Panasonic NN-6207 User manual

ORDER

NO.

MOD87050806C1

Service

Manua

Microwave

Oven

NN-6207

NN-6307

NN-6407

NN-6507

NN-6567

NN-6607

NN-6/707

NN-6757

NN-6807

Specifications

-——oatnuts

Powe

caine

min.

sec.

(Digital):--Touch

Control

moc!

min.

(Rotary)---NN-6207

Outside

Dimensions

20-7/8"

(W)

14-3/4”

(D)

14”

(H)

Oven

Cavity

Dimensions

13-7/8"”

(W)

12-5/8”

(D)

10-1/4”

(H)

354

(W)

320

(D)

259

(H)

Ibs

(15.0

kg)

ject

change

without

notice.

Specifications

sub

Matsushita

Services

Company

Panasonic

Hawaii

Inc.

Panasonic

Sig

Coompany,

Meadowland

Parkway,

91-238

Kauhi

St.

Ewa

Beach

Division

Migueshita

Electric

Secaucus,

New

Jersey

07094

P.O.

Box

774

Puerto

Ric;

inc.

Lal

Honolulu,

Hawaii

96808-0774

Ave,

Ininte

fia,

9.7

Matsushita

Electric

Victoria

Indusjgy

fark

Canada

Limited

Carolina,

Puet

00630

5770

Ambler

Drive,Mississauga,

Ontario,

L4W

2T3

1987

Matsushita

Electric

Corporation

America,

All

rights

reserved.

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

This

service

manual

covers

products

for

following

markets.

When

troubleshooting

replacing

parts,

please

refer

the

country

identifications

shown

below

for

your

applicable

products

specification.

APH---

For

U.S.A

and

some

Latin

America

countries

CPH:--

For

Canada

WARNING

This

product

should

serviced

only

trained

qualified

personnel.

Though

this

product

has

been

manufactured

compliance

with:

“Federal

Performance

Standard

CFR

Subchapter

J”

(D.H.H.S.):

U.S.A.

models

“Radiation

Emitting

Devices

Act”

(NHW):

Canadian

models

very

important

all

repairs

should

made

accordance

with

procedures

described

this

manual

avoid

being

exposed

excessive

microwave

radiation.

"3.

Check

for

radiation

leakage

after

every

servicing

according

the

“Procedure

for

Measuring

Radiation

Leakage”

page

22.

Any

serviceman

who

learns

any

accident

pertaining

microwave

radiation

leakage

should

immediately

notify

the

appropriate

address

listed

below.

U.S.A.

Matsushita

Services

Company

PUERTO

RICO

PSC

(MSC)

Meadowland

Park

way,

(PSC)

Ave.

Infanteria,

9.7

Secaucus,

New

Jersey

07094

Victoria

Industrial

Park

Attention:

Engineering

Support

Division.

Carolina,

Puerto

Rico

00630

(201)

348-7000

(809)

750-4300

HAWAII

PHI

CANADA

Matsushita

Electric

Canada

Limited

(PHI)

91-238

Kauhi

St.

Ewa

Beach

(MELCA)

5770

Ambler

Drive,

Mississauga,

P.O.

Box

774

Honolulu,

Hawaii

96808-0774

Ontario,

L4W2T3

(808)

682-2851

(416)

624-5010

There

are

special

components

used

the

microwave

oven

which

are

important

for

safety.

These

parts

are

shaded

the

schematic

diagram

and

marked

with

the

replacement

parts

list.

essential

that

these

critical

parts

should

replaced

with

manufacturer's

specified

parts

prevent

microwave

leakage,

shock,

fire,

other

hazards.

not

motify

the

original

design.

PRECAUTIONS

OBSERVED

BEFORE

AND

DURING

SERVICING

AVOID

POSSIBLE

EXPOSURE

EXCESSIVE

MICROWAVE

ENERGY

(A)

not

operate

allow

the

oven

operated

with

compartments,

check

the

magnetron,

wavegude

the

door

open.

—

transmission

line,

and

cavity

for

proper

alignmet,

in-

(B)

Make

the

following

safety

checks

all

ovens

tegrity

and

connections.

serviced

before

activating

the

magnetron

other

mic-

(D)

Any

defective

misadjusted

components

theinter-

rowave

SOUIce,

and

make

repairs

necessary:

lock,

monitor,

door

seal,

and

microwave

geneation

(1)

Interlock

operation

and

transmission

systems

shall

repaired,

repaced,

(2)

Proper

door

closing

adjusted

procedures

described

this

marqual

(3)

Seal

and

sealing

surfaces

(arcing,

wear,

and

other

before

the

oven

released

the

owner.

damage)

(E)

microwave

leakage

check

verify

compliance:

with

(4)

Damage

loosening

hinges

and

latches.

the

Federal

Performance

Standard

should

per-

(5)

Evidence

dropping

abuse

formed

each

oven

prior

release

the

ower.

(C)

Before

turning

microwave

power

for

any

service

test

inspection

within

the

microwave

generating

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

CONTENTS

(page)

LOCATION

NAMEPLATE......csssssssssssssneesscesseatatserssessseenseseeee

CAUTIONS

OBSERVED

WHEN

TROUBLESHOOTING........-ssseeee

FEATURE

CHART

..s0ns-ccressserecersressssesonssnsvsssnensnessnesaeseorarseate

DISASSEMBLY

AND

PARTS

REPLACEMENT

PROCEDURE

.........++e+0s+s

CONTROL

PANEL...

s:cesscssssteseeessserorsscessonsressesenereneasnscecanasees

COMPONENT

TEST

PROCEDURE.

cic2:vaussicd

scassaascasdsascdscensuestis

OPERATION

PROCEDURE

(Touch

Control

models)

.....++seseesesereseseeeees

MEASUREMENTS

AND

ADJUSTMENTS

......:ssssssssersrersecsrsensssenens

SCHEMATIC

DIAGRAM

(NN-6207)....ssssesssesesssscsscerecesseeserenseesees

PROCEDURE

FOR

MEASURING

MICROWAVE

ENERGY

LEAKAGE..........

SCHEMATIC

DIAGRAM

(Touch

Control

models)

(APH)

....-+s+e+srrseseeees

TROUBLESHOOTING

GUIDE

(For

NN-6207)

......ssssssssssssesssteneesssees

SCHEMATIC

DIAGRAM

(Touch

Control

models)

(CPH)

.....-++sseseeeeesrens

TROUBLESHOOTING

GUIDE

(Touch

Control

models).......ssssssseeeeeeees

DESCRIPTION

OPERATING

SEQUENCE.....ssssesssereseseesseesseeeereee

DIGITAL

PROGRAMMER

CIRCUIT

TEST

PROCEDURE

.......c:sssseseesees

AUTO

SENSOR

EXPLANATION,

EXPLODED

VIEW

AND

PARTS

LIST...s+scscscscsserssseressrsrsesstseseestirs

FACTORS

AND

POWER

LEVELS

.....ssssssssssssersssssesersrerseseaeneaees

LOCATION

The

nameplate

located

frame

the

escutcheon

base

illustrated

The

model

and

serial

numbers

will

found

this

nameplate.

NAMEPLATE

Fig.

—'

pants

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

FEATURE

CHART

NN-6707

NN-6807

nn-ors7

NWS007

NN-6507

NN-6567

NN-6307

Sater

NN-6407

;

CYCLIC

DEFROST

2-STAGE

COOKING

3-STAGE

COOKING

COOK

AUTO

COOK-WARM

SENSOR

FROZ-COOK

CONTROL

FROZ-COOK-WARM

AUTO

WEIGHT

DEFROST

AUTO

WEIGHT

COOK

AUTO

WEIGHT

FROZ

COOK

AUTO

REHEAT

TEMP

PROBE

COOK

AUTO

START

MECHANICAL

TIMER

MECHANICAL

VARI-POWER

>XNN-6407

only

NN-6807

NN-6607

NN-6407

CONTROL

PANEL

NN-6707

NN-6757

NN-6507

NN-6567

NN-6307

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567, NN-6607,

NN-6757

NN-6707,

NN-6807

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

OPERATION

PROCEDURE

(Touch

Control

models)

fiae

ststiiciveinsunininssexabinantcatanamtaenahaasne

CLOCK

POWER

DEFROST

Cgc

foc

cao

(ao)

Clock

Set

Time

Cooking

(2-Stage)

Time

Defrost

Auto

Weight

Defrost

Auto

Weight

Cook

Auto

Weight

Frozen

Cook

Auto

Reheat

Temperature

Probe

Cooking

desired

Auto

Sensor

Cook

LESS

desired

Frozen

Goo

[wore

]

[tess

]

Frozen

Cook

desired

Cook

Warm

[wore

]

[ess

]

Cook

Warm

LESS

desired

Auto

Sensor

Froz

Cook

Warm

FROZ-COOK

WARM

| |

LESS

For

detailed

operating

sequence,

See

pages

through

37.

NOTES

WHEN

PROGRAMMING:

CLOCK

SIT:

(1)

reset

time

day

(TOD)

tap

Clock

Pad

twice

clear

the

time

and

enter

the

correct

TOD.

;

(2)

The

clock

will

keep

the

TOD

long

oven

plugged

and

electricity

supplied.

AUTO

WEIGHT

DEFROST:

(1)

Stand

time

cooking

can

programed

after

Auto

Weight

Defrost.

(2)

Auto

Start

can

not

programed

before

Auto

Weight

Defrost.

—

(3)

The

shape

and

size

the

food

will

determine

the

maximum

weight

the

oven

can

accommodate.

AUTO

WEIGHT

COOK:

(1)

Stand

time

cooking

can

programed

after

Auto

Weight

Cook.

(2)

The

shape

and

size

the

food

will

determine

the

maximum

weight

the

oven

can

accommodate.

AUTO

WEGHT

FROZEN

COOK:

(1)

Stand

time

cooking

can

programed

after

Auto

Weight

Frozen

Cook.

(2)

The

shape

and

size

the

food

will

determine

the

maximum

weight

the

oven

can

accommodate.

AUTO

FRENEAT:

(1)

Stand

time

cooking

can

programed

after

Auto

Reheat.

POWER

[+]

START

==]

AUTO

SENSOR

COOKING:

(1)

The

Auto

Sensor

system

works

detecting

build-up

steam

the

humidity

sensor.

foods

cook

microwave

oven,

steam

produced.

When

foods

are

covered,

the

steam

will

build

and

escape

from

the

dish

turst

when

this

burst

steam

detected

the

humidity

sensor

the

oven

autonatically

calcu-

lates

the

remaining

cooking

time.

(2)

When

Auto

Sensor

Cycle

selected,

through

will

appeain

the

display

window.

The

oven

door

should

not

opened

for

longer

than

on:

minute

when

through

appears

the

display

window.

Opening

the

may

cause

inaccurate

cooking

results.

Once

the

steam

detected,

two

beepsig

nal

heard

the

remaining

cooking

time

immediately

appears

the

display

widow

and

be-

gins

count-down.

this

time,

the

oven

door

may

opened

stir,

turn

add

foods.

(3)

The

room

air

temperature

surrouding

the

oven

should

not

abve

95°F

when

using

Auto

Sensor

Cooking

feature.

Inaccurate

cooking

may

result

(4)

Foods

less

than

ounces

should

cooked

power

and

tine

not

the

Auto

Sensor

Cooking

Cycle.

TEMPERATURE

PROBE

COOKING:

(1)

Temperature

probe

must

insurted

least

one

inch

into

center

food.

(2)

not

store

probe

inside

oven

cavity.

Should

oven

turned

accidentally,

damage

probe

and/or

oven

may

result.

(3)

not

allow

temperature

probe

tip

touch

surface

oven

wi.

Damage

probe

and/or

oven

may

result.

(4)

the

second

stage

temperature

lower

than

the

first

stage

tempentu

re,

the

oven

will

turn

off

after

the

first

stage

cooking

completed.

—-6-—

SARA

INANE

ANNEAL

EAE

IEE

ISAS

AMID

ERECT

AOE

AAD

EEE

CEN

REIS

NOH

ett

RIS

Sih

Kins

ABASIC

Stet

RRMEA

RNS

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

~~»

SCHEMATIC

DIAGRAM

(NN-6207)

SCHEMATIC

DIAGRAM

NOTE:

Door

closed.

Timer

switch

off.

Ground

7},

Chassis

This

model

does

not

have

start

button

and

PLUG

therefore

microwave

activity

will

start

soon

WHITE

BLACK

the

door

closed

and

timer

set.

Special

caution

must

taken

when

working

(1)

with

the

oven

energized.

THERMAL

CUTOUT

(MAG.)

THERMAL

CUTOUT

(OVEN)

r--

SWITCH

IMPORTANT

SAFETY

NOTE:

THE

SHADED

AREA

THIS

SCHEMATIC

DIAGRAM

INCORPORATES

SPECIAL

FEATURES

IMPORTANT

FOR

PROTECTION

FROM

MICROWAVE

RADIATION,

FIRE

AND

ELECTRICAL

SHOCK

HAZARDS.

WHEN

SERVICING,

ESSENTIAL

THAT

ONLY

MANUFACTURES

SPECIFIED

PARTS

USED

FOR

THE

CRITICAL

COMPONENTS

THE

SHADED

AREAS

THE

SCHEMATIC

DIAGRAM.

WIRING

DIAGRAM

THERMAL

CUTOUT

(OVEN)

LATCH

SWITCH

MOTOR

COIL{S-6)

SWITCH

TURNTABLE

MOTOR

BLA

HIGH

VOLTAGE

CAPACITOR

nasdninisssenslsatstie

bud

pet’

Saath

semen

HAM

MCAS

RCN

Sneha

EAC

SNS

NN-6207, NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

SCHEMATIC

DIAGRAM

(Touch

Control

models)

(APH)

SCHEMATIC

DIAGRAM

Meer

nie

net

coaabéa.

Ground

PLUG

WHITE

BLACK

777

Chassis

THERMAL

CUTOUT

(MAGNETRON)

TEMP

PROBE

(NN-6607)

Low

NOLTAGE

FoR

HUMIDITY

SENSOR

(NN~6707/6807)

TEMP

SENSOR

(THERMAL

PROTECTOR)

IMPORTANT

SAFETY

NOTE:

THE

SHADED

AREA

THIS

SCHEMATIC

DIAGRAM

INCORPORATES

SPECIAL

FEATURES

IMPORTANT

FOR

PROTECTION

FROM

MICROWAVE

RADIATION,

FIRE

AND

ELECTRICAL

SHOCK

HAZARDS.

WHEN

SERVICING,

ESSENTIAL

THAT

ONLY

MANUFACTURES

SPECIFIED

PARTS

USED

FOR

THE

CRITICAL

COMPONENTS

THE

SHADED

AREAS

THE

SCHEMATIC

DIAGRAM.

WIRING

DIAGRAM

THERMAL

CUTOUT

[213T+[sTel7[s

{sho}

SWITCH

{NN-6707/6807)

HUMIDITY

SENSOR

or)

TY)

[1]

OOD

@®

]

DIGITAL

PROGRAMMER

SWITCH

emRcUIT

TURNTABLE

MOTOR

TRANSFORMER

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

SCHEMATIC

DIAGRAM

(Touch

Control

models)

(CPH)

closed.

SCHEMATIC

DIAGRAM

Saad

Prcareear

PLUG

WHITE

BLACK

Ground

WHEN

SERVICING,

ESSENTIAL

THAT

ONLY

MANUFACTURES

SPECIFIED

PARTS

USED

FOR

THE

CRITICAL

WIRING

DIAGRAM

ann

[o——

(Paovecror

)

(NN-6707/6757

COMPONENTS

THE

SHADED

AREA

THE

SCHEMATIC

DIAGRAM.

76807;

HUMIDITY

SENSOR

DIGITAL

PROGRAMMER

CIRCUIT

SYMBOL

o|Q

alo

Ala

HIGH

VOLTAGE

CAPACITOR

Hele

A}3\8|9

5|2lml&

2/3

/A\<

HIGH

VOLTAGE

TRANSFORMER

min

OVEN

60Hz

(t)

wot,

TEMP

PROBE

Talal

(NN-6607)

: :

HUMIDITY

SENSOR

(NN-6707/6757/6807)

TEMP

SENSOR

(THERMAL

PROTECTOR)

IMPORTANT

SAFETY

NOTE:

THE

SHADED

AREA

THIS

SCHEMATIC

DIAGRAM

INCORPORATES

SPECIAL

FEATURES

IMPORTANT

FOR

PROTECTION

FROM

MICROWAVE

RADIATION,

FIRE

AND

ELECTRICAL

SHOCK

HAZARDS.

ERI

NN-6207,

NN-6307,

NN-6407

NN-6507,

NN-6567,

NN-6607,

NN-6757

NN-6707,

NN-6807

DESCRIPTION

OPERATING

SEQUENCE

Variable

power

cooking

control

(NN-6207)

The

vari-power

controller

controls

the

ON-OFF

time

the

vari-power

OUTPUT

POWER

ON,

OFF

TIME

switch

vary

the

output

power

the

microwave

oven

from

“Warm”

INDICATION

VARI-POWER

SWITCH/

“High”.

The

vari-power

controller

part

the

timer

assembly.

The

TOMER

POWER

RELAY

timer

assembly

consists

timer

motor,

timer

switch,

vari-power

switch

225

and

the

combination

gears,

cam

and

actuater

lever.

22/22

(700W)

One

complete

cycle

the

vari-power

controller

seconds,

which

“

”

“

”

;

17S

the

vari-power

switch

tumed

“ON”

“OFF”

the

cam

rotation

47/22

(70%)

13S

Defrost

138

14S

Low

8/22

(30%)

OEE

18S

Warm

4/22

(15%)

Defrost

Approx.

Please

refer

description

(Touch

model)

110W

cyclic

defrost.

the

second

period.

controlling

the

timing

the

vari-power

switch

“ON”

period,

the

120V

supplied

the

high

voltage

transformer

interrupted

intermit-

tently

that

the

average

output

power

the

microwave

oven

varied.

Fig.

shows

the

timing

chart

vari-power

switch

operation

respect

the

power

setting

the

control

panel.

NOTE:

The

ON/OFF

time

ratio

does

not

correspond

with

the

percentage

microwave

power

since

approximately

seconds

are

required

for

heating

magnetron

filament.

1”.

Variable

power

cooking

contro!

(Touch

control

models)

The

coil

power

relay

(RY2)

energized

intermittently

the

digital

programmer

circuit,

when

the

oven

set

any

power

selection

except

for

High

power

position.

The

digital

programmer

circuit

controls

the

ON-

OFF

time

power

relay

contacts

order

vary

the

output

power

the

microwave

oven

from

“Warm”

“High”

power.

One

complete

and

OFF

cycle

power

relay

seconds.

The

relation

between

indications

the

control

panel

and

the

output

the

microwave

oven

shown

Fig.

NOTE:

The

ON/OFF

time

ratio

does

not

correspond

with

the

percentage

aavered

microwave

power

since

approximately

seconds

are

required

for

heating

magnetron

filament.

Cyclic

defrost

(Touch

control

models)

When

defrost

power

and

defrosting

time

are

selected

and

Start

pad

Fig.

TOTAL

DEFROSTING

TIME

tapped:

(A)

The

digital

programmer

circuit

(DPC)

divides

the

total

defrosting

time

Fig.

into

equal

periods,

consisting

four

defrosting

periods,

each

followed

astanding

periods.

(See

Fig.

(B)

During

defrosting

power

energized

for

ONE

DEFROSTING

PERIOD(T-@)

seconds

and

de-energized

for

seconds

DPC.

(See

Fig.

198

(C)

During

standing

periods,

power

relay

always

open

resulting

‘Ic

microwave

power.

NOTE:

Defrost

time

selected

converted

into

seconds

the

DPC

but

display

will

show

selected

time

minutes

and

seconds

prog-

rammed.

The

total

number

seconds

divided

into

time

periods.

The

remainder

(seconds

not

equally

divisible

are

added

the

last

standing

time

period.

Example

defrosting

time

selected

for

minutes

seconds,

each

Fig.

operating

period

will

follows

(See

Fig.

minutes

seconds

176

seconds

2MIN_S6SECLI76SEC)

176/38

DCFROSTINO(

228)

STANDING(228)

DEFROSTING(

228)

SPNOING(22S)

OSFROSTING(

228

Stance

25)

Example

defrosting

time

selected

for

minutes,

each

operating

period

will

follows

(See

Fig.

minutes

300

seconds

300/8

and

remainder

seconds.

The

seconds

added

the

last

time

period.

NOTE:

When

defrosting

time

selected

for

not

than

seconds,

the

power

relay

will

not

energized

all.

Fig.

SMIN

(300SEC)

1ST

1sT

2N0

ast

SFROSTING(

37S}

STANDING(37S)

)OEFROSTING(37S)

STANODINGI3/S)

thee

NDING.

418)

93)

138

98163,

Fig.

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