SECTION 1
SEFIVICE
I.
TECHNICAL DATA
II.
DISMANTLING OF UNIT
ÍII.
CONTROLS
IV.
PRINCIPAL PÁRTS IOCATIONS
V. VÀRACTOR TUNER
VARACTOR TUNER
l.
PRESET
2.
VI.
TUNER ADJUSTMENT
I. FM
2. LW SECTION ADJUSTMENT
3. MW SECTION
VII. MAIN AMP ADJUSTMENT
VIII. TUNING
IX. CLASSIFICATION
I. RELATION OF P,C BOARD
2. COMPOSITION
TUNING SYSTEM
SECTION ADJUSTMENT . . . .,........I0
CORD THREADING
.... .. ........ 2,
.. ., ,..... 4
AND PRESET TUNING
. .
ADJUSTMENT . . . ..........I3
,... . , . , . , , . , . . . . . . . 14
VARÍOUS
OF
VARIOUS
OF
MANUAL
TABLE OF
.
. . . . .
. . , . ,.-.,..,.,.-,9
. . ,.,.,,..,12
.. . , . , . , . . . . . . . . . . I5
P.C BOARD . . . .
TITLE AND
P.CBOARD ...... _........ _17
CONTENTS
............... 5
SYSTEM....
. . . . .......16
IDENT]FICATION
NUMBER . . . , , . , . , . , , , , . , . I ó
............,.,.
.............ó
............I0
.......... 5
6
FoÍ baÍc
ADJUSTMENTS.
adjusimênrs, ne.suring nerhoG,
6d
operari.g
prin.iptes,
reter to CENEÍ|ÀL OPERÁTING PRINCIPLES AND
I. TECHNICAL
DATA
PoWER AMPLIFIER
CONTINUOUS
POWER OUTPUT
SECTION
2{HÁNNELS DRIVEN
POWER BANDWIDTH
SIGNAL
RESIDUÀLNOISE
CHÀNNEL SEPÀRATION íHF)
DAMPINC FACTOR
TO NOISE RATIO
OHF)
OHF)
ottrPuT
PRE ÁMPLIFIER SECTION
INPUT SENSIÏVITY/IMPEDANCE
TAPE MONITOR
OTITPUT I'EVEL/IMPEDANCE
FREQT'ENCY
TONE CONTROL
LOT'DNESS CINTROL
RESPONSE
TUNER/AUX/'TAPE
PIIONO
PHONO
AUX
PHONO Betler
SPEAKERS
HEADPHONE
PHONO
AUX
TAPE REC
(RIAA)
MONITOR
BASS
TREBLE
14 Watts
more
l5 Hz to40
Les rhán 0.8
More than
A,
PIN: 150 nV/100
DIN:
per
chdnel, nininun RMS, at 8 ohms
thm
rhan50 dB at 1,000 Hz
(4
B
l0 nv/180
lotal tamonic distoilio..
0-8%
tHzl8 ohns. dislortion withiÍ 0.8%
nV
al
(l
30
kHz.8 ohmt
16 ohmt/Á+B
to
k ohms
8 onns
(8
k óhns
PIN:150óV/l00kohns
mv/r00 k ohms
150
DIN:
Hz lo
30
l0 Hz lo ?0 kHz
+10
dB at 100 Hz,
(Volume
ll
kgz
15
+0
dB
dB, 2
+5
conbol setal
dB
at
-30d8
ro 16 ohm9
dB
10 kHz
position)
from 40 to 20,000 Hzwilh
no
FM TUNER SECTTON
FREQUENCY
SENSITIVITY
CAPTURE
SELECTIVITY
IMÀGE
IF RE.'ECTION
SPURIOUS REJECTION
AM STJPPRESSION
SIGNAL
HÁRMONIC
TT'NING
STEREO
SUBCARRIER
ANTENNA INPUT
RANCE
OHF)
RATIO
(IHF)
REJECTION
TO NOISE RATIO
DISTORTION
INDICATOR
SEPARATION
SUPPRESSION
IMPEDANCE
MONO
STEREO
MHz ro
88
108
MHz
1.5 dB
(98
More rhan 5t
More than 70
Móre than ?0 dB
dB
50
dB
dB
(98
(98
60dB
Le$ thàn 0,3% i 100%
Les ihan 0,6%
(1009',
C€nter Turiq meter
More than 40 dB
300 ohns
(l
balanced, ?5 ohms unbabnced
MHz)
MÈz)
MHz)
nodtlation)
modulÁ1ion)
a F
tHz)
AM TUNER
FREQUENCY RANGE
SENSITIVITY
SELECTIVITY
IMAGE REJECTION
IF REJECTION
SECTION
(IHF)
OHF)
520 kHz
150 kHz
200
300
MW: More
LW: More
More than
More tho
10 1,605 kgz
to 350 kHz'
(tEr
Àrv/n
(bar
lrv/h
than 30 dB
than 30 tlB
55 dB
35 dB
anl€nna) 20liv
antenna)
(l
MHz)
(240
30llv
ktlz)
(ext.
{ext.
antêntu)
antÈnM)
SICNAL TO NOISE RATIO
SEMI{ONDUCTORS
POWER
DIMENSIONS
WETGHT
'
REQUIRDMENTS
Forimprovem€nl purposes,
MW:
Lwr
TÍaÍníors:
CSÁ, ULa.d
CEE nodeh: 220V, 50 Hz
Olher nodels: 110/220l240V,
440(w) x
ke
6.2
specilications and d€sisn are
Moie than 45 dB,
More thd 50dB
27, Diodes: 25, FET!:
LA hodelsr l20V,60Hz
50/60 Hz swilchable
l2s(H) x 26s(D)nm
(l
I T lbt
snbj.ct tóchanse{nhost nolic€,
(17.3
2,
x 4.9 x
r0.4")
DISMANTLING OF
UNIT
In case of
disassemble
lrouble, e1c. necessilaring disassembly.
in the order show.
in pholos.aphs. Reassemble
scREws
pleáse
scREws
|
a
-: .
..
======
=ilÊEEë l
iË.-iÊE=E
"t
.-.-.al
al
III.
CONTROLS
-n
r=
VOLI]ME
FIl
Fis. 1 Controls
IV. PRINCIPAL
nn
6U
PARTS
[.lr "t4
.-l
LOCATION
r--Eï
f.
lÊ.' I
l9g!)
**.""
E
Fig.2
Top View
Fig.6 Block Dias.am
t:
L
t--
3) Acrual
Operation
Fig. 5 is a cÍcuit diagram of the high
amplifier stase only
used. Condenser
the diagram are equivalent to the variable
denser of
understood
in a 4 to 16 PF ranSe
voltage.
combined caFcitance forÍns the Íesonance
with coil LA. Consequently, it is satisfactory
if
low.esonance
at
to the varactoÍ diode d€clines,
sonanc€ frequency, the voltage
varactor
method with variabl€ resistor, êtc.,
the
in
ordinary
an
from Fig. 3, Dl varies the capacitance
This capacitance and condenser
diod€ increas€s.
sam€ way as a regulaÍ variable
of a circuit which is actually
Cl and varactor diode Dl in
FM fÍont end. As can be
by means oí inverse bias
íÍ€quency, the voltage
This
fr€qu€ncy
supplied
and at hid resupplied to th€
voltage
variation
op€rates
cordenser.
con,
Cl
circuit
II
V
This
method uses a local
frequency mixer
to the varactor diode
called a
varactor
tic diagran
circuit, and
tuneÍ. Pleas€ r€fer
actuai
foi
V,R PC
EOARD
aÁ-5t57
IC FC EOARD
AÁ-5r56
TOUC|I
SW|ÍCH
PC BOARo ÁA-5r58
oscillator circuit
bias voltage is
for starioo
selection and is
to the scheÍ,a-
circuit drawing.
FiE.7
and
applied
\/. \'ARACTOR
TUNER
AND PRESET TUNING SYSTEM
I. VARACTOR
varactor tuner is th€ luner system
A
junction
diode
inverse bias value applied to the
selection.
TUNER
in
capacitance is varied by means of the
diode for station
By employing a varactor
which
diode.
varáctor
tuning
which is same a! ordinary vaÍiable condenseÍ s),stem
cán bê mad€
changing control
Features
l)
When used in an FM tuner, th€
a)
be
without using a variable condenser by
voltage only.
end can
front
made small€r than \{hen compaÍed with a
variable condenser.
b) Station
selector butaon
positioning
is not
limited.
ï
f,
g
c) Slation sel€ction by remote control is possible.
d) Ideal voltage can be set for a certain reception
frequency beforehand, and preset
efect€d by successively
b€
e) If control voltsg€ sweep is at ideal speed,
automatic tuning (seàÍch tuning) is
Pow€r consumption
0
variable condenseÍ system.
Fig. 4
Tuning circuit employing a vaÍactor diode
is about
tuning can
switching
posible-
the
same
the
as
a
q
+
INVERSE VOLTÀCE
Fig. 3
Fig. 5 Example ofHigh Frequency
Amplifier Stage
VaÍactor
2)
As foÍ varactor
in Frg. 3, cápacitance c
inverse voltage
is used
Cmai, Cmin
values of varactor
is the
capacitance.
frequency
and
Diode
Characteristics
VR. Further,
jn
a tuning circuit,
+
Cmax
Cmin
+
CD
CD
arc th€
sum of stray
K is over
range is 88
4(b) show the
diode characteristics,
r(
changed by chm8e
ifthis varactor
the
following conditions
maximum and
diode
capacitánce
capacitance
l_5
b€cause FM broadcast
to t08
actual usage
method.
Cncuit
as
shown
in
diode
minimum
change.
CD
and trinmer
MHa Fig.s 4(a)
I
iti!È!
ruMre
\.
lcr
TERMTNAL@@@@
lJPclo09c
'iil
tti i
tI
tri
TO VÀRIABLE CAPACITOR
Fig.
Fig. 8
9
2. PRESET
l) Preset
For preset
and an eleclrical
equipme.t
desÍed station
thes€ pre-set
respective
An ordinary
station selection
variation
posilioning
Model
selection
explained in a previous
TUNING
Station
switches.
is by
AA,1010L utilizes
system and
SYSTEM
Selecrion
íatio.
ofa
selection,
merhod.
and seiection
s€lection
srations
car redio,
mea.s
dust corc inside
beforehand
by simply
etc. utilizes
system
of
employs
item.
there is a
These
equipment
d€pressing
wherein
a variable
a coil.
an
electrical srálion
varacror
the
mechanical
are memory
enabling
and selecting
the
a mechanical
mechanical
condenser or
tuner
2) An example
ing a varactor
selection, push
of voltage supply
in
the
switches
3)
Sensi-touch
System Operation
The
circult shown
genêratinS
Fig. 8
FPCI009C
Terminals 14 thÍou8h 17
.erminals
selection output
@ , @
When
voltage
through
Then,
selector output
shown
ai
enlly, because
runer
Rb and Rc, station selection
m€ans
accoÍdrng
of a stllion
tuner is
switches
to
AA.10I0L, these station selection push
puÍe
are
Employed
pres€l
volume
sho'rrs the inside
which
@, @,
terminals; and
and O are rhe pilot
,
channêl I sensor
is snpplied to
fmger (body)
the impedance
terminal @ and
the
by
diode is changed
of setting the
arrow marks in Fig.
the supply voltage
to the deriÍed broadcarl
selection
shown in Fig.
are used for
the varactor
electronic system sensi.touch
Preset Station
Fig.
in
7 is th€
and sensi-touch
of circuit sensi-touch
include the 4 channel
are the input teminals;
@,-a
electrode is louched,
the IC as rhe input signal
resistance at t€rminal
is lowered
by the dividing ratio
pr€set
volumes
system employ"
6. For skrion
s€lecuon
tun€r. However,
Selection
conlrol voltage
circuir.
IC
circuitry.
arêthestation
@
terminals
outpul terminals.
at IC station
current flows
10 the varactor
is
O ,
@
9. Consequof
possible
beforehand
tÍequen.res.
by
.
t
VI-
TUNER ADJUSTMENT
IIIJLTI FUNCTIOI{ PC BOARD AA-5I59À
"@
ËE
@aD
@.
FM IUNING METER ÀOJ
FM OISTORTION
i"t
@
@
ÁDJ
(LO*ER
(I]PPEN
CONEI
CORE)
o
@.
o.
aà.
o;
K-l
t:J
rkHÍr I E
rca
@.
p"@.@
@
@ @*@oo
aË
1. FM SECTION ADJUSTMENT
"op
@"TP
ro rà aà(à
@o@
àE
È 5 .À,.À.n
(RefeÍ
to Fig.
i:ió'"
(s)
l0)
FREOUENCY ÀOJ
Á0
7{A^
\<9r
Fic.
.o
€Íol
tr
H:
ó",,1"R?".1-,
l0 Multi Function P.C Board AÀ-51594
t0
IF
Coil
2
3
IF Cóil
Tune oÍly noise withour
inlerfereÍce of hroadcasls.
108 MHz,ó0 dB
Lers than 0.3% distoition
(mono)
input,
I f Tunins M€ler iÍdicalion
is nol al
rep€tl íeps 2
108 MHz,60 dB(moÍo) input.
EÍor: within
108 MHz, L6s than l2 dB
@ler
posilion,
a.d 3
!250
above.
kgz.
l0
ll
t2
vR3,5 tB
8
9
kB
vRl,I
88 MHz,
Eror:
88 Mttz, Les ihan 12dB
98 MHz. Less than 12 dB
EÍor: Within
Connect Frequency Counter
dB
ó0
WÍhin
(nono)
1250
1250
inpul.
kHz.
kHz.
19.00 kHz
vR2, I
kB
40 dB
98 MHz.60 dB
When ihe Í€r€o i.dicator
ràils
to light, this mans
broadcast n nol beins
98 MHz,60 dB
channel
inpul. Distortion
Faclor
ruí be less than
0.6%.
Gt€reó)
Íeceiv€d
G1€r€o)
input.
thal
l€ft
tl
NOTE
NOTE
NOTE
I.
ln the event that
Condensers
TCR.nd TCA to obtain a
distortion factor at all
PLL IC Free Running
2.
3.
Ifthe distortion factor
the distortion facrors in
miniÍnum average dislortion
thÍee
Doints).
Frequenry Ínust be an exact
is not less than
0.ó%, tuÍn IF Coil in
40 dB
Steps 8 and 9 are not tess
19.00 kHz.
Step I wjthin 1/2 turn rnd adjusr.
98 MHz,60
Distortion
dB
factor
than 3%, re-adjust FroÍt
factor at 88,98, and
108 MHz
Glereo)
musl
be
Chart I
End TrimÍn€.
(san€
VII-
MAIN AMP
ADJUSTMENT
-CF+
o
.@
:C.o3 @
.(a
mQ
€
7
Á@
"ll
.@
pp
"@
?l I
*
/z=\
((
","
v
n.=
=*H@
))
i-*i i-*i
'ÍxI'
_
P{JSH swrrcH Pr soaRD aÀ-5l55
'[[r
En!
@. Ul
m
Fig. 12 Main
ldling Cuíent
l Remove
2A
2. At
VR4 3008
channel) to
Power Fuses
Gight
non.signal input,
Anp P.C BoaÍd AA'5106
(RefeÍ
Adjultment
F2 2A
channel) and
adj$t
channel) aíd
o€ft
obtain a 20 mA idling
to Fig. l2)
(left
connect an aÍuneter
Senifixed
channel)
Resiston
VR4b 3008
cuÍÍent.
and F3
to
(Íieht
VIII.
TUNING
GORD
THRTADING
!Es
XE;
:EE
F
€
ë
t
g
z
15
I
IX. CLASSIFICATION
RELATION
I.
P.C
OF
Touch Switch
BOARD TITLE AND
P.C
Board Number
MFC P.C Board À4.5159À
IC P.C
P.C
Board AA-5106
P.C
Board AA-5157
Board
Main Amp
Volume P.C
Push Switch P.C BoaÍd AA-5155
LED P.C Board AA-5159C
OF
VARIOUS P.C BOARD
IDENTIFICATION NUMBER
ofP.C
Board AA 5158
AÁ.5156
Board
Chart 4
2. COMPOSITION
I) MFC
P.C BOARD
AA.5I59A
VARIOUS
OF
JUMPER
&
BOARD
P.C
P.C BOARD
AA.5'59B
!Á so&O
-l
ct
i
+e*.sïi6i:ï
5É?(9-
M
."
.'"
1.1o.)
r
-r,_-
j!
^
t-
t
*!_1o-
^"
É
-
rtr"-.r-,,oï
I
Ln-
6).
ÀÁ - 5,6r
G).
:
or
4,
@
@
Fnn
2) ItÀrN
AMPP.C EOARD
AAslOó
I
I
3i TOUCH SWITCH
P,C BOARD
AA.5I58
@09e@9
,1)
VOLUME P.C
BOARD
AA-5t57
os@
an-s
METER{+)
@
@
l^^.,,"
@
l
o
@
I
@
na
ESET
srss
ÍUN ING
@
5) IC P.C BOARD
AA.5156
aa-5158
o@@@
;
ÁEfrqB
@áÍáá
ÁÀ-5158
o@@e@@
qqqq'rq
l9
PUSH SWITCH P,C BOARD
ó)
AA-5I55 & LED
9P
Áa-to6Á
I
d
P,C BOARD AA-5T59C
t-, t-f t7
Ë
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t€"
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TO USE THIS
HOW
PARTS
LIST
parts
This
Wh€n ord€riog
2.
How
3.
lÈt is compiled by
paÍs,
read list.
to
please
The Íef€r€nce numbeÍ corresponds
paÍts
list.
This numbeÍ coÍÍesponds
This numb€r corÍesponds
in ttut figure.
FLFvI|EEL BLocK
sx
r2-l I
12 lló 244so6
l2-r
r2-l r9 2s3030 M.in M.t.l
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244754 F.h, Flywhe.l
r?x
4. The synbol
ofcompon€nts
5.
Please utilize
The shape ofthe
6.
shown on the Electrical
7.
Both
the kind of
determine wh€re a
Flyvneel Blo.k asy.conp.
Flywheel Only
Mlin M.r,l C$e
numb€rs
sepaíàte
cfthe
parts
shown
Sch€matic
"Common
paÍts
and
Parts
part
and installation
parts
numbeÍ is
It is necessary first of all to find th€
Reference Number listed at right of
outlined in Item 3 above).
8.
Utilize separate
finding
parts
"Price
List fo. PaÍs" to det€rmine unit
Price is to utilte the ref€r€nce number.
various indMdual blocks based
describe
paÍts number,
serial
with illustration
on assembly
numb€I, and model
photo number of thal
oÍ
wilh .he Figul€ Number.
with the individual
A small
in tl€ Photo or
"x"
indicates
the inability to show that
lllustration.
Schematic Diagram
(not
requn€d foÍ
-Quantity
I
t
#ll
RDorr3
on the P-C. Board list
Diagram or Service Manual.
for
List
Senice
name, etc. can be confirmed by compa.ing
Table ofP.C. Board.
position
can be determined by the
listed, utilize Pans Index
PaÍts
Number. This can be accomplished by using the
parts
number in the
be matched w h the
can
Parts" for Resistor
end of Pans List.
at
Parts
price-
process
nunber in delail.
paíicular
parts
index numbeÍ
particulaÍ
paí
NumbeÍ of individual
parts
ordet
paniculár part
of
parts
orders.
them ivith
Parts Number.
(meani.g
Index.
requjred.
Conposite
the
of ref. no.
Views
paÍs
To
The mosl simple method of
CAUTIONT l.
placing
When
an order for
descÍiption. There aÍe instances in
paÍts cannot be shipped or the
2.
Please be cáreful
eÍror, a
part
nol to
make
different trom
paÍs,
be su.e to
which
wÍong parts will
a mistak€ in the
the
one ordered may
list the
ifany
paÍs
no. model no., and
ofthis informaiion is omitted,
delivered.
be
pads
no. Ifthe
be delivered.
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OF FINAL
ASSEMBLY
BLOCK
I
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9. FINAL
9 r BD235O?3
9 2
9 3
9 4
9 s
9.1 SE63lS35
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FRONTPANEL ELOC(
2W526577 Collar
SP6457ls Frof,r Ptrie
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34
when ord.ring
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INDEX
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Rer
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FRss27r2
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&
Pdís No.
Ref No.
mb4t Nn
sr
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P"*N.
5;lilïft
36
SECTION 3
SCHEMAÏIG
AA,IOlOL
l
AA.'OIOL
2.
AA,IOIOL
3.
AA-IOIOL VARACTOR TUNER
CONNECTION DIAGRAM
MFC SCHDMAïTC
MAIN AMP.
DIAGIFIAM
DIAGRAM
SCHEMATIC DIAGRAM
SCHEMATIC
DIAGRAM
rr
TP
t--
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