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TC-D3/WM-D3
SECTION
1
BLOCK
DIAGRAM
TC-D3/WM-D3
a+
(2.25V)
$303
$302-1
$302-2
DOLBY NR
me
MIC
OFF
RVIOZ
{
|
(REC LEVEL ADJ)
MIC AMP
DOLBYAMP
ON
REC EQ AMP
Cote
dene
seen
J301
ys
QI01
1€302(1/2)
2.95V
gh
")
pecsit
1€305(1/2)
9105
RV30I~I
ef)
0305 [0 _]
/f
REC LEVEL
REC EQ AMP
0304
R-CH
MUTING
eae
R-CH
0303 [=i0]
(2.98V)
0205 CH
A)
$305
PEAK
LED ORIVE
rapes
LED DRIVE
4
Lloz
Q316
1C306
ork
-_
att
4
|
BATT
ie
igo
/f 0308
|
(¥) VOLTAGE SHIFT
O
O
0302
F
PB EQ AMP
cio MR
LINE AMP
8
vee
HRPSOI-| "_.
oe
=
UINE OUT
REC/ PB HEAD
O
1¢30
1C304
7
(PB ONLY)
LINE AMP
R-CH
MUTING
de
Q104
=
361
on
RIPPLE FILTER
aa
nya
(3V)
OUT PUT
(2.25)
PR LEVEL ADJ)
302
:
R-CH
O
O
©
O
O
$ ae d
RV302-
cla7
clee
PB EO SWITCH
(12)
a
oe ane
103
HE ADPHONE
O
3303
()
AMP
©
PHONES
R-CH
(C303
R-CH
HEADPHONE AMP
FWD / PAUSE
PROTECTOR
MUTING
MUTING
penn
9303
9304
ania
B+ SWITCHING
OUT PUT
B+
0319
Bt
Q305
(3V)
T301
BIAS OSC
1
. |
HE9O!
+—O
2
MUTING
FWD SWITCH
|FWO/REW
SWITCH
B+
ERASE HEAD. X P
=
0306 , 307
0317
93/8
Le
PROTECTOR
Q3ll
9321
BIAS OSC
REC/PB
MUTING
Q308
BIAS TIMING
:
SWITCHING
|
a
314,323
ao
Bt
, :
+8
oy
PLAY
R~CH
(8.2V)
Q3l2
REC
BIAS SWITCHING
ay)
CN30
LOC
IN 3V |
DRY BATTERY
MOTOR DRIVE
Si7E "AA"
|
@
R-CH
SAME AS L-CH
(IEC DESIGNATION R6)
2PCS, 3V
Q315
STOP MUTING
$902
V (FF/REW)
Le
960
a
(3)
SERVO AMP
(9)
IC601
FG901
(1)
@)
(4)—65)
(TAPE SPEED ADJ)
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