Onkyo TA-2870, TA-25 Service Manual

ONKY-00375

TA-2870

Ref.

No.

3411

ONKYO

STEREO

TAPE

MODEL

SERVICE

CASSETTE

DECK

TA-2870

=

TA-25/(¢

Black

and

Silver

model

MANUAL

SAFETY-RELATED
COMPONENTS
THE

SCHEMATIC
PARTS
AND

LIST

ELECTRIC
COMPONENTS
PARTS

NUMBERS

ARE

COMPONENT

INDENTIFIED

DIAGRAM

CRITICAL

SHOCK.

WITH

ONKYO

APPEAR
MANUAL.
MAKE
MEASUREMENTS
EXPOSED
INSULATED

BEFORE

THE

LEAKAGE-CURRENT

TO

PARTS

ARE

FROM

RETURNING

CUSTOMER.

DETERMINE

THE

SPECIFICATIONS

Track

Format:

Erasing

System:

Tape

Speed:

Wow

and

Frequency

Flutter:

Response:

4-tracks,
AC

erase

4.8

cm/sec.

0.04%
20—18,000Hz

(30—17,000Hz + 3dB)

20—19,000Hz

(30—18,000Hz + 3dB)

20—20,000Hz

(30—19,000Hz + 3dB)

BY

AND

FOR

RISK

REPLACE

PARTS

AS

SHOWN

OR

ACCEPTABLY

SUPPLY

THE

APPLIANCE

2-channels

(1-7/8

(WRMS)

(Normal)

(High)

(Metal)

WARNING!!

MARK

IN

THE

OF

A

ON

FIRE

THESE

WHOSE

IN

THIS

RESISTANCE

THAT

CIRCUIT

TO

i.p.s.)

S/N

Ratio:

Input

Jacks:

:

Outputs:

Motors:

Heads:

Power

Supply

Power

Consumption:

Dimensions:

Weight:

Supplied

Specifications

without

Accessories:

notice

Rating:

and

external

because

60dB

(metal

tape,

Dolby

A

noise

reduction

and

5dB

at

NR. A noise

possible

LINE

LINE

Headphone

DC
DC
REC/PB:

Erase

AC

25

watts

455(W) x 131(H) x 368(D)mm

(17-15

6.8
Connecting

RC-214K
UM-4/R03/AAA

of

product

1kHz

reduction

with

Dolby C NR.

IN:

2

Input

sensitivity:

Input

impedance:

OUT:

2
Standard
Optimum
50

Optimum

ohms

servo
motor:

230V,

kohms

motor:

Special

head:

50Hz

output

load

jack:

load

2

Ferrite x 1

/16" x 5-3/16" x 14-

kg.

(15

Ibs.)

cable x 2

remote

battery x 2

appearance

improvements.

NA

of

10dB

is

possible

of

20dB

8OmV

50kohms

level:

impedance:

1

impedance: 8 to

1

Hard

Permalloy x 2

1/2")

control

transmitter

are

subject

off)

above

with

at

500mV

to

change

5kHz
Dolby
5kHz

(OdB)

over

B

is

200

ONKYO.

AUDIO

COMPONENTS

1NO

dWY

SNOHd

LOE

dv3SH

HOuVvas

6

dWV

0£0

Sd

‘bd

43009030

LOLD

Ag
100

ZBNOHd

o

G3VH

4

anv
SAL3N

YSL3aW

fosy

rav

LOSHY

wortaw

zw

Nd

ena

LNO

--

6LZO

OZZD

€1LZO

eAeS

ZLZO

LLZO

;

:

YAGOONS

qDunos

AS
100

ae

LOZO

dvul

SvIg

GvaH

23u

<—

SO0¢71

‘LOOP

SLAW

934

44O/NO

an

Lozs

agni

SZL0

7s

ndDV

|

SVIq

6S+u

SVIE

YaAINdWOD

OYNDIW

9S0

LOvZ

LZLO

YSLINdWOD

PES

OYDIW

2

QV3aH

asvu3s

Alm

NOT

LvasdO

ue

TOXLNOD

ALONSY

¥Z2L0

VHOAW

©

)

Tu

YSINdNWOD

pzLy

73A371

“ard

rav

}
SZLy

dVYL

SYIG-

LOL

WVYSVId

dW’

LOLO

da'd

WOOT

OVSH'a'd

|

ea

peo

°

HYOLOI13S

YN

AG

10a

|

}

E0ZS

‘ZOZS

LAGNI

WaAa1

60ZNY

LANI

LOZY

«Wd

ee
Se

=

INO

(2)

3NI7

MOVE

AVId

[>

Set

ANI7

ONIGYOOSY

>

SLZO

SLZO

AVNDIS

OL
<{Zi+

Saee

|

aent

TWNDIS

Ia

OL

OL
<{

Zt

Lt—-

VLEO

PO6O

|
posa~tosa

ot

061

VHOAW

VHOAW

OL
«

8SSV]

L

L605

gosa~so6a

OL

oL+

=

L609

OYDIW

OL

Sr

Hy

IC

BLOCK

CX

20187

DIAGRAM

(DOLBY

B/C

ON/OFF

LINE

Vee

PB

IN
MPX OUT
REC

GND

LINE
SSK
VF
HPF
TCH
TCH
WT
TCL

TCL

wT

HPF

ANT

REC

IN

IN

OUT

IN

H

2
I

H

2

¢

L

$

ouT

| 9

[21

NR)

|

N,

4—}

Y—o_o-—

aaa

39]

Vee

38]

PB IN

37]

MPx

36]

REC

135]GND

34]

LINE

133]

ssK

32}

VF

3t}HPF

|30|

TCH

29]

TCH
wT

27]TcL

26/TCe
25]

wre

24]

HPF

23]

ANT

22}REC

OUT

IN

IN

H

2

H

2

OL

S

OUT

OUT

|

|

BA6800AS

(METER

Ca

DRIVE)

|:

at

o
<=

x
<q
WwW

a,

SWITCHER

a

TA-2870

4PC1297CA

MS4544AL

+

Vee

VsT

;

(HX

(MOTOR

PRO)

VR2

VR

VIN(R}2

TS

|

absolute
detector

VINIR}I

DRIVE)

PH2

a2

peak

detector

PHI

CIN2

CIN}

Cout2

Vout

VOUT!

2)

VOUT

22

VIN

(0)

VouTi2

GNO

ee

ee

ae

ae

ae oe oe oe

ee

amt a |

BG-801G

(DISPLAY

TUBE)

GRID

PIN

CONNECTION

PIN

ONNE

wBcTrON

PIN

N

ASSIGNMENT

REALTIME

—

NO.

NO.

[40]39]38[37|36)35]34[33|32[31[30[29[26[27|26[25[24[23[22[21[20]19[18|17|16/15]14]13]12|¥1[10]

n

|] 8 |Z)

{57[56[55]54|53[52[51[50|49}48[47/46|45|44)43/42/41|

F/FIN|N

[TAPE

COUNTER

y{x2GHGIN|INININIh]gifleidic}|bia|j

ASSN

¢

=]

=

ere

fFlelhiiljlk]e

SGA

Size_]

=

=

Ueda

(_accusias

[ooLeyNR>

|i

(G6GS5G4GBG2GI1G)

dala

(alae

Note

1,)N

2.NC

3.)F

4.)1GA~T7TGA--+-Grid

§.)1GB~2GB-+---Grid

tataTelalalatatatalalatalale

Povv--eerenee-

No

1,

P2------

Filament

MONITOR

][___

| | tare]

CFucc]

|[_e

x|plojnim|/eikjrjq|NIN|FiF

pin.

|]

[SouRce!

Catock]

c |

J[

9[8]7/6/5/4/3/

te

2/1

114

ANODE

CONNECTION

|

_[ica]2ca[sca[sca|

raf

aa

feat

ea

anf

as

reafea

atm
etek

7

ee
int)
fat
fa

eat

mal

bare)

eat)
ie
FSR

Ae

ee

Os

sca

[oa

[oa

|ea|

[ea

|

ea

|ea|

fan [oa faa

[ea

lea

fea] - [ea[ea|(am|

-

-

|

foatatal
[ek

es

bee

|

ee

am

|)

|

cess

ees

[|

1

|

-

|fwowrod

|

|geurcely

ieee

reer

6

ee

eee

(ew

[sca}rca]|

[oa|oa|

lan]

CONT

|

ea

|

ca

[en

Pan]

[2

-

[ala|felam

To

Te

Pe

fe

[|

Pe

|
Tenn

ee

TP]

fe

ee

|

16a
Witt

|

|

NTTITES

|

TT

TIN | HIN

|

a

i

a

an

in

ni

||

|

i

|

fin,

erro

a

ace

MIN

|

Mi

|

ren

|

=

Recuaias

a

TIT

PEAK

(dB)~

ge]

ow]

Me

LEVEL

+

10

=

ae

au

fa

,e

_

=r

zo.

yw

4:740

MECHANICAL

POSITION

HEAD

POSITION

BRAKE

BRAKE

ON
OFF

BASE

CORD

FF/REW

ae ¢ @ @ @ # @

e@oaeeR

eeoeaqgeseeaa

eee#bpope

@s @ @eé6s

@#@e#eps#

eo

ese @ ¢p 6 62

ee

* * @

ee

oes

STOP

¢@¢4

es

see

@

8

¢@¢@#

@ee

8 @

aa6¢

#8 6 @

6p

© 6 @

£8

@ @

*#P

ees

PAUSE

PLAY

PACKING

VIEW

PARTS

REF.NO.

1

2
3
4

7

LIST

PART

NO.

29052290-1
29052290-2
29091518A
29091519A
29095012-1

290100105

29095608
282301

29110071-1

ACCESSARY
29341669
2010098A
29100006A

29365020E
24140214
3010124

DESCRIPTION

Master
Master
Pad

(L)

Pad

(R)

Protecdtion

620x550x

200x40x2t,

'

Sealing

Damplon

BAG

ASS’Y
Instruction
Connection
350x250
Warranty
RC-214K,
UM-4,

carton

box

carton

box

sheet

Poly

bag

Protection

hook

tape

manual

cable

Poly

bag

card

remocon

batteries

(Biack
(Silver

sheet

:

unit

model)

model)

(Cassette

lid)

f

TA-2870

PRINTED

NAAF-3918-2
CIRCUIT

Q101
Q107
Q207
Q213
Q301
Q309
0403
Q413
Q415
Q701

Q704
Q707

Q909

Q913

Q103,
Q203-Q206
Q209-Q212

Q215,
Q217
Q218

Q219,
Q221

Q401,
Q405-Q412

Q417,
Q419

Q420
Q421
Q422

Q424
0425

Q702
Q703

Q705
Q706

Q708

Q709
Q710
Q711

Q712
Q713,

Q715,

Q717
Q718

Q901,
Q903,
Q905,
Q906-Q908

Q911

NO.

Q104

Q216

Q220

Q402

Q418

Q714
Q716

Q902
Q904
Q907

PART

ics

222956

222999
222999

22240369

22240368

222940

22240369

222959
22240368
22240542
222953
222953

222956
222780055MIT

Transistors

2211706
2211255
2212304
2212305
2211706
2211455
221281
2213570
2211706
221282
2213560

2211706
2213284
2213285
221282
2213560
2211455
2201540
2212600
221282
2213560
2211455
221281
2213570
2202115
2202116
2213284
2213285
2201540
221282
2213560
2211706
2212600
2211455

221281
2213570
2212600
2211255
221282
2213560
2211455
221281
2213570
2212304
2212305
2201275
2201276
2213284
2213285
2213354
2213355

2202115

CIRCUIT

NO.

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

DESCRIPTION

NJM-2068D-D
CX-20187
CX-20187
M5218AP
MS5218AL
BA335H

M5218AP

uPC1297CA

MS5218AL
HD614049SB17
M-54544AL
M-54544AL
NJM-2068D-D
78M05

2SD655-F
2SC1815-GR
2SK381-D
2SK381-E
2SD655-F
2SA1015-GR
DTC114YS
RN1207
2SD655-F
DTC144ES

RN1204

2SD655-F
2SC1740S-R
2SC1740S-S
DTC144ES
RN1204

2SA1015-GR

2SD947
DTA124ES
DTC144ES
RN1204

2SA1015-GR

DTCI14YS

RN1207

2SD2061-E

28D2061-F

2SC1740S-R

28C1740S-S

2SD947

DTC144ES

RN1204

2SD655-F

DTA124ES

2SA1015-GR

DTCII14YS

RN1207

DTAI24ES

2SC1815-GR

DTC144ES
RN1204
2SA1015-GR
DTC114YS
RN1207
2SK381-D
2SK381-E
2SB772-Q
2SB772-P
2SC1740S-R
2SC1740S-S
2SA933S-R
2SA933S-S
2S8D2061-E

BOARD

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

or

PARTS

LIST

CIRCUIT

Q912

Q914
Q915
0916

D101,

D102

D103,

D104

D205,

D206
D207-D210
D211,

D212

D213
D214

D401
D402
D403

D701

D702
D703
D704
D901-D908
D909

D910
D911.
D912
D913
D914
D915,

D916

D917

L101,

L102

L103,

L104

L201,

L202

L203,

L204

L401,

L402

L403,

L404

L405,

L406

L407,

L408

L409,

L410

141]
Z401

X701

C101,

C102

C105,

C106

C123,

C124

C127,

C128

C153,

C154

C157,

C158

C159,

C161

C209,

C210

C211,

C212

C237,

C238

C239,

C240
C243
C245,

C246

C249,

C250
C253
C258

NO.

PART

NO.
2202116
2213284

or
2213285
2211455
2212600
221282

or

2213560

Diodes

224450753

223163

224450753
223163

223124

or
223150
223163
223124

or
223150

225227
223163
223124

or
223150
22445

1004
224151004
223163
224150562
223163

22380029
224150512

224151303

22380027

224151803

224151103
224150512

223124

or

223150

224150683

Coils

231147

233382
233328
233382
231089

231085
231083
231101
231100

231077

231149

Ceramic

3010149

Capacitors

372122214

391982217

391984717

391980227

391980227

391944717

391944707

391980227

391980477

391980227

391944717

391980477

391962207

391942217

391980227

391980227

osc

or

DESCRIPTION
28D2061-F
2SC1740S-R
2SC1740S-S
2SA1015-GR
DTA124ES
DTC144ES
RN1204

MTZ7.5C

188133

MTZ7.5C

188133
182473

US

18S

182473
US
SLV-31VC

1SS133

182473
US
MTZ10D
05AZ10R

18S$
OS5AZ5.6Y

188133
HER102
OSAZ5.1Y
05AZ13Z

1SR35-100A

05AZ18Z

05AZ11Z

05AZ5.1Y

182473
US
05AZ6.8Z

NCH-4199
NMC-2069
NMC-6051
NMC-2069
NCH-2137
NCH-2133
NCH-2131
NCH-2148

NCH-4147

NCH-2125
NOB-038

CST6.00MGW

220PESOV,
220
470

2.2
47uF16V,
470
470F16V,

2.2

4.7

2.2
470

4.7
22uF35V,
220

2.2

2.2

or

1040

133

or

1040

or

1040

or

133

or

1040

yF50V,

FSOV,

uFSOV,

ELECT.

LF16V,

ELECT.
wESOV,
HF5OV,
WFSOV,

pF16V,

FS5OV,

ELECT.

uF16V,
uFSOV,
UFSOV,

or

ST.

ELECT.
ELECT.

ELECT.

ELECT.

ELECT.
ELECT.
ELECT.

ELECT.

ELECT.

ELECT.
ELECT.
ELECT.

or

TA-2870

|

PRINTED

CIRCUIT
C301,
C303,
C322
C323
C324
C325
C401,
C405,
C419,
C421,
C427,
C431
C432
C437
C438
C453,

C454,
C701
C709
C714
C909,
C917,
C919
C920
C921
C922
C924
C925

C926
C928,
C930
C931

R123,
R401,
R463,
R470
R473
R704
R706

R725

R727

R901,

R913

R915,

R917

R919

R922,

R924

P101

P201

P202,

P204

P302

P401

P402

P403

PS501

P701

P702

P703

P704

P705
P706
P707
P708
P709

C302
C304

C402
C406
C420
C422
C428

C455
C456

C910
C918

C929

R124
R402
R464

R902

R916

R923

P203

NO.

PART
391941007
391942217
391980227
391981097
391984797
391944707
391941007
391941007
391982297
391980477
391942217
391980227
391944707
391941007
391944707
391922217
391980477
391941007
391980227
391944707
391962227
391941007
391941017
391962227
391944707
391942217
3504251
391984797
391942217
391980477
393062207
391941007

Resistors
5210218
5210216
5210217
442525604F
442525604F
49163392408
441722704F

49163392407
49163392409
442520154F

442524794F

442520104F
441723304F
442520104F
442521014F
4425247

Plug,
25055136
25045165
25050267
25050270
25050267
25055136

25055132

25050270
25050267
25055139
25055140
25050266
25050267
25050268
25050270
25055134
25050272
25050528

CIRCUIT

NO.

14F

Socket

DESCRIPTION

10UF16V,

220

UFI6V,

2.2

MFSOV,

0.1

uF5OV,

0.47

uF50V,

47uF16V,
47uF16V,

10uF16V,

0.22uF50V,

4.7

HFSOV,

220

pF16V,

2.2

UF5SOV,

471F16V,

10uF16V,
ATUF16V,
220

uF6.3V,

4.7

uFSOV,

10uF16V,

2.2

uESOV,

47uF16V,

2200uF35V,

10uUF16V,
100

uF16V,

2200uF35V,
47uF16V,

220

uF16V,

13000

0.47F50V,
220

wF16V,

4.7

uF5OV,

22uF35V,

10uF16V,

NO6HR20KBD
NO6HRS5KBD

NO6HRIOKBD

RS1/2WBI

RS1/2WBI

3,9KQx8,

RS2WBI27Q

3.9KQx7,

3.9KQx9,

RS1/2WBJ

RS1/2WBI

RS1/2WBJ

RS2WBJ

RS1/2WBI

RS1/2WBI

RS1/2WBI

NPLG-6P

4PDBL-59

NSCT-3P951

NSCT-6P98

NSCT-3P95

NPLG-6P

NPLG-2P116
NSCT-6P98
NSCT-3P95
NPLG-9P
NPLG-10P124
NSCT-4P96
NSCT-3P95
NSCT-4P96
NSCT-6P98
NPLG-4P118
NSCT-8P
NSCT-6P351

BOARD

ELECT.

ELECT.

ELECT.

ELECT,

ELECT.

ELECT.
ELECT.

ELECT.

ELECT.

ELECT.

ELECT.

ELECT.
ELECT.
ELECT.
ELECT.

ELECT.

ELECT.
ELECT.

ELECT.

ELECT.

ELECT.

ELECT.

ELECT

ELECT.

ELECT.

ELECT.

uF25V,

ELECT.
ELECT.
ELECT.

ELECT.
ELECT.
ELECT.

56

Q

56

Q

1/10W
1/10W

1/10W

1.5Q

0.47

Q

12

33

Q
1
1002
4702

120

120

123

100

PARTS

LIST

CIRCUIT
P710
P712
P902

NO.

PART

25050267

25045
25050268

Miscellaneous

27141059
27160029-1
27160211-1
27160211
27160029
82143006

NO.

172

DESCRIPTION
NSCT-3P95
HSJ1003-01-020
NSCT-4P96

BRACKET,
RAD-07B,
RAD-68B,
RAD-68,
RAD-07,
3P+6FN(BC),

EARTH
RADIATOR
RADIATOR

RADIATOR
RADIATOR

SCREW

MICRO

COMPUTER

(HD614049SB17)

score

fg

1¢

TAPE

BIAS

REC.

LINE

NORMAL

oe
METAL

SEARCH

ROTATION

PAUSE

FULL
BLOC

eine

eee

SOURCE

/

CONT.

MUTE

MUTE

P-OFF

SIG.

SENSOR

norusep

ACREC.INHBIT
+

CASS-IN

Crd2

METAL

a

1

14
15

16

Si

mr:

19

tlio

ryt

|

aa
114

|

|

ae

f[.

119
—\20

a

159

3

Ht2

15

16
Fi

}18

|

ie

B-

AMCS

REPEAT

62|

61 | MONITOR

TOP

|

6o|
sof)

F.F

—

ae

57l_]

—]TMER

55]

54[_]NoT

|

53]

ay

ee
511

50

|

49[
4g]

47{pREC
a6

{PAUSE

45

44

a

ast]

PB

REC.

REMOTE

useD

=

[PLAY

}AUIOSPAC

—_

REC.

CONTROL

6.00MHz

Vee

SYSTEM

IN

Loa

RESET

ne
MOTOR

©]

|

©

kone]

@—{

"WOTOR

capstan

we

a

ne

Nessrue

REEL

frcuee

Vee

REW,

$23

|

{24

|

ied

4°

127

1,

1

[432

|

42[

4i{_]

_]

40]

39[

3a!

37}
361]

Sot

|

33.

usED

NOT

¢

LELAP/REMA

CLEAR

SIZE

IN

NRSC

ff

©

i

nrsc

TA-2870

MICRO

Port

No.

oS

—

ho

an

—_

o}j;m~

—

23~25

\O

ON

40~44

Sip

ti

nlm | Go]

wor}

Go}

oo]

uo]

Gof

Go]

GO!

Gof

po]

Bo] BO]

bO

h2

1]

Ro 7 BO

rs | ee

reef

eee

fe

—

CO

Sie

taj

S)22

~

6

LA

~]

8
9

in

6

bo

oN

Lar | CA

int

tn | On

63

COMPUTER

PAUSE

PLAY

BIAS

INE

NORMAL

P-OFF
SEARCH
ROTATION
NOT
SIDE-A

CASSETTE

METAL
MECHA.
ASSIST
ASSIST

-PLAY

Qa

io)

LOCK

RSC
ATA

UNTER

Sill

ALi

y

>| x abel

leltoltelim

ak

|

9

2

arate

g

&

5/8)

2/8

|e

|

5/e

SiSie

S|

zidhalalziuolziai<lalolzl=x

0

riot

al

oalalool

mice | os

OT

AUTO

AUSE

a:

PIO

“S|

SYSTEM

lage

=

ey

“”

]

©

2)

O

Z

o)

q)

REMOTE-CONTROL

TIMER

=

3

a

2/2813

FF

KEY

STOP

MONITOR
REPEAT

F-AMCS

B-AMCS

TERMINAL

Name

LED

LED

CONTROL

MUTE

SIG.

SENSOR

USED

REC.

INHIBITING

IN

SWITCH

POSITION
DOWN
UP

OUT

OUT

CLEAR

|

SI}

Sl] = SSICIE

a

ZIQNIAIO]

|x

c

Ca]

cl

oy a 1

Th

iy

c1O}O}m

7

)

re < =I

Ale

—)

SEsltS

S

2

>

es

Ss

~

=

a

es

wn Q tn

ys)

USED

SPACE

KEY

es)

aie

re

RESET

©

1

C)

+

REC.

A| a C

<[o

ws)

{T) | ey

tTl

KEY

KEY

KEY

KEY

O

KEY

BS

KEY

DESCRIPTION

Pause
Record
Play
Full
Block
Tape
Source

Monitor
Bias
Record
Line
Normal
High
Metal
Power
Search
Reel

Side-A
Cassette
Tape

Tape

K2~K0

=<

M7

=

IN

>

Mecha

Assist
Assist
Reel
Reel
Reel

capstan

_

Master-slave

serial

Master-slave

Serial
Tape
Tape
Tape

Auto

Pause

~

Record

Play

Computer

System

Remote

Timer

Timer

REW

FF

Stop

Monitor

Repeat

FWD

REV

(HD614049SB17)

indicator

indicator

repeat

repeat

monitor

monitor

oscillator

muting

tape

tape

off

signal

rotation

type

type

position
motor
motor

motor
motor
motor

wa

code

code
size
counter
elapse/remain

space

key

key

record
play

key

key

key

play

play

output

indicator

(tape/source)

muting

tape

record

motor

key

clock

control

output

output

indicator

indicator

indicator

indicator

control

output

output

end

detection

end

detection

end

detection

detection

input

signal

inhibit

tape

sensor

sensor

switch

sensor

switch

sensor

drive

drive
REW
FF

rotation

rotation

control

communication

reciprocal

communication

reciprocal

select

output

clear

key

input

input

input

input

system

reset

oscillator

signal

input

input

input

output
output

rotation

output

select

input

input

select

key

input

key

input

search

signal

search

signal

output

output

output

output
select
output

output

input

sensor

pin

switch

input

input

switch

control

torque

output

control

control

terminal

input

input

input

output

output

output

input

sensor

input

input

control

control

clock

signal

data

signal

output

Function

output

output

output

output

out

output

input

I

|

c

ADJUSTMENT

PROCEDURES

PRECAUTIONS

Before

1.

2.

3

.D

alchol

Do

mi

adjustment,

moinstend

record/playback

*

a:

pinch

not

use

;

Item

Tape

speed

:

)

Head

azimuth

clean

swab.

roller

magnetized

;

record/playback

Connection

;

instrument

Frequency

to

counter

output

LINE

terminal

AC

voltmeter

and

oscillo-

capeie

:

Line

output
.

terminal

the

following

head

screwdriver

head

of

ee

Line

input

parts

*

erase

;

capstan

for

adjustments.

bia.”

with a head

|

MTT-111

TCC-153

head

Test

with

tape

an

de

;

TEST

EQUIPMENT/TOOLS

oscillator

Audio
Digital

frequency

;

Oscilloscope

AttenustGt

AC

voltmeter

Non-magnetic

Test

tapes

TCC-153

MTT-lll

MTT-150

indicator

Frequency

counter

AC

voltmeter

;

screw

Semi-fixed

on

Head

|

screw

REQUIRED:

counter

driver

.

10

KHz,

3kHz,—10dB

:

:

Dolby

level

400Hz,

point

the

moter

azimuth

tone

.

—10¢B

calibration

200nWb/m

3,010Hz

a

Maximum

same

phase

at

channels

LandR

_

and

AC

Playback | toterminals

2

level

5)

HX-PRO.|

TP-L

TP-R

ane

TP-3

bia

TP-4

Bias
cument:

7

Record
level

Bias

trap

eo,
[Doe

terminal

AC

voltmeter

to

LINE

termibal

voltmeter

and

and

oe

output

eee

ane

12kHz,

Blank
NORMAL
HIGH
METAL
PLAY
FF.
Back

ane

—20dB

tape

REW

tention

Dee

ae

METALTAPE | REC

NEW

XL-I190

METALTAPE

...

NEW

...

XL-I

...

XS-

torque

torque

C-90

C60

...

35~60g/cm

...

...

2~7g/cm

UD-1

70~180g/cm

RECIPB!

ea

|

REC

C-90

AC

voltmeter | R-124

Level

meter

a

R-123

R-351

R-352

L-409

voltmeter

AC

oitmeter

clad

C

A
voltmeter | AF

re

voltmeter

AC

voltmeter

L-410

R463(Ch.L) | Samelevel

|

R464(Ch.R) t REC/PB

Attenutor

OSC

R402

L-101
L-102

(Ch.

L)

(Ch.

R)

(Ch.

L)

(Ch.

R)

(Ch.L)
(Ch.R)

or

output

(Ch.R)

(Ch.

L)

(Ch.

R)

ery

Maximum

7

eee

Same

level

at

REC/PB

Min

bias

leakage

_|

|

R-463

R-464
MAX

Input

VR

imum

ae

Input

VR

maximum

;

-—10-

TA-2870

ADJUSTMENT

POINT

R463

~)

—-

R464

&

(<)

REC

R402

(X)

LEVEL

oO

TP!

PB

R123

oO

TP2

LEVEL

RI24

METER

R351(L)

LEVEL

R352)

NCDIS-4266

CI

TP3

a

TP4

[o] lo]

L409

L410

qe?

NCAF-3918

Cm

~1-

=

—

>
Q

LL

Q

O
I

QO.

a<

a

Y)

Y)

Y)

<

_.

O

A506

-12-

NOILdIHOS3a

(Xd)

(xdW)

PONS

PON

(HSNd)

GON

(qf)

(—)

(S)

(S)

(@)

(HSOd)

(a)

PONS

dONS

()
(MOd)

(S)
(A)

SV
SONS

AONM

(S)

AaO-SV

(AOd)

duod

SV
PONS

OV

7-997b-SIAVN

7-8977-MSVN

7-81

dOTII-LdN

6€-AVVN

WSINVHOAW

MOU

7-1Z6€-D.LAVN

7-LOTP-OLAVN

C-1L7¢-DAVN

7-OL7V-SAVN

‘1S1T-IWGN

‘GsTdIDddS

SOV

JO

Ad

Idde

ASA

GHIdILNACT

YOd

AOOHS

YHEWNN

TVOLLTYO

OlALOATA

SINANOdWOD

SLUVd

I

Dy

<—{

ee)

we

©

"ON

O8PPTZE8Z

6LYPTEST

SLPPTE8Z

LLVVTEST

SLHVd

“ON

'ASY

cO8V

pO8V

LOEPTEST

LEEPTERTZ

C86ETE8T

SO8V

908V

S6EPTERT

6rlese

YW

106d

LSI1

SLYVd

(@)

MSIA

GSG01dX3-SISSVHO

(S)

SV

SV
LAMOVU

LANOVU

NOLLdINOSaa

(fa)

LNOW

LNOW

LNIOL

(NSINHOAWD

(Ld)

LAMOVU

LAIOVU

SISSVWHO

ALV

(AOd)

Id

LNIO£

NOVA

TANVd

MOV

Z-99C6IINI

Z-81S61INI

VSZLOOEZ

Y

cn

In

1l06L

OAd8+SLLE

MAAOS

(duOD)

(aaT)

LHOLL-dVL

DNIHSN

YACTOH

Z-LOS6LINI

7-89S61INI

T-IZS6LINI

Z-OLS6LINI

40!

en

on

on

OGD8tO.LLy

P8St+MLLE

MAYOS

LHOLL-dVL

Odd8+d

LLE
MANOS

MANOS

LHOLL-dVL

LHOLL-dVL

UAHSVM

Ld

Z-ILS6TINI

[spout

O91
PrZ

J9ATIS:[S]

ALON

Lfh

IZ

DAOUS+S.LSE

Od

16'XOIX0S7

AZIXPM

MANOS

YAAOD

ONI
dd

VL

NOIHSND

WAHSVM

dOL

Jepow

yori
q:[a]

OPd8+S

LLP

(@)

(S)

MANOS

SV

SV

TANVd

TANVWd

(S)

LHOLL-dVL

LAAMOVU

LNOW

LNOW

(YY)

(PD

GYVO"”

Guvod

aaIs

ACIS

DPOVI+

dv-W

LLL

YTHSVM

ALV

MOOT

Id

HLOOL

YVATO

(@)
SV
CII

ALLASSVO

MAYOS

LHOLL-dVL

(dq)
(AGO

(qd)

AIT

GIT

(dq)

ALLASSVO

ALLESSVO

MOCGNIA.

(@)(MOGNIM)

(S$)
(AGO®

(S)

(S)

SV

FLV

II

AIT

CYT

1d
OLLANSOO

ALLASSVO

ALLASSVO

ALLYSSVO

SUV

Y
YUVA

AHL

‘ALON

(S)(MOCNIM)

FLW

(@)

1d

(S)

(AND

OILANWSOOD

MOGNIM

PON

SV

OFT

HLIM

GNV

A

AYIA

INO

(S)

(AND

PONS

(@)

(S)
(ART)

(AST

PONS

FON

VC99OIILZ

Veso0I

Lz

"ON

SLUVd

“ON‘'S3U

IV

H8090¢

CVIELELe

LycOOTLZ

142

vIV

tv

SIV

C990EI

LZ

89TEEI

87

61V

SIV

TOOSICILT

V690ELTLT

OSLOOELZ

O8P061L7

9tV

tev

OcCV

vCV

£90028

8800EPPES

8800E

118

6800PP0E8

OV

8cV

67V

O800E

PEC

O€Z108

tv

ctv

VO6P818Z

CLOVVOLE

LE80P

187

SV

1l0cV

COCV

B88007VPES8

c6vIvILe

IZ1IZINI

IcI@zINI

OOSV

cOEV

10SV

~13-

691OPYLES

CLES8I8T

TLESs187

800PTEL8

90916187

8CLOOP8Z

V9OTLOOPET

OLLOOP87

CTLOOPE8T

6PC

76182

VLILOOVE8T

67LOOP8T

TeLOOvsc

CCLOOVET

6VEV6187

VSCSLILT

L-OSTPZE87

OLVVCEBZ

SLYVTEBT

IST
VCE8z

fe

TA-2870

TAPE

REF.NO.

“Dw

Nh

11

13

14

15

16
18
19

20
21
22
23

31
32
a3
34
35
36

37
39
40

45
46
47
48
49

50

51
52
me
54
55
56
37
58
60
61
62
65
66
67
68
69
70
71
y

oe
91
92
94
95
96
97

MECHANISM

ADDRESS

Gl
Gl
G2
FZ
F2
F2
F2
F2

F2
F2
F2
F2
F3

4

F2
F3
F3
G3

G3
G3

F3

G4

F4

G4

F5

F4

F3

F3

F3

F3

F4

E4

E4

E3

E3

E3

E3

E4

E4

E4

D4

D4

D3

D5

E5

ES

E5

F5

E5

ES

F5

E5

D3

D3

|
D3
D3
D3
D3

PARTS
24606441
24606442
24606443
24611481
24610943
24600084
24611060
24611061
24611062
24610653

24600082

24610495

801251
24610652
24605502
24611046

24611064

24603284

24605506

24605507

24602270

24605244

24605709
24610659A

24605188
24610351

24603205

24602271

24601167

24611003

24611047

24605707

24602478

24611065

24605510

24604065

24603286

24605710

24604052

24611066

24611141

24602531

24610969

24606447

24622057

24606205

24604063

24611142

24611068

82112030

24611370

24606444

24610349

24602534

24611072

24605505

24605501

24611371

PART

NO.

LIST

DESCRIPTION

LEAD

WIRE
LEAD
LEAD
PLATE
STEEL
E

HEAD
SPACER
SPACER
SPACER
BRACKET B (H
R/P

HEAD
ADJUSTING
SCREW
SHAFT
SPRING
HEAD
HEAD
LEVER
SPRING
SPRING
PINCH
SPRING
SPRING
PROTECTOR
SPRING
STEEL

22)

@2
LEVER
BELT
PULLEY
WASHER

WASHER
SPRING
PINCH
LEVER
SPRING
COLLAR

LEVER

SPRING

COLLAR
LOCK
WASHER
GEAR

WASHER
LEAD
WASHER
LEAF
COLLAT
WASHER
BRACKET

PAN

MECHANISM

AS

LEAD

WASHER

REEL

SPRING

SPRING

SPRING

BRACKET

AS

WIRE

AS

WIRE

AS
(HEAD)
BALL

3

0.06t

0.03t

0.1t

NUT

M2x4

BLOCK
BASE

AS

(READER)

(CASSETTE)

ROLLER

(CASSETTE)

BALL

(CHASSIS

(REC)

AS:

1.8x3.8x0.5

2.1*4.5x0.1

ROLLER

(ADJUSTING)

(SELECTOR)

PLATE

1.7x6x0.25

WIRE

AS

SWITCH

2.7x0.5
(SW)

HEAD

SCREW

CHASSIS

WIRE.

1.8x3.2x0.5

AS

STAND

AS

(MOTOR)

HEAD)

AS

AS

REF.NO.
98
98-1

98-2
98-3
98-4
98-5
98-6
98-7

101

107

107-1

107-2

107-3

108

109

110

111

112

113

114

115
201

202
203

204
205
206
207

208
209
210
211

215
216
217

218
219

220
221
222
224
301
302
303
304
305
306
307
308
309
310
311
312
313

ADDRESS
D4
D4
D4
D4
D4
D4
D4
D4
Bl

C3
C3
C3
C3

65)
es
B3
C4
B4
B4
C4
C4
Fl

Fl

G3
E3
B1
F5

F5
F3
E3
C4

E3
C2
C3

C4
B4

B4
C4

C4

B3
B5
B5
A2

*

B2
B3
AS
B5

Bl

A2
Bl
B2
B2
Cl

C2

PARTS

NO.
24601261
24601169
24611048
24610374
24605467
24602471
24610970
24602237A
24606445

24611043
24610999

24611053A

24605472
24606446
24611482
24601266
24602532
24606

104
24606119
24611075
24604064
833130047

82512012
801250

8930251
8930201
833125069
801292

893030
801263
24609014
801325

82512603
863720
83312604

801259
833125059

833125209
833125209
863126
24610515
24611372
24611373
24602472
24602473
24605452
24611485
24611486
24611376
24602476
24610723
24609015
24611377
24601267

DESCRIPTION
REEL

MOTOR

REEL

MOTOR

SPRING

STAND
WASHER
SPRING
IDLER

AS
FELT
GEAR

(MOTOR)

LEAD

WIRE

BRALE

PLATE

BRALE

RUBBER

BRALE

PLATE
SPRING
P.C.B.

AS

(SENSOR)
BRACKET
PAD
CAM
LEAF
LEAF

AS

MOTOR

GEAR

SWITCH

SWITCH
CONNECTING
COLLAR
TAP-TIGHT

M3~x4

BIND
PAN-HEAD

SCREW

SCREW

SCREW
M2+4SW
E

WASHER

E

WASHER
SCREW
TAP-TIGHR

M2x3.2

E

WASHER
SCREW
SCREW
PAN

M2x3
M2.5x8

HEAD

3

SCREW
M2+5SW
BIND

SCREW

NUT

N-2BSNI

TAP-TIGH

SCREW

M2.6x

SCREW

M2430
TAP-TIHGH
M2.5+5
TAP-TIHGH

TAP-TIHGH

NUT

N-2.6F
WASHER
STAND

AS
STAND
FLYWHEEL
FLYWHEEL
SPRING

WASHER
WASHER
BRACKET
BELT

CUSHION
SCREW

THRUST

CAPSTAN

(CAPTAN)

AS

(CAPTAN)

(THRUST)

(MOTOR)

WASHER

MOTOR

AS

AS

AS

AS

PLATE

:

M2x12

SCREW

pe

7

SCREW

M2.5+20

2.6TTP+12S

AS

—14-

LWs:740

>

2

ry)

a

aa

4

if

iy

_

x

Oo

nee

-

—_----

é

©

0

8)

=

0

\——.-

\\

ONKY-00375 / DRUCK

1

TA

-2870

TA-2870

FRAME

(CASSETTE)

PART

NO.
24611451B
24605748
24605749
24611457
24611450

24611455A
24611456A
24605750

801437

24611459

24611453B

24611454C

24611476B

24611458

24603285

8761401005

833425059

893030

833426037

24605753

831126068

24611480

24605747

24611380

891024

DESCRIPTION
PLATE
SPRING
SPRING
CUSHION
PLATE
HOLDER
HOLDER
SPRING
TAPPING
PLASTIC
SIDE
SIDE
BACK
CUSHION
LEVER

~

WASHER
TAP-TIGHT
E
TAP-TIGHT
SPRING
TAPPING
COVER
SPRING
DUMPER
STOP

BRACKET
BRACKET

WASHER

RING

AS

(S)
(L)
(R)

(A)

(A)

(L)
(R)

SCREW

WASHER

PLATE

(B)

(CHANCEL)

FW

SCREW

3

SCREW

SCREW

(FW)

(EJECT)

UNIT

EXPLODED

AS

(L)

(R)

(CASSETTE)

4.2x10x0.5x0.5

2.5TTP+5C

2.6TTP+3S

2.6TTW+6B

(BC)

(BC)

(BC)

VIEW

PARTS

LIST

FRAME

(CASSETTE)

EXPLODED

VIEW

ONKY-00375 / DRUCK

-18-

2

eA

Qf

misageebolerncotesedesncetematenreantasse

;

27

:

Pe

7

;

:

£

.

vant

AS

SEITE

re : e

aes

}

LESIONS

IEEE

IO

SPER

LIES

‘

.

——

Fees

:

RSE

ae

=

aaa

fa

;

ee

ianane

ats

Hie

:

RRS

:

ame

;

:

ms

g

Se

pn
:

PERE

‘

Se

ee

MPR

:

eckson

EL

IEEE

a

prs

r

Ne

Lees

Se

ee

:

SG

OSDIR

ER

NSO

EGET

Sigestaianeegepencre

NM

REE

TE

ORE

OIE

:

=

i

p

EEE

LEE

PRLS

rosie

z j

Sa

gS

ee

:

RSS

EESEEE

oS

:

OC

SSOP

SOE

EERE

2

‘

oss

=, Y SORES

easy

AR

IEEE

RITE

LIE

RE

tin

NR

SRE

ARTE

i

amuses,

“M

:

encounter

25133918C

[NCAF-3916

igadhanemtuamainarectocwan

te

toe

7

IRL

SES

aspen

cpg i nawnythaee

x

ess

Ngee

EpORE

NTS

SERS

ONES S ES

os

oS

BROS

ROLE

ERIE

ALANA

RM,

AANA

tA

AMEET

TENT

Qxpemmeed

P10

AONE

OETA

NN

EAI

EC

NTA

EAA

MEAT A OL

ve

‘

z

4 3

:

‘

sgn

EARS

Sea

PES

neon

-

coe

1

e

:

rater

:

[ee

:

:

:

g
@

‘

pe

So)

:

NEO

;

pk

5

:

se

Oe

A

a

omomA

Fi

wages

PicPescorseseses

eS

nat

se

:

eS

a

hk

i

}

C

ie

CE

SSRap

C

SSD

EAARASIRRO

NA

:

)

eae

By

&

SSN

BQnen

Oe:

£.

IAS

SOON

IIE

ITE

SERIO

IEE

PERELONS

base

CCN

RS

NERA

Ie

ORAS

RT

ORO

INA

PARMAR

ACHING

OI

EARNER

AC

Ser

Ouse

;

ALGSEE

SBE

ROR

OE

IOS

ES

BN

ER

RN

Le

DLS

aS = ag

; y RESET

6

1S

es

ae

RR

nbrwscessccrsiier

ie

arent

:
:

é ; : j

:

:

SES

F

:

Shes

‘

oe

iaage

tongs

5}

a

S

.

Keceant

'

y

Boe

&

SS

seatahiow

|

Z

ONKY-00375

Peg

nS

DRUCK

/

APS

i

BORE

_geuessncatetet

PRESLESESEIR

ERLE

PEELS

CRIT

EON

EEE

ei

:

:

|

3

at

»

:

:

-

|

#

Ee

ne

re

ee

fal

|

SCHEMATIC

A

DIAGRAM

(1/2)

B

C

TA-2870

_D

TA-2870

E

__-F

G

ee

1

ES

PLAY

BACK

R101
100K

ili

janell

|

BS

eRe R BACK

gry“

P101

Nox

PLAY

nEeb=D

C101

221

Le

ee

ee

te

nea

eae

ee

ere

re

Q103,

2SD655-F

Q104

eee

BIAS

—_—_—_——

TRAP

ee

2

cise

1

z

160

470

716

er

am

D101

hag

er

on

5

ren

pee

palpi

Beef

vaungeeee

al

}0102,)

c157

Mrz | 470

ok

ace

ne

a

6]

(7)

100K

ee

(8)

5

er

DOLBY

—

ag

(9)

DOLBY

pe

eee

ar

33

(5)

(6)

tr

or

DECODER

Q107

BEUE

(11)

(12343)

32

31

30

ENCODER

Q207

CX20187

rane

Sa

CX20187

(44)

29

a

Ee

ore

Spee

it

SaeneeeE

U

UBUBEE

ya:

(16)

(17)

(18)

(19)

27_

26

25

ee

Sa

(26)

(21)

24

23

22

SS

SS

Q@3093

SRCH

AMP

BA335H

SS

“sed

eS

oe

a

ene

RASS

100

P22)

ow

aqi3

HX

PRO

CCT

HX_PRO_CCT_

u#PC1297CA

SRCH

SIQ@

100,500

(ee)

LINE

LINE

LINE

LINE

P201

OUT

Loh|(O}

YON

IN

Loh

C;

(ee

IN

Roh

OUT

Rohj(0)

RATING

120V/60Hz | NPT-1120D | 103/125VAC
230V/S0Hz | NPT~1120P

240V/S0Hz

NAETC—4267—2

oO

2

103/400VAC

TLE

adda

(40)

IZE

3

(2/6)

-

OO

$201

-

MPX

FIL

Larrea

A

A

903

save

0911

A

=

Al

1.282

1SR35—1

Ug

-

a508

804.

00A

_

9

0088

11,12

8

[.305-Nic2069

ad

x

ee

7

288772

~«13~—14

&

ggugug

Te

(27)

(26)

(25)

(24) (23)

16

317

(22)

16

139

20

213

NAAF—-391

8-2

ONKY-00375 / DRUCK

vL902

|

(1720) f (12)

POWER

SUPPLY

om

Pivicdinbiaaarte

Sr

NAETC—-4267—2

RE

AS

Ss

por

—_

Beh

eetreteasttrir!

(4/6)

peaeth?

a

eT

TO

ST

ONKYO

CORPORATION

4

iualeaiaaier

sa

DIAGRAM

TA-2870

(2/2)

B

3

4

1

2

4

REC

Lijit

|

MUT

[

i

i

1

SRCH_SIQ

OE

CASSETTE

|

'

i

{

a

Da

a

inl

RE

AA

PS

ES

MECHA

$4

SW

MTL

s5

SW

HIGH

ek

ra

oveavennemam

a

Ho-+o

CELE

O

PTL

O

PL

O e

eae)

Pe

J

PL

O O

|

: @ ALL

ee

O

TL

0

HERR

O

EET

THE

@

REPLACE
VOLTAGE

@

ELECTROLYTIC

@

ALL

@

EX)
THE

@

Destatelee

EX)

CIRCUIT

@

met

NAAF—-391

he

ce

Ra

Dh

Ree

rit

TT

ae

tat

COMPONENTS

ONLY

WITH

(MEASURED

CAPACITORS

CAPACITORS

33pF+330,

3pF+030,

RESISTORS

LINES

THICK

PRINTING

SUBJECT

IS

8-2

we

ae

er

:

IDENTIFIED

WITH

ARE

ARE

ON

a

PART

IN

PC

SIDE

TO

ee

MARK

BY

NUMBER

SPECIFIED.

VOLTMETER)C]

ARE

(4#)

UNLESS

pF/SOWV

IN

330pF+331,

OHMS

BOARD
CHANGE

1/4

ARE

ie

ae

St
GO

GO

5

ms

0,
WATTS

FOR

ee

CRITICAL

ARE

AN

VOLTAGE.

DC

IS

«FAW.

IN

OTHERWISE

033nF+333

UNLESS
PRINTING

THE

IMPROVEMENT.

eee

eee

SAFETY.

FOR

INPUT

(NO

NOTED.

OTHERWISE

OF

SIDE

eS

SIGNAL)

NOTED.

PARTS.

THE

R701

330

Q701

HD6140495SB1

nes

FULL
BLOCK
TAPE

tae

VENT.
STOP

siete

4
5
6

eM

3.

7

FAD

FF

REW

als

-

S604]

;

mae
!

Kx

ow

63

&

61
60
59

58

BEC

Arrys

-

OFE

“OPLY

4

a

G—

|

oeeeeset

ages

i

i

il

EST?

4

epee

—2

s

4

eae

JL71

L710

Le

2a

ea
DE
eee
j-—4———

L

EATS

eee

See

ee

=

|

$701

as

L

ol

ol

PLAY]

Lee

Sega

Baas

a

El
ee

aa

pa

rn

at
2

m

oO

é

a

we

S703

|

S702

aac

adie
L

L

of

[pause]

Rec

Di I 2

ee

ees

||

|__|

HH

+H

ae
7

4

S704

|

Ce

L

ol

A.S

P709A

a

ease i a

|

S705

{|

eass

Cake

L

of

of

|

Rew

[

eee

ee

S707

{|

S706

Saha

Vigaligly

L

L

ol

stop[

|

Fr

es

REReSRED

Fe

Or

1

2

2

A

$7121

|

+

of

MONI]

eet

a

Oe

-

ciara

L

of

Re”

JL708

eee

S713

ee

eee

a

+

+
=}

ei

.

:

-
a

3a
4+—_—_

|

of

:

/

Pd

ss

$714

|

S708

Sadia

meas

L

L

of

aves

|

[aves

ieee

HD6141

4 4 —Voe

10

11
12

1Ze

14¢

15
16

ee

47

19
20

—421

‘a

=

OO

S710

|

L

of

BLP

|

dace

|

ereenere

eee

Q721

Ta

2

06

305

SELAPSE

6

oq7zs

8

NC

3a

b

0
4

9
Colon

NC

S-DATA
S-CLK

TAKE

Voo

SUPPLY

$711

S709

|

L

L

Joie

ol

of

CLR

|

P707A

BEES 2 cea

jt

i i

2

26SA41

ah

a

G2

41

aw

40

Q4

39

|

sat

nc

=

37

ssh

35

7

ad

MODE

33

7

32{-}

RESET

31

SIZE

Ea

ry

30

GND

29

csc

Fl

osc

28)
27{-)

TEST

26}~

RESET

2

UP23

-

22

F

,

'

|

|

.

|

NOE

TE

eee

e875)

8B

fp

(ene

O05

OFF

ON

MONITOR
TAPE

waQnnuruna

SOURCE
FULL
BLOCK
xA

ak

aa

3GA

Ba

eaA

TGA

=

ELAPSE

aA

bA

aA

dA

oA

TA

oA

Colon

NC
NC

NC

ne

16B
208
xB

+10dB
+74B

+54dB

pig

+248

os

'

ONKY-00375 / DRUCK

|

|

|

1

|

|

|

i]

1

38a

Be 7 eH

Voo

NC

|

-30

Roh

METER

-20-10

Q501

NC

45678

AVP&DRIVER

HB

RB

-7 5 3 2 =—

BA6800AS

GND

G2

Gi

+10

3

10

11

22019

12

ne,

16

0

+7

#45

13

414

engine

ONKYO

thet

tee

eel

CORPORATION

5

TA-2570

SCHEMATIC

in|

I

st

ay

:

'y

;

Po = Ge,

oe

|

|

6

r

a

5

6

,

a

|
|

t

i]

e

s

é

a

‘

6

NODEL

UG

|

t

\

'

|

|

'

J
J

Q223 3 wees

WN
|

!
!

LINE

OUT

LINE

NG p RUSS

-——

0151-154

NAAF—-3334—2

C307

ae

C308 | C309

1200P] 1 200P

R321{

3.3K 4 3.3K

R349

2K

eer

CC

DIAGRAM

ww

ONLY

P105

Lehto!

ach!

=

188133

3

a

es a ea

!

Gy<

i]

‘or

>

Orr

Pios

Q151

(1/2)

NUM4558DX

0153

Ro

+81

ag

|

TOK:

3.3K

KS)

R322

Q311

(1/4)

NUM2902N

ES

SF

=

R161

1K

C151

LL
9151

\ / R151

ES

C183

=«41/50LL

R163
270K

ea

oie

Bers

1

LT

ese

56K

3

R

7200P

R361

BS

2

SS

AOE

ee

TPS

SS

es

R336 C315

+™

LEVEL

ae

es

cess

106

R3

4.7K

Q311

ee

-

OS

R169

3K

in

Oo
=

<

4

x

m

og

fd

&

ees

10K

aa

oy

(2/4)

2K

ag

(1/2)

GENES

2

te

OS

eee

R175

1.2K

0.22/50

H.P.

AMP

ws216P

(1/2)

Q301

sais2ie

C301

R307
120

ee

a

9307

a

C314 | C313

R331[

R335

caon

«

4.74
:

324

0.47/50

a0

O306

1K60

g

-

s|

EES

6eK

R330 | R329

Q311

OF

ES

C316

6257

®383

KF

SN

SE

OS

OS

A

A

ES

OS

OS

OS

AES

OS

CERES

OP

2

#3

28,

Q205.

OSAZ8.

Q207,

815

40

(s)
3837

.0202
2

2SC945

(6)

()
36

Q203

Be

hed

x o

io

N

ty

bs

wo

D101.0102.0201

MTZ6.

h

Q1

3.

:

R222

100K

&

(3@)

(37)

(36) (35)

#4 § 6 7 8 3 10

|

|

ee

w

x

io

N

4

iN

18)

eee

|

(3/4)

ON

ay

OO

SN

N

a8

_

PL

1 2 #3

—L,

meer.

5

a.

'

3]

|e

OF

LRRD

P3064

SO

ene

Rech

MONITER

OUT

LS

OS

DOLBY

(8)

(3)

35 & 33

%

a

A

©

£

‘e,

DOLBY

Q203

(34)

oo]

a

o|

6

ml

@

m
nr}

@

8

|

uo}

¥Y

A

oS

LS

OP

NR

DECODER

(10)

(114)

32

:

NF

ENCODER

CX-20187

(33) = (32) (31)

14°6142~=«13

RSS

(12)

31

Cee

AO

OS

(13)

(30)

#30

E

SS

(44)

29

:

(29)

#14

DTC144ES

$301]

te

oF

SS

(45)

#28

(28)

«18

=|

Q315

Ribera

SS

(46) (97)

#27

#26 #25

(27)

(26)

#16

17

$302

oe

bade

ee

secre

SS

(18)

(25)

#18

de

EE

(19)

24

(24)

19

a.
o

g

ry)

n

N

oO

JONG

elie

CE

A

SS

(20)

23

(23)

20

eae

OFF

eS

So

eS

(21

22

(22)

21

eae

SS

oS

a

Da

eo

ae

S303

R374

Rete

OS

R375

PE

a

a

ewes

SS

oo

AS

de

OFF."

SE

B1

Y

Ee

8

SO

ES

SS

R403

4.7K

R405

6c

AO

:

|

H

|

|

°

|

|

H

|

;

|

|

|

Q308

FETO7A

NAAF-3345-1|

_

|

ED

SS

a

ND

Oo

SE

|

Q@226

Q227,
Q423

Q425
Q427,

220V

C901

‘

5

oa

SS

2SA1015

2SA1015,

ebGvae

A

orci14ys

Q426

JA101

otaitays
28D947
Q428

JA101

SOHz

A

A

SS SS

NUM4558DX

. . ;

R427

411

SB0OP

L401

R249

22K

vai

Ay

$30

3

|

fa

AS

SS

SS

A

(172)

eH

A

i

8

|

A

Te

NPT—1003G

>

LS

Ae

-B1

EQ

REC

@409~0414

RED

ots.

0.033

Ones

|

Y

;

|

ee

SENS

ANP

280945

2scr815

oF

-

es

pes

-

ae

Q305

2861815

#15 #14

ts

pect

1N4002,

MTZS.1A

OSAZS5.1X

HZ5.1€61

C303

w

ro)

~

6

~

”

x

‘

P

Oars

a

SEARCH

Q303

co]

ao

t=]

ball]

to]

©

-

bs

mim

(6) (5)

«13

APS

3

1

A

(yr

‘

Da09

1N4003

0907

MTZ20A
OSAZ20X
HZ20€81

|&

m

bs

o

,)

Oo & -

nl

2

=

.

AMP

BA335H

x

Oo

N

-

©

4

a

Lora

ob}

—_

;

Ss

D910

MTZ15A

05AZ1SX

H21

5E81

oO

Ny

~
¢t

,

o

wo

QoQ

mn

Oo

vereR

accu

9

C437

-

10P/500

0313,

SEL291

NCH~

ssy

~

0914

3K

ya

sial_

[|

R260

47K

ACCU

BSY

SRCH

=

|

= =

Gia

cepacia

a

5p

coon

A

SOTA

OP

a =

1°

#17

#16

BME:

\

1¢2

L

|

3

Ce

Ay

0903

cs03,

2200

AN

725

A

R903

0905 A AA

:

R309

{10172

Q903

25A1015

D908

5.0]

rsos

§=9Q906

7emos

Fa

P-OFF

23

ae

S

E

=

E

F

ES

OF

RS

SD

OR

EE

ia

eS

OF

ONKY-00375 / DRUCK

6

ONKYO

CORPORATION

TA-2570

CS

AS

SAS

eS

0

BY

1/4WATTS

--

V.T.V.M)

ACCU

ES

O

y

tw

EF

Ww

W)

oe

O

(2/2)

SS

PAS

ED

SS

PS

A

MARK

eee

UNLESS

OTHERWISE

UNLESS

uFW.

IN

ARE

V_IS

<2]

8SY

e

Sw

MTL

Sw

HIGH

|

cass.iN

ARE

0

°

O

0

TP

A

oS

SP

CRITICAL

OTHERWISE

VOLTAGE

DC

tet

O

O

oe

eee

NOTED.

=

js

.

O

d

ae

e

both

O

PEs

POPE

0

FOR

NOTED.

§

O)

5

U

O

1

cere

©

SAFETY

(NO

RO

oo

INPUT

SE

ES

SIGNAL)

ES

SN

SS

Gs

)

SE

R704

100Kx7

Ce

.

‘i

"R707

NAAF—3334-2

R702

excel

4

tt

|

pd
pt

a

|

tN
Pd

ae

9KxS

3.

R701

Q701

270

HD614042SHS7

1

RIND

2

P.1ND

3

REPEAT

i

eS

xApe

SEAGER

shee

9

TNOI/Z2

10

TUNED

17.8SY

128.C.
130IN.M

14REC.M
15

LINE.M

16

TSS

47

A.ADJ

18P.OFF

SRCH

19

20

CA.IN

21

R.

INH

22

R.SNR

23

K2

28

KO

aSS

eg

26

pass + cc.
ere - |
29REL + S.IN3

0

PLY

sy

cap.c

32Vcc

ie

|
Die

716

:

;

|

PA.IND

AAL.F
AM.B

Reber

fee

REwW

Tiven's4

GND
OSC2
OSC1

TEST

RST
PLY
REC

PAU

AU.SP

MODE

—

SIZED

S-DATA

s.cuT

S-CLK

es

———i———

Bere

FF

RST

“IN

R703

B90

64
63
6

96
ee

S6
SS

53

52
S1
SO
43
48
47

46

45
4A
43
42

.

40

33

38

36

35

3s

33

H25.6EB2

03AZ5.6Y

EF

=

ee

[ee

Ps

—

-—

a

So

10K

Ses

ee

ee

410K

dissin

ae

ese

emer

SR)

Rize | R727

R

4

0

o7-

teed

Q701951

+++

ze

0708,

D703

SEL2213¢

SEL2413

0310

‘iit

J

4

ree

z

oto

te

oy

-

i

4

;

|

eee

rites

oie

8

aise

Risin

Siscaiees

pele

4.7%

nee

SiGe

Rees

——,

ae

ee

NASW—3342-2

w

Y

clelelslslelelele,

Sra

'
3

g

Bl

Ps

14-373"

=

,

_?

—l4

P701

R735 | C709

:

Q702

LC6527H

—36593

1

2

3

;

5

6

7

5

:

t

v7

16

aps

14

13)

032

41

10

,

|

'

|

1

|

|

a

|

7

as

a

|

LT

2

ces

oo

eS

ot

NP

-—1

tio

pt

Lacs

ie

id,

rd;

a

LI

cccccccans

2:

oO

w

mn

ta

wm

rao

ae

ee

b
:

8)

ow

eae

—£

B

<

:

Ay

ga)

3°

$7

3"

=

a

‘aes

os

2

_f

.¢

aise

HD614128SA41

N=

oo

awn

G7

3
4

s

6

7NC

a

9

12d

13

bp

S¢

a

47

18
19

20

1

Vee

cons

REA

NC

-

Colon
NC

NC
S-DATA

S-CLK
Veco

39

Gi

38

NC

37

36

3H

34

33+}

MaDe

RESET

32°

31

SIZE

30

GND

osc

23

TEST

27

RESET

26

24

TAKE

UP

23

SUPPLY

22

N

-

o

on

318)

cara

ak

"

21)

ot

ee]

eel

a

mn

N

¢t

Dal

a

|

b&

¢

|

]

;

|

$8

pon

pay

2

_?

100K

100K

alle

—

i

i

rN

ar

eee

67

—

ft

|

;

az
5]

Biba

a

=

C32

I

as

i}

ee

E

I

hy

FI

NP

B

ae

oO

wars

nuawn

|

{|

a

EH

a

i

3

t

!

|

:

1

S

:

:

s
a

tl

H

762

RSO6

|

a

SS

ASRS

ens

NR

SSS

SS

SALES

SE

RTS

SF

RS

Oo

SCHEMATIC

ard

THE

e

ALL

e

ALL

e

ELECTROLYTIC

e

VOLTAGE

©

,

VON)

T/S

METER

DIAGRAM

ED

|

Moe

CONPONENTS

ee

RESISTORS
CAPACITORS

(MEARSURED

.)

S16

©

AED

PT

o

-

IDENTIFIED

OHMS

IN

ARE

IN

ARE

CAPACITORS

WITH

uF/SOW

‘

BSY

ACCU

2

SRCH

3

DA

OUT

LINE.M

:

4

Bc

+81

DIN.M

MTL/HIGH

REC.M

ACCU

ADJ

Hace

Ty

ry

SW

aa

rT

t

;

ONKY-00375 / DRUCK

7

P-OFF

485.8

+82
£

|
zi

tiff

ttf

100Kx15

2

29.26

27

26

25

24

23

22

212019

16

#17

Vee

NC

-30

-20

-10

-7

-5

-3

~-2

Q@501

;

«KK

3.9

LLL?

SS

SAS

SA

SS

SE

SS

SE

SS

EES

OO

OD

eo

oe

5

3K

3K

S

SATO

CF

NED

SF

SS

OF

SE

AF

OF

SS

SURE

Vo

(4 a e

gis

:

rag

ry

lo}+fo!

ET

ss

|

3

rood

60.5.9

P705

ea

ATES

OS

SD

OS

;

ee

C722_

«0.022

Leh

bes

BA6800AS

GND

G2.

Gi

+10

10

14°12

-1 O +1

+7

+5

«13

«14

«16

*¥2

«+3

«15

ONIKYO

Fe

ee

ee

ee

oe

le

eee

CORPORATION

—

<

re

‘nnn

OE

sissies

eS

ap

nt

RN

25134268

ATO

T:

DELI

BRIERE

LR

ILO?

neon

evs

SBE

ILOEE,

AERATOR

ey

asienemsnsit,

25134270

NCPS-4270

NADG-4271-2

—25-

25134271

L)

ie

#

we

j

genet

a

an

neaincnatinnectenelabieny

tan

"

enters

siintaanane

eainseape

cst

eee

ANTES

TA-2870

PRINTED

NAETC-3921-2

CIRCUITNO.
P301

NADIS-4266-2

CIRCUITNO.

oo

Q721

:

Q305,

Q306

Q722

Q723

X702

C351,

C352

C353,C354

C721

R351,

R352

PART

25045139

PARTNO.

Ic

uae

22240084

Transistors

2213090

2213284

9213285

Display

212086

Ceramic

3010143
Capacitors

391941007

391942207

391941007
Resistors

5215044

CIRCUIT

NO.

.

or

osc

DESCRIPTION

HLJ0540-01

DESCRIPTION

Bao

HD614128SA41

DTA114YS

2SC1740S-R

2$C1740S-S

BG-801G

CST3.00MGW

10uF16V,

22uF16V,

10uF16V,

NO8HRSKBC

BOARD

or

ELECT.

ELECT.

ELECT.

PARTS

LIST

NASW-4268-2

CIRCUITNO.

D711,

D712

D714

S701-S714

P707A

APS-4270-2

NAPS-4270

CIRCUIT

C901
S901

NADG-4271-2

CIRCUITNO.
Q724

NO.

PARTNO.

Ep

225141

225137CG

225137DG

ee

eae

or

Switch

25035548

Socket

2005230415
Holder

27190764A

PART

NO.

3500065A
25035558

PARTNO.
24130003

DESCRIPTION

SEL2213C

SEL2413CG

SEL2413DG

Ser

oapY

or

NPS-111-S510

NSAS-4P0003

HOLDER(LED)

DESCRIPTION

0.01uF,

AC400V/125V,

NPS-111-L520P,

DESCRIPTION
GP1US50XS

POWER

IS

SWITCH

NAETC-4267-2

CIRCUITNO.

R271

|
R273
R459

$201-S203
$601,

S602

S604

PART

NO.

Resistors

5104296
5104260
5104271

Switch

25035611
25035611
25030351

ONKYO

International
TOKYO

ONKYO
Industriestrasse
Tel:

DESCRIPTION

N14RGLC250KMN25Z
N16RGLSOKA25Z
N14RLC5KB25Z

:

NPS-122-L573
NPS-122-L573
NRSF-113-25SR8

CORPORATION

Division:

105,

JAPAN

Tel:

DEUTSCHLAND

20,W-8034

089

84

93

20

Fax:

Onarimon

03-3432-6987

GMBH

Germering,

089

84

93

Yusen

Bidg.,

Fax:

ELECTRONICS

GERMANY

226

TLX:

23-5,

Nishi-Shimbashi

03-3436-6979

05-21726

ONKY

=

3-chome,

D

Minato-ku,

Printed

by:

Schaltungsdienst

—26-

Lange,

Berlin

A108

(GERMANY)