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

:

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o

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en

2° o°

ao

5

oe)

,

bes

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68

2

be

Oe

we

bes

8

oe

6.88

Oe

6

ee

sew

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my

a

Rp

PE

SSS

SOOO

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SOS

TS

33

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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.

Panasonic RS-805US User manual

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