Akai AM-59 Guida per l'amministratore

WWW.AUDIODNA.SK

www.audiodna.sk

AKAi

MODEL

AM-59

MODEL

AM-69

SCHEMATIC

DIAGRAMS

AND

PC

BOARDS

TABLE OF CONTENTS

1. BLOCK DIAGRAM . •. . . . . .. . . . .•. . . . . •. . . . .. . . . .. . •. . . . .. . . . . . . . . . . . .. . . . .. . . . .. . . . . . 3

2.

CONNECTION DIAGRAM . •. . . . .•. . . . . .. . . . . . .. . . .. . . . . . .. . . . . . . . . . . .•. . . . . . .. . . .. . . .

4

3.

TONE AND OTHER PC BOARDS . . . . . .. . . . .. . . . . .. . . .. . . . . . . . . . . . .. . . •. . . . .. . . .. . . . . .

5

4.

SYSCON AND OTHER PC BOARDS . . .. . . . . .. . . . .. . . . .•. . . . . . . . . . . . . . .. . . . .. . . . .. . . . .

6

5.

PRE AMP & SYSCON SCHEMATIC DIAGRAM

...................................•.....

7

6.

POWER AMP SCHEMATIC DIAGRAM

......•..............•............................

8

7.

V-

AMP AND OTHER PC BOARDS

.......................••...............•...........

9

8.

POWER SUPPLY SCHEMATIC DIAGRAM

...................•.........................

10

9.

POWER SUPPLY AND OTHER

PC

BOARDS

...•......................................

11

10.

DAC SCHEMATIC DIAGRAM

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

12

11.

DAC

PC

BOARD

...............•.................•..............•....................

13

12.

INFORMATION OF ICs . . . .. . . . .. . . . .. . . . . .. . . . .. . . . .•. . . . . . . . . . . . . . . .. . . . .. . . . .. . . . .

14

Use these schematic diagrams and

PC

boards

together

with

the

provided service

manual.

www.audiodna.sk

1

2

3

4

5

6

7

8

A

!PHONo!·

will

!TUNER!

~

ErD

N

B[j

N

m:J

N

!DJGITAL2!

IN

!DJGJTAL3!

IN

AM-&9

ONLY

B C D

INPUT

PCB

TR1,

2 I

--7.-----!r-=~D/A

LY~~N~UT

SELECTOR!

'>-----.

I

LINE

MC,ON

(1/4)

,-

I

(IMPEDANCE

CONT)

I

11

I

AM-&9

ONLY

r

TR10&//107

:

I

TR1

oe.•

TR181

:

-184

I

JC101

LC7822N

I (REC

OVT

SELECTOR)

~ECTOR

PCB

I"'

IC2

PD0037

'

r

-,

:

..

:~>

I (1)1 !

...J

I

-,,~~

I

__

I

TUNER

CD SW201

(1/4)

PHONO

TAPE1

TAPE2

TAPE3

I

~

f-SW~~~~--~

WU

ow

~~

IC201

8A&109

VP

DCINN

jH

~b

.,,"'INPUT

SW

PCB

-----

I

~\'3

1-.4_...:._

_

_;_

_____

--o<:

r-

- - -

-1

I I

,

__

-!_S_&

__

,

IC3

I I

I

JSYSCON PCB

SM5840AP

Ls

IC4

PCM&9AP-J

SOHz

OSC

IC1

(2/&,

3/&)

DAC

PCB

ERR2

7

}-----;;.li7

BCK JN

(

DIGITAL

AUDIO

)

INTERFACE

RECEIVER

JN

( 8

fs

OVER

SAMPLING)

DIGITAL

FILTER

(D/A

RESET

TR7,

B

E F

TONE PCB

'-------'(MODE!

STEREO

i

MONO

(FULL

MUTE)

\ I

-.-·

I

+fV

iRL

---------•---------------

L-0

+1 SV

+1

SV

-15V -15V

mo,-m

11/1

0301

REG

~"~"'

1\

1

D304

REG

+ssv

-ssv

TAPE2

1

~;N~E

____

CJ-0,:

!

[~~--i-r-i;-,

i

:

DIGITAL:

I :

~

'!iM=-1.9-0NCv

~

~-----·

o o o

..,______

:~~~---

REC

OUT

SW

PCB

:

--------

I

l--

------

·-

SELECT

"'

Ii

~

Cl Cl Cl

0 0 0

ICB01

LC&6404A-4B&7

(SYSTEM

CONTROL

Ml-COM)

DIGITAL

1,

2,

3

STAND-SY

L----

+ v_____________________________

AM-69

ONLY

--------

-

---

I

----

{]~

I

POWER

~----------------------------------------------------------------------------------------------------------------------------

A B C D E F

www.audiodna.sk

F

TONE

PCB

(FULL

MUTE)

---....IJM:XJEJ

STEREO

t

M:>NO

-15V

-1SV

m,~,4/1

D304

REG

-ssv

"' "'

...J ...J ...J

~

;;

(!l

;;

0 a 0

ICB01

LC66404A-4B67

I~

(SYSTEM

CONTROL

Ml

-COM)

p!GITAL1l

8

I

-----ooLv

________________________

:

F

I

L

...J

:::,

IL

G

ON-OFF

JLOUDNESSJ

G

H

~

IC1

(1/2)

<.J

"4521

BAP-721

~

w

5

Cl.

II

JVOLI..MEJ

VR501

TR501

?

TR504

I

TR2-TR7

+SSV

V-AMP PCB

-----...J

Lv:

--

mH.

"""

- -

-----

----,

I

-E-::--'-'~------~+16VI-

____

__..,

I

I :

REG

:

I I

: : I

I

TR

I I

-1

6VI

216,

217,

219

:

R\~i-------,.-~--J

I

+12V

I

+ssv

-ssv

I

~---------------

:

AM-69

ONLY

___

_

I

POWER

_s_uPPLv PCB

I

- J

J

TR102,

106

>Cl.>

0

,(

0

,c-

f-

,c-

<.J

•

<.J

< <.) <

IC101

J£PC1237H

OVER

LOAD

DC

ZERO LEVEL DET

AC

OFF DET

T1

(MAIN

TRANSFORMER)

K

-r

!w°l•~esl

R-CH :

i_J

r - - -

-,

PHONES JACK

PCB

n

11

~EM

Ai

11

I

11

+

LJ

SP

TERMINAL

PCB

AC40V

,-------,

11c-O------

AC40V

AC1BV

GND

AC1BV

ACB0V

GND

ACB0V

;

--------------------➔

l

T701

L-CH

AUDIO SIGNAL

LINE

(PHONO)

L--<::H

AUDIO SIGNAL

LINE

(D/A)

H

AC220-230V

S0Hz

(SUB

TRANSFORMER)

PCB

J

AM-59/59

BLOCK

DIAGRAM

No.

A207751M

Al

K

1

2

3

4

5

6

7

8

3

www.audiodna.sk

1

2

3

4

5

6

7

8

4

A B C D E F I

r_P_H_O_N_o_[

__

RL~--::1

J=~k=C2=1-=00=7=0A:.-_=_=:_=:_=:_=:_=:_=_=_=

_=

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===:-=llla:i::O

...J

--

➔

71

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=-~~=-~~-=-l

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5201

2-031

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GNDI~

I'-,

-

l"::)I

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Y~C21-0045A

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TAPE2

1t 1

---

'

,,

1

GND

If

I'-,

',

I

";ii

REC

SELECTOR

PCB

TAPE1

:r,

1

:--

',

1 I

I I

0--0

GND

, I

--

I

;.;~I

~

o--o

A2077A502B

PHONo 1

>;

1

'--

---1,;1

TUNER[LR

10°1

0--0

GND

1

'.'

1

'--

--1~1

0--0

L CD

11

I'-,

',

1-!,1

0--0

GND

1

>;:

I'-,

',

,;!.

I

I I

0--0

TUNER

1i_

1---

--

1>\1

L

~

0--0

GND

I">;'

I'-,

--J~\1

L]

NE [ I I

0--0

LINE

11

i---

--

1

::.1

R O

0--0

GND

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--

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0--0

ri57,.;-,I):;' I

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r= J

J3

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10

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I'-,

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TAPE

1

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1---

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L I

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TAPE2

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1---

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TAPE1

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GND , , ' ' o)I

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0--0

PHONOI),

I',

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1

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YKC21-0071A

0--0

GND

1

'.'

I'-,

'-

>\

1

0--0

R

l>-1'-,

',l,!!.I

0--0

CD

1,;!.:1--

' ,;!.ll

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GND

I~

I'

' ' oJ

LINE

I~

I'-

',

I~

I

CD

TAPE2

5200B-I

INPUT

I

INPUT:

+·

TIIP1JT

~

B3B-1

R·

L·

j!N

[~

l.?uT[~

~

0--0

TUNER 5 ,

', ',

l~ll

O--OL1

GND

:~

:-==

==

~:

t:::.J

r~~12;<:31

-

--

,;.

"-JJr,

~~~b_Y_I

rJ-"M-

4

-~~bY,

'~t{l

,~,l}

INPUT

SW

PCB

I

K9)oo::YKC21-0071A

,~

ONLY

A2077A502C

~

INPUT PCB !

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i!

Im'T--

=~:.__

_________________

_

!©I

, 1,--- 1

L

::'..J

A2

0 7 7

AS

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2A

1

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11

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I :W4A

f"_<_w_il

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I

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u

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I

1740J/4-9

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P7

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L_!_

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-----

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3 VR DONN

1_~_N_"',1-----

I

VR"

4

~

VR UP

J4

a:

~

...J

P3

I I INP\/T

SEI

5

t-----...j~

INPUT

SEL

GP1

F32T

<!I

B11

B-PH-K

W3

I INPVT

"""

6 •

INPUT

POS

[

OUT

'(5' DAC •

POW

, 'r,' I

••c

seLec-·

7 7 REC

SELECTOR

D ]

~

S2

2

I~

I

INPUT

UP

a -

G1

GP1F3~il

DAC PCB

S1

3 1

>;'

I I INPVT

~

•--------'1

:~=~

~~

IN

[Q]

A2078A501

0

32

K • 1

>.<

1 I I I

I

44

. 1 K s I

>,;<

I I

,.I

4BK

• I

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+5.6\

1

-'.2:

+5.£,V

I I > f;l:"E" 9 1

>;<

1 I .,... 2

~

GND

D I G3

1\.0

~

~ ~

MCK

10

I

~

I I - 3

~----'~

GND

L[_

U,

r r

t,OT

11

1

,.,,

1 I

POlli!!R

ow!ll'I' 4

- 4

POWER

ON

-

J3

+

<!I

I

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+

~

PR<11'EC1

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>

a:

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- - - -

T61

B0-BAAA

if"'~·~

..

~N~~I

W2

I T I

~

PROTECT

~ ~

~

---------

l-f---

-"M-69

ONLY

---~--J

..

l

_____

(:-:-:-:-,W14

,;::;.,ws

' - - -

,--------------

v--------(',:'..l1~

I~

1

+sv

~

AC220V

S0Hz

fo

230V

! ------f3 I

,..ST,..AN...,,.D~-B~Y~L~E-D

I 4 I

STAND-BY

--~

POWER

SW

PCB

A2077A503B

WNS

REMOCON

I

+SV

I

STAND-BY

LED

I

L

STAND-BY

I

POWER

LED

I

GND

I

--

l

~:;y

PCB

I

----

077A502H

P601

2

B2P-3-VH

0----0

n

0----0

1 5 1

POWER

LED

, 6 1 GND

dE

~~-~

I ISUB TRANS

PCB

u :i:

Ll.§::L~

_I

A2077

A502J

~"

----

P602

B2P-3-VH

WARNING, ,t,. AND -

INDICATE

SAFETY

CRITICAL

CCMPONENTS FOR

CONTINUED

SAFETY,

REPLACE

SAFETY

CRITICAL

CCMPONENTS

ONLY

WITH

MANUFACTURER'S

RECG,MENDED

PARTS

AVERTISSMENT,

,t,.

ET

- ,

!LS

I NDI QUENT

LES

CCMPOSTANTS

CRITIQUES

DE

SECURITE,

POUR

MAINTENIR

LE

DEGRE DE

SECURITE

DE_L'APPAREIL,

NE REMPLACER QUE DES

PIECES

RECa..MANDEES PAR

LE

FABRICANT

A B

.4M-59,A2077-EV

.4M-£,9,A2078-EV

C -

SYSCON

PCB

A2077A503A

J37

52007-0210

TM301

YKD31-0132

!SPEAKER!

SYSTEM SYSTEM

B A

I

e

r---

11

+ L

e I

R

~L

(±)

~

R

JA

~GND

SP

TERMINAL~

GND

PCB

~L

A2077A501

D

~R]e

I L

D E

0 0

I

~

+

~

l}j

Pie--·

B3B-EH-A

V-AMP

PCB

A2077A501

0

I

~

+

W28

~

P.R

,t

l'I N

.-

-----)™

...

- - -

P2B

B5B-EH-A

W31

F

W32

I

Il

www.audiodna.sk

F I G I H I

I I I I

-------------------

,,,,~~!!,

l--

GNO

1f--------"l''f·'

GND

INPUT

POS 2 I

';'

I

INPUT

POS

INPUT

SEL

3 1

'i' I

INPUT

SEL

-------------~

+12V

4

:!

:

+12V

GND

s

I~

1

GN

~-D~-=

INPUT

OP~

•

INPUT

UP

I

NPVT

bdwN

_1

1

~

1

INPUT

DC/M'I

,_,

-~-,:;'ll

-

~,

GND

2

------~I

2 I GND

REC

OUT

SW

PCB

A2077A502F

I

R·OUT@

1

~1'

R·

IN

L•OUT

l

I_,

I

L•

IN

,_,

REC

SELEC:~

:

~:

:

~:

;~~

SELECTOR

W15

WN15

_J

GND

,~•}.,;----',:{:r

~0

- -

INPUT

SW

PCB

A2077A502C

-------------------

~·

c---

------- -----------

SUBSONIC

R

;tl'~-----"I;!·~

SUBSONIC

IN

(R)

DIRECT

1~ I

I~

I

DIRECT(R)

R·OUT:(1

1,!)1

R•

IN

GNo 1

t.<

1

l~IGND

!i

►

.<

1

5

LIN

D

LIR,OUTECTl,

►

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I>-

I •

I'>- I 1

;_

I

DIRECT(L)

SUBSONIC

L

·,~,

,~,

SUBSONIC

IN

(L)

W17

WN17

,;:::"'----'<

1.f)' N

GND

i'>!.'i

I >- I G D

SOURCE

DIRECT

+12Vl~I

l~l+12V

+S.6V

1~ I

I~

I

+5.6V

SW

PCB

GND

j~

I 1

;,!.)

1 GND

GND 5 5 GND

,

,_.

I

I>.'

I

PROTECT

A2

07 7

AS

O

20

PROTECT

1;.

1

'>;'1'

I

I::

FULL

MUTE I

;!.

I I;,-. I

FULL

MUTE

0

Vl<'"bOwN'

I o I I

~

I VR DC/M'I

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________

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---------

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__________

VR7Jl'

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r•

oe

--

I.-

,----------------------1.

ME

PCB

~~

o---0

+S.6V

7A502G

o-o

GND

TONE

PCB

: I I

A2077A502E

o---0

L

(CENTER

TAP)

-

o---0

L

r.

1-

0-0

GND +

~

.J

o

o---0

R

(CENTER

TAP)

~

b

i;,

'f

~

O

~

O

i;,

...,L.L

W20

B

_.J_~_

..

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Jl

R

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1 > 0 >

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..

V-AMP

PCB

A2077A501A

:

I 3

+3

:Ji

P29

J

~~

,Jlm,_B_S_B-_E_'!_-_~

_______

_.

BSB-EH-A

W29

W31

W32

I-AMP

PCB

A2077A501B

W33

W34

~

~ ~

~~~

~c,~

+ I +

ft,f

~

f

s2011

-as,

a

s2011-031

a

POWER

SUPPLY

PCB

A2077A501C

P36

B6P

(1

0-2,

4,

7,

9)

-VH

>

"> ">

I

"'

I

+ 'i +

I I

I

BSB-EH-A

I

I I

I

.AM-69

ONLY

I

L

______

_j

I

--

_________

...

I I I I

1

THERMO

(L)

PCB

1 1

THERMO

(R)

PCB

1

K

_I

_A_2_0_7

7-~s_o_1_H

__

I

...

I

_A_2_0_7_7:_s_o_1_J

___

I

AM-59/59

CONNECTION

DIAGRAM

No.5-1

A207701M

A1

I I I I I

F I G I H I J K

/

1

--

2

--

3

--

4

--

5

--

6

--

7

--

8

www.audiodna.sk

PRINCIPAL PARTS LOCATION

TRANSISTORs ICs

TR301 ................ E,F2

IC301

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

E2

TR302 ................

E2

IC302 ................

E,F1

TR303 ................ E,F2

TR304 ................

E2

WIREs

TR305 ................ E,F2 W19 ..................

E3

TR306 ................

E2

W20 ..................

F3

TR307 ................ E,F2 WW16 .............. 01,2

TR308 ................

E2

WW17 ..............

B3

TR309 ................

02

TR310 ................

02

,,ww-wwrermc

e •

..,

i)

:

z::;

'

-··-··

3

G

'"

INPUT

SW

PCB

A2077A502C

!LOUDNESS!

TONE

PCB

A2077A502E

-t

0

<

0

r

C

ii:

,.,

,,

0

m

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A2077A502D

VOLUME

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A2077A502G

REC

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WARNING: ,1:>INDICATES SAFETY CRITICAL COMPONENTS

FOR

CONTINUED SAFETY,

REPLACE SAFETY CRITICAL COMPONENTS

ONLY

WITH MANUFACTURER'S

RECOMMENDED PARTS

AVERTISSEMENT:

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INDIQUE

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PAR

LE

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NOTE

PARTS

DIFFER

DEPENDING

ON

MODEL NUMBER.

REFER

TO SCHEMATIC DIAGRAMS

FOR

PERTINENT

PARTS

INFORMATION.

5

www.audiodna.sk

2

3

4

6

PRINCIPAL PARTS LOCATION

TRANSISTORs

TR1

.................... G1,2 TR153................

TR2 .................... G2 TR154................

TR51

.................. F1,2 TR155................

TR52 ..................

F2

TR156................

TR101 ................ C2,3 TR157................

TR102 ................ C2,3 TR158................

TR103 ................ C2,3

TR181

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

TR104 ................ C2,3 TR182................

TR105 ................ C2,3 TR183................

TR106 ................

C2

TR184................

TR107 ................ C2

TR108 ................ C2 ICs

TR151 ................ C3

IC1

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

TR152 ................

C3

IC101

················

G F

C3

C4

A1

F2

C3

INPUT

PCB

A2077A502A

CONNECTORS

J1

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

F,G1

J2 ...................... E,G3,4

J3 ...................... E,F1,2

J4

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

A1

JS

...................... E,F2,3

J6 ...................... E,F3,4

JS

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

81

P1

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

01

WIREs

W9 ....................

02

W10 ..................

03

WS0

.................. F1,2

E

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REC

SELECTOR

PCB

A2077A5028

CHASSIS G

B

WARNING

AVERTISS

NOTE:

www.audiodna.sk

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