Teac V-7000 Manuel utilisateur

TEAC.

SERVICE

MANUAL

-7000,e./

V-5000

Stereo

Cassette

Deck

Remote

Control

Unit

RC-394(V-7000)

RC-393(

V-5000)

*Dolby

noise

reduction

and

PRO

headroom

extension

manufactured

under

license

from

Dolby

Laboratories

Licensing

Corporation.

PRO

originated

Bang

and

Olufsen.

“Dolby”,

the

double-D

symbol

and

“HX

PRO”

are

trademarks

Dolby

Laboratories

Licensing

Corpora-

tion.

*PILE-J

RZUFDT

SLY

RUAXIONAY

BIU-L

TLIAFVVaVIFEILE—-SHRBbU-ASTRY

VPUIID—-RL—-VarMOOEMiBIC

BIS RRS

NMTOES,

HXTOND

PLU

KAILIE

LOSE

ty.

KILE—

FDUDISRU'AX

FOS

RLE-S

RSRU-ASTRY

II—KL—-Tarv

OBR

RCT.

Effective

December,

1990

940705

5704050900

——veTo00/v-5000

SPECIFICATIONS

Track

System:

4-Track,

2-Channel

Stereo

Heads:

Erase,

Record

and

Playback

(combination)

Type

Tape:

Cassette

tape

C-60

and

C-90

(Philips

type)

Tape

Speed:

4.8

cm/sec.

(1-7/8

ips)

Motors:

V-7000

brushless

quartz

locked

PLL

servo

motor

(for

capstan

drive)

motor

(for

reel

drive)

motor

(for

mechanism

drive)

motor

(for

power

loading)

v-5000

servo

motor

(for

capstan

drive)

motor

(for

reel

drive)

motor

(for

mechanism

drive)

motor

(for

power

loading)

Wow

and

Flutter

(WRMS)

0.022

(V-7000),

0.027

(V-5000)

Frequency

Response

(Overall):

-20

—

21,000

Metal

Tape

—

20,000

CrO,

Tape

—

18,000

+3 dB

Normal

Tape

Signal-to-Noise

Ratio

(Overall)

(NR

OFF

THD

Level,

Weighted)

(Dolby

In,

over

kHz),

(Dolby

In,

over

kHz)

Fast

Winding

Time:

Approximately

se-

conds

for

C-60

Inputs:

Line:

mV,

50k

ohms

Direct:

110

mV,

50k

ohms

Outputs:

Line:

0.44

for

load

impedance

50k

ohms

Headphones:

(max.)

ohms

Power

Requirements:

100/120/220/240

AC,

50/60

(General

export

models)

120

AC,

(U.S.A./Canada)

220

AC,

(Europe)

240

AC,

(U.K./Australia)

Power

Consumption:

(V-7000),

(V-5000)

Dimensions

471

149

355

(including

side

panels)

(V-7000)

(18-9/16""

5-7/8"

14")

435

149

355

(V-5000)

(17-1/8"

5-7/8"

14")

Weight:

(19.9

Ibs.)

(including

side

panels)

(V-7000)

(17.7

Ibs.)

(V-5000)

Standard

Accessories:

RC-394

(V-7000),

RC-393

(V-5000),

Batteries

(SUM-3,

“AA”,

“RG”

type)

Input-output

connection

cords,

Side

panels

(mounted)

V-7000

only.

io”

Specifications

were

determined

using

metal

tape

except

where

noted.

Improvements

may

result

specifications

features

changing

without

notice.

Photos

and

illustrations

may

differ

slightly

from

production

models.

Reet

V-7000/V-5000

{cr

bFov7BxX

4hDvI2Frpvall:

AFLARIVYVIAK

B8AY

IEWEAY

KK,

REX1-

REX)

ER-—Varv-Aw

(MER)

eAr-

C-60,

C-909

ARyk:-

F-T

TRE

4.8RUF

V-7000 V-5000

$tpT7a~erv:

FTSVYvAIsz—-—VOUvVT

+p7n2rsv

DCH-KRE-F—X1

PLLY—AHDCE—F—

—

wb:

DCE-F—xX1

—

%jLe:

DCE-A-x1

AnHI-UAA:

DCE-A-xXx1

An-~

AA:

DCE-F—-*X1

NO-O-F4YF

DCE—-A—X1

NQ-O-F

477:

DCE-—A—X1

<V-7000>

0.022%

(W.RMS),

+0.04%

(W.Peak

EIAJ)

<V-5000>

0.027%

(W.RMS),

+0.048%

(W.Peak

EIAJ)

15Hz~21,000Hz+3dB,

EJAJ:

A 9

15Hz~20,000Hz+3dB,

EIAJ:

70-4

15Hz~18,000Hz+3dB,

EIAJ

J)—VJIL

60dB(NR

OFF,

3%THDUAJL,

WTD)

#@@

70dB(KJVE—B

5kHzll_b)

80dB(KJLVE—C

IkHEJ£)

C-60F

—

CHRIBSE

VY:

60mV(AAT

VE-—F~Y

A50KN)

CDI

UA:

MNOmMV(AAT

VE—F

A50KQ)

Vi0.3V(AfIT

E-FLY

A50KOLLE)

Boy

amv

(8a)

;

100V

AC,

50/60Hz

20W<V-7000>,

18W<V-5000>

471

(he)

149

355

(BRIT)

(4-1

KIN

BILE)

<V-7000>

435

(0B)

149

(ie)

355

(B24)

mm<V-5000>

kg<V-7000>

kg<V-5000>

Ait}

~—

K245

(148)

RC-394<V-7000>,

RC393<V-5000>,

45H

(#13)

COCRISRICRR

LER

BERS,

“HRES

TSR

LCHELESOTS.

KHHED

KUNIS,

KMHOKLOF

EEK

BETFSCCUHUET.

FMBGE

I-K,

RSF

ADERED

SRE

LECOMS,

MANMICRLOG

CORDS,

BPS

LOTS

Ici

CHA

TEECA.

BMEVTIIAYLEBAL

TEV

ETON,

ABYPODRRO/SIAZBCLSTERSCMEL

ZBL

CHHV

EF.

CMESIRMAE(POWER)

vFRMCCRRE),

BMI—-KF*e

aver

bss

HUT,

PELERMACAOSBUIALY

bICBLIAA,

MOM

OMPLELT.C

Kaw.

V-7000/V-5000

REMOVAL

EXTERNAL

COMPONENTS

ARBADALA

mber-order

SSMCAHLTR

Disassemble

V-7000/V-5000

PARTS

LOCATION

LAC

Power

transformer

TRANS

PCB

MAIN

PCB

Voltage

selector

(General

export

models)

JACK

PCB

Cap

motor

Reel

motor

(V-5000)

(V-7000)

CONTROL

PCB

PAD

motor

PHONE

PCB

DISPLAY

PCB

DISPLAY

PCB

-V-7000/V-5000

MECHANICAL

ADJUSTMENTS

AND

CHECKS

MMA

TER

4-1

TAPE

SPEED

(V—5000

only)

4-1

F-7+

AE—F

(V—5000

only)

Connect

frequency

counter

the

deck

shown

B4-1OLSRARRADY

—-SBRTS.

Fig.

4-1.

BREAN,

WIDBV

-L

VAT

VSTS,

Simply

press

POWER

switch

rotate

the

motor,

3.7

AKF—T7

MTT

—111

(8kHz)

HRMHOREH

CHET

then

continue

the

motor

retain

for

approx.

lminute

for

FRBAAA.

3,000~3,010Hz

CRS

KG,

Fig.

4-2RTRB

warm-up.

VRE

soon

the

warm-up

finishes,

load

TEAC

MTT

SOD

OBROE

CHEL,

HERES

LURHLHRS

~111

test

tape

with

3,000Hz

test

tone

and

play

the

beginning

the

test

tape.

TREE

3,000Hz

30Hz

—

7000)

Adjust

the

variable

resistor

(Fig.

4-2)

get

the

3,000Hz

60Hz

—

5000)

adjustment

value

3,000Hz

3,010Hz

AEG

15Hz

(Vv

—

7000)

play

mode,

check

that

the

following

figures

are

60Hz

LAA

—

5000)

obtained

the

beginning

and

the

end

the

tape.

Speed

deviation

3,000Hz

30Hz

—

7000)

3,000Hz

60Hz

—

5000)

Speed

drifting:

with

15Hz

—

7000)

with

60Hz

—

5000)

Frequency

Counter

Flutter

ter

REX

Capstan

motor

DECK

under

TEST

Fig.

4-2

(R)

OUTPUT

Fig.

4-1

4-2

WOW

AND

FLUTTER

(PLAYBACK

METHOD)

4-2°99°D599-

Note

These

measurements

should

made

the

beginning,

(HAE)

middle,

and

the

end

the

tape.

HE:

F-TORMD,

HH,

BRO

CHESTS.

Connect

wow

and

flutter

meter

the

deck

shown

Fig.

4-1.

LB4-1OKGEID*

7GVI—-A-F-EEMIS.

Load

and

play

TEAC

MTT-111

test

tape.

2FARF-TFMIT-1LABETS,

Check

that

the

readings

the

wow

and

flutter

meter

3.799

7ayvI

MER

FORBAIK

CESS.

are

follows.

BUS

0.05

WRMS

(V-7000)

Specifications

0.05

WRMS

(V-7000)

0.065

WRMS

(V-5000)

0.065

WRMS

(V-5000)

eisai

V-7000/V-5000

4-3

REEL

TORQUE

4-3

V—JIDEWD

Load

the

cassette

torque

the

deck

and

read

the

LAty

PARI

A-F-K

ESE

FROMAN

CHS

pointer

indication

the

dial

scale

for

each

tape

CESHBTS.

transport

operation.

The

measured

torque

should

FAVT

bhN7:

35~60g

within

the

following

specified

values.

WyIFYVYavbhny:

4~10g+cm

Specifications

BRD

/BRL

IV?

70~160g

Take~up:

35~60g°*cm

(0.486

~0.833

oz.-inch)

Supply

4~10g*cm

(0.066~0.139

oz.-inch)

/REW

70~160g

(0.972~2.22

oz.-inch)

4-4

VOLTAGE

CONVERSION

(General

Export

Models

only)

ALWAYS

DISCONNECT

THE

POWER

LINE

CORD

BEFORE

MAKING

THESE

ADJUSTMENTS

Locate

the

voltage

selector

the

rear

panel.

Using

require

screwdriver,

turn

the

selector

until

the

numerals

corresponding

the

voltage

requirements

your

area

appear.

Fig.

4-3

v-7000/V-5000

ELECTRICAL

CHECKS

AND

ADJUSTMENTS

TRO

5-1

PRECAUTIONS

Before

performing

adjustments

and

checks

clean

and

demagnetize

the

entire

tape

path.

Make

sure

the

deck

properly

set

for

the

voltage

your

locality.

general,

adjustments

and

checks

are

made

the

order

ch.

then

ch.

Double

REF.

Nos.

indicate

Lch/R

ch..

(Example

;

R51/R61)

referenced

0.775V.

voltmeter

that

references

OdB

used,

appropriate

compensation

should

made.

The

voltmeter

used

the

procedures

must

have

input

impedance

ohms

more.

Note

the

“Deck

setting”

the

top

each

chart.

The

settings

apply

all

check

for

specific

chart

unless

explicitly

stated

otherwise.

Since

this

deck

has

automatic

tape

selector,

sure

use

test

tapes

that

have

tape

position

detecting

holes.

Input

terminals

and

measuring

points

each

step

are

the

same

step,

otherwise

specified.

Oscillator

Distortion

Analyzer

Attenuator

CMO

we”?

@@@°

5-1

itm

PSRORS

BORK,

F-TENRORMCBRET

2TCKRELY,

IEE

BRILL

ch,

OME

CHO

SW,

WS,

ROL/RO]

OLICSSNTOSMMBS

ch’

€£RLET.

3.0

0.775V

WEIS

SUAVETOAAT

E-YVAls

IMQELED

HOLBALTKC

RE,

BRAT

-P7HL7

BRM

TOETOC,

-TUBST-TPRS

y 3

VRWILOD

OOLBALT

CKRSW,

HFS

EVUMEEMAS

TBO

CHICARANT

WSZBRLRE,

BHOAZT

SERMUCT,

Oscilloscope

Voltmeter

1kHz

Filter

LINE

OUTPUT

Fig.

5-1

Basic

test

setup

SAMEERA

~Siceeid

Saag”

V-7000/V-5000

5-2

ADJUSTMENT

LOCATIONS

ias(aPt

MAIN

PCB

U205

(7)

U105

R32

R33

BIAS

OSC

FREQUENCY

L104

Pin18

STEP-UP

COIL

ioe

RECORD

LEVEL

R21

|[@

(omy

B®

R22

BIAS

SETTING

PLAYBACK

LEVEL

wi02(TP)

R12

240kHz

R1[@

PEAK

LEVEL

fan

(7)

Ro7

R17

fan

(7a

R26

R16

METER

LEVEL

Fig.5-2

Adjustment

points

J232(811

y-7000/V-5000

5-3

PLAYBACK

PERFORMANCE

Deck

settings

TEAC

test

tapes

Mode

PLAY

MTT-

150

for

Dolby

level

calibration

AUTO

MONITOR

SW:

TAPE

MTT-

25702

for

playback

frequency

response

check

for

NORMAL

DOLBY

OUT

MTT-

35702

for

playback

frequency

response

check

for

METAL

and

CrO2

MPX

FILTER

OUT

MTT-5511

For

S/N

check

for

120

sec

(NORMAL)

MTT-5571

For

S/N

check

for

sec

(METAL)

MTT-

15000

For

S/N

check

for

DOLBY

B,C

INPUT

SIGNAL

aoe

MEASURING

POINT.

REMARKS

(or

CHECK)

RESULT

Heke

sig

WSEAS

;

Azimuth

screws

MTT-

25702

head

OUTPUT

(L/R)

ko?

Maximum

output

MTT-35702

ater

“1

R-ch’s,

(10kHz)

Fig.

5-4

L-R&ch#

BAWD

Playback

DOLBY

;

MAIN

PCB

U102

;

pinl3/pinl8

eae

pil

Connection

: :

MTT-

150

R1L/R21

—6dB

(388mV)

LAID

OUTPUT

(L/R)

Playback

aes

Connection

Fig.

MTT-

150

eABaV

-6X0mV)

Phase

with

45°

Sith

45°

DAA

Meter

level

PEAK

LEVEL

meter

(L/R)

ool

Same

above

MTT-

150

yas

—1dB

lit

(

mark)

~1dBR

(

-7)

Connection

;

bad

reguetey

MTT-

25702

OUTPUT

(L//R)

response

Same

above

[ff

Check

eee

MTT-35702

Standerd

MTT-5511

MTT-5571

OUTPUT

(LYR)

Same

above

[fi

Playback:

the

Check

S/N

46dB

min.

(120u)

leader

tape.

474B

min.

(

70u)

portion.

Y—-¥—F—-

TRE

Playback

OUTPUT

(L/R)

SIN

ratio

Amount

variation

S/N

with

S/N

respect

the

S/N

value

when

the

MTT

—

15000

signal

playd

back

wit

DOLBY

OFF.

Same

above

[ali

MTT

—

15000

DOLBY

OFF

DOLBY

NR:

OFF»B>c

MTT-

15000

neee

LIED

NBIC

S/N

SEALE

;

DOLBY

8.5dB

mote

DOLBY

17dB

mor

-2dB

(615

mV)

reference

lewL

AME

VIE

—

2dB

(

615

mV)

Fig.

5-3

Fig.

5-9

;

See

page

13.

Autres manuels pour V-7000

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