Panasonic RS-600-US Schematic

ORDER NO. ARD.77O2OO9C

ServiceManual

Cassette Deck

RS-6OOUS

Stered

Cassette

for

Deck with 3-Position Tape

United

Selector

Kingdom

RO-sIKI MECHANISM

Specitications Power requirement:

l4otor: Track

system l

Wow and iutter: 0 15% Frequ€ncy response:

Signal-to.noise

rewind

(catatog

AC; 240V,

Power consumption; DC

electronic speed conkol motor

4-track 2-channelstereo record

4.8cm/s Cr02 tape; 40 - 13,000

Normal

rat

o: 45dB

tmerApprox. 120

MIC;

senstivity 0 25mvlapplicable microphone

impedance

LNEt sensitivity

@ National

SERIES

specifrcations tor

50Hz output:

(WRM) iape; 40-11,000H2

(S

gnal

level:250

seconds with G60 cassette tape

600e2-20 K0

64mv/inplt

Panasonic

sates)

8W

playback

ng and

Hz

nwb/m)

impedance

Specit cat ons are subject to

390K9

REC/PB

Head:

Dlmmsions Weight:

change w thout notce.

Matsushita Electric Trading Co.,

LNEtoltpui evel 0.7 V/ oad i.npedance 50KO HEADPHONE; output level 60mV/load

irnpedance

5 P DIN type

inpui odput level

2-head

l super

lJerrite head tor 36cm(W) 2 9kE

8S)

level 0.28mV/1.8KO

0.7Vl10Kf2

system

perrnaloy

x9

head lof record/payback

eras ng

x23.6cm(D)

7cm(H)

Ltd.

PO. Box 288,

Central Osaka Japan

LOCATION OF CONTROLS

'I

I

AND

COMPONENTS

Leve controls

O

Tape selector

@

Leve meters

@

Limiter switch

O

Noise I lter

@

Recordns indication amp

@

Cassette comparimeni

@

Eject button

@

Stop button

O

Fast forward buiion

@

R€w nd button

@

Playback button

@

Recofd button

@

Pause button

@

Tape

@

Fle set markers

@

N4icrophone

@

Headphones

@

Power switch

@

Power

@

Lne ouiput

@

Record/payback connectioi socket

@

Line

@

swtch

counier

jacks

jack

cofd

iack

lnplt

lack

door

and resei buiton

DI

SASSEMBLY

Fig. 2 Fis.3

Power supply circuli

bodd

I NSTRUCTIONS

(A), (B)

(c)

(D)

2,7

7

2

Fis.

Shown

4

n 1ig.

2,3

SERVICE

TECHNIOUES

TAPE WINDING Although

open ihe

lHow (A)

un key to happen, il cassette door, Jolow the

to oDen

Using

the cassette door'l

a

screwdriver rernove ihe hoe

O

MALFUNCTION

the tape should become

procedure

descrlbeo oerow.

cap on the bottom

wound onto the

ol the unit.

capstan or

pressure

roter

and thus making it mpossbe

to

(B)

After

ths cap

rotate ths motor

is

removed, the motor

pulley

to the e{t

puley

can be

(.r)

n order to loosen

Fig.

5

There

seen.

s a

the tape wound around

Fig.6

groove

O

n the motor

cut

the capstan or

pulley.

Dressure

Uslng

rorer.

a

Osc.ewdriver,

(C)

The

cassette

door

can be eas y opened

after the tape is loosened

ADJUSTMENTS

freqrency

measufing

Betore tcsoi5ternsbelowarew]th]nsiandardwhichhav€muchrelatontoorinf|uenceoneectricalperforma.cesabove

Head azlmuth

1. Playback

5

TEST INSTRUMENTS

I.

1 Pfepare

The iest

2

without Warm.up the test

3.

llnotlheremayariseanerrolordi]ferencebetweentheiniiaVaUeandthestab]|zedValemeasLneda{te|'aging

4 Speclficaiions

MEASUREMENT

II.

Standard

t.

. ,

"

Posil on ot tape

2

*

Oscill€tor output

* *

and adlusitng

adiustment

frequency

lest lnstrurnents

instruments should

malntenance

o{ test

m€asurernent condltions Amb ent temperaiure: Ambieni Power vo tage accLrracy:

When measuring, horizontal

Connect the attenuatof When

hurnidty: 30-9070

posilion.

ihe equipments

suppyng

Overa|

2

response

are equivaent

which

be inspected

may increase errors

instruments

Jor 30 minutes

nstruments

CONDITIONS

10-30.c

RH

f

37o

recorder

place

the urit

voiage adjustment

as

shown

wh le keeping the attenlator

a signalto

the tape recorder ampller

response , Overal

Bias cur€nt

in accuracy

and conected

indcaton

in

and the set

(50.-86"F)

under test

in a

lo lowing and adjust the oscillaior

in the

at odB

disiortion

3 PlaJrback

to those shown by speclalists

to be

adiust the

and OveralS/N

gain 4 overal

be0w

once every

measured Jor 10

oulput controlknob

input level usng the atteruator

rauo" conl

gain

6 months,

rninutes belore

rm that the characteris'

b€carse a ong

taking the

lor 1V

perlod

measurements

(i:1kHz)

oi use

n

throush

I II. TEST

Test taoe The more irequent wofsenng ol

ured values become deterioration

Pease reler to the taoe

X

Test tape

PARTS NO.

c.Ftl

I

TAPE

life

irequmcy

perlonnance

in

Freouence Storage

ol

period

PARTS NAME

STANDARD LEVEL & FREQ RESPONSE

ihe tesi iape

v

response

unrelable.

lie speciiication and use care

use: Noi nore than 20 Umes

Not

REC.

IAPE

ls

used,

particuary n highJrequency range, and

Even n such a case

because oi sell damagenetization

more

than

6 months

mofe the tape characteristics

the

lor each tape

0dB: sTArD^io Rtc uva 0600$iihnl

when a iape is not used,

due to storage condllions,

noi to use a

SPECIFICATIONS

tape onger than

length

wil deteriorate

an increase in wow due

but

stored

its rated liie when servicing

5 T N4ES REPEIIIVE TAPE SPEED FULL TRACK

(eC.

ior a long

etc

lowering ol

to tape elongaUon)unii

perlod

REIVARKS

1.7/8IPS

(lOMIN)

recofded leve

meas

ot iime, tape shows

RECORDING

(4.8CI4/S)

I

(48Cf4/S),

TAPE SPEED 1.7/8

TRACK

FULL

TAPE SPEED 1

TRACK

FULL

UNRECORDED

GRA

C.RF

TAPE

SPEED

AZIITIUTH

REFERENCE TAPE

REFERENCE BLANK TAPE

TAPE

BLANK

(NORIYAL)

(CrOd

3

(45M

N

7/8 PS

(15T4

N

TAPE

PS

)

(48CM/S),

)

(2OMIN.J

(2OI'4IN

)

IV. MEASUREMENT & ADJUSTMENT METHOD

NOTEI

1 N4ake 2 N4ake 3 Judseable room temperature: 2015'C

heads

sure sure capstan

are clean

and

presslre

fo ler

are cean

(68i9'F)

4

Lmter switch:OFF

5. Noise lilter

6. output level

switch:oFF

conhol:[4AX.

ITEM IVEASUREMENT

Pressure

pressure

ot

Equipmenl:

.

Head

. 1

gause

Tension

azimuth adjustment

VTVI1 Test

(azimrth)...C,M

iape

(max

roller

500gr)

I Set nto

2 3 Measure the tem oi at

4 ll the tensloi is

Record/playbacl head

1 Test equipment connection

T€d lrps Phyback

2

3.

5.

payback

Coinect the lsrsion

reci

d

on of the anow as showr in tig 7.

irom

away

Standard tension | 400:!60Sr

sping in either dnect on

Play azlmrnh

Adjust record/payback head so lhat output lvlp.,Lr€ both Atte

ad Ehe.i loct

mod€

gauge

tlre capstan.

tape

(farers.

the

oll ol to€rance, bend ihe

shown by the anow.

adjustm€nt

mod€

(C'AA

6.3kHz).

evelat LNE OUT becomes maximunr.

and adilsr

*dd ddrJlmelr sc'pw s{r ld.qle

& ADJUSTMENT

pressirG

io tfE

moment

s shown below

Ftg.

a

aryl€ adjustment screw

roller lever

s lo

pressufe

part

"qldl

whar the

vwM olcillo3cope

leve

(a)

oLtp-r

pul

and

ror

prcssure

ot

it n ihe

mov€s

€r

REMARKS

rol er

o

L Tesl

2. Set th€ tape Play

3.

4. l4easlre

put

lvake

5.

6. lvlake

pmsrt

eq!

selector switch lo l\oma"

frcquency respons€

outpul levelat 10kHz,8kHz,

levelwith

tI\ORMAL]

output measurement id sufe that ihe measwed value is

l25{z: +1a4dB

SkHzr

lokHz:

lFe.crl

125H21

SkHz:

i0kl-12:

lCro,l

l25Hz:

8kHzr

tokHzr

li nreasured vatue adlusiment

paft

s not ln

ocal

connection

s shown in lie 8.

(C,FH).

tap€

lev€

ot siandad f€quercy

bolh cham€s

0a4dB 0l2dB

+1:l4dB

0t4dB 0l:3 dB

+1t4d8

0t4dB 0t3dB

standard, adjust VR7

pag€

on on

6).

position.

125H2 and

within the range

comparce?ch out.

333H2 at L/NEOUT

(L-CH),

VR8

specitied in the

(R.CH) (See

1

ITEM

Playback Equ

,

Tesl iape...C.FH

gain

pmeni:

MEASUREMENT & ADJUSTIVENT REMARKS

1.

Tesi equipm€nt confection

2

S€t the tape selector switch to

Play

3

standafd

osing WVM,

lvlake measur€ment tor

Adiustment lf nreasured vaue is not standard, adjust VR5

(See

adjustment

record ng leve

measure

Standard

part

is

shown in portion

the output level at LINE oUT

both chanie s

Value:

0.7V

ocrt on on

pase

lic.

Norma

on test tape

6).

8.

'

posrilon

{C.FH

jack.

(LCH),

VR6

333H2)and,

(R

CH)

l

Equipmeni:

.

VTVlvl

Note: Beforc adjustmsrt, deck

I Test equlpmsrt

connecllon

'Playback

is

shoM

Frequs'cy

b€

ow

Respor6e.

.

Be sure the ihe meter is

adjusted o[ one channel

sfound

comecled to

n

efd oJ

n

o

Standard Value:5l0rA

4

AdjLnt Ll pase

5

6)

Then

changiig ihe tape selector switch to "Normal and

uon, conlirm ihe bias

Normal:360!At50/rA FsCr: 410!At50rA

{L-cH),

(Voltager (Voltager

and L2

(Voltage:

(R.CH) (see

cureni

3.6mVa0.5mV)

4.1mVa0.5mV)

5.lmv)

adjusimdrt

part

ocation on

'F€

pos

Ci'

o

6