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Pioneer DC-221Z Service Manual page 24

Stereo double cassette tape deck amplifier

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6
7
g
9
10
44
DC-2212/2202
—_——$$
————
eee
ee
Bee
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STOR
1c 301
M5220L
VR601
ACT- 198
VR301, 302,501,
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VRTB6VS223
1. RESISTORS:
A
:
C401
HA12045
VR701
ACT-057
VR 502,802 ,804
Indicated in 9, 1/4W, 1/6W and 1/8W. +5% tolerance unless otherwise
7
me
7
1C501
M5218L
VR702
ACT- 197
VRBO1, 803
VRTB6VS103
noted k: kM, M; MQ, (F}; £1%. (G); +2%, (K): +10%, (M); +20% tolerance
=
=
:
IC601
M5218P
VR841,842
VRTB6VS104
2. CAPACITORS:
f
1eso14 72
1C701,1C702
BA3812L
c417,C418
ACH -387
Indicated in capacity (MF)/voltage (V) unless otherwise noted p; pF
1c804
TA7341P
c419,C420
ACH- 388
Indication without voltage is SOV except electrolytic capacitor
p
H
JACK ASSEMBLY
VR501,VR502
R539
C723,C724
ACG-028
3. VOLTAGE. CURRENT:
a
w
REC LEVEL ADJ
tH
303,304,
c804
ACE -134
VJ; Signal voltage at 40W +40 W, 82 output (1 kHz)
vie-sf
TPHL)
e517
523
i C519
Q401-Q409,
2SCI740S(2SC2458)
|
7:
DC voltage (V) at no input signal Value in ({
—_) is DC voltage at
Coe
a
eae:
1750
vi
| 19728
Q50!-0510,0846
F401, F402
ATF - 167
rated power.
AKN-049
5
i
Te]
7
fon
eee
Rey
801
2SA933S(2SA1048)
<= MA; DC current at no input signal
0s
BEES.
e7mv/8.n Aw]
Je
2K
16725)
pes
den
2k
0803,0806
DTAI24ES (RN2203)
L401,L402
ATM-034
tom /arow)
I
Q805,Q809-Q811
L501,L502
ATH-117
4.
OTHERS
C421
L501
,
+
re
| aot
eel
MOR
256i
Lee
am
OO
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7525
R523
bee
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L503,L504
ATM-035
=> Signal route
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8.2
;
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con
[75
* Fess
1%
cos {
aa
9804
2$B560
Leo
ATH-094
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ig
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ay
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$509 grat
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oo88
es00p ==
== Gaon
Q844,9845,0851
280438
The A\ mark found on some component parts indicates the importance of
|
he)
22k
|
og
R515
82
R524
R527
R533
842
DTAI43ES(RN2201)
TO
ATX - 035
the safety factor of the part. Therefore. when replacing, be sure to use
a
+
ha
100k
22k
22k
22k
aa
mi
ro
2
22k
Sito
23
j
e593
(Kk) Foo
Kk)
we
(K
(Kk)
@301,0302
2sc2878
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=
parts of identical designation
ine
as
'On
9505
507
0509
Q802,Q807
DTC 143ES (RN1201)
XX marked capacitors and resistors have parts unmbers.
Q843
25C2603(2SC2458)
sod
ieee (%
coo
aaa %
MY
POWER AMPLIFIER ASSEMBLY cwH-178
:
C42
L402
36k
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C510
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cata
esi
eset
= Lcsze
D801-p804,830
} issi131
ICtol
2—-CHANNEL POWER AMP
1
i
[ ne
=c50:
82
\o 039
Hose
0.033
6800
'T 680p
D806 -D818,820
T1800,
nat
L502
8
,
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Le
Anagog
Nvaso2
|
45k
Pree
R520
poe
R526
R524
R530
D822-0826,829
Raz8
caz2-L
62k
22k
7
2.2k
nue
Tk
120
120
r-o4
7
La
0.018
.
1
1
D821
$5566 (1E2)
ictor AY
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+—
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R502
502 | cs06.
Sade
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0831
RD6.8EB(HZ6.8EB)
|
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i
27k
1
hep
a
D832 ,0833
RD5.6EB(HZ5.6EB)
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6]
j
ete
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D851
USsio35
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REF
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1750
6807)
10725
|
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a
R540
S401
ASH-105
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10
$701
SUJ6L 4 B2B2B2LF
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|
WA
Jvt-4
|
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Y
R24 |
4
|
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aevfu-s
|
(iW) | 101,102: DC VOLTAGE DETECTOR
by
=
eae
t
T
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@103: RELAY DRIVER
=
RY104
SPEAKERS
a
aA
Hav girs
17.8V/8N
=
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R124
ow
Ja-t
|
|
R122
0102
AKE-109
2
.
—_
"
40k
as
|
alice
|
0104
@)
1
(ts)
4
3
1c701: 5-POLE GRAPHIC EQ.
soe
Ce
TES ATK
"De
(8)
wt6-4
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[wre
A
7/501
cs /avatevewn |
Pe
of
:
2.4
0104
102
SWITCH ASSEMBLY (3//3)
F
Jne-3
I
t
(2,
2
—_
=
=
TAPE
CD/ VIDEO
TUNER
PHONO
C701
!
SG 1
Le
i
¥.
Go
$902
SUJL2NE
nos
1024
"[une-2
sete
nt
$901 _SUJ8L245SF
|
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=
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1
400/10
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FUSE HOLDER ASSEMBLY
$701-2-2
S701-3-1
$701-4-1)
+ H
R707
|
=
|
1
|
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c128
q
+
2
> FULAEK- 123
|
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Coa
see
1050 2
¥ 700/50
5
:
R140
ACN-209
1
=
24
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ee
1
|
vR702-4
ae
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Aoror
2
Den Onn G
VOLUME
BRN
@408,0409:
to
47
+1 3300/25
ae
|
a
ADs-o73
TAPE OUTPUT
TUNER
(aw)
1¢—
|
PUSH SWITCH
MUTING
i
S7O1-1-4
Aoice
C132
'
(POWER)
|
ARE OES
es
Avr: power TRANSFORMER
ASG~539
fo
(|
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4
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ATS ~ 193 (120V)
Ax ct
OFF 5
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+
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104,
IC102 , 103:
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ff
ACG=502 "| BL
aci2z0v
te
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VOLTAGE REGULATOR
at:
AN
ae
120v} 8
NEUTRAL
50/60Hz
H
oa
L
IC 601:
|
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i
1
U3
5.
6
PHONO EQ. AMP.
LL
=
i
:
:
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Jue-7
IC 101
STK 4171-28
D101
KZL150
€131,c132
ACG- 019
Lag
36
|
Jue-6
1C102,IC103
wPC78M12H
D102
1s247t
128, C129
ACH-252
Jane-5
'
0103, 0104,
eo
pe supply
fp
Qio1—a103-—-2SC1740S
DIO7—DNO
$5566 (11E2)
L103, LIO4 = ATH- 053
I
F
|
a
Cae
we
(28C2603)
D105
ROI3EB (HZI3EB)
|
1
|
jo]
wn 8
i
vos
io
a104
25B834
D106
RB402
RY101
ASR-114
a
1
|
urea
A
7ew)
472w)
Fu3
AEK-121
i
|
|
8
o
Jur-5
th
84
7
|
the
C751
AKNS.OSS
FU4,FUS
AEK-124
!
Tee01(1/2)
*
R615
VR601:
ee ar
|
i
|
REOS
R61
aoe
INPUT LEVEL
Liygt
+
-
=
a
FESE
30k
390k
C702
10/25
ages
vagy' vagor2
cps OE #88
res
7
a
:
VARIABLE RESISTOR ASSEMBLY
5. SWITCHES:
th
1
:
Nl
na
Se
cle
taty
-
+} coos S8odp
8200p
5- POLE
[
COMPLEX ASSEMBLY
ge
GRAPHIC EQ.
sie-7_
Avs
OUTSIDE OF P.C_BOARDS
'
ba
wee
va
'
$401: REC/PB SELECTOR
REC—PLAY
oF NC
i
vRro2-2
w6-5 Lv3
S1: POWER
ON—OFF
$701: FUNCTION
47/10
614
:
ane
:
coos eb
eos
S850»
8200p
i Bee
MOLE
7
$701-1: TAPE
ON—OFF
?
°
TAPE TRANSPORT
UNIT 1
$701-2: CD/AUX
ON—OFF
|
R617 £
Rere 3
re--|-5
$701-3: TUNER
ON—OFF
7
=
i e Sale
$21; MUTE
ON—OFF
$701-4: PHONO
ON—OFF
crea
;
|
$22: TAPE TYPE CrO2
ON—OFF
40/25
T
1
$23: PLAY
ON—OFF
ISWITCH ASSEMBLY
|
!
1
}
$24: MS
ON—OFF
|
$R708
|
1
470,
7-6 le
ane
$901-1: DOLBY NR
ON—OFF
igs2| i)
TAPE TRANSPORT UNIT 2
$901-2: HIGH SPEED COPY
X1—X2_
JI7-6
$902: REC MUTE
ON—OFF
258,
7-7
$31: MUTE
ON—OFF
=
7
@ penal
[pees
4
oz
{
$32: TAPE TYPE METAL
ON—OFF
The underlined indicates the switch position.
@
) =_—>—
>
eae
u7-4a
bva
;
$33: PLAY
ON—OFF
carwmen
|
v17-5
[vs
$34:
MAIN
ON—OFF
This is the basic schematic diagram, but the actual circuit may vary due to
a
ee
|
VR{
ACX-314
|
$36: REC KNOB
ON—OFF
improvements in design.

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