Pioneer VSX-305 Servis Kılavuzu - Sayfa 8
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VSX-405, VSX-305
4.
SCHEMATIC AND PCB CONNECTION DIAGRAMS
4.1
OVERALL SCHEMATIC DIAGRAM
ST. IND. ASSY
AWZ8065
SP SW AND H.P ASSY
| 832
\ ares
Kaera aids
(SCH-5)
Nin
oi
N
are
VOL. ASSY
4P 150
E
AWZ8078
FL AND UCOM ASSY
(—>SCH-8)
AWZ8060
(—SCH-4)
|
REG
ASSY
AWZ8067
ersonte)
9g
J6
E
car)
AMP ASSY
a
Ya
AWZ8074 (VSX-405)
S
952 |
TRANS ASSY
tv
Kaxt1 926) Kaxt1023)
AWZ8075 (VSX-305)
x
mes
a
aKT1079 |AWZ8072
|
Lal
Lal
ina)
bod
607
(=> SCH-7)
°
2
a
(> SCH-5)
1
[e)
1 ]
|
acta
7P_ 200)
|
AKT 1083
VSX—405/KU
ATS7108
VSX-405/KC
ATS7109
22
N
s | 9
Pa
VSX-305/KU
ATS7112
nal
lon
VSX-305/KC
ATS7113
a |
|
=
Qy
oO
ive)
WW}
N414
N43
N410
426
i= s=
aa
Pe iMaLy
ASSY
oO
6
fin fe
=
x
ao
a
x
tlis
4 Z|
MOTHER ASSY (1/3)(2/3(3/3)
/
\
"| /8
in :
AWZ8053 (VSX-405)
{
}
a
AWZ8056 (VSX-305)
=e
\
5
H
(> SCH-2,3,6)
at
See
qq
=
eo
:
RN
"0
=
i
\
i)
\
iy
E —
Soeur
a}is
.
404
KN4O1
KNab2
nu
a
AKT1076
roy]
nia
J21
J22
Ss
ba
L
N
oO
be
See
es
o8
xs
2 ye
a ee
zest
>
=
[Akt 076
VIDEO ASSY
Seat
F
A
P. ASSYF———-= ———
AWZ8066
FRONT S
[ AKT! 281 |
AC POWER CORD
(ScH5)
pin
AC120V/60Hz
11
OVERALL SCHEMATIC DIAGRAM
1.
When
ordering service parts, be sure to refer to
"PARTS
LIST
of EXPLODED
VIEWS"
or
"PCB
PARTS
LIST".
. Since these
are basic circuits, some
parts of them
or the
values of some
components
may be changed
for improve-
ment.
. RESISTORS.
Unit: k:kQ, M.MQ, or Q unless otherwise noted.
Rated
power:
1/4W,
1/6W,
1/8W,
1/10W
unless
otherwise
noted.
Tolerance: (F)' +1%, (G): +2%, (K): +10%, {M): +20% or +5% un-
less otherwise noted
. CAPACITORS:
Unit. p.pF or pF unless otherwise noted
Ratings: capacitor (uF)/ voltage (V) unless otherwise noted.
Rated voltage
50V except for electrolytic capacitors.
. COFLS:
Unit: m'mH or pH unless otherwise noted
VOLTAGE AND CURRENT:
(_V)
: Signal voltage at rated output
Y
or+
V:
DC voltage (V) at no input signal unless otherwise noted.
Value in(
) 1s DC voltage at rated power.
©
mA
or ~~ mA:
DC current at no input signal unless otherwise noted
OTHERS:
© @ or @:
Adjusting pont.
°
3
: Measurement
point.
© The A mark found on some component parts indicates the 1m-
portance of the safety factor of the parts. Therefore, when re-
placing, be sure to use parts of identical designation.
. SCH-C) ON THE SCHEMATIC DIAGRAM.
© SCH—O
indicates the drawing number of the schematic dia-
gram. (SCH stands for schematic diagram.)
. SWITCHES
(Underline indicates switch position):
ST IND. ASSY
$876 - POWER STANDBY/ON
$877 : SFC MODE
$878
DOLBY PRO LOGIC
FL AND UCOM ASSY
$825 . STATION +
$826 : STATION -
$827 : CLASS
$829 - MPX MODE
S830 : TUNING +
$831
: TUNING —
$832 . FM/AM
$835 - TAPE 2 MONITOR
S836
VCR/TAPE 1
$837
. SUPER BASS
S839
MEMORY
$840 . CD
S841
- LD/DVD
$842 . TUNER
$843 : PHONO
SP SW AND HP. ASSY
S701
. SPEAKER A OFF/ON
$702 : SPEAKER B OFF/ON
OVERALL SCHEMATIC DIAGRAM