Sony WM-D6 - Block Diagram

1-2. BLOCK DIAGRAM
$302-1 $302 $302-2
LINE -— MiC
WM-D6 WM-D6
O-
RV] J302
|
$902
4
LINE
OUT
MIC
AMP
BUFFER
AMP
LOW-PASS
FILTER
BRA
oe
1301 al0! a102 CPIOI, 102 muTe__d 4 MUTE
LINE
IN
ds
[me
RV301-1
(HV)
R-CH
Bt
REC
LEVEL
im
ae
MUTI MUTING UNIT POWER SUPPLY
SwiTeR std SWITCHING
0301 306,307
Bt FILTER B+3{IIV)
9305
©)
R-CH
B+3IIIV)
(i)
HRPODIAt
RVIO!
RV302-I
PS210-3602D VOLUM
es
PLE
@)
(3)
[VOLUME
|
HEADPHONE
=
= Q103 ,104 I AMP TAV ff 1303
DOLBY NR/
@ PLAYBACK AMP/ @
230
RECORD
AMP
5301-1
Ici01
PLAYBACK-~ RECORD
PLAYBACK
EQUALIZER
SWITCHING
2105
i OO
(6) (4)
(2)
(3)
C134,
139
(5)
()
RECORD BIAS ae
Dio! $802
DOLBY NR
OFF
Nm po xi>
aie - (HV) ON
R-CH
RECORD
BIAS B+ RECORD BIAS
SWITCHING TIMING
HE9O! 0308 0309
EF201-36
L RECORD BIAS
x —_3 Osc
0304
BIAS BIAS
CP302,303
wo |]
0302
SWITCHINGITYPE 1)
Q302
ISWITCHING(TYPE IV)
Q303
EQUALIZER
SWITCHING
HEADPHONES
R-CH J J304
[2]
Rvlo2
| RECORD LEVEL
LED DRIVE
1C80)
4
&) 080! 805
PEAK INDICATOR (D801 - 805)
BATTERY CHECK {D801}
$801
BATTERY 7
aTTER PEAK/BATT
SWITCHING PEAK
0801 |
BATT
+
pte inv)
(6V)
ROTATION
DETECTION
RM9OI
SERVO DEO!
SWITCHING.
B+3
r--4
601,602
i
RV603
(3000H
FG AMP. UNIT 7) RV602 601 ie
O
oe SPEED TUNE penal
ON BATT
' 6V DC
AXSIZE "AAT
Q
FG90I
RV6O!
OFF
B4216y)
O Bre (3090Hz)
5 (6V)
$803
CRYSTAL
OSC/
TAPE PHASE COMPARATOR /DIVIDER
(SPEED COMPARATOR, Ic60!
MPLE HOL|
NORM 1 B+! MOTOR DRIVE ire
1 (6V) 0603
Croz O
4
METAL IV
CN30I
[oc év] {N 6V
9 |
o |
é
Li.
RECHARGEABLE
BATTERY
PACK BP-23