CD-C411H (serv.man13). Block diagrams - Sharp Audio Service Manual (repair manual). Page 2

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CD-C421H / C411H
– 18 –
 Figure 18 BLOCK DIAGRAM (2/3)
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3
22
7
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28
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10
11
12
13
19
21
22
23
31
67
5
6
7
2
15
14
20
21
23
22
13
12
4
5
1
3
7
6
8
17
15
14
11
12
16
18
12
10
13
6
13
10
7
21
22
23
24
20
3
29
17
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8
5
4
2
7
5
4
3
6
21
1
20
11
15
16
1
2
ICT21
LC72720
RDS
VDDA
VSSA
AM ANT.
AM OSC.
L341
BALUN
X352
4.5MHz
IC302
LC72131
PLL(TUNER)
FM IF DET/FM MPX/AM IF
IF
OUT
IC303
LA1832
+B4
CF351
X351
+B4
MPX
PHASE
Q361
SO301
ANTENNA
TERMINAL
AM
ANTENNA
+B4
CD RES
T1 RUN
T2 RUN
TACUM SW
AFP
T1 RUN
T2 RUN
MECHA STOP
FOOL PROOF
CD SL–
CD SL+
CD CQCK
CD COIN
CD SQOUT
CD WRQ
CD RWC
CD PUIN
CD DRF.
SM
SM
L354
LOW PASS
FILTER
TUNER MUTE
SD
VOLTAGE
REGURATER
+B4
+5V
QT21
VF2
(AC)
FL701
TA MOT SW
TA SOL
VSSD
VDDD
X IN
X OUT
MPX
IN
AMP.
FM +B
DO
CL
DI
CE
XT21
4.332MHz
XT21
VT
T306
T302
CF302
DO
CE
CL
DI
CF301
FM FRONT END
FE301
Q360
Q371
Q602
Q601
MUTING
MPX
VCO
CUT
R
L
Q353
Q354
MPX
IN
FM/AM
OUT
IF IN
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
VR351
FM MUTE LEVEL
AM OSC
REG
IN
OUT
VCC
FM IF IN
AMP
FM IF
Q301
FM IF
FM
OSC.
STEREO
AM IN
FM IN
FMOSC
T351
AM IF
GND
OSC.
FM
FM IF
AM RF
SWM4
F.A.S
SWM3
FOOL PROOF
SWM5
MM1
TAPE
MOTOR
M
SOLM1
+B5
SOLENOID
PHM1
CAM
L
SO401
AUX IN
CNP303
R
R
L-CH
R-CH
PB HEAD
1
2
3
4
L NF
L (T1)
R (T1)
L (T2)
R (T2)
R NF
4
5
13
21
24
23
18
17
10
19
15
12
14
16
20
H/N
6
7
8
9
T1/T2
POP REDUCE
L REC
R REC
R NF
REC
L NF
P.B.
REC
L-CH
R-CH
REC/PB
HEAD
ERASE
HEAD
BIAS
OCS
REF
ALC
HIGH
NOR/
T1/T2
PLAYBACK&RECORD/
PLAYBACK AMP.
IC501
AN7345K
L
R
P.B
R
R
L
L
L
TAPE
VIDEO
TUNER
CD
FROM CD SECTION
FROM CD SECTION
Q571
L501
Q566
Q565
BIAS
Q511
Q514
~
P.B
REC
AC BIAS
Q515
Q516
Q583
Q581
Q584
Q582
T1/T2
MUTING
REC MUTE
Q575
Q576
REC/P.B.
+B4
+B4
+B4
L
R
TAPE 1
TAPE 2
R
L
SWITCHING
SWITCHING
SWITCHING
SWITCHING
TO CD SECTION
16
33
17
32
19
30
21
28
CL
SWITCHING
BIAS
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