Read Sony ICF-CD73 / ICF-CD73V Service Manual online
ICF-CD73/CD73V
31
31
6-15. SCHEMATIC DIAGRAM – POWER Section –
KH901
CNP302
D901
JW903
JW901
R902
CNP901
L901
CNP301
CNP303
C333
R303
Q301
R304
D303
D304
C302
R306
D305
C303
R320
R322
Q302
Q303
R308
R307
C305
D310
C304
R301
D301
Q304
Q305
Q306
R321
C320
Q307
L301
L302
D312
C307
C306
C308
R309
C309
C310
R310
R311
D307
C312
R312
C313
R313
D308
C314
C315
CNP304
IC303
C103
C203
C104
R102
R316
C325
C326
R317
R204
R205
R206
R209
C205
D201
Q201
C204
Q101
R203
R103
R104
R105
R106
D101
R109
C105
C327
R318
R319
R208
R108
C101
C201
D309
R333
C334
C335
R334
C323
C324
D311
R202
R305
D302
J901
D902
C901
R901
C311
T301
SP101
SP201
IC301
4P
4P
1N4002
100
3P
11P
3P
0.1
10k
2SA1576
10k
1SS119
1SS119
0.01
10
MTZJ-6.8B
220
10V
10V
22k
1k
2SB1013
DTC114EUA
1k
47k
470
10V
10V
1SS119
100
10V
10V
1k
1N4002
2SC4081
2SC4081
2SC4081
4.7k
0.01
2SD2396K
1SS119
0.1
0.1
100
4V
10
0.01
10
50V
100k
47k
MTZJ-6.8B
1
47k
22p
1k
1SS355
0.1
1
50V
4P
LA4525
470p
470p
1
50V
220k
4.7k
0.022
2200p
10k
10k
10k
1k
22k
1000p
1SS119
2SD1757K-T146
-RS
1
50V
2SD1757K-T146
-RS
4.7k
4.7k
10k
10k
1k
1SS119
22k
1000p
4.7
16V
16V
100k
2.2k
4.7k
4.7k
470
4V
470
4V
1SS119
47k
0.047
4.7
16V
16V
1M
470
10V
10V
0.1
1SS119
220k
47
RD3.0ES-T1B2
1N4002
1000
16V
1k
0.01
XC62HR3302PR
VT
R ON
AC IN
VM
POWER ON
BUZZER
AMUT
AGC
+B
DGND
PVCC
PGND
G
N
D
VD
D
CE
NC
VOUT
RCH
LCH
GND
GND
GND
GND
PRE
VCC
NC
LCH
PRE GND
RCH
1
3
MUTING
MUTING
R +B
Q304,305,T301
DC/DC
CONVERTER
REGULATOR
+3.3V
Q302,303
B+ SWITCH
Q301,306,307
+6V REGULATOR
SPEAKER AMP
(CHASSIS)
DRY BATTERY
SIZE"C"
4PCS. 6V
(IEC DESIGNATION)
DC IN 6V
(CD73:UK,IT)
CD73V
CD73: CND
(L-CH)
(R-CH)
10µH
47µH
µCDM GND
47µH
(Page 23)
(Page 29)
(Page 29)
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