Panasonic RX-DT505 User manual

ervice

Portable

Stereo

System

COMPACT

oie

DIGITAL

AUDIO

ORDER

NO.

AD9204111C2

anual

Radio

Cassette

RX-DT505

Colour

CK).

serene

Black

Type

Areas

Suffix

for

Model

No.

Area

Colour

(EB)

Great

Britain

Europe

and

(Ee)

Germany

TAPE

DECK:

RX-FD55

MECHANISM

SERIES

(AR300)

TRAVERSE

DECK:

RX-DT55

MECHANISM

SERIES

(SODD110)

SPECIFICATIONS

General:

Power

Requirement:

Power

Consumption:

Power

Output:

Speaker:

Input:

Outputs:

Dimensions:

Weight:

Disc

Player

Section:

Sampling

Frequency:

D-A

Conversion:

Beam

Source:

No.

Channels:

Frequency

Range:

Wow

and

Flutter:

D/A

converter:

AC;

(EB)...240

(EG)...220

Battery;

(10

R20/LR20,

UM-1

batteries)

Memory

Back-up

for

Computer/

Clock;

R6/LR6,

UM-3

batteries)

W...PMPO

Woofer;

Dynamic

speaker

2.79

Tweeter;

Ceramic

speaker

MIX

MIC;

mV/200~600Q,

@3.5

HEADPHONES;

32Q,

23.5

OUT;

V(CD

dB)

680

(W)

174

(H)

263

(D)

6.6

without

batteries

44.1

kHz

16-bit linear

Semiconductor

laser

(wavelength

780

nm)

channels,

stereo

20~20,000

1/—2

dB)

Less

than

possible

measurement

data

MASH

BIT)

Notes:

Radio

Section:

Frequency

Range:

FM;

87.5~108

MHz

LW;

144~288

kHz

MW;

522~1611

kHz

Intermediate

Frequency:

FM;

10.7

MHz

(LW/MW);

459

kHz

FM;

14dByuV

MW;

dB/m/0.5

output

LW;

dB/m/0.5

output

Sensitivity:

Tape

Deck

Section:

Frequency

Range:

30~

16,000

(with

normal

tape)

30~

17,000

(with

CrO:z

tape)

Recording

System:

bias,

erase

(Deck

Tape

Speed:

4.8cm/s

Monitor

System:

Variable

sound

monitor

Track

System:

4-track

2-channel

stereo

recording

and

playback

Weights

and

dimensions

shown

are

approximate.

Design

and

specifications

are

subject

change

without

notice.

Panasonic

RX-DT505

CONTENTS

Page

@PRECAUTION

LASER

DIODE

.....................005

PREPARATIONS

FOR

CHECK

AND

ADJUSTMENT

@TIME

ADJUSTING.........

000...

ccc

cee

eee

eeeeee

PLC

Bes

watancthce

sas

mane

teem

alae

tee

eee

45~48

@LOCATION

CONTROLS

.........

0...

ccc

cccccceceuue

A~7

eMEASUREMENTS

AND

ADJUSTMENTS

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

49~52

e@HANDLING

PRECAUTIONS

FOR

TRAVERSE

DECK

......

eSELF

DIAGNOSTIC

FUNCTION................-..

@DISASSEMBLY

INSTRUCTIONS

.............20..0000.

8~20

eTROUBLESHOOTING

GUIDE

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

53,

RAGE

TCL

Ona

Wirek

DiI

ured

@FUNCTION

TERMINALS

...........0..00.0000-

55~54

@SCHEMATIC

DIAGRAM

.......cccccccccccccccccecee

21~32

@BLOCK

DIAGRAM...........0

0...

cece

cee

eee

60~66

@CIRCUIT

BOARD

DIAGRAM

...............00.00000.

33~38

eREPLACEMENT

PARTSLIST

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

67~74,

77, 78,

eWIRING

CONNECTION

DIAGRAM

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

39,

@LOADING

UNIT

PARTS

LOCATION

................005

75,

@CHECKING

THE

OPERATION

PROBLEMS

THE

@MECHANISM

PARTS

LOCATION

...............00005

79~81

TRAVERSEDECK

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

41,

@CABINET

PARTS

LOCATION

..........0...0.0.c00ee

cues

82,

@DIGITAL

SERVO

SYSTEM

.........

000.00.

cece

ee.

43,

CAUTION:

THIS

PRODUCT

UTILIZES

LASER.

USE

CONTROLS

ADJUSTMENTS

PERFORMANCE

PROCEDURES

OTHER

THAN

THOSE

SPECIFIED

HEREIN

MAY

RESULT

HAZARDOUS

RADIATION

EXPOSURE.

m™

PRECAUTION

LASER

DIODE

CAUTION:

This

product

utilizes

laser

diode

with

the

unit

turned

“on”,

invisible

laser

radiation

emitted

from

the

pick

lens.

Wave

length:

780

Maximum

output

radiation

power

from

pick

up:

100

ujW/VDE

Laser

radiation

from

the

pick

lens

safety

level,

but

sure

the

followings:

not

disassemble

the

optical

pick

unit,

since

radiation

from

exposed

laserd

diode

dangerous.

not

adjust

the

variable

resistor

the

pickup

unit.

was

already

adjusted.

not

look

the

focus

lens

using

optical

instruments.

Recommend

not

look

pick

lens

for

long

time.

hWONMD—

ACHTUNG:

Dieses

produkt

enthalt

eine

laserdiode.

eingeschalteten

zustand

wird

unsichtbare

laserstrahlung

von

der

lasereinheit

abgestrahlt.

Wellenlange:

780

Maximale

strehlungsleistung

der

lasereinheit:

100

upW/VDE

Die

strahlung

der

lasereinheit

ist

ungefahrlich,

wenn

folgende

punkte

beachtet

werden:

Die

lasereinheit

nicht

zerlegen,

die

strahlung

der

freigelegten

laserdiode

gefahrlich

ist.

Den

werksseitig

justierten

einstellregler

der

lasereinreit

nicht

verstellen.

Nicht

mit

optischen

instrumenten

die

fokussierlinse

blicken.

Nicht

uber

langere

zeit

die

fokussierlinse

blicken.

PwON>

CLASS

LASER

PRODUCT

LUOKAN

LASERLAITE

KLASS

LASER

APPARAT

RX-DT505

VARO!

Avattaessa

ADVARSEL:

USYNLIG

LASERSTRALING

suojalukitus

ohitettae-

VED

ABNING,

NAR

SIKKERHEDSAF-

ssa

olet

alttiina

BRYDERE

UDE

FUNKTION.

nakymattémalle

UNDGA

UDSATTELSE

FOR

STRALING.

lasersateilylie.

Ala

katso

sdteeseen.

VARNING!

—

Osynlig

“Msi

-Anvisi

laserstralning

nar

VORSICHT-Unsichtbare

DANGER-Invisible

denaadal-ai

bppiad

Laserstrahlung,

wenn

when

och

sparren

Abdeckung

geiffnet.

Nicht

dem

Strahl

aussetzen.

TIME

ADJUSTING

Before

operation,

press

the

operation

switch

turn

the

unit.

For

example:

set

the

time

16:20.

Press

the

timer

mode

button,

and

then

turn

the

jog

dial

select

the

“CLOCK”

mode

The

display

will

change

“P-TIMER’-"R-TIMER™—

“SLEEP"—"“CLOCK".

Press

the

SET

button.

Turn

the

jog

dial

adjust

the

correct

hour

display.

FWD:

Increase.

REV:

Decrease.

Ant

Flashing

Press

the

SET

button.

AVOID

DIRECT

EX-

urkopplad.

POSURE

BEAM.

Betrakta

stralen.

VARO!

Avattaessa

suojalukitus

ohitettae-

ssa

olet

alttiina

nakymattomalle

lasersateilylle.

Ala

katso

sateeseen.

ADVARSEL:

USYNLIG

LASERSTRALING

VED

ABNING,

NAR

SIKKERHEDSAF-

BRYDERE

UDE

FUNKTION.

UNDGA

UDSATTELSE

FOR

STRALING.

VARNING!

Osyntig

laserstralning

nar

denna

del

oppnad

och

sparren

urkopplad.

Betrakta

stralen.

VORSICHT-Unsichtbare

DANGER-Invisible

Laserstrahlung,

wenn

radiation

when

Abdeckung

gedffnet.

AVOIO

DIRECT

EX-

Nicht

dem

Strahl

POSURE

BEAM.

aussetzen.

Fig.

MODI

Turn

the

jog

dial

adjust

the

correct

minute

display.

Press

the

SET

button

finish

setting

the

time.

Note

that

the

minute

“00”

display

appears

following

“59”,

The

display

will

change

the

display.

but

the

hour

display

not

changed.

When

the

SET

button

pressed,

the

clock

reset

"0"

(Seo

second.

When

wrong

operation

occurs

while

operations

steps

1~3,

press

the

cancel

button,

then

the

unit

returned

the

mode.

Flashing

RX-DT505

LOCATION

CONTROLS

The

functions

indicated

the

numbers

with

black

back

ground

(for

example

can

also

activated

from

the

remote

control

transmitter.

(See

page

6.)

eCD/GENERAL

CONTROLS

Operation

switch

Play

button

(>)

Press

this

button

start

the

disc

play.

Volume

control

(VOLUME)

mode/stop

button

(CD/D)

Press

this

button

listen

stop

the

playing.

open/close

button

(CD

OPEN/CLOSE)

Beep

sound

button

(BEEP)

The

beep

sound

(beep)

will

emitted

each

time

the

operation

button

pressed.

The

beep

function

can

turned

and

off

pressing

the

beep

button.

Extra

bass

system

button

(XBS

LEVEL)

Tone

level

button

(TONE

LEVEL)

Compact

disc

edit

button

(CD

EDIT)

Press

this

button

select

the

desired

edit

mode.

Automatic

tape

level

setting

button

(ATLS)

@ ® ®

Press

this

button

begin

the

recording

from

CD.

Cancel

button

(CANCEL)

...t(‘

)}|

SET

button

(SET)

Jog

dial

(Al

JOG)

OOO

—

fit

Panel

cover

|____{

__}

(5)

Speakers

[Woofer]

(10

cm,

2.70)

—

Speakers

[Tweeter]

cm)

—————————

- :

p——-F\

Operation/battery

check/AC

connection

indicator

(OPR/BATT-STANDBY

(')

)

see

The

indicator

lights

green

when

the

unit

turned

on.

C—O

functions

battery

check

indicator

when

the

unit

_|__1]

operated

batteries.

When

the

mains

supply

used,

functions

connection

indicator.

(The

indicator

colour

changes

red

when

the

unit

turned

@®

oft)

Remote

control

sensor

Disc

tray

@0)

Headphones

jack

(PHONES)

(23.5,

320)

@))

Display

section

mode

indicator

(Cd)

Track

display

Playing

time

display

Repeat

indicator

((@5))

Program

indicator

([PROGRAM))

Random

indicator

(RANDOM)

Music

matrix

Over

mark

indicator

([>})

Volume

level

display

(VOLUME)

VOLUME

THe

“def,

-~-xo™mooupr

TUNER

CONTROLS

@®

Tuner

band

button

(TUNER,

BAND)

Press

this

button

select

the

desired

radio

band.

Tuning

mode

button

(TUNING

MODE)

Display

section’

Band

indicator

(FM/LM/MW)

Frequency

display

Channel

number

indicators

Program

indicator

([PROGRAM]))

Tuning

indicator

(Gy)

Stereo

indicator

(iia)

Monaural

indicator

([MoNo

])

the

mode/beat

proof

button

the

remote

control

unit

used

select

monaural

mode,

this

indicator

will

appear.

om7mmooawp

DECK

CONTROLS

RX-DT505

@3)

MODE

ONE

TOUCH

EDIT

—

CNCRMAL

[IGH

seer)

TAPE

CONTROL

(Corcx

Reverse

wopeoourenncse]

[as

)

@&KXIER)

DECK

Gea

boa

MODE

RX-DT505

Fast/tape

program

sensor

buttons

(<J<]

DP)

Press

one

these

buttons

fast

forward

rewind

the

tape

during

stop

condition,

skip

the

beginning

the

present

tune

during

playback.

Tape

mode/stop

button

(TAPE/X)

Press

this

button

listen

tapes

stop

the

tape.

Reverse-side

playback

button

(<))

Press

this

button

begin

the

playback

(or

recording)

from

the

reverse

side

the

tape.

Forward-side

playback

button

([>)

Press

this

button

begin

the

playback

(or

recording)

from

the

forward

side

the

tape.

Edit

recording

buttons

(ONE

TOUCH

EDIT)

Press

one

these

buttons

start

the

synchronized

edit

recording.

€)

Deck

selector

(DECK

1/2)

Press

this

button

select

the

operation

deck

(deck

2).

eTIMER

CONTROLS

——

ONE

TOUCH

EDIT

—

MOOE

MODE

(NORMAL

rie

eer)

LEVEL]

eel

eon

@})

Reverse

mode

select

button

(REVERSE

MODE)

Counter

reset

button

(COUNTER

RESET)

Press

this

button

reset

the

tape

counter.

@®

Rec-pause

button

#1)

Deck

cassette

eject

button

EJECT)

@5)

Deck

cassette

compartment

cover

Deck

cassette

compartment

cover

Deck

cassette

eject

button

EJECT)

Display

section

Tape

mode

indicator

(TAPE)

Tape

counter

Running

indicator

Deck

1/2

indicators

(EEN

Reverse

mode

indicator

(C_))

Link

edit

indicator

([Link]})

Edit

indicator

([EpiT})

Automatic

tape

level

setting

indicator

([aTLs

Recording

indicator

(GTx&)

Tape

direction

indicators

(<!<1

>>)

e-rommooo>r

Timer

play

button

(PLAY-TIMER)

Press

this

button

for

timer

play.

Timer

recording

button

(REC-TIMER)

Press

this

button

for

timer

recording.

Sleep

button

(SLEEP)

Press

this

button

when

you

wish

fall

asleep

while

listening

music.

Timer

mode

button

(TIMER

MODE)

Display

section

Timer

indicator

(ON)

Timer

play

indicator

(TIMER)

Timer

recording

indicator

(TIMER-REC)

Timer

OFF

indicator

(OFF)

Sleep

timer

indicator

(SLEEP)

Time

display

12m0O0OO

RX-DT505

@REAR

PANEL

SECTION

Telescopic

antenna

Handle

socket

(AC

IN~)

Battery

compartment

cover

output

jacks

(CD

OUT)

dB)

Mixing

microphone

jack

(MIX

MIC)

(@3.5,

200~600Q)

eREMOTE

CONTROL

OPERATION

Numeric

buttons

(1-10/0,

+10)

These

buttons

are

used

specify

the

CD’s

track

(1-10,

+10),

and

select

the

preset

memory

channel

the

tuner

(1-10).

Random

button

(RANDOM)

Press

this

button

let

the

microcomputer

make

random

selection

the

sequence.

Repeat

button

(REPEAT)

Press

this

button

activate

the

repeat

mode.

The

repeat

indicator

will

appear.

@®

Program

button

(PROGRAM)

Press

this

button

for

program-play

and

for

preset

memory

the

tuner.

mode/beat

proof button

(FM

MODE/B.P)

The

functions

this

button

change

according

the

selected

radio

band.

LW/MW:

Beat

proof

(for

recording

from

the

LW/MW

radio)

FM:

MONO/STEREO

@®

Pause

button

(11)

Press

this

button

stop

the

disc

temporarily.

Display

button

(DISPLAY)

Press

this

button

when

you

wish

confirm

the

present

time

while

listening

CD,

radio

and

tape.

Skip/search

buttons

(44/4.

/pp})

Press

one

these

buttons

skip

(backward

forward)

the

tracks,

(backward

forward)

the

desired

portion

the

disc.

Note:

Please

refer

“LOCATION

CONTROLS”

for

the

con-

trols

not

described

above.

RX-DT505

HANDLING

PRECAUTIONS

FOR

TRAVERSE

DECK

The

laser

diode

the

traverse

deck

(optical

pickup)

may

break

down

due

potential

difference

caused

static

electricity

clothes

human

body.

So,

careful

electrostatic

breakdown

during

repair

the

traverse

deck

(optical

pickup).

Optical

pickup

®Handling

traverse

deck

(optical

pickup)

not

subject

the

traverse

deck

(optical

pickup)

static

Lens

(Do

not

touch)

electricity

extremely

sensitive

electrical

shock.

prevent

the

breakdown

the

laser

diode,

anti-static

shorting

inserted

into

the

flexible

board

(FPC

board).

Variable

resistor

(Do

not

turn)

When

removing

connecting

the

short

pin,

finish

the

job

FPC

board

short

time

possible.

(Handle

carefully)

Take

care

not

apply

excessive

stress

the

flexible

board

(FPC

board).

not

turn

the

variable

resistor

(laser

power

adjustment).

has

already

been

adjusted.

sure

short

this

portion

Grounding

for

electrostatic

breakdown

(Use

the

shorting

clip.)

prevention

Clip

Shorting

Human

body

grounding

Use

the

anti-static

wrist

strap

discharge

the

static

electricity

from

your

body.

Work

table

grounding

Put

conductive

material

(sheet)

steel

sheet

the

area

where

the

traverse

deck

(optical

pickup)

placed,

and

ground

the

sheet.

Caution:

The

static

electricity

your

clothes

will

not

grounded

through

the

wrist

strap.

So,

take

care

not

let

your

clothes

touch

the

traverse

deck

(optical

pickup).

1+M0

Iron

plate

some

metals

conduct

electricity

DISASSEMBLY

INSTRUCTIONS

Use

Phillips

screwdriver

whose

blade

sure

place

the

unit

soft

cloth

similar

material

long

and

over

remove

screws

fixing

the

rear

prevent

scratches

when

disassembling

it.

cabinet.

long

and

over—

Soft

cloth

Handie

Remove

screws

(@,

@).

Slide

out

the

handle

the

direction

the

arrow.

|__

RX-DT505

Ref.

No.

Removal

the

Front

Cabinet

Front

cabinet

Procedure

=\,

Remove

the

battery

cover.

Remove

screws

(@~@).

Speaker

output

connector

(CP601)

Notes:

®Note

that

the

two

claws

(shown

the

right

figure)

hook

the

front

cabinet

when

removing

the

front

cabinet.

not

bend

pins

the

speaker

output

connector

Claw

Giaw

eee

Removal

the

Operation

P.C.B.

ies

Removal

the

Operation

Button

Procedure

1-2-3

1523-4

Nets

See

Soe

See

Operation

button

Remove

screws

(@,

@).

Release

claws

the

direction

arrow

@).

Remove

the

operation

P.C.B.

the

direction

arrow

daa

Removal

the

Cassette

Panel

Procedure

1-2-5

Release

claws

the

direction

arrows.

‘Cassette

panel

Sealing

panel

Pull

out

the

jog

dial.

Open

the

sealing

panel.

Release

claws

the

direction

arrow

Remove

screws

(@~®).

Remove

the

cassette

panel

the

direction

arrow

RX-DT505

Ref.

No.

Removal

the

Main

Unit

Procedure

1-25-56

Note:

Hold

the

unit

not

slip

down.

Main

unit

Since

the

unit

not

mounted

the

main

unit,

sure

Release

the

connector

(CP901).

hold

the

unit

not

slip

down

and

remove

Remove

screws

(@,

@).

from

rear

cabinet

shown

above.

Removal

the

Mechanism

Unit

Procedure

1>2—5-7

Mechanism

unit

Remove

screws

(@~@).

Remove

the

mechanism

unit.

Release

connectors

(J951,

J971,

CP301,

CP302).

Resolder

solders.

Remove

the

screw

(@).

Release

bosses.

Release

hooks.

Remove

screws

(@,

©).

SPNONAONS

Ref.

No.

Removal

the

Operation

Button

Removal

the

Operation

P.C.B.

Procedure

peo

1-2—5-8

1>2—5-—8—>

operation

P.C.B.

Release

the

connector

(CM801).

Release

claws

the

direction

arrows.

—4o=

Release

claws

the

direction

arrows.

Table of contents

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