Panasonic Sh-mk390 User manual

ORDER

NO.

ap9101008c2.

1/3

ce

Manual

Remote

Controller

for

Digital

Audio

Tape

Deck

SH-MK390

Color

(H)...Gray

Type

Area

Country

|

Continental

Europe.

SPECIFICATIONS

Power

‘Supply’.

32

2s.:0-5/..63)

52.

a)

Saeed

cae

a

ale

12

VDC

aie

:

;

P

:

12

W

NOTE:

Specifications

are

subject

to

change

without

notice.

ower

consumption

........

00.

e

eee

‘

Weight

and

dimensions

are

approximate.

Connecting

cable

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

15

D

sub

connector

6

m/19%

ft

External

dimensions

(WxHxD)

..............2.

250

mmx

51

mmx

132

mm

(97R

2”«

54")

Weight

2)5

ec

ess

Bik

Sree

einer

UE

Ode

eee

SE

890

g

(approx.

2

pounds)

CONTENTS

Page

SET

UP

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2

SCHEMATIC

DIAGRAM..............::scscsssesrssccsescenseeseesennseeees

10~12

FRONT

PANEL

CONTROLS

.........c.scsssscsssesessenscessensrserneteses

PRINTED

CIRCUIT

BOARDG.............csscsserscesseeseesseneenaetnee

13,

14

BASIC

OPERATING

PROCEDURE

REPLACEMENT

PARTS

LIST....

15,

16

SHUTTLE

SEARCH

FUNCTION

...

neve

EXPLODED

VIEW..........sccssscsssssssenesssorersesssscatssenssnsscenseeneseenentesnens

17

DISASSEMBLY

INSTRUCTIONG.......

RESISTORS

&

CAPACITORS...

+

18

INTERNAL

CONNECTION

OF

LCD.............scsssssssssscscnnsesscenterees

8

PACKING

.........ccssssssccssssecrrenssnssanesssersreressneansccaveneensaseasneensenanseavens

18

TERMINAL

FUNCTION

OF

107S........cscssssssssscsscescsnansessesnensovezens

9

TERMINAL

GUIDE

OF

IC’S,

TRANSISTORS

AND

DIODEG.........c:sscscsescestscsossenessnsratnees

10

Panasonic

APSE

SH-MK390

|

MISET

UP

Installation

This

unit

is

a

precision

instrument.

Be

sure

to

place

it

on

a

flat

surface.

Avoid

placing

the

SH-MK390:

Near

any

equipment

or

device

that

generates

strong

magnetism.

On

any

heat-generating

equipment

or

device,

or

in

any

place

where

the

temperature

is

high

(35°C/95°F

or

higher).

Extremely

cold

places

(5°C/41°F

or

below).

Near

an

AM/FM

tuner

or

TV.

(It

may

produce

noise

in

the

broadcast,

or

disturb

the

TV

picture.)

For

long

periods

of

time

in

direct

sunlight.

In

dusty

or

smoky

locations.

In

locations

prone

to

vibrations.

Do

not

place

heavy

objects

on

top

of

the

unit.

When

carrying

or

storing

the

unit,

handle

it

with

care

so

it

is

not

subject

to

any

strong

bumps.

To

avoid

problems

due

to

vibration;

Do

not

place

a

book

or

similar

object

under

this

unit.

Do

not

route

the

connection

cables

(of

this

or

other

units)

NOTE:

When

using

the

SH-MK390,

do

not

use

the

9-pin

“IN”

connector

provided

on

the

rear

panel

of

the

SV-3900.

Connections

1

Connect

the

SH-MK390

plug

to

the

rear-panel

15-pin

socket

fitted

to

the

SV-3900,

as

shown.

2

Tum

the

two

set

screws

clockwise

so

lock

the

plug

to

the

socket.

Rear

panel

of

the

SV-3900

across

the

operation

panel,

across

the

top,

or

under

the

unit.

Mi

FRONT

PANEL

CONTROLS

The

control

panel

consists

of

the

following

components.

SHUTTLE

SEARCH

<jv

io

fon Bes

1)

SHIFT

button

T)

Numeric

keys

2)

MACHINE

button

8)

ALL/RECALL

button

3)

FUNCTION

button

9)

ENTER

button

4)

Editing

buttons

10)

Transport

Operation

buttons

5)

SHUTTLE

button

11)

SHUTTLE

SEARCH

wheel

6)

LCD

Display

Control

Section

Editing

Section

SH-MK390

Buttons

Name

Function

Buttons

Name

Function

=

PLAY

Use

to

initiate

recording

or

playback

mode.

("]

SHIFT

button

=

—This

unit

comes

with

two

kinds

of

editing

[=]

button/indicator

Use

also

to

manually

record

program

numbers

buttons:

during

recording.

eSingle

function

buttons

fmol

When

one

of

these

buttons

is

pressed,

the

PAUSE

Use

to

temporarily

interrupt

playback

or

function

indicated

on

the

bution

is

performed.

[]

button/indicator

recording

mode.

eDouble

function

buttons

o

When

one

of

these

buttons

is

pressed,

the

~

RECORD

Use

to

place

the

unit

in

record

standby

mode.

function

indicated

on

the

button

is

performed

as

[e]

button/indicator

above.

When

the

button

is

pressed

oO

simultaneously

with

the

SHIFT

button

being

sTon/

cLtan

STOP/CLEAR

Use

to

stop

all

functions.

held

down,

however,

the

function

indicated

[=]

button/indicator

This

button

also

clears

the

program

mode.

above

the

button

is

performed

instead.

=

In

this

way,

the

SHIFT

button

is

used

to

select

re)

CUE

FF/CUE

Use

to

advance

the

tape

rapidly,

or

for

audible

the

function

shown

above

the

double-function

[--]

button/indicator

high-speed

search

in

play

mode

(cue).

buttons.

newrney

REW/REV

Use

to

rewind

the

tape,

or

for

audible

——

ID

WRITE/

WRITE:

[=]

button/indicator

high-speed

search

in

play

mode

(review).

START

ID

button

Use

to

record

Start

or

Skip

ID's

during

indexing.

START

ID:

—

FORWARD

Use

to

skip

the

program

forward

to

the

desired

Use

to

enter

the

Start

ID

Write/Erase

mode.

[=]

SKIP

button

PNO.

Repeated

pressing

of

this

button

causes

‘aiv'io

the

unit

to

skip

forwards

several

program

numbers.

ID

ERASE/SKIP

ERASE:

ID

button

Use

to

erase

Start

or

Skip

ID's

during

indexing.

vas

REVERSE

SKIP

Use

to

skip

the

program

backward

to

the

desired

SKIP

ID:

;

button

PNO.

Repeated

pressing

of

this

button

causes

Use

to

enter

the

Skip

ID

Write/Erase

mode.

[=]

the

unit

to

skip

backwards

several

program

ae

ena

Se

numbers.

—

END

°

SEARCH/AUTO

Use

to

advance

at

high

speed

to

the

end

of

the

Numeric

keys

Use

to

input

Machine

number,

Program

PROGRAM

recorded

Portion

of

the

tape.

[o]~[2]

number,

and

Function

number.

NUMBER

button

Use

also

to

continue

recording

from

the

last

recorded

position,

or

to

find

the

total

number

of

ENTER

button

—_

Use

to

confirm

an

entered

Machine

number,

gong

as

ee

the

-

(in

Pro; ber,

or

Function

number.

SASS

OL

DSW

Se

tne

a

CO

nace

program

numbers

have

been

recorded).

ALL/RECALL

Use

to

enter

machine

commands

to

all

AUTO

PNO:

button

connected

decks,

and

to

show

the

sequence

of

Use

to

automatically

record

program numbers

program

play

set

ups.

or

Start

ID’s

during

recording

or

indexing

by

RECALL

q

iti

For

information

and

how

to

use

the

SHUTTLE

detecting

a

level

transition.

SEARCH

wheel

and

indicators,

see

page

6.

LCD

Displa

Buttons

Name

Function

ae

Geer)

FADE

IN

button

Use

to

start

recording

and

increase

the

sound

level

gradually

for

approx.

244

seconds,

until

START

ID

SKIPID

END

ERASE]

ed

bee

48KHz

32kH2)

[Tad

STARTID

SkIPID

ENDERASE]

[NDING

ANALOG

IN

DIGITAL

IN

SKIP

PLAY

TOC

PNO

~)

|

MACHINENO

acnumacn

:

REMAIN

my

ony

rey

me

AUTO

ALL

meey

pom

FADE

OUT/

=

FADE

OUT:

ee

Coo

+f]

oc

RENUMBER

Use

to

end

a

recording

by

gradually

reducing

ome

OOOOO

flll

oa

button

the

recorded

sound

level

for

approx.

5

seconds

Et

eee

so)

See

a

tg

an

and

then

enter

Record

Standby mode.

RENUMBER:

Use

to

assign

sequential

program

numbers

(01,

02,

03...)

to

Start

ID's

recorded

during

indexing.

pete

cy

MUSIC

SCAN/

=

M.SCAN:

SKIP

PLAY

Use

to

play

back

the

beginning

of

each

button

recorded

program

on

the

tape

for

about

15

seconds

for

quick

identification

of

program

content,

SKIP

PLAY:

Use

to

enter

Auto

Skip

mode.

Ene.

COUNTER

MODE:

MODE/END

Use

to

select

the

desired

counter

mode,

button

between

Absolute

time,

Program

time,

Time

Remaining,

TOC

and

Tape

Counter.

END:

Use

to

record

an

End

Mark

on

a

recording.

REPEAT

COUNTER

RESET:

RESET/REPEAT

Use

to

reset

the

tape

counter

to

“0000”

(when

button

the

display

mode

is

set

to

tape

counter

mode).

REPEAT:

Use

to

repeat

playback

of

a

tape.

SHUTTLE

button

Activates

the

front-panel

shuttle

search

wheel.

MACHINE

Use

to

enter

the

Machine

number

input

mode

button

to

specify

a

machine

number

for

control.

FUNCTION

Use

to

enter

the

Function

number

input

mode

button

to

select

one

of

the

SH-MK390’s

built-in

functions.

3H-MK390

nn

LCD

Display

Name

Meaning

LCD

Display

Name

Meaning

a

Sampling

Displays

the

sampling

frequency

during

TOC

(tabie

of

Indicates

the

total

Program

count

and

tape

frequency

tecording

or

playback.

contents)

length

of

a

tape

onto

which

the

TOC

indicators

Changes

automatically

depending

on

digital

indicator

information

has

been

recorded.

input

signal.

PNO

(program

Indicates

the

number

of

the

current

program.

INDEX

indicator

Indicates

that

one

of

several

Index

modes

have

number)

indicator

been

selected.

AUTO

indicator

Indicates

that

the

unit

is

set

in

the

automatic

START

ID

Indicates

that

a

Start

ID

is

being

or

has

been

recording

mode

for

Program

numbers

and

Start

STARTIO

indicator

recorded,

IDs.

SKIPID

SKIP

ID

indicator

Indicates

that

a

Skip

ID

is

being

or

has

been

REPEAT

This

indicator

is

used

for

repeat

loop-play

a

recorded.

indicator

function.

Indicates

that

all

programs

can

be

played

back

END

Indicator

—_

Indicates

that

an

End

Mark

is

being

or

has

been

Tepeatedly.

se

tecorded.

+o

Program

number

Displays

the

number

of

the

current

program

ERASE|

ERASE

Indicator

Indicates

that

a

Start

ID

or

Skip

ID

is

being

CF

display

when

PNO

indicator

appears.

Displays

the

TOC

CLEANING

indicator

DEW

indicator

ANALOG

IN

ANALOG

IN

indicator

DIGITAL

IN

DIGITAL

IN

indicator

SKIP

PLAY

SKIP

PLAY

indicator

Switch

Settings

Rear

panel

of

SH-MK390

erased.

Indicates

that

the

$V-3900's

DAT

heads

need

Counter

display

information

when

TOC

indicator

appears.

The

following

are

displayed

according

to

the

cleaning.

panel

setting

of

the

counter

mode

button:

(See

page

30

of

the

SV-3900’s

Operating

hy

8:4

a9 g

1)

absolute

time

Instructions.)

ome

CUFET

GL

This

display

is

the

default

mode

when

power

is

first

switched

on.

Indicates

the

formation

of

dew

within

the

2)

program

time

SV-3900.

3)

remaining

time

(See

page

29

of

the

SV-3900’s

Operating

4)

TOC

information

Instructions.)

5)

tape

counter

Indicates

that

an

analog

input

has

been

selected,

ALL

indicator

Indicates

that

all

SV-3900

decks

connected

to

the

SH-MK390

have been

selected,

and

will

follow

front-panel

transport

commands.

Indicates

that

a

digital

input

has

been

selected.

MACHINE

NO

MACHINE

Displays

either

the

machine

number

input

by

Oc

NUMBER

display

using

the

numeric

keys

or

the

machine

number

Indicates

that

Auto

Skip

mode

has

been

Oey

of

the

deck

which

is

being

specified

or

selected,

controlled.

Light

ON/OFF

ON:

The

back

light

of

the

LCD

display

is

illuminated.

switch

OFF:

The

back

light

of

the

LCD

display

is

turned

off.

Normally,

set

this

switch

to

OFF,

Set

it

to

ON

only

when

there

is

insufficient

light

in

the

room.

DIP

Switch

settings

Switch

Setting

Function

DIP-Switches

LIGHT

ON/OFF

Switch

1

Function

1:

ON

=

Dubbing

mode

OFF

=

released

2

Function

2:

ON

=

Continuous

Playback

OFF

=

released

3

Function

3:

ON

=

Continuous

Recording

OFF

=

released

4

Selection

of

Search

ON

=

Search

and

Pause

and

Play

or

Search

OFF

=

Search

and

Play

and

Pause

during

Program

Play

Mode

Unused

IAA

ON

=

Test

Mode

OFF

=

Normal

Mode

8

Test

Mode

Selection

For

further

information,

refer

to

the

SH-MK390

Service

Manual.

rer

een

tetet

Initially,

the

DIP

switches

are

set

to

OFF.

Tum

them

ON

as

necessary

when

using

the

function

keys,

and

other

modes.

Before

Using

the

SH-MK390

Operating

the

unit

with

the

SV-3900

CAUTION!

To

operate

the

specified

deck

only

To

operate

all

decks

Error

display:

NOTE:

1

-_

Before

using

the

unit,

carry

out

the

following

set

ups

on

the

SV-3900.

Set

the

Machine

ID

number

using

the

rear-panel

DIP

switches

on

the

SV-3900.

The

machine

number

can

be

set

between

00

and

31.

Refer

to

the

SV-3900

instruction

manual

for

details

of

how

to

set

the

Machine

ID

number.

Do

not

use

a

Machine

ID

number

that

has

already

been

allocated

to

another

deck.

Switch

OFF

the

power

to

the

SV-3900

before

setting

the

machine

number.

If

you

set

the

machine

number

with

the

power

ON,

switch

the

power

OFF

then

ON

again.

When

the

power

is

switched

ON,

the

machine

number

will

be

displayed

on

the

SH-MK390.

Switch

ON

the

deck.

When

the

power

is

first

switched

ON,

SV-3900

automatically

enters

the

Remote

mode.

Set

the

deck

to

the

local

mode

by

pressing

the

LOCAL/REMOTE

button.

Open

the

cassette

holder,

insert

a

cassette

tape

and

close

the

holder.

Set

the

unit

to

the

remote

mode

by

pressing

the

LOCAL/REMOTE

button.

Check

to

see

if

the

remote

indicator

is

illuminated.

Precautions

for

switching

ON

the

power

When

a

number

of

decks

are

connected

together

in

network

mode,

switch

ON

the

other

decks

first,

then

finally

switch

ON

the

deck

connected

to

the

remote

controller,

or

reset

it

with

function

key

9.

If

you

fail

to

perform

this

last

stage,

the

information

from

the

deck

connected

to

the

remote

controller

will

not

be

read

correctly.

(See

page

74

for

details

of

using

function

key

9.)

Precaution

to

be

observed

when

the

Machine

ID

numbers

are

changed

while

a

deck

is

being

used.

Reset

the

deck

with

function

key

9.

Press

the

MACHINE

button

to

enter

the

Machine

Number

Setting

mode.

“00”

will

flash

on

the

machine

number

display.

Using

the

numeric

keys,

input

the

machine

number

of

the

deck

to

be

operated.

The

input

machine

number

will

be

displayed

on

the

machine

number

display.

For

example:

To

input

“10”

as

a

machine

number,

press

the

1

and

0

buttons

in

sequence

on

the

Key

pad.

Press

the

ENTER

button.

The

selected

machine

will

now

respond

to

the

SH-MK390's

command

keys.

Press

the

MACHINE

button

to

enter

the

Machine

Number

Setting

mode.

“00”

will

flash

on

the

machine

number

display.

Press

the

ALL

button.

“AL”

will

be

displayed

on

the

machine

number

display.

Press

the

ENTER

button.

All

decks

connected

to

the

SH-MK390

will

now

respond

to

the

command

keys.

“Er”

will

be

displayed

in

the

machine

number

display

for

the

following

cases:

elf

a

SV-3900

is

not

connected

correctly

(incorrect

ES

Bus/P2

selection,

etc.)

elf

an

inappropriate

machine

number

is

input

(In

this

case,

confirm

that

the

machine

has

been

connected

correctly,

and

then

input

the

appropriate

machine

number

once

again.)

In

the

Machine

Number

Setting

mode,

only

the

numeric

keys,

ALL

button,

ENTER

button,

machine

number

button,

and

STOP

button

operate.

SH-MK390

Setting

the

Machine

Numbers

By

pre-setting

the

Machine

ID

number

of

each

connected

deck,

the

following

two

operations

can

be

performed

from

the

remote

controller.

1

Operate

a

specific

machine

from

a

number

of

decks.

2

Operate

all

connected

decks

simultaneously.

@

MACHINE

1)

Press

the

MACHINE

button

to

enter

the

Machine

Number

Specification

mode.

2)

Press

the

numeric

keys

to

specify

the

machine

number.

3)

Press

the

ENTER

button

to

operate

only

the

deck

with

the

corresponding

machine

number.

4)

or:

Press

the

ALL/RECALL

button.

5)

Press

the

ENTER

button

to

operate

all

decks

simultaneously.

Digital

Through

Put

Function

The

SV-3900

has

a

digital

through

put

function

which

enables

digital

input

signals

to

be

output

directly

between

several

serially

connected

decks.

In

this

way,

signals

can

be

sent

back

and

forth

between

decks

directly

without

changing

over

connections,

while

performing

program

editing

or

digital

dubbing

from

a

number

of

decks.

For

further

information,

refer

to

the

SV-3900

Operating

Instructions,

3H-MK390

BASIC

OPERATING

PROCEDURE

ao

REW/

REV

[+]

eure

saan

Oo

<J

a

i=)

FF/CUE

[=]

MI)

SHUTTLE

SEARCH

FUNCTION

During

playback

or

pause

mode

1)

2)

3)

4)

5)

6)

0

am]

@

©

SHUYILE

SEARCH

REV

Fwo

1

y

2

3

®

Press

the

SHUTTLE

button.

SHUTTLE

SEARCH

indicator

will

illuminate.

SHUTTLE

SEARCH

indicators

indicate

forward

or

backward

motion.

REVERSE

search

indicator

SHUTTLE

SEARCH

wheel

FORWARD

search

indicator

To

Begin

Recording

or

Playback

To

Interrupt

Recording

or

Playback

Temporarily

To

Stop

Recording

or

Playback

Rewind

Play,

Fast-Forward

Play

(During

playback)

Rewind,

Fast-Forward

(During

stop

mode)

NOTE:

Shuttle

search

Press

the

PLAY

button.

The

play

indicator

illuminates,

and

tape

playback

begins.

Press

the

REC

button,

and

then

press

the

PLAY

button.

The

rec

and

play

indicators

illuminate,

and

recording

begins.

Press

the

PAUSE

button.

The

pause

indicator

illuminates,

and

recording

or

playback

stops

temporarily.

Press

the

PLAY

button

to

resume

replay

or

recording.

Press

the

STOP

button.

Recording

or

playback

stops.

In

the

case

of

programed

play,

contents

of

the

SH-MK390's

memory

are

also

cleared.

When

the

FAST-FORWARD

button

or

REWIND

button

is

depressed

and

held

down:

Advances

or

reverses

the

tape

during

playback

at

about

3

times

normal

speed,

with

reduced

level

audio

output.

(This

mode

does

not

operate

during

recording.)

This

unit

is

also

provided

with

a

shuttle-search.

function;

the

shuttle

wheel

can

thus

be

used

to

perform

rewind

and

fast-forward

in

play

and

pause

mode.

For

more

details,

see

page

24.

When

the

FAST-FORWARD

button

or

REWIND

button

is

pressed

once,

the

SV-3900

advances/reverses

tape

at

about

250

times

normal

speed;

when

pressed

twice,

it

advances/reverses

tape

at

about

400

times

normal

speed.

Each

subsequent

press

causes

alternate

switching

between

the

250-times

and

400-times

speeds.

You

can

select

x

400

speed

search

for

SV-3900

—

See

Operating

Instructions.

If

the

SV-3900

is

not

going

to

be

used

for

extended

periods,

rewind

the

cassette

tape

to

the

beginning,

remove

it

and

turn

off

the

power.

This

function

allows

you

to

search

rapidly

forward

or

backward

on

the

tape

for

specific

sections

with

a

high

degree

of

accuracy,

while

listening

to

the

material

recorded

on

the

tape.

Shuttle

search

function

can

be

performed

only

in

the

play

or

pause

mode,

Search

play

speed

(four

steps)

in

forward

and

backward

direction

Operation

mode

Scale

Marking

Play

Pause

1

x3

xh

ee

2

x5

xl

ee

3

x9

x2

4

x15

x3

Crh

nnn

To

cancel

the

shuttle

search

mode,

press

the

SHUTTLE

button

again

or

press

the

STOP

button.

The

shuttle

search

indicator

goes

out.

SH-MK390

DISASSEMBLY

INSTRUCTIONS

Removal

of

the

bottom

cabinet

|

2.

Remove

the

1

screw

(6).

3.

Remove

the

connectors

(CN102,

CN103,

CN104,

CN105).

ee

gs

Removal

of

the

connection

cord

Procedure

1>2

1-3

Cord

holder

oF

sia

Connection

cord

A

1.

Remove

the

connector

(CN101).

2.

Remove

the

2

screws

(@,

@).

3.

Remove

the

cord

holder.

1.

Remove

the

connector

(CN101).

: ; :

.

2.

Remove

the

4

screws

(@~@).

4.

Pacey

chest

connection

cord

in

the

direction

of

ed

oa

|

Removal

of

the

shuttle

search

P.C.B.

Procedure

1-4

Shuttle

search

knob

Shuttle

search

P.C.B.

2.

Remove

the

connector

(P1).

1.

Pull

out

the

shuttle

search

knob.

3.

Remove

the

3

screws

(@~®).

iH-MK390

Ref.

No.

5

aaa

aa

acs

|

Removal

of

the

operation/LCD

P.C.B.

|

Procedure

1-5

é

|

SW

5

a

>

Wi

1.

Remove

the

2

screws

(@,

@).

2.

Remove

the

shield

plate.

3.

Remove

the

connector

(P203).

4.

Remove

the

4

screws

(Q@~@).

a

ee

Mi

INTERNAL

CONNECTION

OF

LCD

¢

SEGMENT

CONNECTION

DIAGRAM

ANALOG

mip

|

LAY

uO

A

iz)

MAGHINE-NO:

REMAIN

UTO

itt

+

CAA

EAL

a.

I

Li

me

INET

INT

E/E

Mian

STARMOSKIPIDEND

ERASE]

MEN

PLE

LIN

|

o

Z00

wo

F000

*

COMMON

CONNECTION

DIAGRAM

ANALOGINDIGHALIN.

SKIP-PEAY

FOC

PNG

uO

+f.

Vii

f

7

ili

TUT

ATU

Tl

iT!

SSS

NS

iS)

E

G

24

SH-MK390

TERMINAL

FUNCTION

OF

IC’S

©

10101

(M50747H256SP):

MICROCOMPUTER

*

[ovine]

_

eter

—

Power

supply

terminal

fie]

we

Joven

|

ter

[ve

|=

[arom

a

(Not

used,

open)

LED

dynamic

indication

SCAN

signal

Key

read

in

data

Shift

key

input

-

40

Bes

0

ee

|

ef

3

a

0

i

(Not

used,

connected

to

GND)

LRES

ro

LCD

driver

reset

signal

Key

scan

signal

Mode

set

up

of

DIP

SW

(Not

used,

connected

to

GND)

RS-422A

transmit

data

RS-422A

receipt

data

(Not

used,

connected

to

GND)

(Not

used,

connected

to

GND)

Transmit

data

break

signal

GND

terminal

Reset

signal

Clock

signal

input

Clock

signal

output

(Not

used,

open)

Shuttle

dial

data

bit

pattern

ee

—

Reset

signal

(Not

used,

open)

Segment

signal

Power

supply

terminal

Segment

signal

(Not

used,

open)

(Not

used,

connected

to

resistor)

(Not

used,

connected

to

resistor)

(Not

used,

connected

to

resistor)

15

COM

0

5

1

COM

3

1

SEGO

5

§

3

SEG

13

8

9

2

|

33

|

Vo

4

0,

1

(Not

used,

connected

to

resistor)

saree

MONON

Se

=

Pot

ae

|

ts

ate

or

eet

3

ae

14

s

49

a

29

5

3H-MK390

|

MESCHEMATIC

DIAGRAM

(Parts

list

on

pages

15,

16,

18.)

(This

schematic

diagram

may

be

modified

at

any

time

with

development

of

new

technology.)

Note:

°

$101

:

DIP

switch.

«

$102

:

Light

on/off

switch.

¢

$301

:

END/MODE

switch.

e

$302

:

SKIP

ID/ERASE

switch.

©

$303

:

START

!ID/WRITE

switch.

¢

$304

:

FUNCTION

switch.

©

$305~S308

:

Ten

key

switches.

(S305:

1,

S306:

4,

S307:

7,

$308:

0)

¢

$309

:

REPEAT/RESET

switch.

*

$310

:

SKIP

PLAY/M.

SCAN

switch.

¢

$311

:

AUTO

PNO/END

SCH

switch.

¢

$312

:

MACHINE

switch.

*

$313~S315:

Ten

key

switches.

(S313:

2,

$314:

5,

$315:

8)

¢

$316

:

RECALL

switch.

*

$317

:

SHUTTLE

switch.

¢

$318

:

RENUMBER/FADE

OUT

switch.

¢

$319

:

FADE

IN

switch.

¢

$320

:

SHIFT

switch.

*

$321~S323

:

Ten

key

switches.

(S321:

3,

$322:

6,

S323:

9)

©

$324

:

ENTER

switch.

¢

$325

:

REV

SKIP

switch.

¢

$326

:

FWD

SKIP

switch.

¢

$327

:

REW/REV

switch.

©

$328

:

REC

switch.

©

$329

:

PAUSE

switch.

*

$330

:

PLAY

switch.

«

$331

:

STOP/CLEAR

switch.

©

$332

:

FF/CUE

switch.

¢

Resistance

are

in

ohms

(Q),

1/4

watt

unless

specified

otherwise.

1K=1,000

(Q),

1M=1,000k

(Q)

¢

Capacity

are

in

micro-farads

(WF)

unless

specified

otherwise.

¢

All

voltage

values

shown

in

circuitry

are

under

no

signal

condition

and

playback

mode

with

volume

control

at

minimum

position

otherwise

specified.

(

|

eee

Voltage

values

at

recording

mode.

For

measurement

us

EVM.

¢(

===

)

indicates

+B

(bias).

*

Caution!

IC

and

LSI

are

sensitive

to

static

electricity.

Secondary

trouble

can

be

prevented

by

taking

care

during

repair.

*

Cover

the

parts

boxes

made

of

plastics

with

aluminum

foil.

*

Ground

the

soldering

iron.

*

Put

a

conductive

mat

on

the

work

table.

*

Do

not

touch

the

legs

of IC

or

LSI

with

the

fingers

directly.

MU

TERMINAL

GUIDE

OF

IC’S,

TRANSISTORS

AND

DIODE

M50747H256SP

M5M34050P

‘=

T

M5F78M05L

UPD7225G

]

SZ

33

e

6

“Kg

32

8

3

DTA143ZA

MA165TA

=

MA4220MTA

LN31GCPHLG3

LN41YCPHL

DTC143ZA

Bs

=

alas

Sass

Cathode

an

hae

Anode Anode

8

Cc

Cathode

e

Anode

‘e

=

Ca

A

ae

ce

Co

LN340GCP

LN440YCP

LN840RCP

VGL0404

Green

Orange

Red

Cathode

Anode

“Anode

Panasonic SH-MK390 User manual

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