Pioneer A-705R Servis Kılavuzu - Sayfa 14
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A-604R, A-604R-G
3.2 INPUT AND REC OUT ASSEMBLIES
NOTE FOR SCHEMATIC DIAGRAMS
(Type 1A)
Q@701-Q@704°FLAT
AMP
&
rk
(3 Zz
INPUT
assy
1. When ordering service parts, be sure to refer to
(AWZ 7806
)
"PARTS
LIST
of EXPLODED
VIEWS"
or
"PCB
PARTS LIST".
A
2. Since these are basic circuits, some
parts of them
or the
values of some
components
may be changed for improve-
=
ment.
,
™
-
3. RESISTORS
'
oO
Unit' k-kQ, MM,
or 82 unless otherwise noted.
L104
nese
a
Rated
power:
1/4W,
1/6W,
1/8W,
1/10W
unless
otherwise
ATHI010
(1/401
+
¢t
noted.
A te
aad
OB
Tolerance: (F): +1%, (G): £2%, (K}: +10%, (M): +20% or +5% un-
z
less otherwise noted
_Fi04
ctor
e
4. CAPACITORS:
TP ecm
nig
oot
ts
Unit
p.pF or pF untess otherwise noted.
Vi7aw)
Biot
=
Ratings: capacitor (uF)/ voltage (V) unless otherwise noted
-C/M
deal
a
Rated voltage: 50V except for electrolytic capacitors
—
Purot
y5i|
BS?
0
9
5. COILS:
p-
=N
173)
>
.
:
Sheu
oo
aSG1053
3
Unit
m:mH or pH unless otherwise noted
ipgé—o Sd
=>
eat
6. VOLTAGE AND CURRENT:
E
—
AKC-OS1
|
¥]_: Signal voltage at rated output
9
\
lore
Vv:
rNi3
DC voltage {V) at no input signal unless otherwise noted
Bae
teas
aie
aac
valde
Value in{
—) is DC voltage at rated power
C102
sae
5 ik
620k
1 OK
47. 0k
Ere Tne apenas
aT iay
A
Or * Ink
1
2. 7k
0.01
Uisaal
Cizawl tivaw)
(i/awl
ASO101 70°
Puowo mute
| ct
OC current at no input signal unless otherwise noted
Eg
4
Free
2
g cE
5
Pyowo vocal
|?
2
OTHERS.
oF .
p
0G
oo
*@ or @.
Adjusting pont
au
Bae.
( en
Bilge
On
PHONO
wl
.
Measurement point.
(/aw)
(1/aw)
te
} if
co
9 Pa
© The A mark found on some component parts indicates the im-
631
1c108t1/2)
a
TUNER
an
portance of the safety factor of the parts. Therefore, when re-
B
a
10
'ye
1089
LINE
a t
placing, be sure to use parts of identical designation
0138
¢ °
Meta
o_8,
SCH—[) ON THE SCHEMATIC DIAGRAM:
A160
Fa
ae
@ SCH-[] indicates the drawing number of the schematic dia-
11203
Shei
oS, 58 aa ud
rj].
|
Ry
gram. (SCH stands for schematic diagram )
.
.
1?
9. SWITCHES
(Underline indicates switch position}:
©
bot
aie
TONE ASSY
KPEIS
:
ON/OF.
REC OUT assy
1104. 101-0106:
sabe)
S602: SUBSONIC ONOFF
( AWZ7842
)
PHONO
EQ
AMP
eav
i
er Se
5 oy
S603 : DIRECT ON/OFF
a,
ee
S604 : POWER STANDBY/ON SW
cute
ih
Rae
a
$605 : MUTING ON/OFF
KPEIS
12
1
3
ans
o e
:
— | Pees
cor ue
va Lee
os
Lp eg
ee]
AD INA
am
S607 : SPEAKER A ON/OFF
—
fofs
I,
OS
ae
(a
ee)
sy
dg.
oT
$608 : LOUDNESS ON/OFF
an
ol
YON
ee
tm
|
Es
ax
/OFF
opfrece A |
A) OUI 1
oO
$609 : SPEAKER
B ON/OFF
Tos
ee =
Py
4
pagers
wi
Hee
4I
ap OUT R
of
INPUT ASSY
ome
PT
rob
sa Sreno won
oprecs aL
=
Law
0
$701 : INPUT SELECTOR
Tofs
ST
wa
'
:
o
0
a
ae
{LINE/PHONO/TUNER/CD/TAPE1 /DAT/TAPE2)
TT po rt Te
HIN
ene
ro}
CT
|"
$702 : REC SELECTOR
[Io yao our al,
's
a
({TUNER/CD/OF F/SOURCE/TAPE 1» 2/TAPE2p 1)
an
0}
an
Lo}
Lo
Lo}
Lo}
Lo}
(7
(°)
>
i=)
anne?
|
2a
r
D
nolpa
NIRS
SS
S aps
S|
RE}
le
ee
=
$70114/4)
4
AS01017
|"
A723
100
(1/a0)
wth
a
C729
C731
#27
ia
Ab
'
|
10/50
10/50
C715
R721
47P/500
100 OK
Ti/aw)
Aza
Ey
22 11/40)
A734
we
4. Tk
Ae
22 (47
47 0k
sian!
1i/aw)
\4/aw)
—
s7oil2/al
}
c724
aspio17 _}
A732
+ 330/25
yf)
wo
u
4
§702(2/31
A722
ww
{F17aw Ng 070
ARNO
400 OK
cnee
ox
194°
(i7aw)
47P7500
LS 35
pa.
11/40)
4
WA
'
C730.
c732.—=«CO#A2a
702
10750
10/50
100
esagie
ifaw)
7
R728.
ei
47/25
aS
i/4an
ANG
me
(1/40)
AUDTO
SIGNAL
ROUTE
C> Len SIGNAL
Any
diode
without
part
number
indicates
HSS104-O02.
INPUT ASSY,
INPUT ASSY,
SC H-2
REC OUT ASSY
REC OUT ASSY
SC H-2
11
a
ss
a]
N
ame
Ww
—
Kh
—
ol
==
o