Akai AM-59 Administrator Guide

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

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
11
11
11
11
I
AM-&9
ONLY
r
TR10&//107
:
I
I
I
I
I
I
I
I
I
I
TR1
oe.•
TR181
:
-184
I
I
JC101
LC7822N
I (REC
OVT
SELECTOR)
~ECTOR
PCB
I"'
IC2
PD0037
'
r
-,
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TUNER
CD SW201
(1/4)
PHONO
TAPE1
TAPE2
TAPE3
I
I
I
~
f-SW~~~~--~
WU
ow
~~
IC201
8A&109
VP
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jH
~b
.,,"'INPUT
SW
PCB
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1-.4_...:._
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- - -
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,
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,
IC3
I I
I 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
I
I
I
I
I
I
I
I
+fV
iRL
---------•---------------
L-0
+1 SV
+1
SV
-15V -15V
mo,-m
11/1
0301
REG
~"~"'
1\
1
1
D304
REG
+ssv
-ssv
TAPE2
1
~;N~E
____
CJ-0,:
!
[~~--i-r-i;-,
i
:
DIGITAL:
I :
~
~
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'!iM=-1.9-0NCv
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o o o
..,______
:~~~---
REC
OUT
SW
PCB
:
--------
I
I
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
----
{]~
I
POWER
~----------------------------------------------------------------------------------------------------------------------------
A B C D E F
www.audiodna.sk

F
TONE
PCB
(FULL
MUTE)
---....IJM:XJEJ
STEREO
t
M:>NO
-15V
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m,~,4/1
D304
REG
-ssv
"' "'
...J ...J ...J
~
~
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;;
(!l
;;
0 a 0
ICB01
LC66404A-4B67
I~
(SYSTEM
CONTROL
Ml
-COM)
p!GITAL1l
8
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________________________
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G
H
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IC1
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BAP-721
~
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5
Cl.
II
JVOLI..MEJ
VR501
TR501
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TR504
I
I
TR2-TR7
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I I
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TR
I I
-1
6VI
216,
217,
219
:
R\~i-------,.-~--J
I
+12V
I
+ssv
-ssv
I
I
~---------------
:
AM-69
ONLY
___
_
I
POWER
_s_uPPLv PCB
I
- J
J
TR102,
106
>Cl.>
0
,(
0
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•
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IC101
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OVER
LOAD
DC
ZERO LEVEL DET
AC
OFF DET
T1
(MAIN
TRANSFORMER)
K
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R-CH :
i_J
r - - -
-,
PHONES JACK
PCB
n
11
~EM
Ai
11
I
I
11
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
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INPUT
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INPUT:
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R·
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SW
PCB
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A2077A502C
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INPUT
POS
[
OUT
'(5' DAC •
POW
, 'r,' I
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7 7 REC
SELECTOR
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S2
2
I~
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INPUT
UP
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G1
GP1F3~il
DAC PCB
S1
3 1
>;'
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[Q]
A2078A501
0
32
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I T I
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ONLY
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(:-:-:-:-,W14
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1
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AC220V
S0Hz
fo
230V
! ------f3 I
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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
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----
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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
I
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11
+ L
e I
R
~L
(±)
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R
JA
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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
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+
W28
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P.R
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l'I N
.-
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...
- - -
P2B
B5B-EH-A
W31
F
W32
I
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
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.<
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l~IGND
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5
LIN
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SUBSONIC
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·,~,
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SUBSONIC
IN
(L)
W17
WN17
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1.f)' N
GND
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I >- I G D
SOURCE
DIRECT
+12Vl~I
l~l+12V
+S.6V
1~ I
I~
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+5.6V
SW
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GND
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1 GND
GND 5 5 GND
,
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PROTECT
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FULL
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I.-
,----------------------1.
ME
PCB
~~
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7A502G
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GND
TONE
PCB
: I I
A2077A502E
o---0
L
(CENTER
TAP)
-
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L
r.
1-
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~
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(CENTER
TAP)
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_______
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BSB-EH-A
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W31
W32
I-AMP
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W33
W34
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s2011
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a
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a
POWER
SUPPLY
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______
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1
THERMO
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1 1
THERMO
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7-~s_o_1_H
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...
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
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5
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2
3
4
6
PRINCIPAL PARTS LOCATION
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TR52 ..................
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TR105 ................ C2,3 TR183................
TR106 ................
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SCHEMATIC
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DIAGRAM
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3
4
5
6
7
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B2
W27 ..................
B2
W29 ..................
E1
W31
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A1
W32 ..................
A1
W33 ..................
E1
W34 ..................
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W37 ..................
A2
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TR3 ....................
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TR60
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UNLESS OTHERWISE
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ALL
RESISTORS IN
OHMS
1
✓
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ALL
CAPACITORS IN ~F
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SOW\/
ALL
ELECTROLYTIC CAPACITORS IN ~F/WV(M)
AS-1
D201~204
D205~208
D209,
21
0
D214--217
D701~704
EG01
HZ27-3L
1SR35-100A
1SR35-100A
IN4002
AM-59/59
POWER
SUPPLY
SCHEMATIC
DIAGRAM
No.5-4
A207704M
A2
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1
2
3
4
5
6
7
8
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SUB TRANS
PCB
A2077A502J
PRINCIPAL PARTS LOCATION
TRANSISTORs
TR201
................
B1
TR219................
B2
TR202 ................
B1
TR220................
C2
TR203 ................
B1
TR204 ................
B1
FUSE RESISTORS
TR205 ................
C1
FR221
................
B2
TR206 ................
C1
FR222................
B2
TR207 ................
C2
TR211
................
C1
CONNECTORs
TR212 ................
C1
J20 ....................
C2
TR213 ................
B1
J21
....................
C2
TR214 ................
B2
P2
......................
C2
TR215 ................
B2
P36 .................... A1,2
TR216 ................
B2
TR217 ................
B2
WIRE
TR218 ................
B2
WB
.....................
C2
WARNING: -1::.INDICATES SAFETY CRITICAL COMPONENTS
FOR
CONTINUED
SAFETY,
REPLACE SAFETY CRITICAL COMPONENTS ONLY
WITH
MANUFACTURER'S
RECOMMENDED PARTS
AVERTISSEMENT:
.1':i.lL
INDIQUE LES CQMPOSflNTS C,RITIQUES DE SECURITE.
POUR
MAINTENIR
LE
DEGRE DE SECURITE DE L•APPAREIL,
NE REMPLACER QUE DES PIECES RECOMMANDEES PAR
LE
FABRICANT
NOTE PARTS DIFFER DEPENDING
ON
MODEL NUMBER.
REFER TO SCHEMATIC DIAGRAMS FOR PERTINENT
PARTS INFORMATION.
PRIMARY
PCB
J601
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A2077A502H
11
www.audiodna.sk
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