Sharp CD-ES222E (serv.man3) Service Manual ▷ View online
CD-ES222H/ES222E
– 16 –
•
The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
1. In the tuner section,
sis with no signal given.
1. In the tuner section,
indicates AM
indicates FM stereo
indicates FM stereo
2. In the main section, a tape is being played back.
3. In the deck section, a tape is being played back.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
3. In the deck section, a tape is being played back.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
•
Parts marked with “
1
” ( ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
•
Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
•
Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means pico-farad and the unit of the capacitor
without such a symbol is microfarad. As to electrolytic
capacitor, the expression “capacitance/withstand voltage”
is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
symbol P means pico-farad and the unit of the capacitor
without such a symbol is microfarad. As to electrolytic
capacitor, the expression “capacitance/withstand voltage”
is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
•
Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
notice.
TYPES OF TRANSISTOR AND LED
REF. NO
DESCRIPTION
POSITION
SW711
MEMORY/SET
ON—OFF
SW712
TUNING/TIME DOWN
ON—OFF
SW713
TUNING/TIME UP
ON—OFF
SW714
TIMER/SLEEP
ON—OFF
SW715
CLOCK
ON—OFF
SW719
EQUALISER
ON—OFF
SW720
VOLUME UP
ON—OFF
SW721
VOLUME DOWN
ON—OFF
SW722
TUNER(BAND)
ON—OFF
SW723
CD
ON—OFF
SW724
REC/PAUSE
ON—OFF
SW801
TAPE2 INITIALIZE
ON—OFF
SW802
TAPE1 INITIALIZE
ON—OFF
SW803
TAPE2 REC
ON—OFF
SW1
PICKUP IN
ON—OFF
SW401
DISC UP/DOWN
ON—OFF
SW402
OPEN/CLOSE
ON—OFF
SW403
DISC NO.
ON—OFF
SW404
DISC 1
ON—OFF
SW701
X-BASS/DEMO
ON—OFF
SW702
ON/STAND-BY
ON—OFF
SW703
OPEN/CLOSE
ON—OFF
SW704
DISK SKIP
ON—OFF
SW705
VIDEO/AUX
ON—OFF
SW706
TAPE
ON—OFF
SW707
PRESET DOWN
ON—OFF
SW708
PLAY/REPEAT
ON—OFF
SW709
PRESET UP
ON—OFF
SW710
STOP
ON—OFF
REF. NO
DESCRIPTION
POSITION
(1) (2) (3)
(S) (G) (D)
E C B
FRONT
VIEW
2SB562 C
KRA102 M
KRA107 M
KRC102 M
KRC104 M
KRC107 M
KRA102 M
KRA107 M
KRC102 M
KRC104 M
KRC107 M
KTA1266 GR
KTA1271 Y
KTC3199 GR
KTC3203 Y
2SC535 C
2SC2001 K
KTA1271 Y
KTC3199 GR
KTC3203 Y
2SC535 C
2SC2001 K
KDV147B
SVC348S
SVC348S
1
2
3
– 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)
CD-ES222H/ES222E
– 18 –
Figure 18 BLOCK DIAGRAM (2/5)
Q807,Q808
Q813,Q814
Q813,Q814
Q821
Q822
Q823
Q822
Q823
Q801
Q803
Q803
Q810
Q811
Q811
Q812
Q819
Q819
DO
CL
DI
CE
MO/ST
SWITCHING
SWITCHING
FM/AM
IC302
LC72131
PLL(TUNER)
FM/AM
OUT
P.B.
REC
L
R
PB
CNP205
FROM
CD SECTION
CNS205
TAPE 2
ERASE
HEAD
TAPE 2
PLAYBACK
HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
P.B
R
L
R
L REC
L NF
R NF
ALC
REC
REF
R REC
L REC
R NF
L NF
SWITCHING
L(T2)
R(T2)
R(T1)
L(T1)
IC801
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
R
L
FM/AM
MPXIN
IF OUT
FM IN
AM IN
MUTE
AM RF IN
AM OSC IN
AM OSC
OUT
FM
Q360
Q802
Q815
Q818
Q804
Q817
Q805
Q816
Q820
Q809
BIAS CONT
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
VT
FM OSC
OSC BUFF
OSC
X352
4.5 MHz
AM BAND
COVERAGE
AM TRACKING
T302
Q302
Q351
FM MUTE
LEVEL
X351
456 kHz
MO/ST
VCO
FM
DET
VCC
GND
AM IF
CF351
DZH05C2+
AM IF
IC303
LA1832S
IC303
LA1832S
FM IF DET./
FM MPX./AM IF
AM MIX
CF352
T351
FM RF
FM
OSC
L302
CF303
T304
FM IF
FM IF
IC301
TA7358AP
FM FRONT END
BF301
CNP301
FM
ANTENNA
AM LOOP
ANTENNA
22
3
3
9
8
10
18
1
2
20
19
7
18
10
8
17
13
21
4
5
2
24
23
6
9
16
14
12 11
15
1
5
1
3
8
4
3
2
1
2
3
1
21
7
9
8
5
6
21
2
1
20
22
11
17
15
16
9
6
5
7
13
14
12
15
16
23
24
4
10
STEREO
SD
7 6
+B3
+B2
+B2
+B2
+B2
+B2
FM
4
T306
L303
VR351
17
FRO
DISPLAY
CNS
FROM
DISPLAY SECTION
CNS803
M
M801
TAPE
MOTOR
SW801
INITIALIZE
SW803
REC
SOL801
SOLENOID
TAPE 1
SW802
INITIALIZE
SOL802
SOLENOID
CF302
RECORD/
PLAYBACK HEAD
B.P.F
Q306
L
L
R
R
R
L
TAPE
TUNER
CD
R
L
AUX
Q806
2
3
4
5
6
7
CL
DI
CE
DO
FM ST
SD
5
4
3
2
1
10
9
8
7
6
T1_SOL
T1_RUN_PLUS
T2_RUN_PLUS
T_MOTOR
CH_SW
BIAS
TAPE_SW
T2_SOL
REC
REC/PLAY
PHOTE INTERRUPTER
PHOTE INTERRUPTER
U_CON5V
SOLENOID
DRIVER
TAPE MOTOR
DRIVER
SOLENOID
DRIVER
CNP202
CNP803
– 19 –
CD-ES222H/ES222E
SO101
SPEAKER
TERMINAL
R-OUT
L-OUT
RLY101
+B5
+B1
+B2
+B2
–B1
SYSTEM
MUTE
Q101
Q102
Q102
Q103
Q104
Q104
Q108
Q109
Q109
Q105
Q106
Q106
+VCC
–VCC
PRE
–VCC
PRE
+VCC
IC101
STK40205
POWER AMP.
SO601
VIDEO/AUX IN
7
6
4
1
15
10
11
11
+B4
+5.6 V
A_12V
CD_7V
CD+B
+B2
+B3
8
9
12
L
R
JK101
HEADPHONES
FROM
DISPLAY SECTION
CNS202
FROM
DISPLAY SECTION
CNS102
FROM
DISPLAY SECTION
FROM
POWER SECTION
FROM
CD SECTION
CNS204
Q107
Q208
+B5
+B4
CD_+B
MUTE
SIGAL_LVL
SP_RLY
SP_DETECT
FAN_PRT
CL
CE
DI
L
R
L
L
R
R
R
L
TAPE
TUNER
CD
IC601
LC75341M
AUDIO PROCESSOR
21
4
24
2
1
8
18
17
11
3
15
10
R
L
AUX
16
9
7
23
14
12
13
12
13
+B2
+B3
+B3
6
5
4
3
2
1
6
7
5
4
3
2
1
1
2
3
4
5
CL
CL
DI
DI
CE
DO
DO
+7V
D_GND
M_GND
D_GND
202
CNP204
CNP102
Figure 19 BLOCK DIAGRAM (3/5)