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CD-ES222E (serv.man3). Notes on schematic diagram, Types of transistor and LED, Block diagram, Schematic diagram Wiring side of P.W.Board, Waveforms of CD circuit, Voltage. - Sharp Audio Service Manual (repair manual). Page 2

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– 17 –
CD-ES222H/ES222E
LINE
FILTER
LF901
SO901
RELAY
RLY901
T101
POWER TRANSFORMER
–30 V
VF2
VF2
VF1
VF1
–B2
+B5
+B1
–B1
Q206
D905~D908
D901~D904
F903
T1.6A L 250V
F901
T3.15A L 250V
F902
T3.15A L 250V
+B4
IC203
KIA7808API
VOLTAGE
REGULATOR
+B3
DGND
+5.6 V
+5.6 V
IC201
KIA7805API
VOLTAGE
REGULATOR
A_12V
CD_7V
CD+B
+B2
+B3
IC202
KIA7812API
VOLTAGE
REGULATOR
FROM
DISPLAY SECTION
TO POWER AMP.
IC101
+B1
–B1
TO POWER AMP.
IC101
CNS901
FROM
DISPLAY SECTION
CNS901
Q901
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q207
SO901
AC  POWER
SUPPLY  CORD
T901
POWER TRANSFORMER
(MAIN)
T902
POWER TRANSFORMER
(SUB)
–30 V
VF2
VF2
VF1
VF1
–B2
+B5
Q206
D905~D908
D913~D916
D901~D904
F903
T1.6A L 250V
F901
T3.15A L 250V
F902
T3.15A L 250V
AC  POWER
SUPPLY  CORD
AC INPUT
SOCKET
AC  230V, 50 Hz
+B4
IC203
KIA7808API
VOLTAGE
REGULATOR
+B3
DGND
P_CONT
P_CONT
+5.6 V
+5.6 V
IC201
KIA7805API
VOLTAGE
REGULATOR
IC901
AN78L05
VOLTAGE
REGULATOR
A_12V
CD_7V
CD+B
+B2
+B3
IC202
KIA7812API
VOLTAGE
REGULATOR
Q901
Q902
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q207
5
4
3
2
1
AC 230-240 V, 50 Hz
5
6
4
3
2
1
CD-ES222E
CD-ES222H
CNP901
CNP901
 Figure 17 BLOCK DIAGRAM (1/5)
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