NAD 214 Manuel utilisateur

SERVICE

MANUAL

©

=

WN

=

+

=

Nl

am

LL

a

af

oz

cc

—_

Y

SERVICE

SAFETY

PRECAUTIONS

(UL)

1.

Use

exact

replacement

parts

for

critical

locations

marked

ANG

2.

Return

lead

dress

to

original

position

and

re-install

protective

covers.

3.

Before

returning

to

customer,

test

for

shock

hazard;

use

either

mothod

A

or

B:

A.

Leakage

test

“cold”:

1.

Unpiug

the

AC

cord;

turn

power

switch

ON.

2.

Connect

one

lead

of

High

Voltage

Insulation

Tester

to

both

prongs

of

the

AC

plug.

3.

Touch

other

lead

to

all

exposed

metal

parts.

:

4.

Impedance

measurement

must

be

0.3-5.0

Megohms.

B.

Leakage

test,

“live”

:

1.

Plug

unit

directly

into

the

AC

outlet:

do

not

use

isolation

transformer.

2.

Connect

one

lead

of

the

Leakage

Current

Tester

to

earth

ground.

3.

Touch

other

jead

to

all

exposed

metal

parts.

4,

Leakage

measurement

must

be

less

than

0.5

milliamps.

214/216

©

STEREO

POWER

AMPLIFIER

TABLE

OF

CONTENTS

SPECIFICATIONS

E03

VEE

ES

SORE

EPR

D

BES

ER

SL

UD

3

GEAR

DANEEL

§

ob

2-8

Gao

a

dk

Mi eS

AACS

PERO

S

TOC

ECA

4

FRONT

PANEL.

fee

Seek

eo

Me

eee

hae

Re

Be

ieah

oh

Seg

4

BOD

LAYOUT

Sis

2s

BEES

Hie

BRR

Sah

PA

De

RIES

ES

5

EYSLODED

VIEW

PARTS

EIST

V4

-#

Stes

Soh ook

Shae

ae

es

hee

pa

6

EXPLODED

VIEW

—

ve

@

elecale

eS)

ea

See

wi

cep

Rag

iw

ts

Sy

PE

ae

7

WIRING

DIAGRAM

---

-

PY

ce

OTe

wide

Fee

ech

Pash

te,

Mee

ahh,

os

ROMs

Sb

Gunes

SOND

ene

ee

can

Bg

Re

Gg

8

SCHEMATIC

DIAGRAMS

OA.

6

Pee

eh

Ak

EAE

Ge

ER

ee

ae

dhe

bkoy

aeons

ae

9

Da

ine

ne

OGY

ee

RR

oe

AG

als

eRe

Te

ewe

10

ELECTRICAL

PAR

TS

UST

ete

oe

BI

ee

ese

hee

11

ALIGNMENT

PROCEDURE.

Se

s.ab

etre

ote

coe

eit

ae

ee

et

eS

14

PACKING

DIAGRAM

och

a>

totter.

Ate

Re

GSS

BE

eS

OE

Be

rs

15

NOTE:

The

"A",

given

after

an

item

number,

refers

to

the

part

number

for

the

model

216

only.

rea

SPECIFICATIONS

Specifications

are

measured

in

accordance

with

EIA

Standard

RS-490

(IHF

T-202)

for

amplifiers.

STEREO

MODE

214

Continuous

Power

Output...

8

ohms

80W

(20H2/1kHz/20kHz

at

rated

THD)

4

ohms

120W

Clipping

Power

at

0.1%THD..........0..

8

ohms

95W

(1kHz)

4

ohms

150W

Rated

THD

(with

8OKHZ

LPF)...........ccccccccseceeeeeeeeeteeeceeeeeeeners

0.03%

20H2/1kHz/20kHz

at

rated

power

Soft

Clipping

THD,

1KHZ...........

ec

ccecssseeensennteeeeeeeeeeeeeeeeeeees

10%

Output

Reduction

1dB

Signal/Noise

Ratio,

1KHZ..........

ee

ref.

1W

96.5dB

(A-weighted,

220

ohm

load)

ref.

8

ohms

rated

power

115.5dB

Frequency

ReSponse...............

cece

eee

eeeeee

20Hz

0~-0.3dB

20kHz

-0.2~-0.8dB

Input

Sensitivity,

1KHZ......

eee

eeseseeeestneeeeeeeeeees

895+30mV

(Rated

output

into

8

ohms)

Channel

Separation.............00..ceceeeeeeees

1kHz

75dB

10kHz

58dB

DAMPING

FaCtOlesiecscccsteccassesencestonvsccusiattereeeeagates

st

qadvusei

on

vecteaed

200

(at

50Hz/8

ohms)

Dynamic

Powe?l.............

cece

eeeeeeeeeeeeees

8

ohms

110W

4

ohms

180W

2

ohms

250W

BRIDGE

MODE

Continuous

Power

Output........000

8

ohms

240W

(20H2/1kHz/20kHz

at

rated

THD

with

80kHz

LPF)

Input

Sensitivity.........000

ene

eeeeeeeeeeneeeeeeeeeaa

es

775+40mV

(Rated

output

into

8

ohms)

PHYSICAL

Dimensions

(Width

x

Height

x

Depth)...

435

x

128

x

370mm

Gross

Weight

seis

cerca

ehhh

ees

ethers

at

12.5kg

(27.5ibs)

Power

consumption

at

120,

220

or

240VAC,

50/60Hz............

384VA

216

125W

200W

150W

250W

0.03%

10%

1dB

96.5dB

117.5dB

0~0.3dB

-0.2~-0.8dB

1120+40mV

75dB

58dB

200

170W

280W

400W

1000450mV

435

x

146

x

370mm

15.5kg

(34.

1Ibs)

540VA

WARNING:

TO

PREVENT

FIRE

OR

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

FRONT

PANEL

Stereo

Power

Ampiifier

216

sort

snoat

POWER

CLIPPING

MODE

POWER

Switch

POWER

Indicator

SOFT

CLIPPING

Indicator

BRIDGE

MODE

Indicator

ROMs

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

"dangerous

voltage"

within

the

product's

enclo-

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

of

the

presence

of

important operating

and

maintenance

(servicing)

instructions

in

the

literature

sure,

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

accompanying

the

appliance.

of

electric

shock

to

persons.

REAR

PANEL

‘wra0a$

woo

‘Or

aMOMO)

|

OFF

(aTERED)

1.

BRIDGE

MODE

Switch

2.

INPUT

Jacks

3.

SOFT

CLIPPING

Switch

4.

SPEAKER

OUTPUT

Terminals

5.

AC

POWER

CORD

‘ete!

LED

MAINS

SPEAKER

RIGHT

CHANNEL

POWER

SUPPLY

PCB

LAYOUT

LEFT

CHANNEL

;

'

mt,

:

Sat

wa

Ts

eo

:

»

€@Q

SE

oO

—)

me

f

:

pass

50

as

=

oc

af

ff,

a

ine:

eves

Bit

gt”

elas

fia

:

i

(A

.

62eN

aay

ee

sl

meh

ae

Tem

ee

A

'4°°3,

|

(\

bs

Q

4

A

:

iis,

eee

|

RS

fa

OO

2

|

‘|

EXPLODED

VIEW

PARTS

LIST

ITEM

NO.

PART

NUMBER

DESCRIPTION

QTY.

1

N14619601-1

Fascia

214

|

1A

N14620601-1

Fascia

216

1

2

N14023250-1

Subfascia

214

1

2A

N14023350-1

Subfascia

216

|

3

N14023270-1

Base

Plate

1

4

N14023290-1

Subchassis

1

5

N14023300-0

Access

Cover

2

6

*AH

N14023260-1

Rear

Panel

214

AH

1

6

*C

N14023320-1

Rear

Panel

214C

1

6

A*‘AH

N14023360-0

Rear

Panel

216

AH

|

6

A*C

N14023370-1

Rear

Panel

216C

1

7

N14023280-0

Top

Cover

214

1

7A

N14023380-0

Top

Cover

216

{

8

N41519991-0

Bezel

1

9

N41520011-0

Clear

LED

Lens

3

10

N2437640B-0

Power

Button

1

11

N16600600-0

Shrinkage

Tube

ID=38.i1mm

0.07m

1

12

N16600710-0

Sleeve

Tube

ID=10mm

0.3m

1

13

*C

N21038004-0

Speaker

Terminal

with

Plug

C

1

13

*AH

N21038104-0

Speaker

Terminal

without

Plug

AH

1

14

A*AH

N41520022-0

UL

Box

Backplate

Pantone

420

Grey

AH

1

15

A*AH

N41520031-0

UL

Box

Saddle

AH

1

16

A*AH

N41519981-0

UL

Box

Cover

AH

1

17

N41519951-0

PCB

Support

(LCBS)

4

18

N17110821-2

214/216

Amp

PCB

without

components

1

19

N31003191-0

Silicon

Sheet

8

20

N41321671-0

Transistor

Clamp

8

21

N41321661-0

Thermal

Mounting

Clip

2

22

N54000841-0

Main

Heatsink

214

2

22

A

N54000871-0

Main

Heatsink

216

2

23

N54000831

-0

Heatsink

Power

Amplifier

4

24.

N54000851

-0

Heatsink

Regulator

2

25

N54000821-1

Heatsink

Power

Supply

214

1

25

A

N54000901-0

Heatsink

Power

Supply

216

1

26

*AH

N70093100-1

AC

Cord

18AWGx2

UL/CSA

SPT-2

AH

ZN

1

26

*B

N70095100-0

AC

Cord

ASTA

BS1363

with

5A

Fuse

B

A

1

26

*BI

N70091

190-1

AC

Cord

SAA

AS31112

Bi

ZN

1

26

*C

N700931

10-0

AC

Cord

SEMKO

C

maN

1

27

N41519461-0

Strain

Relief

Bushing

1

28

N89100055-0

Thermal

Breaker

UP

7290C

2

29

N18062102-0

Transformer

TI-61233with

Accessory

214

ZN

1

29

A

N18062105-0

Transformer

TI-61242with

Accessory

216

A

1

30

N41322151-0

Transformer

Bracket

1

31

N41519411-0

Cushion

130x10x1.0mm

1

32

N41520331-0

Transformer

Bushing

1

33

28368075-0

Nut

M8x0.75mm

214

1

34

29078070-2000

Bolt

Hexagon

Head

M8x0.75mm

-70mm

214

1

34

A

N41321891-0

Bolt

+

Nut

Hexagon

Head

BSW

i8TPI

-3.5"

216

{

35

28428015-0

Spring

Washer

M8

1

ITEM

NO.

—

PART

NUMBER

DESCRIPTION

QTY.

36

41321971-0

Flat

Washer

M8x22x1.5mm

1

37

28153042-0

Screw

M3x4mm

2

38

29004006-3010

Screw

M4x0.5x6mm__

with

Flat

Washer

6

39

29084012-3400

Screw

Hexagon

Socket

Head

4x12mm_

Blk

8

40

29542606-0000

.

Screw

BT

_

2.6x6mm

8

41

29543006-0000

Screw

_B-Tite

3x6mm_Yel.Zn

17

42

29543006-3000

Screw

_B-Tite

3x6mm_Bik.Zn

6

43

29443008-3000

Screw

S-Tite

3x8mm_

Bik

2

44

29503008-3000

Screw

Tapping

3x8mm

8

45

29543008-3000

Screw

_B-

Tite

3x8mm_—Bik.Zn

11

46

29543010-3000

Screw

_B-Tite

3x10mm__Bik.Zn

12

47

29543510-0000

Screw

_B-Tite

3.5x10mm_

=

Yel.Zn

1

48

29503516-3100

Screw

_B-

Tite

3.5x16mm

22

49

28423367-0

Metal

Washer

ID=3.3mm

OD=6.7mm

4

50

A

N18080110-0

Ferrite

Core

33RH15.5x28.5x7.3

216

1

51

N41519371-1

Rubber

Foot

4

EXPLODED

VIEW

WIRING

DIAGRAM

Channel

=

mapa)

Speaker

Soldered

Power

Supply

to

Tab

on

Subchassis

=

RY

|

e601

Cl

{|

te

Ga

\

Pe

Hen

°

GANS

|]

vP303

‘

—

i

d

a

2

Legend:

Blu

-

Blue

Bik

-

Black

Brn

-

Brown

Grn

-

Green

Gry

-

Grey

Org

-

Orange

ee

a

Red

-

Red

Vio

-

Violet

Wht

-

White

Power

Note:

All

PCBs

are

shown

copper

side.

Transformer

‘Mains

Mains

AH

Version

C

Version

&

ene

ae

=

SCHEMATIC

DIAGRAM

214

POWER

AMPLIFIER

MUTE,

CLIPPING

Q317,

0329, Q331, Q333,

0335,

ond

THI01

‘are

mounted

on

the

left-hand

Moin

Heatsink.

0325

ond

Q327

ore

mounted

on

small

heatsinks.

alien

or ur

tere

tection

MAINS

SWITCH

A

rs:

10K

R382

0318, Q330,

0332.

0334,

0336,

ond

TH102

;

are

mounted

on

the

right-hand

Moin

Heotsink

0326

ond

0328

ore

mounted

on

smoti

heotsinks,

1.

All

resistors

ore

carbon

film

types,

0.25

watts,

5%

tolerance,

unless

otherwise

specified.

R

=

ohms

MF

=

metal

film

resistor

K

=

kilo

ohms

FP

=

flameproof

resistor

M

=

mega

olims

FUSIBLE

=

fusible

resistor

CERAMIC

=

ceromic

cose

resistor

2.

All

copacitors

are

in

microforads.

n

=

nanoforads

P

=

picofarads

3.

Color

abbreviations:

RED

=

red

ORG

=

orange

BLK

=

block

GRN

=

green

BRN

=

brown

GRY

=

gray

T-61233

|

wor

e

O_St

|

Pacer

Canter

g

XC

‘Supply

Top

PCB

|

oo

,

SE

AH

Versi

|

ia

ersion

aes

PE

ON

EE

ry

eg

pe

ee

ts

twee

face

Sp

RR

SE

os

LEFT

CHANNEL

POWER

AMPLIFIER

bs:

+/-55V

REGULATOR

MAIN

POWER

SUPPLY

*

A

eas

A

“tere

R205

‘R201

Input

oS

pp

Bel

incon

tw

FUSBLE

a“

+5

EH

C204

202

:

}4700/63

Center

|

Ec

C208

c203

|

4700/63

4700/83

-5y

|

2$86h1

oa

a

184003

yas

|

zs

Sn

ae

a

|

Wide

thes

__

1

|

onip

|

i

|

Tr

|

im

RIGHT

CHANNEL

|

POWER

AMPLIFIER

1402

eee

oS

tt

T

|

i

SPEAKER

TERMINALS

|

Notes:

9

TA7317P

2SA1386

2SC3519

2SA1837

28C4793

Fen

2SA1478

2SB631

28C3423

2SC3788

2SD600K

Fee

284970

2801815

2S8€2240

2S8C2878

om

2SA1370

2S8C3467

Q317,

0329,

331,

0333,

0335,

0901,

0903,

9905, 0907,

ond

THIO1

|

R303,

‘ore

mounted

on

the

lefthond

Mon

Heatsink.

==

wk:

PO,

0325

and

0327

are

mounted

on

small

neatsinks.

|

we

a

305

|

iyi

VY

8

{)

Ws

22,

Ly

omnes

R30

an

A

|

gM

2scie8

23334

ws

R33

33

A

=

(r)

ms

0.25

|

FP

nos

9

ode

ME

Ix

iv

931

AMPLIFIER

1

ae

ped

216

POWER

a

ce

we

|

.

ro

319

ae

(

|~

A

Agzr

P

2

(Vv

A

eth)

wis

r)

282240

ass

Roi

“aS

sas

A

ts01

0307

a

AX

swso1

&%

2549;

‘A%4

ie

61242

REO

R313,

S

317

ce

wk

asi

2

To

|

758979

P)

RMS

asaia7e

|

Bone

Cente

Bx

ct

op

cit

15308

|

RS

sir

0.25W

FP

(y"

er

am

al

UN

1g

O62

hs

Rape

*,

|

R341.

R301

R317,

ane

120:

ySst4,

|

nc

oe

ae

ee

“a

aig

c3o7

NFS:

_

FP

C35

R387 R385

AH

Version

cy

2209

is

on

BEE

oo

LE

ing

eB

ns

ane

sp2o1

|

APSO

1

wri

|

MF

Ix

|

——

wr

+

iy

tt

A331

wis

LEFT

CHANNEL

|

POWER

AMPLIFIER

+VLg

GNDE

-MUg

0/P,

eek

ee

ere

tek

Nae

ee

A

a

ee

ce

=

S9

a

ed

Teal

3

as

amas

Sa

eee

we

x03

[1

iran

|

Maite

eee

oor

rear

2

ea

3

dst

aes

Sack

set

ee

Ses

i

os

a

Aa

ea

ee

[IG

ee

Sen

Pa

ee

a

ee

rt

ee

a

203

sail

MAIN

POWER

SUPPLY

~

|

+/-67V

REGULATOR

Tronate

jh

re

ee

.

=

wt

CLep

Pcs

|

| |

|

re

Hs

|

7

:

|

ee

|

:

a

Oa

CON

rae

ES

arate

my

~~

gage”

Ra

82

ON

mmm

OFF

IW

MF

1%

6) 5)

4

Vj2]3

bee

or

HE

by

EI

poh

OsW

MF

tx

|

R240:

ee

R241

22K

226

;

| |

1/100}

0212

0211

ANG148

1N4148

7

4

i

INPUT,

MUTE,

we

:

hen

==

=|

a

1

SOFT

CLIPPING

ofa

and

DC

||

SERVO

“1

1

des

ee

at

ee

ees.

.

ON

th

Went

Laan

fee

ag

Co

ee

Cae

ope

GNOFY

-'

oype

RIGHT

CHANNEL

a0

ui

a

cno

—w.

|

POWER

AMPLIFIER

Rial

10/100

|

L

10/100

Ae

Sy

A

“or

1%

"

‘

|

Notes:

470.

328

|

1.

All

resistors

ore

carbon

film

types,

A

a

0.25

watts,

5%

tolerance,

unless

otherwise

specified.

5K6

7/10

R

=

ohms

MF

=

metol

film

resistor

WAN

.

K

=

kilo

ohms

FP

=

flomeproof

resistor

M

=

mega

ohms

FUSIBLE

=

fusible

resistor

K

oF

CERAMIC

=

ceramic

cose

resistor

10K

ay

F

¥

.

R384

”

2.

All

capacitors

ore

in

microforads.

3.

Color

abbreviations:

|

TD

|

n

=

nonofarods

p

=

picofarads

|

RED

=

red

ORG

=

oronge

0318,

0330,

0332,

0334.

0336,

0902,

0904,

0906,

0908,

ond

THI02

tie

are

mounted

on

the

right-hond

Noin

Heatsink.

BLK

=

black

GRN

=

green

ore

*

0326

ond

0328

ore

mounted

on

small

heatsinks.

BRN

=

brown

GRY

=

groy

NAD 214 Manuel utilisateur

Manuels Amplificateur populaires d'autres marques