CD-C1H (serv.man2). Diagrams 1 - Sharp Audio Service Manual (repair manual). Page 3

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CD-C1H/CP-C1H
– 22 –
 Figure 22 BLOCK DIAGRAM (2/3)
+B7
+B7
SIDE
CHAIN
SW
BIAS
BUF
X351
456kHz
FM IF
CF351
+B7
+B7
+B7
+B7
SM
SD
VOLTAGE
REGULATER
+5V
QT21
Q361
Q371
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
AMP
FM +B
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72720
RDS MICROCOMPUTER
VT
T305
T306
T301 LW ANTENNA
T302 MW ANTENNA
L341
BALUN
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
Q360
MPX
VCO
CUT
R
L
Q353
Q354
MPX
PHASE
IN
MPX
OUT
FM/AM
IF IN
FM IF DET/FM MPX./AM IF
IC303    LA1832
IF
OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
VR351
FM MUTE LEVEL
AM OSC
REG
IN
OUT
VCC
VSM
FM IF IN
FM IF
AMP
Q301
FM IF
FM
4.5MHz
X352
OSC
STEREO
IC302
TC72131
PLL CONTROLLER
IN
AM
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
AM OSC
AM RF
SPE IN
IC502(1/2)
+B8
B.P.F
IC502/IC503/IC504
OPE AMP
+B8
–B6
AM LOOP ANTENNA
JT01
VIDEO/AUX
INPUT
MPX.
FILTER
L251
L252
BEAT CANSEL
BEAT CUT
SWITCHING
SWITCHING
BAIS
Q131
Q132
BIAS
AJDUST
VR101
VR102
BAIS
Q126
BIAS OSC.
Q124
Q128
L104
ERASE
HEAD
REC
Q125
VREF
DET
VCC
GND
VCC
GND
ALC
OUT
IN
NF
Q452
Q4
Q451
R
L
L
R
IC452
BU4066BC
SRS MODE
SELECTER
R
L
REC
+B7
Q461
RVref
LVref
Vref
IN
L R
VRD03
VRD04
R
L
REC
MUTING
Q153
Q154
Q147
Q148
HI SPEED
& CrO
2
HI SPEED & NOR
Q139
Q140
Q113
Q114
PB-EQ
Q142
Q143
Q144
Q141
T2 CrO
2
T1/T2
Q149
Q150
T2 R-REC
T2 F-REC
SWE7
TAPE2
SIDE A FP
SWE8
TAPE2
SIDE B FP
T1/T2 PLAY
SWE1/E4
TAPE1/2 PLAY
SWE2/E5
TAPE1/2 CrO
2
T1/T2 CrO2
SWITCHING
HI SPEED
HI SPEED
Q126
Q119
HI SPEED
T2 CrO2
IC101
AN7345K
PLAYBACK&RECORD PLAYBACK AMP
SOL1/2
SOLENOID
MOTOR
DRIVER
MM1
TAPE MOTOR
QM02
QM01
QM08
QM20
QM22
QM03
QM04
PHM1/PHM2
DRIVER
TAPE MOTOR
HI SPEED
SWITCHING
T1/T2 RUN PLS
T1/T2 SOLENOID
+B6
+B6
DRIVER
M
T1/T2
REC-SENS
ADJUST
VR151
VR152
Q127
PLAY-BACK
ADJUST
VRD01
VRD02
CD MUTE
QD09
QD10
QD07
QD08
QD06
QD01
QD02
DOLBY
ON/OFF
ICD01
HA12134AF
DOLBY NR
DOLBY
REC/PLAY
SWITCHING
QD03
ICD03
BA3311L
REC./P.B
EQUALIZER AMP.
R
R
R
R
L
L
L
L
PB MUTING
MUTING
Q121
Q122
R
R
R
L
L
L
IC4
SRS52
SR
FROM CD UNIT
T1/T2
NOR/
HIGH
REC
P.B.
T1/T2
H/N
Q501
Q502
P.B
+B7
REF
L NF
REC
R
L
R NF
R REC
L REC
POP REDUCE
R
L
R NF
R(T2)
L(T2)
R(T1)
L(T1)
L NF
TAPE 1
TAPE 2
Q111
Q107
Q108
Q110
Q109
Q103     Q105
Q104     Q106
REC/PB
REC
P.B
AC BIAS
P.B
RECORD/
PLAYBACK
HEAD
R- CH
L-CH
PLAYBACK
 HEAD
L-CH
R-CH
AUX
TUNER
TAPE
CD
AU
R
L
L
R
R
L
R
L
TUNER MUTE
MUTING
SO301
ANTENNA
TERMINAL
7
6
4
6
7
4
3
4
3
7
2
1
2
3
17
9
4
7
4
3
6
4
4
7
9
3
6
7
4
9
6
4
3
6
8
5
1
2
1
5
8
19
20
18
16  
15
14
12
11
10
6
13
7
21
22
23
24
5
1
20
22
15
16
11
10
13
12
17
21
2
23
22
21
20
15
14
13
12
1
2
8
8
11
1
18
17
8
1
9
11
13
12
10
6
5
3
2
5
9
3
11
6
7
8
1
2
12
5
2
1
8
10
13
16
14
11
15
12
21
20
5
18
17
10
11
8
19
15 
13
12
14
16
2
1
23
24
55
57
53
59
54
58
51
61
48 64 22
27
21
34
14
CNP301
L-CH R-CH
75ohm
L354 LOW PASS
FILTER
QM21
VOLTAGE
REGULATER
SWITCHING
+B7
SWITCHING
TAPE MOTOR
DOLBY
REC MUTE
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
VOLTA
REGULA
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