Pioneer RX-1180 Service Manual page 20

Stereo cassette deck receiver
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RX-1180, RX-1190
6.4
AMPLIFIER
SECTION
27
Rx-11807S0, Sb/G.
MIC
ASSEMBLY
AWF 1004
(RX-1180/SD,
SD/G)
!
(C951 MICA
2
1C950 | BUFF
a
i
ROURIEER
1
MP.
t
BUFFER
AMP
ie
' ASSEMBLY
A (1/3)
se
eseMeLy
CONTROL
ASSEMBLY
(1/2)
AWZ1371
Mic
H
H
pata cu
p88?
aren
AWM 1060 (RX-1180/SD, SD/G)
=
SSS
R9s5
C987,
cane
20m
a
4
4
CNS-5
Ki
COMPLEX
ASSEMBLY
A
(2/3)
AWM
1054
(RX-1180/ KU,
RX-1190/KUC)
5
=
-
=
ae
peel he
A se EE A
Sa
°
wom
i
u
3
1C304.
FLAT
amp
curv?
1
+
|
esac
UNC S
Vou
a
3
Skriv
bee
mf
wy
74
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1
AL
nf ouT
R339
ic 102
AKNIO09
$
t
SSasdosetecs)
220
a
+] cee
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u
i
r
ngae
323
1
1
TM a7/16
t
oe
re
ae
ef)
eg,
lk
gone
ee
Vaal
-St
'
=
8
ouTh-3
J
SWITCHING
MOS
6
POLY-Si
REGISTOR
PATTERN
;
(9)
eg
a0 iN
+
7
* C955
|
H
EVEL
ee,
Lda
our
Tar
een
Stick
T
t
et
real
SWITCHING
SwitcHing
LEVEL
|
Tevet
REGISTER
DRIVER
329
|
Jefe
i
ares
MODE
|
fe)
5
5 J-tav
i
ty cHanwen.
4
Lf
STR OBE
oT
{
SELECTER
DECODER
1c950,951
MS5218P
enna Mb.
er]
aya)
cae
= fsevecree |
vu
pire
!
psf oare
SWITCHING
'
'
Vises
be0
.
LATCH (x8)
oRIVER
ean
\
/ RUX
N
v
1C301.
PHONO
EE)
Mel.
-elain
elem
R303
—Q AMP.
*
R330
R
560
I
SWITCHING
MOS
8
POLY-SI
REGISTOR
PATTERN
i
00
iz
3
DN
RX-1BOsKU
1
VRIO!
~— 105
RX-11907
KUC
GRAPHIC
EQUAL'ZER
*
Be
ne
7350
+
asay,
aes
IC101, 102
BA3B12L
22k
22a
R306
1c30t
M5218P
GRAPHIC
EQUALIZER
ge
fh
1¢302
TC9164N
1
1¢303
-Cxo1120P
'
1€304
MS218PF
0301- 303
RNIZOI (DTCI43ES)
0301
RD5 1€SB
'
028?
9303
0302
RO6.2ESB
PHONO
©
Ft
cioa
RRS C302
CF)
(3
ic1or | 12000
12000
3900
390
3900p
7
Gr a
GG
co
©
|
|_|
[|
R304
'
GQ
Q
&
Q
=)
oe
af
-
a
3
e
|
| 93 | $3 |
*
5
VIDEO
ee
ee
|
Ic 302:
=
1
7 BUX
e302
FUNCTION
c
Pe yaen (ees
'
)
:
a
)
WITCH
ee
wake
-| i
i pate
<
ies
a
fa)
=
me
TUNER
ONS
jar
a7 z
|. |
COMPLEX
¢
t
MAIN
GNO
ti2v
6
ASSEMBLY
a{
Cu
OR
ASSEMBLY (2/2)
Contteci:
GOMPLER?
at
"f> 3 asad 10
1a
our k's
R
sa,
(e
2
-
SP_ TERM
O73)
> ne our ne
aon
CONTROL
Pera ter TE
AWZ 1408 (RX-1190/KUC)
cle
os
PS
ota
+B
ASSEMBLY
(1/3)
COMPLEX
+i2v 4 -12v
(272)
AWZ
1907
(RX-1180/SD,
SD/G)
4.7750
x
Bk
7100p
4.7750
-4
ASSEMBLY A (3/3)
cn
emo fenso
MAIN
ASSEMBLY
(1/2)
| AWZ1373
(RX-1180/KU)
a
yt
contro.
|
a
a
a
—_
— —__
=
se
|
'OUT
ie
0608
—RNI203 (2SC3400)
O755
© 28C2235
Rx-1180/KU,(0707%, 708
28C2705
i
re
i s |
ce.
0701-704,758
250992
Q80!1,802
25C3377
<6 sors {arise
28C2238
|
;
oom
LY b0
D503,804
RDS 6eSo
& 9705,706,751,752
28C2240
9803
25a1515
0713,714
250968
ond,
V\
@ad4
DaCcs
RDISESe
+S
(281845) , ( 25¢2389)
0753,754,804
25C2458
0707,708
2Sc2705P_
I
— ———
=
a
!
gore
oa | BELAY
D807
RDIOESB
0709, 710,759
25C2603
(2817408), (2862603)
RX-1190/KUC {or 712
28c223eB
cae
Cr)
0808-611
1162 (55566)
Q713,714
25A968B
REMOTE
9
Re
0812
RD6.2ESB
=
=
———-
4
SP
SW
ASSEMBLY
POWER 8
an
chs
Tarra
an RP
is
D701 - 704,707,
708,
751 - 754
R733
L701
O TyH
C757
r
MUTING
7
RX-1190
,
.
'
.
Se
150p
y
ay
758
$701
$708
tatee | aseule
615
AB Rg oe
as
0757-760, 806,813, 814
155131
2
ee "h.
ree
t{F)
"308
<1
ASSEMBLY.
stor 5
a
8809
aos
user)
0705, 706, 709, 710
(272)
peier
:
RD5. 6ESBIRX-1180/KU, SD, SD/G )
Ge
oes
2
LA
Bi
D755
HZSI2BL
Te
ores
wawy'
are
RAP Y TON
ace.gv
oso!
05S820F
22k
hoo
tty2wh
xX rah)
sot
pate
Q80!'
+5.6v
0802
RBI52
n?27
rr
a
'
i a ed
&
'OG
Reo 68 | ' ~
REGULATOR
6.8%
e725
;
CNS
=
[25] fivewie,
rat
0 082
(iP
|
!
.
?
G
:
Cy)
'
PHONES
comp ex
1
[45/8
con 3797 QD)
wre
-
crss!
dais
+
18k
~---
66
+
[envren]
ASSEMBLY A (19)
pent
cos HS ——
Lad
1 8]
REG.
A ASSEMBLY
Hoo!
1
(3/3)
1 A\raciso Bd
Rees
sei
:
=
1
AKNI010
&
1CB802
HAI7TBI2W
S701. SPEAKERS.
cane
ost
peace
2Z
ASG - 413
TeO1
w
BOS 0 O1/ACI25 [RX- 118O/ KU, RX-1190/7KUC)
1
tears
[3
{|
cee]
!
E 3 iNer
-
0.0174C250
=
78s
qe
!
RX-118O/SD,
SO/G)
.
pees
ep
5
—_
=)
4
Fur
4
oe
$80
"hea-309
i
AgYs
co
weies &
Rep]
TcBOr
1805/60}
H
SRS
pPC 78M12H
fey
'
.
1c80!
(
3
us)
0608
ces
cei?
aci20v
ft, '9
47/16
0710
slorse]
— Eoaet
SPEAKERS
60H:
'
708]
Q751- 755,
+[ cso
1
c724.
Q758,759,
29.7v/8n
Ac POWER CORO
iH 199
=
0706
[736
0082 >
Q608 :
RX=1180
AvG-077
REG. B ASSEMBLY
|
220
ae
PROTECTION
Breven
0704
R746
RK-1180
T
TSIO72
-
msiuone:
trx-waovKur f
AEK~i22
gy?|
wing 4
c
cud
iT
TSIO76
BX 1807 KUC
peer ea
(Rx-1199 ree} ')
1301. 802,
eos
[C6
(iz)
S
L(y)
|
eoiein
REGULATOR
"on
ie
abt'
SIA
+
AKPIONS
oa
wet
@ ae02
"Boo 28734 LOZ_S
~
15k
Ex)
7500 § 47
SP
TERM
caos ty,
ASSEMBLY (2/3)
are
2739, 740
1
1. RESISTORS:
ca08 to
0805
9701-714, 01-4
Bice sisec soe;
aed
(007, 814,815 ACGIOO5
bl
.
x
.702:
ATHIOOS
RY8O
SRIOIZ
Indicated in @, 1/4%, 1/6W and 1/8M, 5% tolerance unless
{
aust
=
—————
woror |moror
POWER" AMP
03,4
2581302
—caorleoe acniose
casmions)
«REC
otherwise noted k; kQ, Wi MO, (F)I21%, (6); £2%, (KIS +102,
E08,
| ea
Cs
(8
os
te
£805,806
ACG 1002
os
URE
a
(W);+20% tolerance,
tee
j@ 0803
TUNER
[CNIO-5 JCNIO-6
JontO-4
CNS
R807
COMPLEX
lz
>
s
(S33)
"89" C20)
Eras}
JIO-5y10-6
sio-4
10-3
ASSEMBLY
A
v9-12+~
2. CAPACITORS:
| . OTHERS:
'
j
:
,
(373)
Indicated
in capacity
(sF)/voltage
(V) uniess otherwise noted
+3 Signal route.
.
COMPLEX
COMPLEX
DipF,
Indication without voltage is 50V except electrolytic
capacitor,
3, VOLTAGE,
CURRENT:
_.z¥! 3 Signal voltage at 110W+110W,8Q output (1kHz).
DC voitage (V) at no input signal.
Value in ( ) is OC voltage at rated power,
© mh ; OC current at no input signal.
14 Signal voltage at FH 400Hz+ 75Hz DEV,
woods
@i Adjusting point.
2
The A mark found on some component parts indicates the
importance of the safety factor of the part. Therefore,
when replacing,
be sure to use parts of identical designation.
%& marked capacitors and resistors have parts nunbers,
This is the basic schematic diagram, but the actual circuit may
vary due to improvements in design,
5. SWITCHES: (The underlined indicates the switch position)
SP SW ASSEMBLY
S701: SPEAKERS
3
ASSEMBLY
A (1/3)
A
A+B
ASSEMBLY
A (3/3)
een
PLAYBACK SIGNAL ROUTE
4
=~ ———
RECORDING SIGNAL ROUTE

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