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Pioneer DC-Z85 Service Manual page 20

Stereo double cassette deck amplifier
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\M
BALANCE
assembly
(mP 38)
AL
SAL
FLAY
OFA
@| FLAC
SPA
KO
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@} MIC @| GND @} -5Vv
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CN6
MIC
GND
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+5V
I@ -Sv
[@
GEQ
assembly
(AWX1
048)
(P25,
26)
CN7
ARR
MOTOR
B
MOTOR
A
2
PULSE
M,+12V
Cro2
M.GND
sol
2
sw
COM
MODE
|
HALF
ARF
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CN2021
2
MECHA
UNIT
(MP21,24)
=
AF
assembly
(AWZ3338)
(P37-40)
A
A
FUIS2
FU151
T80OMA/250V
Q
Q
T8OOmA/2S0V
AEK-031
AEK-031
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TRANSE
CONNECT
assembly
(P41)
2
MECHA
assembly
(>P24,25)
HEADPHONE
assembly
4
Week
(P40)
sP 1 [OF
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ano |@-——~4@| GND
—N
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FRONT
SPEAKER
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REAR
SPEAKER
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PL
DC (+12V)
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TRANSFORMER
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5
SUB
TRANS
assembly
(AWR1
058)
(P41,42)
A
$101
LINE
VOLTAGE
SELECTOR
SWITCH
AKX1004
A FU101
AEK—400
T4A/250V
AC
POWER
CORD
110V/420-127V
7220V/240V
50/60Hz
ADG-1051
$102
AKX-507
LINE
VOLTAGE
SELECTOR
SWITCH
°
|
1. RESISTORS:
indicated
in 2, %W, YeW,+5% tolerance unless otherwise noted k :kQ,
M : MQ, (F) : £1%, (G) : £2%, (K) : 210% (M); +20% tolerance
2. CAPACITORS:
Indicated in capacity (uF)/voltage (V) unless otherwise noted p : pF
Indication
without
voltage
is 50V
except
electrolytic
capacitor.
3. VOLTAGE,
CURRENT:
[-_]: Signal voltage at(
45
W+
45
W
L_]: DC voltage (V) at no input signal
Valuein(
—) is DC voltage at rated power.
<=> mA: DC current at no input signal
80)output (1kHz)
4, OTHERS:
wp : Signal route.
@ : Adjusting point.
The
A
mark found on some component
parts indicates the im-
portance of the safety factor of the part. Therefore, when replacing,
be sure to use parts of identical designation.
%
marked capacitors and resistors have parts numbers.
This is the basic schematic diagram, but the actual circuit may vary
due to improvements in design.
SWITCHES:
LINE
VOLTAGE
SELECTOR
SWITCH
S101
AKX1004
$102
AKX-507
DISPLAY
assembly
$1504
POWER
S1541
SHARP
$1505
VIDEO
$1542
/E
S1506
CD DIRECT
$1543
/C
$1507
FADE/FINE
$1544
/A
S1511
AT BGM
$1547
F UP
$1512 PHONO
$1548
LEVEL DOWN
$1514
DISCO
$1516
SURR
Cc
$1517
TAPE
$1518
2 REC
1 MECH
SW assembly
$1519
X2 COPY
$1551
1 REV
$1522
cD
$1552
1 PLAY
$1523
Tx
$1553
1 STOP
S1524
2 PAUSE
$1554
1 REW
$1525
Xl COPY
$1555
1 FF
$1528
DOLBY
NR ON/OFF
$1532
FLAY
81557
2 REV
$1533
/D
$1558
2 PLAY
$1534
/B
$1559
2 REW
$1535
MEMOLY
Si560
2 FF
$1536
DIGITAL
SURR
$1537
EQ ON/OFF
$1538
LEVEL
UP
D
$1539
F DOWN
S1540
WARM

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