Sony WM-D6 - Page 22

{LED BOARD)
IClOl CXI74A
DOLBY NR/PLAYBACK AMP/
RECORD AMP
+
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aga 35 ci26
270
22k 1735V
BIAS
CIRCUIT
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C102 NUM386DE
HEADPHONE AMP
PEAK/
BATT
say
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(1/2) LED BOARD] ae
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DOLBY NR TAPE 100
NORMT)~—[CrO2]--WETALIV]| NOPMAL: “™ O7__ _
OFF —~ ON
a
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Ik
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0301
0301, 302 ISI555
C137
0.015
RISO
C136
0.018
CP302
EQUALIZER
'SWITCHING
' METAL :3V.
RI52
8.2k
CP303
EQUALIZER
SWITCHING i
RIS3 I
6.8k
C138 Ss
0.022
RI47
390
CP 30!
MUTING CIRCUIT UNIT
MUTING SWITCH
$903
(Prcoaa,
PLAY, i R303
BE) se
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pay)
IC6O0l =MSNSBI4IRS
CRYSTAL OSC/DIVIDER/
PHASE COMPARATOR
C608 R609 C609 cél2
15p 1M 15p 33p
‘APE SPEED |
3090Hz I
S601
SPEED TUNE
(OFF}——
TAPE SPEED
3090Hz
Q802 25¢2458
VOLTAGE CONTROL
TX 0005 Vago >.
$801 i
fa sav Fo? (Gd)
80s nel
PEAK —=BATT 4.7k
hii 3.8V
D803
RBIO
47k -
S ay
p02
I 351 oF-0v 6.3v 2R8I2
ON :0.7V 8.2k
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| £44} 801
1c801 TA7654P RaI8 080! - 805
Q80! 25C2458 180
ee
DEN
BATTERY
CHECK
GLOPRIO
SWITCHING
PEAK
INDICATOR/
BATTERY CHECK
<<< f J303 [A]
R248 R148
15 15
1S
.2V
| Q306 2SB8I0 H
POWER SUPPLY
SWITCHING
| R3i8
220
J302
Q307 2S8C2458
POWER SUPPLY
SWITCHING
GENERATOR
Haan + Pate
Q603 2SB739
MOTOR DRIVE
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1304
|
J K L
1
Note:
@
=
Signal
path.
@ Components for right channel have same values as for left
channel. Reference numbers are coded from 201.
e@ All capacitors are in uF unless otherwise noted. pF: uF
5OWV or less are not indicated except for electrolytics
and tantalums.
“ e All resistors are in ohms, 1/,W unless otherwise noted.
ee kQ : 1000 2, MQ : 1000 kQ
: © (J : panel designation.
© (__] : adjustment for repair.
e : B+ bus.
@ Readings are taken under no-signal conditions.
e Switch 2
[rane] Sich [Poon
RECORD/PLAYBACK PLAYBACK
LINE IN/MIC LINE IN
SPEED TUNE OFF
PEAK/BATT PEAK
DOLBY NR OFF
TAPE NORM |
POWER OFF
PLAYBACK MUTE ON
RECORD/PLAYBACK MUTE OFF
3
a
5
oa
4
6v
Q601,602 2502458 |
SERVO SWITCHING 6V
oan (POWER)
cP304 QV CN301 5
~~ — DC OC CONVERTER _ T DEIN: GY
O-C-O
BV
° ?
| H ‘
ee en i os es ] BATT RECHARGE ABLE
6V0C | BATTERY
4xSIZE"AA" PACK BP-23