CD-C3H (serv.man7). Section 2 - Notes on diagrams and block diagrams - Sharp Audio Service Manual (repair manual). Page 3

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CD-C3H/CP-C3H
– 22 –
 Figure 22 BLOCK DIAGRAM (2/3)
+B7
+B7
SIDE
CHAIN
SW
BIAS
 
BUF
CENTER
SURROUND
SURROUND
CENTER
MUTE
S.W MUTE
QT05
QT01
QT02
ICT02
NJM4558F
LINE AMP.
ICS03
NJM4565M
PRO LOGIC
AMP.
+B7
R
L
IN
SPE
OUT
CENTER
OUT
SURROUND
OUT
ICT01
NJM4558F
LINE AMP.
OUT
IN
R
L
+B7
–B6
R
L
OUT
IN
+B7
–B6
SUPER
WOOFER
OUT
JT03
PRE OUT
JT02
PRE OUT
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72720
RDS MICROCOMPUTER
R
L
R
L
JT01
VIDEO/
AUX-2
VIDEO/
AUX-1
CD MUTE
Q72
Q71
FILTER
L252
L251
AUX2
AUX1
L
L
TAPE
R
TUNER
R
R
L
R
X351
456kHz
FM IF
CF351
+B7
+B7
+B7
+B7
SM
SD
VOLTAGE
REGURATER
+5V
QT21
AMP.
FM +B
XT21
VT
T306
T302
T305
T301
L341
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
S0007AW
Q360
MPX
VCO
CUT
R
L
Q354
Q353
PHASE
MPX
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832
FM/AM IF+MPX
IF
OUT
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
1
2
3
4
5
8
9
17
19
20
18
16
15
14
12
11
10
6
7
13
21
22
23
24
FM IF
AMP
Q301
FM IF
FM
        X352
4.5MHz
OSC
STEREO
IC302
TC72131
PLL CONTROLLER
IN
AM
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
BALUN
0051
AM OSC
VOLTAGE
REGULATOR
AM ANT
AM RF
SPE IN
IC502(1/2)
B.P.F
IC502/IC503/IC50
+B8
AM LOOP ANT
BEAT CANSEL
BEAT CUT
SWITCHING
SWITCHING
VOLTAGE
REGULATOR
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
Q461
R
L
L
R
IC452
BU4066BC
R
L
REC
+B7
Q461
RVre
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
T2 F-REC
SWE8
T2 R-REC
T1/T2 PLAY
SWE1/E4
T1/T2 PLAY
SWE2/E5
T1/T2 CrO
2
T1/T2 CrO
2
SWITCHING
HI SPEED
HI SPEED
Q126
HI SPEED
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
T2 CrO2
IC101
AN7345K
PLAYBACK&RECORD AMP.
SOL1/2
SOLENOID
MOTOR
DRIVER
M1F
TAPE MOTOR
QM02
QM01
QM08
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
QD09
QD10
QD07
QD08
QD06
QD02
QD01
DOLBY
ON/OFF
ICD01
HA12134A
DOLBY
DOLBY
REC/PLAY
SWITCHING
QD03
ICD03
BA3311L
ALC AMP.
R
R
R
R
L
L
L
L
PB MUTE
MUTING
Q121
Q122
R
R
R
L
L
L
SR
FROM CD UNIT
T1/T2
NOR/
HIGH
REC
P.B.
T1/T2
H/N   
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
HEAD
REC/PB
R-CH
L-CH
PB HEAD
L-CH
R-CH
CD
R
L
L
TUNER MUTE
MUTING
SO301
ANTENNA
TERMINAL
3
5
1
8
4
7
3
7
4
6
4
4
6
7
2
8
6
7
3
4
1
5
4
3
6
4
4
7 6
7
L
9
3
6
3
9
9
6
4
3
14
28
20
55
57
53
59
54
58
51
61
52
60
48 64
22
27
3
5
21
8
17
12
13
10
11
16
15
22
20
7
1
8
1
5
1
5
8
1
8
4
5
7
21
20
18
17
10
11
19
15
12
13
14
16
23 
24
2
1
2
5
8
13
10
12
15
11
14
16
9
9
5
11
8
1
2
12
8
1
9
2
3
5 6
10
11
13
12
1
17
18
3
2
4
23
22
21
20
15
14
13
12
2
8
1
8
6
7
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