Pioneer SX-34B Service manual

't
q
oPIONEEFI
0IRCUIT DIAGRAMS VOL. 2
o
o

tu-
t
t
t
t-
CONTENTS
$ t srEREo REcEtvERs
SX - 34B, SX - 348r . .. .. .3
LX-348 .....4
SX-34Bs .....6
sx - 410. .. . . .... .8
LX - 420A . .. .. 10
sx-800,sx-2000 .....12
sx - 600T. ......14
sx - 1000TA .....17
sx - 300T .......21
LX - 300T. ......28
SX - 700T,SX -700TlF ...32
LX - 800T. ... ..37
SX- 1000TD/r,SX- 1000TW/ew ..... 41
SX-1500T/r,SX-1b00T. .....42
SX - 440/r .... ..47
9I-119/t"w,SX -44O1<c ...b0,51
LX-44Okw ......'54
KX-440/rw .......87
KX-510 ... .....60
sx - 510T... .. ... 66
SX-770/rvw.... .......69
SX -990/evw.... .......72
SX-1500TD/rw .......78
H-601O
T - 500/F
T - 600/F
$ g sreneo rApE DEcKs &
STEREO CARTRIGE TAPE PLAYERS
H-60@
$ + sreneo sysrEMs (coMpAcr &
C - 5600/r
C-5600/rsA...
$ s ornen AUDto EeutpMENT
rs-31
rs-80
rs-70
sR - 202.
110
111
112
112
114
117
120
123
126
129
134
138
$ z srEREo AMpLtFtERs & srEREo
TUNERS
sA-400. .......85
SA-810/e,SA-810. ..... g6
94 999lr,SA-500/rc.... 87,88
!4 2991' , sA - 700/r . .. . e0;e1
SA-900/r,SA-900/Kc.... 94;95
SC-100 (StereoPreamptifier) ...... gg
SM - 100 (stereo Power Amptifier) gg
141
144
145
146
100
ff !OO{r , TX - 500/rc. 101,102
TX - 900/r , TX - 900/rc 104;10b

SECTION 1
STEREO RECEIVERS
MODEL SX.15OOT

.-
@
9
!:
F
u
ilg 691'g68
t-,fr; +
+
,9 3,
a,
E ;-
a <?r=
q -_--
j -\D4,5
o = r -o = a
d * :i jr ? 3 t
F q I o: ! |
r")"\.f'=
sp
=
o
o
9
o
=
Ftrr
@@@ @
'=*- # frr. f
'7-y 2 i3fl1 E
=EtY-a a;3gi =
<urL<F ,,r
@ ; '16@ o
ta
ooo o
F
.
@
g
c.9
E
d5
t
r-
g*
ro=-
isJS9q
=46;x,-
is: r sq <
-n_r ^
l"
FI
l$oe" l.
d*) ^ @-
o$Fe-
o^LQ
?s
o
E
\ EB-
:S
f
o
o
6
6A
o@-dfl;
r
@
@
o
o
Y
m
st
o
I
x
(/)
G
m
\t
o
I
X
a
o
E
o

-
# #=
3 2*
-# *i
la i6
=i E-
-.iL i -
@@
t ? e -?
z +;
za . ,<
- . ts ri 96.
t\= < zz E-,"
<> = do )^=
16 - \o :E\
>a z ez RdE
u1 : a 22=
: -61 I
U
rsll
F
I
fr<
=E
=
Il*
l=
I;
s
N Ual $!
()+W -+
ooor ccu
M9
-J9*+
^'s
+
=d.
b FF
S i=;A
ul fuq;
2= a,.-=<t
tr + olii' r
'Z = ?zt
I
6
a
Hg
6
oc ,€-s
e
^oi;
o
d<
ud
I----
t636 i @
oo@@@ &
-9 -o
l'ozzz<i -
6'ooo'< o
^ IOOOOOY s
3 -- ".----- E
- ?;
! 3l^ i E?:irt
a 'v ' sH5'''-: d
,-iFIJ"'fl r;e"-:r."-
: -dFn a aq o 6 a
j_tr
EEre:
E 4---r
* 4---,Er
KEIdR
#Ei is
'"t ,,J=
I
o
*H ---
Er 9j
+*1--*E {':
| "'l
!:
PO
F
r5
---L----
I
6
I
I
__J
I
{
F
=
F
9
EH
-Je
frltEffilil
ELJdg=L
H^
F
=
; as
ka?
d9J
N
iLzh
N.
o
--a
Si
E
6
33
:-
@o
o@oo^ g
t O 9:
lec rN 3
d00q r,l :s
@
o
o
@
,zz"
m
t
o
t
x
J
T
E
o

I
FM FRONTEND AMO I I 9
FM FRONT FND
6AQ 8
Yzvnto
Tsoz
U) a
a
l
iH(10)
b
BrF
(F-(s)
ANT 300f)
BALANCED
(2) IOD
ts-351
I
Csto
1 000P
Csoz
1000P T
7,
UrM n304
12P il..1
Csos
20P
Coos
5P
AM0119
MPX UNIT AMO I 30
vsor 6EAB vso2 6 EAg
Cse l55P
(40 v)
V DL VOLIAUF JR D- UURRENIAI o0JBANliilNA
AMo130

-
ia
-2
?3
-
ra
I
I
lFt-+
.r-
Mi osL $!
q^^-+
,S
;EI
*-g
.E
E lll
E
o
2o
Fr
2a
u u X@
a z nd
[ f;3 r'
J YO a
+ e r?
x Aur
Esr:-EFit
? z .?ztr')
JE
6R
ve
o
tis
-!
:
-=
i-
:::
t{
tz
;i
2z
d9
tr igv
-1 Fd4i7==
= 5 I F;Yi;i
6;
- , - ^-+qB
a a 7n
:4 u>
@oo@ o
ooooo
oe!
l)3.-
l[,
FI
1"
$t
@o
\ -\ n e+,,,2
i ii: -:xZ*tfl:
i:=: E-;3 i ci#r = i
=d
-a.
-*--',,*i
*^++k
?_L{:
o
m
\t
o
I
X
a
o
-o
o
o
r9
+=
r ,e Er
Rt9i-9
zEdo<-
F?:?s.-j o E
tu
-et
i:
n
_{
Ili
)r t-^
I /5Ln8
s!\ {
xlhA
,'",i+l
l*
:-
=
"] ] w'+
iJ"1'il'
---j
o@ o@
n-/2 O
"{, e
@o e€
!00r 't
--o
-\o
;@
@
@
o
@)
,o

-
FIVI FRONTEND AMO I 60
FT1 FRONT_ END
AM-0160
6'Aq8
i+
R gos
2?0 (i0)
IF
(9)
I
I
I
I
Tgor
(1) 6
a
)
I
O
ANT 3OOO
BALANCE c3ot
30p J
(2
( AFO)
I S351
c 3,0
r000p
2/
Rgoz
?k
(6
ANT
AM
0SC(.
i; OUr StDE
:: RESISTANCE(1KO)
(
I a, roov
(?)
Bz 100v
HEATER
+As
-=- h
^d+ttl
-vlttt
ollll
-+l l+
I'
JI
(4)d d(5)
H O.3V
Csoa
r8p
C3os
5p
MPX UNIT AMO I 30
vsor 6EAg
ffiol, 'uu lfu\l.,*u*'o
(8nA) +Br
-<
(+120V)
€
6.3v 0.89A
t
c-- coflposrTE slGMr- AT 60'/ STERE0 t40D
f ----l Pllol slcNAL AT 10 7. lv10D
I_I OUIPUI SIGNAL VOLTAGE
( V) NO INPUT SIGNAL DC VOL]AGE OR OC CIJRREN1
V OC VOLTAGE OR DC CURRENTATGOdB ANTENNA INPUI
iq6l *qJ-
ta lt (40V)
ol'fe ,,--tF
vsr-b rl{i'0!} R5z5
(-0.1v ) 7f.\ 220K
-LJv r, , I

#\
e lzl
G tgt
ffi
t
O:
>E
=>
t;
=
?
F
s.sl -
-i-is
()ia
!
El--
=!
I
aE
j a 33:
=F@to3t
;;^F_:t
:9H:6Ir
P*696=-
6F
j'fr H
trurLrrr
ooooooo
=====--
a ooooooo
'ir 3
1i.xE- -
=c=;trP-
F-;gr-<
r*drd-:1-
459:9=El L
-t-:rrd{
6a"taitn,s;
:9
t
EF k
9H
fiQ =
H H-- H
U EF +
=iP q -
: rd
- +B p f F i
,?
:
@
-\s
>s .€
E ' F
^Mo8r
F$389P EIF i
r..{*:1 sill E
- or
:-- <o I lEl
EEEd== -E le s =e
=6EZzzE= t6 ? E
r",,""=s'=lF a n
-i58.."1=?3 5 oeF
P-3-Fsq-e: F r.l p ?
r_Fnd:
- > > > > > > > > 1,. t ^ -
3-g
l; uld
--=P9
3 5P ;
;-do+66
=
.l
=
""-r-1.
frE L#i *
=o
F
t
+s
!0
i\E
* EO=
tU
=:
i
@
)3
e
o
)
o'r E^; L
I
L.
3.t
M1
+
t
:J
e
i CbE =EEnEA:e
*3E -*Ff
l
lllndNrll
-
i r!ilrNrw-Nil ardN l
- [ruru -wHd -
I
F-E d.i
rv -H
-+
F
E
>43
tt
=3
s
emlw(8-:ldl
(L-J3d) 0001 8v
o
d
I
x
a
o
E
o

-
iOen n
){
-lh go
I r-jN
ill
+
=
F
z
8r
=
()
an
O
L
N
C)O
D-
O
O
I
N
cJ
F
<9
r+
ct
3cr
g(o
=s
-a)
:c)
ii(c)
=s
I
o
I
=
o
z
ht
F
z
o
E
L
E
l!
I U-t
3A
(o
o
f
=
o
vz
bl
F
z
o
tr
lr
h