Sony TC-D3 Service Manual page 14

Stereo cassette-corder
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TC-D3/WM-D3
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TC-D3/WM-D3
11
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13
14
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4-2.
SCHEMATIC
DIAGRAM
$302-I
$302-2
{REC BOARD)
(MAIN BOARD)
LINE@—MIC
LINE@— MIC
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as
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A
Zs
Q30)
A
a
ri
(7.5)
(75)
RIPPLE FLIER (8.2)
(8.2)
Note:
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:
2
.
.
:
REC LEVEL
so
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ks Ex ES Ee ke
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wave
e All capacitors are in uF unless otherwise noted. pF: uuF
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MPX FILTER
SS
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= t
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50 WV or less are not indicated
except for electrolytics
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3302
and tantalums.
rr
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to GS
re
J
e
All resistors are in 2 and 1/,W or less unless otherwise
ae
(CHASSIS)
specified.
DTCI43TK
PHASE
B
STOP MUTING
t
CORRECT
e
Switch
B
axe
fs
oe
see a
Ro ses
Trin
TIO!
.
REC/PB
MUTING s
PB MU
fhe
SAWTOOTH
| COMPARATOR |
REC/PB
ao
Eo
LINE
IN/MIC
MECHANISM
(Chassts )
DOLBY NR
DENAITK
TAPE
Cc
REC
LINE AMP MUTING
i
PEAK/OFF/BATT
C
4
'
LED OFF :10.02
2hikas
PAUSE
LED ON
:10.7
MUTING
PLAY
FF/REW
|
NJM4558M
enlogn?
ee
ay
(0.15)
208 a
pe ON oo) oR
—*REC/PB a
PB
oe
S|
eL'MUTIG |
BLL.
25th
D
e [___] : adjustment for repair.
TEWD SWITCH{S 0-03
|
D
—_—_—_—_—_———
ee=S=—
y
-@
Total
current
is measured
with
no
cassette
installed.
D
@
Power
voltage
is 3 V and
fed with
regulated
dc power
supply from battery terminal.
Voltages are dc with respect to ground in PLAY mode.
PB LEVEL
Voltage variations may be noted due to normal produc-
tion tolerances.
re)
( ) : REC
@q
: REW
E
E
D> : FF
© eeeme>:
playback input signal path.
R226 oy
>
: record output signal path.
TA7688F - SO
DIATIaYK
IC302
CXAI0S8M
HEADPHONE AMP MUTING
DOLBY NR OFF:2.3 DOLBY AMP
ee
ee
1
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F
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HEADPHONE
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33mH
DTCI43 TK
DICI43TK
2561623
SET
[aAs|
6
Ss
PB EQ SWITCH
PB EQ SWITCH \ REF POWER SUPPLY
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BIAS
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at
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NORM : 0
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& STATS |
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TOTAL CURRENT
a
RAC LE
TO305 NIM43
(4.5)
o8 | KS
&
PB: 20 mA
ee: (1,8)
REC EQ AMP
}
'
FF: 100 mA
C102
2-045)
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—S
SS
LSS
A
'Vos
ORY BATTERY
—-REW: 70 mA
METAL(PB)
BIAS OSC
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=o
se
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(Syn)
23
1060/1
CX20084 2%
SIZE
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REC:110 mA
|
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,
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cA
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SERVO AMP
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(IEC DESIGNATION R6)
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4.11 690
(0)
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7
2PCS , 3V
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33
12k
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(0)
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4.7%
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28
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C324
/
100/6.3V
norm (0) ~ 0312
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$0596
MNR= {601A
2602. 0603
METAL PBI (oF, BIAS
SS
MOTOR
!
2SCI623 2SC1623
SWITCHING
AUTO OFF
=19—
|
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== 20>

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