Block Diagram - Aiwa AD-F550 Service Manual

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BLOCK DIAGRAM— 1
[A] MAIN C.B
R CH Baa
vrgo2
1
Z
REC_LEVEL
1
BIAS
OSC
a
ea
Q305
306
L
CRO2
M
ttt
-VvP
KEY Db IKEY O/©
KEY
DDOIKEY
O
LEB
PLAY
b>
PB EG
O70
208
1C401
HAI2142NT 8OLBY
R CH
AMP
ven
R.P HEAD
NJM2068L
1102
;
5
6B4066
if
La sg
C e e
CUE/REVIEW MUTE
y
Tee
7
10
u
©
PLAY/
od
oe
6
:
LINE OUT
@304 EXCH
3
VCC
9g
8
i?
AN
(K) 9501. 502
1¢702
SFRIO!
=
1C102
MUTE
DETECT
PB SENS]
4
th
NaN O2 er
COMPARATOR
ADJ.
5
NJM45S8L
VREF
9505
(5)
@)
3
MUTING DRIVE
REC EQ
REC/PB
V
1202
1C201
ae
4
:
GB4066
NJM4558L
[SENS A®J~
q
ah
ante
REC MUTE
:
zs
ve
S
("
2&1
<a
V
(")
BIAS TRAP
TC4069UBP
aN
Q712
MUSIC SENSOR
ae
e e
-
-
O-MRES
10202, Q201~ 206
feo eae
ai
FRONT C.B (2/3)
:
LH
J
a
cRO2
|
MT
i
«10802
eS
4
OO.
EMOTE
0824,
825
BIASREF
FRONT
||
SENSOR
{>
NJH32H380A
vOo
65
FL801
L301
HX PRO
0315, 316
SFR301
8306
C.B
(3/3);
|
Seer ay
Hx COIL
1301, 302
upatis
e
NJM2068S
REC/PB
y
acer
h
FREQ RESPONSE
BIAS
ADJ.
FINE
'
i
5
FLI. 2
'O-BIASBATA
vi
308
|
s
I-BIASOATA
=
¥
ae,
SWS SMT
|
=<
E HEAD
BIAS 0308
a
311, 312
.
on
Sw3
REA
4
313,
314
{ P
¥ }
}<
VCC_CONST
1
{SW2
StH
+4
;
ie
i
E, EE: AC230V
SOHZ
701, 703
VCC REG.
<veC>
0702, 707
<
>
v"
Q708
vVop REG.
<-VP>
HE: AC110-120V/
220-240V
50/60HZ
Q709. 710
RESET
Q713
-VP_REG.
FL2
Ful
S901
[AC VOLTAGE
110-120V<—=220-240V
CAPSTAN
{KEY 00 |
oo Net
LE®
REC
LE
PAUSE
00
MOTOR
BRIVE
Q803
A A
1
|
<<
soL2
<—I
SOLENOI®
=
500
'
FRP
S
DRIVE
Q802
S,
Saree a x5
|
SOLENOIO
PLAY
Q809
BRIVE
Q801
Q821~823
LED
1
ORIVER
BRIVER
=I
(E] DECK
;
—>
|
C.B
<vpa>
Z|
1
1
Bae
a
tee
a
i
a
i
a
6

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