Onkyo TA-2130 Manual de usuario

ONKYO

SERVICE

MANUAL

TA-2130

OM3263

STEREO

CASSETTE

TAPE

DECK

MODEL

TA-2130

Black

models

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

MARK

“4

THE

SCHEMATIC

DIAGRAM

AND

THE

PARTS

LIST

ARE

CRITICAL

FOR

RISK

FIRE

AND

ELECTRIC

SHOCK.

REPLACE

THESE

COM-

PONENTS

WITH

ONKYO

PARTS

WHOSE

PARTS

NUMBERS

APPEAR

SHOWN

THIS

MANUAL.

MAKE

LEAKAGE-CURRENT

RESISTANCE

MEASUREMENTS

DETERMINE-

THAT

EXPOSED

PARTS

ARE

ACCEPTABLY

IN-—

SULATED

FROM

THE

SUPPLY

CIRCUIT

BEFORE

RETURNING

THE

APPLIANCE

THE

CUSTOMER.

ONKYO.

AUDIO

COMPONENTS

SPECIFICATIONS

Track

System:

4-tracks,

2-channels

Erasing

System:

erase

Tape

Speed:

4.8

cm/sec

(1-7/8

i.p.s.)

Wow

and

Flutter:

0.06%

(WRMS)

Frequency Response:

20—15,000Hz

(Normal)

(30—14,000Hz

+3dB)

20—16,000Hz

(High)

(30—15,000Hz

+3dB)

20—17,000Hz

(Metal)

(30—16,000Hz

+3dB)

Dolby

off:

58dB

(metal

position

tape)

noise

reduction

10dB

above

5kHz

and

5dB

1kHz

possibile

with

Dolby

NR.

noise

reduction

20dB

5kKHz

possible

with

Dolby

NR.

Microphone

jacks:

Input

sensitivity:

0.6mV/600

ohms

Input

impedance:

2.7

kohms

Line

IN:

Input

sensitivity:

6OmV

Input

impedance:

kohms

Headphone

jack:

Optimum

load

impedance:

200

ohms

Line

OUT:

Standard

output

level:

500mvV

(0dB)

Optimum

load

impedance:

over

kohms

servo

motor

REC/PB:

Special

Hard

Permalloy

Erase

head:

Ferrite

S/N

Ratio:

Input

Jacks:

Outputs:

Motors:

Heads:

—~{—

TA-2130

Power

Supply

Rating:

120V,

60Hz

Power

Consumption:

watts

Dimensions:

495(W)

112(H)

262(D)mm

(17-1/8"

4-3/8"

10-3/8")

Weight:

4.1

kg.

(9.1

Ibs.)

Specifications

and

external

appearance

are

subject

change

without

notice

because

product

improvements.

SERVICE

PROCEDURES

Replacing

the

lamp

This

unit

used

the

lamp

listed

below.

Parts

No.

210090

Circuit

No.

PL9OI

Description

PLI4V

150mA

Caution:

Before

replacing

the

lamp.

sure

unplug

the

power

supply

cable.

Instruction

resistance

measurement

Connect

the

insulating-resistance

tester

between

the

plug

power

supply

cord

and

chassis.

Specifications;

500V

than

1OMQ2

Replacement

power

supply

cord

There

are

two

power

supply

cord

outlets

the

strainrelief.

Insert

them

prescribed

direction

ensure

safety.

AS-UC-

(UD<120V>

model)

should

inserted

lengthwise

and

other

types

cords

should

inserted

horizontally.

Power

Supply

Cord

Power

Supply

Cord

Horizontal

direction

length

wise

direction

Replacing

the

Hall

ICs

Cautions:

the

position

leg

DN6838

and

DN838K

differ,

use

the

same

Hall

when

replacing.

(DN6838

(222558)

5mm

{

Holder

§N2719014

DN838

(222470)

Cut

Printed

side

{

SN27190251

Method

for

removing

BOTTOM

BOARD

(refer

exploded

view

chassis)

Remove

top

cover.

Remove

front

panel.

Remove

the

mounting

screws

the

main

board

(NAAF-2947-

Remove

the

holders

from

the

board.

5S.

Remove

the

fastening

screw

the

Power

Switch

board

(NAPS-2951-1).

Remove

the

holder

from

the

board.

Remove

the

fastening

screws

the

back

panel

and

bottom

board.

Remove

the

fastening

screws

the

front

bracket

and

bottom

board.

Remove

the

ground

terminal.

10.

Remove

the

bottom

board

taking

from

the

lower

direction.

Mechanism

operation

This

mechanism

consists

capstan

motor,

reel

motor,

and

solenoid,

with

the

power

assist

method

means

the

capstan

motor.

the

operation,

there

are

conditions:

STOP,

PLAY,

and

CUE/REV.

When

the

position

trig-

gered

the

solenoid,

means

intermittent

rotation

the

gear

from

the

flywheel,

shown

Fig.

cyclic

shift-

ing

done.

from

STOP

PLAY,

the

solenoid

pulied

for

30ms,

after

about

150ms

there

shift

the

PLAY

condition.

From

this

condition,

the

solenoid

again

pulled

in,

that

interval

the

condition

shifts

CUE/

REV.

However,

suppress

heat

generation

the

solenoid,

the

supply

voltage

must

reduced.

the

power

the

solenoid

cut

off,

the

head

lowers,

and

the

conuition

goes

STOP.

order

have

cyclic

operation

stated

above,

and

know

the

existing

condition,

play

switch

provided,

and

this

switch

for

PLAY

and

OFF

for

STOP

(CUE/REV)

indefinite.

When

power

turned

ON,

the

mechanism

makes

use

initializer.

PLAY

CUE/REV

Fig.

STOP

(AZ

9-)E-

(AZ9)

o¢g

OV3H

S140

;

fa.

ONI

advlef@H

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TA-2130

ADJUSTMENT

PROCEDURES

PRECAUTIONS

Before

adjustment,

clean

the

following

parts

with

alchol

moinstend

swab,

record/playback

head

pinch

roller

erase

head

capstan

not

use

magnetized

screwdriver

for

adjustments.

Demagnetize

record/playback

head

with

head

de-

magnetizer.

TEST

EQUIPMENT/TOOLS

REQUIRED:

Audio

oscillator

Digital

frequency

counter

Connection

Item

Line

input

instrument

Test

tape

voltmeter

and

oscillo-

scope

LINE

output

terminal

VTT-658

voltmeter

terminals

TP-1

and

TP-2

MTT-150

)

Head

azimuth

Playback

level

Frequency

counter

P401.

head

read

(loose

coupling)

METAL

TAPE|

REC

voltmeter

LINE

output

terminal

1kHz,

—20dB

and

12kHz,

—20dB

Bias

NEW

XL-1190

current

REC

Frequency

counter

TP-5

10:

cabie

Clock

—_

VTVM

Attenuator

LINE

fig-

REC/PB

PAUSE

REC/PB

Oscilloscope

Attenuator

voltmeter

Non-magnetic

screw

driver

Blank

tapes

(completely

erased)

NORMAL

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

NEW

UD90

HIGH...

0...

eee

NEW

XL-II90

METAL

..............0044.

NEW

MX60

Test

tapes

VTT-658

KHz,

—15dB

MTT-111

kHz,

—10dB

MTT-150

Dolby

level

calibration

400Hz,

tone

200nWb/m

indicator

point

Frequency

Tape

counter

MTT-111

Frequency

Semi-fixed

3,010

speed

LINE

output

counter

onthe

motor

3,020Hz

terminal

Maximum

and

same

phase

channels

Head

azimuth

SCrew

voltmeter

Frequency

counter

voltmeter

R-115(Ch.L)

R-116(Ch.R)

L-405

85kHz

R-471(Ch.L)

R-472(Ch.

Same

level

REC/PB

Input

maximum

Attenutor

OSC

output

Input

R-401(Ch.L)

Same

level

maximum

voltmeter

R-402(Ch.R)

|at

REC/PB

Frequency

counter

160

PACKING

VIEW

TA-2130

TP-1

TP-2

R116

L407

P.B

LEVEL(R)

Riis

L408

P.B

LEVEL

(L)

TP-3

TP-4

R472

(R)

L40s

R401

R402

REC

LEVEL

BIAS

AOJ

(0)

TP-5

R47HL)

R722

CLOCK

NAAF

-2947

MODEL

REF

NO.

PART

NO.

DESCRIPTION

29051517

Master

carton

box

29090987

Pad(L)

29090988

Pad(R)

}

29100037A

650

500

Poly

bag

282301

Sealing

hook

260012

Damplon

tape

Accessary

bag

ass’y

29341145

Instruction

manual

2010095

Connection

cable

29365019

Waranty

card

(N)

29358002E

Service

station

list

(N)

29100006A

350

250

Poly

bag

G/W

MODEL

REF

NO.

PART

NO.

DESCRIPTION

29051517

Master

carton

box

29090987

Pad(L)

29090988

Pad(R)

29100037A

650

500

Poly

bag

282301

Sealing

hook

260012

Damplon

tape

Accessary

bag

ass’y

29341146

Instruction

manual

29341163

Instruction

manual

(1)

NOTE

2010095

Connection

cable

(N)

Only

U.S.A.

Model

25055018

Conversion

plug

(CV-K-2)

(W)

Only

120/220V

Model

29100006A

350

250

Poly

bag

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MAUOS

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CHASSIS-EXPLODED

VIEW

TA-2130

MICROCOMPUTER

(LM6405L-1994)

the

microcomputer,

the

operating

voltage

high

with

the

NMOS

type

LM6405L

using

Vpp

6V.

The

clock

uses

condenser/resistor

oscillator

and

designed

for

frequency

170KHz,

(Frequency

measurement

can

made

connec-

tion

through

LOOKQ

330KQ2

No.

1.)

Port

XTAL

Connected

resistor

oscillator

for

clock

use

BIAS

OUT

Output

port

for

turning

bias

oscillator

ON/OFF:

Oscillation

with

level

LINE

MUTE

REC.

MUTE

Output

port

for

line

muting:

Muting

with

level

Output

port

for

recording

muting:

Muting

with

level

CASSETTE

Input

for

cassette

detection:

Cassette

with

level

ROTATION

SENSOR

Pulse

input

rotation

detection

System

reset

for

microcomputer

use

Input

for

automatic

detection

chrome

tape:

Chrome

use

hole

detection

with

level

METAL

Input

for

automatic

detection

metal

tape:

Metal

use

hole

detection

with

level

PLAY

SWITCH

Input

for

PLAY

position

detection:

PLAY

position

with

level

REC.

INH

Lug

detection

input

for

recording

prevention:

Disable

with

level

REEL

Output

for

reel

motor

rotation

fast

forward

direction:

Rotation

with

level

<form

Reel

motor

rotation

selection:

Slow

with

Fast

with

RvB

nmin

ties

PAUSE

LED

output

for

PAUSE

indication:

Lights

with

feet

[secre

LED

output

for

REC

indication:

Lights

with

Output

for

solenoid

pull

in:

Pull

with

Output

for

solenoid

pull

hold

(ow

power):

Pull

hold

with

Input

for

microcomputer

chip

inspection

(Normally

connected

Vgs)

Ground

terminal

ps/120

For

input

pins

output

for

play

back

equalizer

selection

NORMAL

For

input

pins

output

for

record

equalizer

selection

(NORMAL)

HIGH

For

input

pins

output

for

record

equalizer

selection

(HIGH)

METAL

For

input

pins

output

for

record

equalizer

selection

(METAL)

SINGLE

SIG,

Input

for

recording

signal

detection

for

single

repeat

when

low

speed

AMCS

SIG,

Input

for

recording

signal

detection

for

AMCS

use

when

high

speed

REPEAT

OFF/ON

Input

for

repeat

operation

ON/OFF:

Operates

with

——

SINGLE/FULL

Selection

SINGLE/FULL

operation:

Full

repeat

with

TA-2130

OFF

Input

for

power

off

detection:

Off

with

TIMER

REC

Input

for

timer

recording

ON/OFF:

Operates

with

TIMER

PLAY

Input

for

timer

play

back

ON/OFF:

Operates

with

AMCS

Key

input

cause

AMCS

operation:

Operation

with

Key

input

cause

rewinding:

Operation

with

Key

input

cause

fast

forward

operation:

Operation

with

STOP

Key

input

cause

stop

operation:

Operation

with

AUTO

SPACE

Key

input

cause

auto

space

operation:

Operation

with

PAUSE

Key

input

cause

pause

recording

pause:

Operation

with

REC

Key

input

pushed

together

with

PLAY

key

cause

recording:

Operation

with

PLAY

Key

input

for

play

back

recording:

Operation

with

Power

source

terminal

Connects

resistor

and

condenser

oscillator

for

clock

NOTE

Low

level

High

level

+VODD

BIAS

OUT

LINE

MUTE

PLAY

REC

MUTE

REC

O—{CASSET

IN)

PAUSE

ROTATION

SENSER

AUTO

SPACE

KEY

INPUT

RESET

STOP

O—{

CrOQ2

)

O—+{

METAL

REW

O—{

PLAY

SW)

AMCS

O—{

REC

INH)

TIMER

PLAY

FWO

TIMER

REC

rect

Ley

POWER

OFF

(L:

POWER

OFF)

(PLAY

:H)

O-PLAY

SINGLE

FULL

(SINGLE—H

Levet

)

PLAY

LED

)

REPEAT

ON/OFF

(

REPEAT

OFF-H

Level)

AMCS

SIGNAL

SINGLE

REPEAT

SIGNAL

/m»

PAUSE

LED

ym»

REC

LED

SOL

(POWER

UP)

METAL

SOL

(Cueing)

HIGH

NORMAL

/120pS

TA-2130

BLOCK

DIAGRAM

NJM-2068D-D

INPUTS

UTPUT

(

TOP

VIEW

)

CX20187

(DOLBY

N.R)

BIC

42|REC/

ON/OFF

IREF

LINE

Vcc

139]

Vee

138)

MPX

OUT

[

MPX

OUT

REC

136]

REC

GND

'35]

GNO

LINE

OUT[

LINE

OUT

SSK

133]

SSK

[11

32)

HPF

[12]

31)

HPF

TCH2

30}

TCH2

TCH}

29]

TCH1

L145

TCL2

TCU

26]

TCL

WIL

18)

HPF

[19]

HPF

ANT

/23|]

ANT

REC

OUT

21)

122]

REC

OUT

—~10—

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