typ

Wattage

Shape

Tolerance

Value

Type

Voltage

Unique

Value

y

.

(2.2Q)

Characteristics

(0.47

uF)

FUNCTION

(ECCD,

ECKD

Type)

Ceramic

Capacitor

Carbon

Resistor

K

;

:

Solid

Resistor

(Chitacon)

1H

:

580V

DC

2H

:

M

incombustible

Ceramic

Capacitor

(ECFD

Type)

z

Box-Shaped

|

(Chitabari)

C

:12V0C

D

Wire-Wound

Semiconductor

E

:50V0C

J

3

Resistor

Ceramic

Capacitor

(ECQ

Type)

G

Metal

Oxide-Film

Electrolytic

Capacitor

|05

:S50WVOC

1

F

Resistor

Tantalum

Fixed

(ECE,

ECS

Type)

Cc

:

Wire-Wound

Electrolytic

Capacitor

|OG

:

4V

OJ

D

l

Resistor

Polystyrene

Film

1A

:

10V

F

LEN]

On

y

Superstabie

Capacitor

1E

:

25V

Metal

Film

Polystyrene

Film

1H

:

5OV

1J

Resistor

Capacitor

2A

:

100V

Metal-Film

Polypropylene

Film

[E]

Only

Resistor

Capacito

Chip

Resistor

LE

Capacko!

‘

Chip

Capacitor

—

Cylindrical

Ceramic

BAT

TERY

cd

Capacitance

values

are

in

microfarads

(uF)

unless

Capacitor

specified

otherwise

noted

(P=

Pico-farads).

—

UM-3x2

%

Resistance

values

are

in

ohms

(Q)

unless

specified

a

(3V)

noted

otherwise

(1K=1,0002,

1M=1,000K

Q

).

RESISTORS

R35,36,37,47,

RRJ6GCJ103TE

CAPACITOR

C21,23,24

ECEA1HKSO10I

RRJEGCJ222TE|

51

RCUV1H470KC

|C22,74,78

RCUV1H471KB

oe

RRJ6GCJ103TE

|

R38,45[7)

RRJEGGCJ434TE

RCUV1H180KC

|C25,26,46,49,

ECEAOGKS2211

RRJ6EGCJ560TE

|

R39,44

RRJEGCJ824TE

RCUV1H220KP

|

58,59,60,61

.

RED

RRJ6GCJ470TE

|

R40,43

RRJEGCJ332TE

RCUV1E103MD

|C27

ECEA1HKS3R3)

”

RRJ6GCJ101TE

|

R41,46

RRJEGCJ473TE

C29

RCUV1H102JC

RRJEGCJ221TE

|

R42

RRJ6GCJ150TE

RCUV1H390KC

|

C33,34,35,36

ECUV1C1052ZF

GRAPHIC

RRJGGCJ563TE

C5,18,28,38,

RCUV1H102MD

|C37

ECEAOGKS101

EQUALIZER

RRJ6GCJ102TE

|

R48

[7

ERSL43JR70U

39,40,43,47,

C41,42

ECEAOJKS220

100H7/

1

kHz/10kHz)

BLOCK

R49[7)

RRJ6GCJ1IRS5TE

48,69,83,84

€50,51(7)

ECSTOJA225RR

RRJ6GCJ562TE

|

R53,54

RRJ6EGCJ224TE

RCUV1H180KC

|

C52,67[7)

ECSTOGA475RR

RRJ6EGCJ223TE

RRJ6GCJ471TE

RCUV1HOSODC

|

sa

-

RRJ6GCJ182TE

ECEAOGKS4711

|

C54,55,64,66

RCUV1E333MD

RRJ6GCJ682TE

RRJ6GCJ561TE

RCUV1HO7ODC

|

C56,62

ECUV1E104MD

RRJ6GCJ104TE

RRJ6GCJ1IOOTE

C57,63

RCUV1H472MD

RRJ6GCJ151TE

CHIP

JUMPERS

C11,12,14,15,

RCUV1E223MD

|C70[)

ECST1CA105RR

RRJEGCJ822TE

RRJ6EGCJOOOTE

16,19,30,73,

ECEA1HKSR47I

RRJ6GCJ122TE

75,81,44,45

RCUV1H820KC

RRJ6EGCJ333TE

RCUV1H103ZF

RCUV1E103MD

1234567

RRJ6GCJ154TE

ECEAOGKS470!

RCUV1H331KB

RRJ6EGCJ392TE

RCUV1E153MD

RCUV1E103MD

@

REPLACEMENT

PARTS

LIST

[Indicates

parts

supplied

by

TAMACO.

;

=>

INTEGRATED

CIRCUIT,

TRANSISTORS

AND

DIODES

VARIABLE

CAPACITOR

james

nl

a

IC1)

AN7205ST

|.

C.

FM

RF

AMP

VC1-4[7]

RCV4LC4Q3P-M

—_

Tuning

Capacitor,

W/Trim-

Se

AN7025K

1.

C.

AM

RF/FM

IF

AMP

mer

Capacitor

(CT11-4)

S6

LA4570MT

|.

C.

AMP

.

MOTOR

BA1106FT

|.

C.

Dolby

AMP

CERAMIC

FILTER

SWITCH

AN6612ST

|.

C.

Motor

Drive

RVF107WMZT

Ceramic

Filter

FM

2SC2412KRTX

Transistor

RVFPFA459A

Ceramic

Filter

AM

2SB1132RTX

Transistor

RVFPFA455A

Ceramic

Filter

AM

2SK160K5TX

Transistor

RVDL44HD-1

L.

E.

D.

COMPONENT

COMBINATION

|

RXABPMBSL

Band

Pass

Filter

COILS

AND

TRANSFORMERS

RLO4Y19

Oscillator

Coil

FM

SWITCHES

RLO4N162-0

Oscillator

Coil

FM

RSS3B35YA-Q

Band

Switch

RLO4Y15

Antenna

Coil

FM

RFA9OZA

FWD/REV

Switch

RLF2N31-0

Ferrit

Antenna

RSS2B40YA-Q

Function/Tape

Switch

Notes:

1.

The

circuit

shown

in

(

_

)

on

the

conductor

indicates

printed

circuit

on

the

back

side

of

the

printed

circuit

board.

2.

The

circuit

shown

in

(

-)

on

the

conductor

indicates

printed

circuit

on

the

front

side

of

the

printed

circuit

board.

3:

The

symbols

(@)

shown

in

the

circuit

board

indicate

connection

points

between

conductors

on

the

front

side

and

back

side

of

the

-

Circuit

board.

}

|

?

4.

@——®:

Chip

resistor

5.

@uee®

=

Chip

jumper

|

@This

circuit

board

diagram

may

be

modified

at

any

time

with

the

development

of

new

technology.

RSS2B54YA-Q

RFA89ZA

RLO2A25M-M

RLQU100KM-L

RLI4A45-T

RLI2A001-T

RLI4A34M-M

Oscillator

Coil

AM

Choke

Coil

FM

IFT.

FM

IFT.

AM

IFT.

FM

Dolby

Switch

Motor

Switch

JACKS

Headphones

Jack

DC

IN

Jack

RJJD3S5ZA-C

RJJ4301

VARIABLE

RESISTOR

RVNEA14B1W-F

VV.

R.

FM

VCO

RVNEA13B1W-F

V. R.

playback

Gain/Tapy

Speed

Volume

Control

GRAPHIC

EQUALIZER

VR2,3,57)

RRV10Z01A25H_

=

Graphic

EQ

Ass’y

VR4[7)

RVV2H3A14M-A

_9—

@

ALIGNMENT

POINTS

|

@

Please

refer

to

the

Circuit

Board

and

Wiring

Con-

nection

Diagram

to

locate

the

test

points.

AM

ANT

S50kHz

A

|

rc]

FM

ANT

S90MHz

—--

FM

OSC

|

[Lt]

36

oMH2..-[E]

only

:

87.4MHz---[E1]

only

sya

Ss

FM

Ist

AM

OSC

TH)

19

7MH2

511kHz---{E]

only

5

16kHz---[E

1]

only

AM

IFT

459kHz.---[E]

only

~455kHz---[E

1]

only

10.7MHz2

Fig.

1

Fig.

2

Fig.

3

Azimuth

Screw

Fig.

4

—-11-—

AM

ANT

1500kHz

FM

ANT

106MHz

CT4

FM

OSC

109.2MHz..--[E]

only

108.3MHz::-[E

1]

only

CT1l

{

AM

OSC

CTS}

1

650kHz---[E]

only

1635kHz---([E

1]

only

PLAYBACK

VR2'

GAIN

Rch

oN

prayBack

{Q)

[VR3]GAIN

Loh

)

|

FM

STEREO

19kHz

[VR5|MOTOR

SPEED

Fig.

6

To

¥

Headphones

ig

Jack

To

—~

Measuring

O

—

Instrument

RQ-V175_RQ-V175

MECHANISM

PARTS

LOCATION

(Front

View)

M63.

SPECIFICATIONS

Fete

[

Pressure

roller

M

REPLACEMENT

PARTS

LIST

(T)

Indicates

parts

supplied

by

TAMACO.

Ref.

No.

|

Parts

No.

|

Parts

Name

&

Description

MEACHENICAL

PARTS

M1

RFU151ZA

Mecha

Chassis

Ass’y

M3

RFU182ZA

Sub

Chassis

M8

RFY893ZA

Lever,

REW

~

1M9

RFY894ZA

Lever,

FF

M10

RFD388ZA

Lock

Plate

M11

RFD389ZA

Operation

Plate

M12

RFY861ZA

—

Lever,

Stop

M13

RFS800ZA

Spring

M14

RFS801ZA

Spring

M15

RFS802ZA

Spring

RFS803ZA

Spring

M2]

RFY895ZA

Lever

Ass’y

M22

RFD390ZA

Plate

Ass'y

M23

RFN207ZA

Washer

M24

RFS804ZA

Spring

M26

RFJ84ZA

Reel

M27

RFX173ZA

Reel

Holder

M28

RFG128ZA

Gear

M29

RFG129ZA

Reel

Gear

RFY863ZA

Sensor

FWD

RFS805ZA

Spring

RFN208ZA

.

Washer

RFY864ZA

Sensor

REW

RFS806ZA

Spring

RFG130ZA

Cam

Gear

Ass’y

(Rear

View)

M103

M

REPLACEMENT

PARTS

LIST

‘tT,

Indicates

parts

supplied

by

TAMACO.

RFG131ZA

RFG132ZA

RFG133ZA

RFG134ZA

RFS832ZA

RFES20ZA

RFF

78ZA

RFES21ZA

RFN209ZA

RFF79ZA

RFN210ZA

RFQ68ZA

RFN215ZA

RFO391ZA

RFY865ZA

RFU153ZA

RFS893ZA

RFS894ZA

RFE489ZA

RFS810ZA

RJH4C23MZAS

RFS811ZA

RFRS5S5ZA

RFRS6ZA

Gear,

FF

Gear,

REW

Gear,

Center

A

Gear,

Center

B

Spring

Washer

Fiywheel

F

Ass‘y

E-Ring

Washer

Flywheel

R

Ass’y

Washer

Pulley,

Center

Washer

Slide

Plate

Lever

Direction

Head

Chassis

Spring

Tape

Guide

Plate

Spring

Head

Spring

Pinch

Roller

F

Pinch

Roller

R

M99

M100[T)

M101[7!

M102{7)

M103[7)

M104

iT)

M105]

b

dD

tr

sel

Part

No.

RFM169ZA

RFD

427ZA

RFBtO8ZA

RF

B113ZA

RFD394ZA

RFE490ZA

RFES22ZA

RFT28ZA

RFE403ZA

RFE492ZA

RFE493ZA

RFE494ZA

RFE495ZA

RFD428ZA

RBC291TZA

RBC292TZA

RBC293TZA

RBC294TZA

RBS206TZA0

RMC239TZA

Part

Name

&

Description

Motor

Ass‘y

Motor

Bracket

Belt

SW

Bracket

Screw

Wire

F.P.

C.

Screw

Shaft

Button

Play

Button

REW

Button

FF

Button

Stop

Direction

Knob

CU

Shield

RQ-V175

em

ane)

CABINET

PARTS

LIST

sod

@

REPLACEMENT

PARTS

LIST

Tt

Indicates

parts

supplied

by

TAMACO.

CABINET

PARTS

RKM1142WA

RKF972ZA

RYQQV175EKT

RYQQV175EIKT

RKK225TZA

RKE652ZA

RBD570ZA

RBD571ZA

RDG5960ZA

RUS778ZA

RUS231TZB

RMX212TZA

RME499ZA

XSH17+3

XWG22A55F

RJC3002ZA

RJC257TZB.

RUA811ZA

RBT329ZA

RDG5961ZA

RDP360ZA

Front

Cabinet

Rear

Cabinet

Cassette

Lid

Ass’y

Cassette

Lid

Ass’y

Battery

Cover

Side

Decoration

Function

Knob

XBS

Knob

V.

C

Gear

Cassette

Cover

Spring

Tape

Spring

EQ

SW

Cover

EQ

Angie

Screw

Washer

Battery

Spring

(+)

Battery

Spring

(—)

Antenna

Holder

Knob,

Tuning

Middle

Gear

Pointer

El

(Refer

to

10

Page)

K24

K22

K20

K19

K18

K25

K17

*The

replacement

part

for

the

GRAPHIC

EQ/XBS

SWITCH

BLOCK

is

supplied

only

as

part

of

an

assembly.

*lt

is

not

available

individually.

WBE7AH

7P

Wire

RBT236TZA1

RHR3396ZA

XSH14+3

XSH2+

4.5CFZ

XTNR14+

2.5CF

XTNR2

+

10CFZ

XSH17+5

XWA2B

;

XWE2X4BN

XTN17+3.5FFZ

Knob,

Volume

Cabinet

Piug

Screw

(V.

Knob)

Screw

(T.

Knob)

Special

Screw

(EQ)

Tapping

Screw

(CAB)

Screw

(P.W.B.)

Washer

Special

Screw

(Deck)

XTNR144+35CFZ

Special

Screw

(EQ)

ACCESSORY

RKE210TZA

RP-HT115PY

ROX759TZA

Beit

Clipper

Headphones

Instruction

Manual

PACKING

MATERIALS

RPK474TZA

RPN1418TZA

RPP284TZA

Carton

Box

Polyion

Polyethylene

BAG

Printed

in

Taiwa

890711000

TY/M

Panasonic RQ-V175 User manual

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