Mattel INtelliViSiON" 2609 Bedienungsanleitung

SUBASSEMBL

V

SERVICE

MANUAL

I

NtElliViSiON"

Intelligent

Television

MODEL 2609

MATTEL ELECTRONICS

5150 Rosecrans Avenue

Hawthorne,

California

90250

TABLE OF

CONTENTS

I.

Diagnostic Routine

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

. Page 2

II. Preliminary Checklist

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

. Page 5

III. Troubleshooting

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

Page 6

IV. Disassembly Instructions

A. Console Disassembly Page 10

B.

Logic Board Replacement

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

Page 10

C.

Power Supply Board Replacement

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

Page 12

D.

Transformer Assembly Replacement

.........

.

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

Page

12

V.

Handcontroller Repair

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

.

.........

Page 13

VI. Power Supply Board Repair

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

Page 17

VII. Parts List

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

Page 18

VIII. Exploded View

of

Console Assembly

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

Page

20

TOOLS AND

EQUIPMENT

REQUIRED

•

Color

TV Receiver

• Basic Electronic Hand Tools

• Digital

Multimeter

(DMM)

• Test Cartridge MTE-201

-1-

DIAGNOSTIC

ROUTINE

SECTION

I.

Follow

this

procedure

until

you

find

a

malfunction.

Then

refer

to

the

PRELIMINARY

CHECKLIST

(Section

II, page 5 )

and

TROUBLESHOOTING

(Section

III,

page

6 )

and

locate

the

problem

or

condition.

Follow

instructions

to

correct

the

fault.

Before

re-

assembling

the

Master

Component,

go

through

this

DIAGNOSTIC

ROUTINE

again.

TURN

ALL

AUTOMATIC

COLOR CIRCUITS

TO

MANUAL

POSITION.

1.

Connect

the

Master

Component

to

TV,

plug

in

power

cord, set

the

Antenna

Switch

Box

to

TV and

determine

that

the

set

works

cor-

rectly on broadcast stations.

If

there is any

problem,

refer

to

the

PRELIMINARY

CHECKLIST.

2.

Set

the

Antenna

Switch

Box

to

GAME. Set

the

Channel

Select

switch

of

the TV

to

the

deSignated channel

for

the

Master

Component.

CARTRIDGE

3.

Insert

the

MTE-201

Test

Cartridge.

Slide

the

ON/OFF

Switch

to

the

ON

position

and

depress

the

Reset

Button

on

the

Master

Com-

ponent.

The

unit

will

proceed

through

a series

of

checks.

4.

At

the

completion

of

the

above test

sequence, the

Hand

Controller

test

display

will

appear

as

shown

in

Figure

1.

(a.) Press each key

on

the

Hand

Con-

trollers,

one

at a

time

and

verify

that

each

corresponding

test image

turns

from

yellow

to

white

when the

appropriate

key is depressed.

NOTE:

The

right

Hand

Controller

will affect

the

left test image and vice versa. -2-

(b.) Press

the

top

side

buttons

on

the

Hand

Controllers

one

at atime. Make sure

that

the

pair

of

Fs

change

from

yellow

to

white.

(c.) Press each

lower

side

button

on

the

Hand

Controllers

one

at a

time

and see

that

the

letters

Land

R

change

from

yellow

to

white.

(d.) Depress

the

directional

disc

on

each

Hand

Controller

and a

white

arrow

will appear

in

the

black

circle. As

the

directional

disc

is

rotated,

the

arrow

wi

II

rotate.

Check

to

see

that

the

arrow

pOints in 16

different

directions.

(e.)

Check

the

row

of

colored

boxes

for

similarity

as listed in Figure

1.

Next, depress

the

digit

keys 1 and 9

simulta-

neously

on

either

Hand

Controller

and

the

test

sequence

will

proceed

to

the

sound

checks.

1

l:r

9

TO

CONTINUE

1 2 3 1 2 3

I F 4 5 6 FI I F 4 5 6 FI

I L 7 8 9

RI

I L 7 8 9

RI

c 0 E c o E

•

812345678

COLOR

CODE:

I.

Blick

6.

light

Gr

••n

II.

BrDwn

2.

Blue

7.

Yellow

12.

Mlgenll

3.

Red

8.

White

13.

LIght

Blul

4.

Tin

9.

GrlY

14.

YIIIDw/Bnen

5.

Dirk

Green

10.

Orlngl

15.

Purple

Figure

1

Hand

Controller

Test Pattern

5.

Verify the

following

sequence

of

sounds

is

heard:

(a.) A

low

frequency

rumble

.

(b.) A high

note

stepping

down

through

five octaves (repeated three times).

(c.) Random noise (hissing)

starting

at a

high

volume and

diminishing

slightly.

(d.) A single tone, starting at a

high

volume

and

diminishing

slowly

.

(e.)

Two

gunshots, one at normal volume,

the

second

at

half

volume.

If all

of

these sounds are heard

as

described,

depress the CLEAR key

on

either Hand

Con-

troller. In the event any part of the test has

failed, depress the ENTER key. (NOTE: The

test sequence

cannot

be advanced if the

CLEAR

or

ENTER key is depressed

while

sounds are being generated.)

6.

The next segment

of

the test presents a

series of patterns,

ending

with the pattern

illustrated in Figure 2.

Check

colors

in the test

pattern against Figure 2

for

similarity

and defi-

nition

. If test pattern

accuracy

is satisfactory,

press the CLEAR key. If it is

unsatisfactory

,

press the ENTER key.

..

. - -

--

.- ..

--

.-

...

-_.

r .

>--- I ?

~

J 4

5 6

7~

.

7 I

I ' 1

A '

L'~'

1B

3

Ie

4

4 6

r

J

~

I

IE

2

IF

8 3

IG

4

.

~OK,

ENTER

=

BAD

1:17 ".-

COLOR

CODE

I.

Black

6.

Light

Green

II.

Brown

2.

Blue

7.

Yettow

12.

Magenta

3.

Red

8.

White

13

.

Light

Blue

4.

Tan

9.

Gray

14

.

Yettow

/

Green

5.

Dark

Green

10

.

Orange

15

.

Purple

Figure 2

-3-

7.

The next

portion

of

the test sequence is a

pattern

of

colored

blocks

with the

two

larger

blocks alternating with

the

words

MODE

TWO,

as

illustrated in Figure

3.

Check

colors

in test

pattern against Figure 3

for

similarity

and

defi-

nit

ion.

If

test pattern

accuracy

is satisfactory,

press

the

CLEAR key. If it is unsatisfactory,

press the ENTER key.

COLOR

CODE

: I.

Black

2. Bl

ue

3.

Red

4.

Tan

'.

'

.~

1:43

~

.

__

_ _

.-

_

-=-=-=

= =

==::::J

6.

Light

Green

7.

Yellow

B.

While

9.

Gray

11.

Brown

12.

Magenla

13

.

Lighl

Blue

14

.

Yellow

/

Green

5.

Dark

Green

10.

Orange

15.

Purple

Figure 3

8.

The last test alternatelyflashes the patterns

"FIB"

and "VIS." Press CLEAR

for

pass

or

ENTER

for

fail.

If

no

failure has been detected,the

title

page

for

Baseball will appear; this indicates the Master

Component

has passed all the

automatic

and

[

l.J<J!

J

~

LUosl

~

Figure 4

~

1-

Uo

9]

[lJ1S

J

operator

tests. In the event a

failure

has been

detected. instead

of

the

title

page being

displayed. a

display

as

shown

in Figure 4

will

appear

or

the test will

indicate

"Failure

at Test

_

"followed

by a letter between A and

Z.

If

either is displayed. refer

to

Section

111-6.

Page

9.

9. The

check

to

confirm

the

functional

operation

of

the Master

Component. When the

title

page

for

Baseball is

displayed.

follow

the

instructions

provided

with

the

MTE-201 Test

Cartridge

to

play

112

inning

of

Baseball.

Upon

successful

completion

of

the

baseball

game. the test

routine

for

the Master

Compo-

nent

is

complete.

10. This Diagnostic Routine can be

repeated-

from the

beginning-any

time

.

Just

press

the

RESET

button

.

-4-

PRELIMINARY CHECKLIST

SECTION II:

Before you refer

to

the

TROUBLESHOOTING

Section

which

follows,

look

at

this

list

of

pos-

sible

quick

solutions. Then,

if

any problem

persists, you

should

be able

to

find

it

in

TROUBLESHOOTING.

Turn

ON/OFF

Switch

to

ON

and press RESET.

With

the

Test

Cartridge

still inserted,

go

through

the

DIAGNOSTIC

ROUTINE

and

check

for

these problems:

PROBLEM POSSIBLE

SOLUTION

SCREEN IS

BLANK

-Press

any

key on

either

Hand

Controller

key pad

to

recover picture.

NO

TV

PROGRAMS

-

Check

connection

of

cable

from

Antenna

Switch

Box

to

antenna

connector

on

TV.

-Make sure

Antenna

Switch

Box is set at

TV.

-Make sure that coax cable is attached.

BUZZING

OR

DISTORTED

SOUND

-

Adjust

TV

fine

tuning

controls.

-If there is broadcast interference

from

a

strong

signal,

disconnect

antenna coax

from

Antenna

Switch

Box. (This

must

be

reconnected

for

broadcast viewing.)

NO

GAME

SOUND

EFFECTS -

Turn

up TV

volume

control.

-

Adjust

fine

tuning

.

WHITE-GRAY

SCREEN

OR SCREEN

IS

ONE

COLOR

-Make sure

cartridge

is

properly

inserted.

SNOWY SCREEN (NO

RF

CARRIER) -Make sure:

-

TV

tuner

is set

on

the

proper

channel.

-

Antenna

Switch

Box is set at GAME.

-

Game

coax cable is

properly

plugged

into

Antenna

Switch

Box

.

-Power

switch

is ON.

-Check all

connections

,

including

power

plug

.

TEST

IMAGE

NOT

DISTINCT

,

AS IF FROM WEAK

SIGNAL

-

Adjust

fine

tuning

, brightness, and con-

trast

controls

.

TEST

IMAGE

BLURRED,

-

Check

connections

at

Antenna

Switch

Box,

TV

antenna

connector,

and game

output

connector.

WOBBLY, OR

NO

COLOR

-

Adjust

fine

tuning,

brightness, contrast,

and color.

-

If

there

is

broadcast interference

from

a

strong

signal, di

sconnect

antenna cable

from

Antenna

Switch

Box

. (This

must

be

reconnected

for

broadcast viewing.)

-5-

TROUBLESHOOTING

SECTION

III

Find

the

Phrase

in

the

left-hand

column

below

which

best describes the

malfunction

or

con-

dition

you

encountered.

Follow

each

step

of

MALFUNCTION/CONDITION

1.

NO

TV

PROGRAMS,

NO

INTELLIVISION

TEST

PATTERNS,

SNOWY

OR

WHITE-GRAY

SCREEN.

the related

instructions.

Then

repeat

the

entire

DIAGNOSTIC

ROUTINE

as

described

in

Section

I.

SERVICE

INSTRUCTIONS

1.0

Verify

that

TV

receiver works.

1.1

Disconnect

Antenna

Switch

Box

assembly

and replace

with

a

known

good

unit.

1.2

Disconnect

Antenna

Cable and

replace

with

a

good

one.

1.3

Disassemble Master

Component

(See

Section

IV-A,

Page10).

1.4

Unplug

Master

Component

and

check

ON/OFF

switch

for

continuity.

1.5 When the

Component

is

dis-

assembled,

perform

the

following

test

procedure:

-6-

(a)

Carefully

remove

5-pin

ribbon

con-

nector

and

2-pin

plug

from

the

Power

Supply

Board

(see

Figure

5, Page 8).

(b)

Plug in

Master

Component

and

turn

ON/OFF

Switch

to

ON.

(e)

Connect

negative

probe

of

volt-

meter

to

Ground

Test

Point

on

the

Power

Supply

Board.

Connect

positive

probe

to

+5 Volt

Test

Point. Refer

to

Figure

5.

Meter

should

read 4.85-5.15

VDC.

(d)

With negative

probe

still

on

Ground,

connect

positive

probe

to

+12 Volt Test

Point.

Meter

should

read 11.64-12.36

VDC.

(e) With negative

probe

still on Ground,

connect

positive

probe

to

+16 Volt Test

Point.

Meter

should

read at least +16

VDC.

(f)

Connect

positive

probe

to

ground

and negative

probe

to -2.1 Volt Test

Point. Meter

should

read 1.95-2.25 VDC.

(g)

Connect

neyative

probe

to

ground

and

positive

probe

to

+5.65

volt

con-

nector

pin.

Meter

should

read

at

least

12 VDC.

MALFUNCTION/CONDITION

SERVICE

INSTRUCTIONS

1.

CONTINUED

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

(h)

Turn

power

off.

Reconnect

5-pin

ribbon

cable

and

2-pin

plug.

Turn

power

on

and remeasure

voltage

at

+5.65

volt

connector

pin.

Meter

should

read 5.45 -5.85 VDC.

If

voltage

is

not

within

limits,

turn

off

power

and

measure resistance

of

R2

(Figure

5).

I

,I

I

, . . '

DO

NOT

CHECK

SUPPLY

VOLTAGES

AT

THE

J3

RIBBON

CONNECTOR

AS METER PROBES

COULD

DAMAGE

CONNECTOR

PINS.

CHECK

VOLTAGES

AT

THE TEST

POINTS

SHOWN

IN

FIGURE

5.

-7-

If

OK, replace

logic

board.

If

not

OK,

troubleshoot

power

supply

board.

(i)

If

voltages

are present, replace

the

Logic

Board

(See

Section

IV-B,

Page

10).

(j)

If

the

abovevoltages are not present,

remove

the

5-pin

Transformer

Con-

nector

from

the

Power

Supply

Board.

DO

NOT

push

meter

probes

into

socket

holes

to

measure

voltage

or

socket

will

be damaged.

Touch

meter

probes

to

the

slide

contacts

visible

on

the

top

of

the

socket

to

measure voltages.

Set

meter

on AC, and

check

for

these

voltages:

-

With

probes in holes #3 and #1, meter

should

read

7,6 -9.4

VAC

RMS.

-

With

probes in holes #3 and

#2,

meter

should

read

7,6 -9.4

VAC

RMS.

-With probes in holes

#4

and #5, meter

should

read

15,3 -18,7

VAC

RMS,

(k)

If

all

voltages

read

as

described

in

Step

(j),

repair

or

replace

the

Power

Supply

Board

(See

Section

IV-C, Page

12).

(I)

If

any

voltages

differ

from

the

values

in

Step

(j), replace

the

Transformer

Assembly

(See

Section

IV-D,

Page12).

Verify

that

replacement

of

the

Trans-

former

Assembly

and/or

Power

Supply

Board

has

corrected

any

supply

volt-

age

problem

by

repeating steps

(b)

through

(h)

above.

If

voltages

are

correct

and a

known-

good

Logic

Board

has been

installed

but

symptoms

persist,

the

fault

could

be

with

Power

Connector

J3 on

the

Power

Supply

Board.

+

---{§]}--

8+

0

~

---<:@D--

---(@D-

--<I@--

-QD--

---oD-

TP1

CI

0

©

~

J3

rn

I

OPTIONAL

CONFIGURATION

I

GAIO

THAU

CAll

MAY

~

I

REPLACE

eAg

AI

~~

I

-QI}-----

I

1-

CAIO

--

-----@N}--

~

TP5

L_~~~~~~~

__

~

-

TP6

Figure

5 Test

Points

Location

Diagram

TP-1

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

GROUND

TP-2

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

+5V

DC

TEST

TP-3

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

+12V

DC

TEST

TP-4

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

+16V

DC

TEST

(Non·Regulated)

TP-5

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

-2.1V

DC

TEST

(Early

Production

-3.3V)

TP-6

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

+5.65V

DC

(Non-Regulated)

MALFUNCTION/CONDITION

2.

TEST

PATTERNS

OR

GAME

PICTURE

JUMBLED,

OR

UNWANTED

CHARACTERS

ON

SCREEN

3.

NO

SOUND

OR

GARBLED

SOUND

4.

BAD

ON/OFF

SWITCH

5.

TEST

CARTRIDGE

DOES

NOT

RESPOND

TO

HAN

D-CONTROLLER

(S)

SERVICE

INSTRUCTIONS

2.1

Follow

Procedure

1.5 (a)

thru

(I)

(See

Section"

I-I, Page 6).

3.1

Make

sure

that

TV

volume

is

turned

up, and

that

sounds

on

broadcast

stations

are

good.

3.2 Replace

Logic

Board

(See

Section

IV-B,

Page10).

4.1

Replace

Transformer

Assembly

(See

Section

IV-D,

Page

12).

5.1

Replace

Hand

Controllers

(See

Section

IV-B, Page

10).

5.2

If

Procedure

5.1

doesn't

cure

the

problem,

replace

Logic

Board

(See Sec-

tion

IV-B, Page

10).

-8-

MALFUNCTION/CONDITION

6.

TEST

INDICATES

FAILURE

IN PARTS

OTHER

THAN

HAND-CONTROLLERS

7.

NO

APPARENT

FAILURE

-

ALL

TESTS

PASS

SERVICE

INSTRUCTIONS

6.1 Replace

Logic

Board

(See

Section

IV-B, Page

10).

7.1

Insert

customer's

game

cartridge

in

Component

and

watch

for: mistakes in

lettering

on

title

picture,

jumbled

play-

field,

or

unwanted

characters. Test

with

a

known-good

Game

Cartridge.

If

prob-

lems

continue,

follow

Procedure

1.5 (a)

thru

(I),

Section

111-1,

Page 6 . If

prob-

lems

do

not

appear,-customer's

cartridge

is

defective

.

7.2 NOTE:

FOLLOW

THIS

STEP FOR

SHOP

SERVICE

ONLY:

Insert MTE-201 Test

Cartridge

and press

Reset. Run

the

diagnostic

tests until

the

television screen

shows

the

title

page

for

Baseball (the screen

will

show

"Mattei

Electronics

presents Baseball").

DO

NOT

touch

any

keys

or

switches.

Disconnect

or

turn

off

the TV set and let

the

Master

Component

burn-in

for

90 minutes.

After

90 minutes,

re-connect

or

turn on

the

television set.

The

title

page

should

be

seen on

the

television screen. Press Reset

and run

the

diagnostic

tests and play

V2

inning

of

baseball. If

the

results again

show

no

failures, the Master

Component

is

considered

to

be

GOOD.

IMPORTANT

REMINDER

After

completing

any

TROUBLESHOOTING

or

DISASSEMBLY, always

go

through

the

DIAGNOSTIC

ROUTINE

described

in

Section

I

before

reassembling

the

unit.

8.

TEST

CARTRIDGE

CHECK

8.1

Should

you

suspect

the

MTE-201

Test

Cartridge

to

be defective, it can be

tested

as

follows:

Depress keys 2 and 8

simultaneously

when

the

Hand

Controller

Test is

displayed

(Figure

1)

and a

check-

sum

will

be displayed.

The

display

should

look

like

this:

CART

CHECKSUM

LO=

00002371677

CART

CHECKSUM

HI=

00003372642

If

any

other

numbers

appear

or

the

num-

bers differ, it

indicates

a failure in

the

test

cartridge

and

another

cartridge

should

be

used.

-9-

Mattel INtelliViSiON" 2609 Bedienungsanleitung

Beliebte Fernsehempfänger Handbücher anderer Marken