Panasonic Rs-805us User manual

Service

M

ORDER

NO.

ARD-7506052C

—

8Track

Stereo

Deck

S-805US

9

Track

Stereo

Recording/Playback

Cartridge

Deck

This

is

the

Service

Manual

RS-817S

MECHANISM

SERIES

Specifications

(Catalog

specifications

for

sales)

Power

requirement:

AC;

90~109,

110~120,

200~219,

220~250V,

50/60

Hz

Power

consumption;

6W

8-track

2-channel

stereo

recording

and

Track

system:

playback

Recording

system:

AC

bias,

AC

erase

Operation:

‘Tape

speed:

3-3/4

ips.

Wow

and

flutter:

0.17%

(WRMS)

Frequency

response:

30~13,000

Hz

Signal

to

noise

ratio:

45dB

of

Model

RS-805US

Inputs:

Outputs:

Cartridge

slide-in

system

with

Pana-Ject/

continuous

play

mechanism

and

remote

control

eject/program

|

.

REC/P.B

connection:

Motor:

Head:

Fast

forward

time:

Program

time:

Dimensions:

Weight:

for

PX.

MIC:

0.28mV

applicable

microphone

impedance

200~6000.

(recommended

microphone

RP-8135)

LINE;

50mV/1OOKQ

LINE:

0.6V

(at

O

VU)

load

impedance

50

KQ

over

:

HEADPHONES;

output

level

45mV/80,

(at

O

VU)

DIN

5P

terminal

1-motor

system

1-head

system

Approx.

480

seconds

with

300

feet

tape

1

hour

stereo

recording

with

300

feet

tape

12-1/2"(W)

x

4-3/8"

(H)

x9-3/4"(D)

8-1/8

Ibs.

Specifications

are

subject

to

change

without

notice

for

further

improvement.

anasonic.

Panasonic

Tokyo

Matushita

Electric

Industrial

Co.,

Ltd.

8-2,

4-chome,

Shiba,

Minato-ku,

Tokyo

108

Japan

Matushita

Electric

Trading

Co.,

Ltd.

P.O.

Box

288,

Central

Osaka

Japan

@®

©

®

2

eee

3%

GERMS

OS

VEEL

REELSSART

-PEEADE:

SARE

C58.

VRE

GHETT

BRD

HEAT

F

FORM

LTRS

SST

TARE,

Fig.

|

@

Ejection

button

Play/fast

forward

control

@

Program

indicator

|

@

Automatic

ejection

switch

®

Program

selector

|

@

Level

adjustment

controls

;

@

Recording

indicator

43

Record/playback

connection

socket

®

Level

meter

Voltage

selector

|

:

©

Headphones

jack

|

®

Line

output

cords

@

Microphone

jacks

Line

input

cords

|

Tape

slot

@

Remote

control

jack

:

®

Record

button

Power

cord

Sarees

©

1.

Remove

6

body

case

holding

screws

(A)

and

2

back

board

holding

screws

(B).

2.

Then

body

case

and

back

board

can

be

removed.

HOW

TO

REMOVE

FRONT

PANEL

2.

Remove

5

front

panel

holding

screws

(D).

3.

Then

front

panel

can

be

removed.

MECHANICAL

PROGRAM

SELECTION

$4

{Push

Switch)

O)

$3

{Sensing

Switch)

(

Ratchet

Spring)

{

Plunger)

Manual

selection

1.

When

the

push

switch

is

pressed,

the

plunger

operates.

2.

Plunger

pulls

the

ratchet

spring

to

momentary

then

it

returns

to

the

left.

3.

Ratchet

spring

turns

the

cam.

4.

As

the

cam

rotates,

the

head

moves

up

and

down

and

program

is

Selected.

PRESSURE

OF

PRESSURE

ROLLER

Instruments

required:

Standard

cartridge

for

measuring

of

pressure

roller,

spring

gauge.

Measuring

figure:

Refer

to

fig.

©.

Measuring

method:

Insert

the

standard

cartridge

in

the

tape

recorder,

and

take

the

measurement

by

pulling

it

with

the

spring

gauge.

Standard

value:

12004200

gr.

HEAD

PLATE

ATTRACTION

Instrument

required:

Spring

gauge.

Measuring

figure:

Refer

to

fig.

7.

_

Measuring

method:

Place

the

set

into

the

mode

of

program

1,

and

take

the

measurement

by

pushing

it-downward

with

the

spring

gauge.

Standard

value:

LlO4

20

er.

ADJUSTMENTS

Head

Base

Plate

/

Automatic

selection

lf

the

sensing

foil

attached

to

the

cartridge

tape,

the

plunger

functions

when

the

sensing

switch

is

closed

by

the

sensing

foil,

thereby

selecting

program

can

be

made

automatically.

Pressure

Roller

‘

.

Lock

Lever

Spring

Gauge

AMPLIFIER

ADJUSTMENTS

ELECTRICAL

ADJUSTMENTS

Measurement

condition:

|

Instruments

required:

HEAD

HEIGHT

ADJUSTMENT

Voltage......

120V

Volume

control......

Maximum

VTVM,

AF

OSC,

oscilloscope,

ATT,

resistors

(6000)

):

Instruments

required:

Height

and

azimuth

test

tape

(VTT-801),

VTVM.

|

SIGNAL

SOURCE

OUTPUT

CONNECTION

SPEC.

ITEM

MODE

|

ADJUSTMENT

REMARKS

Azimuth

Adjust

Screw(B))

(Head

Height

Adjust

Screw

(A)

VTVM

to

both

ends

|

—

of

R63

(10Q)

as

|

Record

VR7

paQean

oe

Oe

Adjustment

of

erase

current.

Srownintiee

minimum.

aise

VTVM

to

both

ends

a

Stop

the

bias

oscillation

Tctofrecrtne

fo

izsen

[REZ

TOC.

|

pence

|

—

|

eng")

|

Dusen

we

|

NOTE:

:

LINE

IN

~26-+4

dB

:

;

current)

|

#5

$"

.

See

fig.

12.

circuit

board

(page

6).

:

Head

height

adjustment

can

$$

|

be

done

from

bottom

side

pice

iiveer:,

000A

Oo

BCE

ie

teens

amall

Screw

through

a

hole

aS

shown

in

ESPON

PlayOaCK:

(1

ae

SHOWA

INAS:

MeO

EINE

Playback|

——

0.6V

ieee

;

amplifier

gain.

terminal.

fig.

8A..

13.

Fig.

8

Fig.

8A

:

A

a

ee

eS

re

i

ee

|

MtetReRtOs

VTVM

to

both

ends

_

|

Bee

caine

of

R57

(left

CH),

Basore

aan

Set

volume

control

to

Berane

R58

(right

CH).

minimum.

See

fig.

14.

Test

tape

(VTT-801)

is

recorded

with

a

1kHz

tone

| |

:

Adjust

the

AF

OSC

to

above

and

below

track

2

and

with

8kHz

tone

on

track

Oscilloscope

with

obtain

a

circular

and

6

(fig.

9)

eee

er

AF

OSC

to

both

Stationary

lissaJous

ae

p

See

Or

eoeuenon

oe

ends

of

erase

Record

a

40+5kHz|

Pattern

on

oscilloscope.

1.

Set

the

tape

recorder

to

program

2.

frequency.

bos

d-aSenawiia

The

oscillation

—

2.

Connect

a

VTVM

to

the

output

of

left

channel

fi

Tea

ey

ie

aes

Deter

OL ae

paid

Ig.

15.

by

the

scale

of

the

AF

3.

Playback

the

test

tape

(VTT-801)

and

adjust

the

:

OSC:

Unit:

mm

head

height

adjust

screw

(A)

shown

in

fig.

8

for

minimum

output.

AZIMUTH

ADJUSTMENT

Instruments

required:

Test

tape

(VTT-801),

VTVM.

1.

Set

the

tape

recorder

to

program

2.

Connect

a

VTVM

to

the

output

of

right

channel.

3.

Playback

the

test

tape

(VTT-801)

and

adjust

the

azimuth

adjust

screw

(B)

shown

in

fig.

8

so

that

the

reading

of

the

VIVM

becomes

maximum.

6000

CROSSTALK

ADJUSTMENT

|

Test

tape

(VTT-804)

has

400Hz

on

channels

1,

3,

5

bered

track.

|

of

and

7,

and

no

signal

on

channels

2,

4,

6

and

8.

It

should

be

at

least

55

dB.

7

a

|

1.

Play

each

channel

and

measure

the

power

ratio,

|

2.

If

the

ratio

is

out

of

tolerance,

repeat

the

azimuth

|

‘

(Oscilloscope)

(AFOSC)

—

.

using

the

VTVM,

between

each

odd

and

ever

num-

and

height

adjustments.

:

|

Fig.

15

SCHEMATIC

DIAGRAM

mobEL

Rs-805uUs

Tr3

2SC1684

Tr7

280828

Tr9

2801317

Tr5

280828

R19

12K

$1-7

Fees

R15

OO

OQ

yy

R51

2.2K

pono

D1

«RS

R53

:

oagoz

SKB)

10K

|

LINE

IN

"EY

MIC

A,

R5

IK

.

:

a

e

~—)

"

2)

RSS

aie

|

68K

‘

CHANNEL

:

i

:

te

LINEIN

|

L

C42

0.0039

O—

RECORD/

BN

Y

PLAYBACK

=

HEAD

O

i

===

7

HeaneAones

|

a

dN

ee

sc

sre

a

R61

270

7)

HEADPHONES

@

Tr8

2SC828

4

|

Tr10

2SC1317

db

R59

15K

=m

Tr6

2SC828

+10.7V

R40

680

Tr2

2SC1684

+9.3V

Tr4

2801684

R20

12K

$1-2

si-4

|

66

++

ek

tL

R12

330K

yee

OO

O

41

5

G

C)

R6

IK

|

LINE

IN

we

MS

©

D

C)

RIGHT

|

R4}

RB

een

(ies

CHANNEL

|

560|

6.8K

7

|

LINE

IN

|

:

a

orn

eae

apes

aenmeaaEN

|

R62

270

aan

eseeseoes

Co

-24,5V

|

RECORD/

=~

R60

15K

|

6

_Sixi0

|

Tr13

2801383

l

x

Tp

tate

So

Q

HEAD

_—

O

|

u

|

28°

oy

30

ee

D9

|

+11.8V

a

i,

4

47

(1W)

tiaigy

SMIOE

|

Sade

S75

i

ee

Tht

eek

ee

eee

|

1000

4.7K

,

:

Trig

28C1317x2

ak

oe

|

S1-11

S1-§

Ss-Id.

4

|

a)

raat

-

an

|

O

|

ra,

Ct

25

26)

27

REMOTE

4

$10

210

|

eer

CONTROL

|

a

on

|

ERASE

|

oO

031

HW

pg

od)

Ott—‘“‘“‘“C“‘i‘“

Siti‘

Igy

een

cn

HEAD

as

!

0.00157

\\

SS

Pp

ras

—

O

[R63

10

|

°

|

90~

109V

|

110

~

125V

200~

219V

|

AC

|

YELLOW

POWER

|

PE

ee

eee

ee

ee ee

tee

ee,—(<it«i‘“

:;i‘<‘<“C

Re

Bes

duct

we

wht ees

ae

cca

gs

ir

ase

Noe,

ie

i

ea

ace

te

TERMINATIONS

(BOTTOM

VIEW)

ASE

COLLECTOR

T1

Tri~13

EMITTER

DIN

SOCKET

NOTE:

1.

S1-1~S$1-12

......

Record/playback

select

switch

(shown

in

playback

position).

2:

$3+1,S3-2

hesiews

Program

indication

switch.

Br

OA

alec

haseecenets

Sensing

switch.

Be

5

isin

uisat

os

Program

select

switch.

5,

56-1,

S6-2

pcuaes

Playback/fast

forward

select

switch

(shown

in

playback

position).

G7

eco

pestve

Power

ON/OFF

switch

(ON

position

when

record

button

is

pressed

or

cartridge

is

inserted).

TO

aki

ea

inte

vemriee

Panaject

switch.

BS

Oo

cance

seb

eemeuanes

Safety

switch.

©.

S10

Rissctsaieviver

Eject

switch.

EOS

Ui

aiouanaedeans

Voltage

select

switch.

Th

NRE

2

eiaaeas

.....

Volume

control.

LON

RSF

ceevensanss

Playback

gain

adjustment

VR.

1S,

VR

Do

ssceedvcvavesce

ped

Level

indicator

adjustment

VR.

TA

NR

cuesevateaiess

Erase

current

adjustment

VR.

15.

Resistor

symbols

made

thick

show

printed

type

resistors.

'

Resistor

values

are

in

ohms

(Q),

1/4

watt

unless

specified

otherwise.

K=1,000Q.

.

Capacitor

values

are

in

microfarads

(uF)

unless

specified

otherwise.

P

=Pico-farads.

_

All

measurements

are

under

no

signal

conditions

with

volume

at

minimum

position.

Use

VTVM

for

voltage

measurements.

WIRING

CONNECTION

DIAGRAM

MODEL

RS-805US

y?

P

(RECORD)

SN

PILOT

LAM

SS

SSS

S8:

PANAJECT

SWITCH

S6:

FF

SWITCH

PILOT

LAMP

LEVEL

METER

(LEVEL

METER)

PLUNGER

(PROGRAM)

WHT

BRN

JRED

GRN

ORG

bal

POWER

TRANSFORMER

=f

S4:

SENSING

SWITCH

S5:

PROGRAM

SELECT

SWITCH

ORG

WHT

VOLTAGE

SELECT

SWITCH

[+14V]

[B]+0.64V

]

IE

[+

0,065)

YS

LY

&Y

EC

gs

oar}

7

PROGRAM

1

PILOT

LAMPS

autatete

te?

eee

eeesecere.

COSSGGSGSGS

4P

LUG

TERMIN

ie

:

<

a

.a@re

|

oo

NOTE

SODODOOOOD

ROOD

OIONOO0OK

Nietecarocetesetatenscorecesersessesereaneaensterey

WHT

TERMINAL

L.BLU

VOLUME

CONTROLS

(RIGHT)

LINE

IN

S9:

SAFETY

SWITCH

JACK

PLATE

ASSEMBLY

S10:

MANUAL

EJECT

SWITCH

WHT

LINE

OUT

GRN

:

a

-

NOTE:

BLK

os

NIL

...

se

ee

oe

ee

ore)

on

2

U

«

2

ie”

S

'

I

2

ae

:

RQ

soe

o

OO

en

2° o°

ao

5

oe)

,

bes

eK

'*

2

68

2

be

Oe

we

bes

8

oe

6.88

Oe

6

ee

sew

“a

my

a

Rp

PE

SSS

SOOO

NRC

SOS

TS

33

o

es

oe

%

;

ary

s

&

x 4 %

on

A

o

eo

ma!

Se

x

5

oy

3)

°

70

.

os

°

.

$

.

...Black

...Blue

...Brown

...Light

Blue

...No

Color

Mark

...ohield

Wire

..

Violet

...

White

YEL

......Yellow

The

circuit

shown

in

red on

the

conductor

is

B

circuit.

Values

indicated

in

[|

are

DC

voltages

between

the

chassis

and

electrical

parts.

EXPLODED

VIEWS

/

pene

ae

C

las

pee

<t

‘

%

r)

,

OFF

-

$11

CABINET

PARTS

Printed

in

Japan.

28

Of8

SY

ZERINNRRII

ei

HL2

224

ae

—

PR

WOES

pPy

¥O81

obu

RS

HOST

1P

"

WGT

&0y

REPLACEMENT

PARTS

LIST

MODEL

RS-8O5US

(Panasonic)

ATEENTION:

indicated

that

only

parts

specified

by

the

manufacturer

be

used

for

replacement

in

critical

circuits.

This

is

the

parts

list

for

PX.

|

RS-805US

M3

|

1

Screw

©3x

10

XSN3—10S

Head

Clamper

QMA2244.

|

=

BR

~

ol

=

rt

Oo)

|

ool

Head

Flat

Spring

Unit

QXJO1O1A

:

QHQ1189

=

eo)

Head

Height

Adjust

Screw

63

x6

XSN3+6S

Spring

Washer

-3¢

XWA3B

QBC1166

=

To)

ii

00

Head

Angle

Adjust

Spring

M10

Head

Plate

Unit

QXHO179

Head

Pressure

Spring

QBC1221A

XTB3+12B

il

|

-—

M12

Tapping

Screw

@®3x12

M13

Motor

QDM1311

a

M13-1

Eylet

QMP

14138

QBG1

349

M13-2

Rubber

Cushion

M14

Belt

QDBO177

M15

Screw

@23

x6

XYN3+C6

Ratchet

Spring

QMF1611C

M17

Cam

Stopper

QGGO0007A

Rubber

Washer

QBW2002A

a

8

M19

Plunger

Spring

QBC1220

M20

Plunger

QMEO140

Lock

Washer

2¢

XWC2B

M21

M22

Lock

Holding

Spring

—

QBT

1682

M23

lock

Holding

Plate

QML2531

=

IS

2

Stop

Ring

3¢

XUC3FT

XWG3FX

M25

Fiat

Washer

3¢

XUC2FT

Ly

M26

Stop

Ring

E2¢

RS-805US

Description

|

Part

No.

Ref.

No.

—

M27

.

a

‘Tetoron

Washer

:

M29

Stop

Ring

E4¢

|

M39

Flywheel

Retainer

Unit

:

RESISTORS

Rl,

2

Carbon

Resistor

100KQ_

=

1/4

W

R13,

14

os

|

47KQ.

1/4.

R45,

46

Solid

Resistor

150Q

1/2

W

ERC12GM151

Ee

1

AS

M32

Z

M33

1

34

1

=

38

6

M47

1

2

]

l

1

]

1

M48

M49

MS0

Ny

W

NO

R47,

48

Carbon

Resistor

150Q

1/4

W

ERD14VJ151

RS-805US

Description

Part

No.

Ref.

No.

R53,

BA

”

1OKQ

1/4

W

ERD1L4VJ103

R64,

65

Wire-wound

Resistor

3992

1/2W

ERM12PK3R9.

i

562

67

—

Solid

Resistor

1W

ERC1GM560

”

330

1

W

ERC1GM330

|

Carbon

Resistor

3.9KQ

1/4

W

ERD14VJ392

i

76

9

47

KQ

1/4

W

ERD14VJ472

Ris

-10

:

”

470

KQ

1/4

W

ERD14VJ474

79

Solid

Resistor

A7Q

1

W

ERC1GM470

EE

BS)

00

~

©

N

Carbon

Resistor

270Q

1/4

W

ERDL4VJ271

|

‘3

27KQ

1/4W

ERD14VJ272

VARIABLE

RESISTORS

VR1,

2

Variable

Resistor

—

20KQ

(D)

EVA72AA00D24

VR3,

4,

7

Semi-fixed

Variable

Resistor

50KQ

(B)

EVLS3AA00B54

RS

”

9

KQ

()

EVLS3AA00B53

CAPACITORS

C7,

8,

59

ECKD1H102PF2

13.14

%

A7

uF

FCEA1OV47L

C15,

16,

17,

18,27,

28

ee

C19,

20

»

3.3pF

|

ECEA25V3R3L

C23,

24,42,43

Mylar

Capacitor

0.0039"F

ECQM05392MZ

C29,-26;,31

:

»

0.0015¢F

ECQM05152MZ

C29,

30

Electrolytic

Capacitor

33uF

ECEA6V33L

ee

EE

|e

‘|

C32,

47

Ceramic

Capacitor

0.0022

uF

ECKDIH222KB

—

«3

—

7)

m

0

6.

Or

C

0

Ref.

No.

Description

Part

No.

(Pcs.)

C33

Mylar

Capacitor

:

0.0334F

ECQM05333MZ

C34

O.ieF

|

ECQMO5104MZ

C35

Electrolytic

Capacitor

220KF

ECEA16V220L

C36

,

330HF

ECEA16V330L

G39,,5L

ECEA25V470L

C40

”

A70ur

ECEA16V470L

C48

Mylar

Capacitor

0.022uF

ECQM05223MZ

|

ed

1

COMBINATION

PARTS

1

:

CR

Combination

Part

QCROOOST

TRANSISTORS

|

|e

a

Tri,

2,3,

4

Transistor

2SC1684

Tr5,

6,

7,8

2SC828

1W9340,45,.T2

2501317

?

SM102

ce)

D5,6,

LO,

|

"00

13:

leet

NO

TRANSFORMERS

Oscillator

Transformer

QLBO170S

Power

Transformer

QLPN3OIKH

fe

ee

We

SWITCHES

$l

Slide

Switch

(Record/Playback)

QSS1192

$3

|

Rotary

Switch

(Program

Indication)

-

QSROO30TM

S4

Sensing

Switch

(interlock

with

M2)

S5

|

Leaf

Switch

(Program

Selector)

QSBO0211

S6

Lever

Switch

(Fast

Forward

Selector)

QSTO021$

7

Micro

Switch

(Power

ON/OFF)

QSM0062A

-

oo

_—

ht

—

fo

—

Ne

eee

gene

:

RS-805US

8

Lever

Switch

(Panaject)

QSTOO2Z1S

9

|

Micro

Switch

(Safety

Switch)

QSMO040A

10

Leaf

Switch

(Eject)

QSB0211

Rotary

Switch

(Voltage

Select)

QSRO004B

Y

ee to

ELECTRICAL

PARTS

2

|

Level

Meter

QSL1030LM

Ss

&

Pilot

Lamp

:

XAMQ11P300

4

XAMQ16P300

i

ae

5

hes

ke

7

rm

12

E13

FI

i

m

fi

=

A

15

6

1

CABINET

PATRS

-

Cartridge

Lid

Spring

QBN1197

G6

|

Lever

Knob

QGT1242

1

2

G

@

|

Gt!

@

>

NM

|

HM

|]

RP

Wij

NM

]

ee

)

NO

SS

i

Od

Furope

PX

only

i

r

RS-805US

Per

Set

|

Ref.

No.

Description

Part

No.

QWQ1083

Square

Washer

8

jp

SwewGeete

Screw

@4x16

-|

XSN4+16R

~

Screw

@3x8

XTV3+8R

xe)

~

QBC1219

G10

Spring

ACCESSORIES

Remote

Control

Box

QZA0004

Head

Cleaning

Bar

—QFQ1025

Instruction

Book

QQTO941

Inside

Carton

QPN2978

Inner

Cushion

QPA0070

Poly

Bag

XZB36X46A08

Spacer

QPS0173

Ulu

UD;

U

>

Printed

in

Japan.

Panasonic RS-805US User manual

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