Sharp CD-C5H Service Manual page 22

CD-C5H,CP-C5H
SO301
ANTENNA
TERMINAL
FE301
75ohm
8
FM FRONT END
2 6 7 3
AM LOOP ANTENNA
CNP301
T301 LW ANTENNA
L341
1
BALUN
T302 MW ANTENNA
2
AM RF
23 22 21 20
ICT21
LC72720
RDS MICROCOMPUTER
2 4
3
SURROUND
CENTER
MUTE
QP07
QT05 S.W MUTE
QP08
JT03
PRE OUT
SUPER WOOFER
1
4
JT01
VIDEO/AUX1 VIDEO/AUX2
INPUT INPUT
–B6
L-CH R-CH L-CH R-CH
TO
L
7
OUT
CENTER/REAR
1
R
AMP UNIT
ICP02
NJM4565M
LINE AMP.
FROM CD UNIT
+B6
MOTOR
MM1
DRIVER
TAPE MOTOR
QM02
M
QM01
PHM1/PHM2
DRIVER
+B6
SWE2
TAPE1 CrO
2
SWE5
TAPE2 CrO
2
SWE7/SWE8
TAPE2 SIDE A FP/
SIDE B FP
SWE1
TAPE1 PLAY
QM03
SOL1/2
QM04
SOLENOID
DRIVER
SWE4
TAPE2 PLAY
HI SPEED
Q101
SWITCHING
Q102
PLAYBACK HEAD
L-CH
TAPE 1
R-CH
P.B
RECORD/PLAYBACK REC REC/PB
P.B
HEAD
Q103 Q105
L-CH
TAPE 2 Q104 Q106
R-CH
Q109
AC BIAS
Q110
VR101
VR102
BIAS
AJDUST
ERASE
HEAD
FM IF
AMP
FM IF FM IF
1 Q301
CF301 CF302
5
FM +B
4
FMOSC
AM OSC
T305
T306
15 14
13
12
+B7
TAPE MOTOR
8
6
ICT02
5
NJM4558MF
LINE AMP.
+B7
IN
8
L
5
3
R
4
QM21 Q501
SWITCHING
–B6
Q502
TAPE MOTOR T2 CrO
2
HI SPEED
QM08
SWITCHING
T1/T2 RUN PLS
PB-EQ Q142
Q143
T1 CrO
2 Q144
Q141
T2 CrO
2
FULL PROOF
T1 PLAY
Q139 Q113
T1/T2 SOLENOID
QM20
Q140
Q114
QM22
SWITCHING
T2 PLAY
IC101 AN7345K
PLAYBACK&RECORD
PLAYBACK AMP.
L(T1) 1
P.B
P.B.
R(T1) 24
4 L
L(T2) 2
21
R
R(T2) 23
3 5
L NF
4 20
R NF
REC
H/N
T1/T2
POP REDUCE 6
L
7
REC
18
R
L REC 9
R REC 16
L NF
8
R NF
Q107 17
REF 14
Q108
+B7
13
NOR/
HIGH T1/T2
12
10 6
Q127
Q111
T1/T2
SWITCHING Q119
HI SPEED
SWITCHING
Q126
Q125
SWITCHING
REC
Q128
L104
BIAS OSC.
Q131
Q132
BEAT CANSEL
Figure 22 BLOCK DIAGRAM (2/3)
+B7
AM IF
T351
FM IF IN
4
1 2 3
VR351
IN
OUT REG
FM MUTE LEVEL
IC303 LA1832
FM IF DET./FM MPX./AM IF
AM OSC
24 23 22 21 7 13
X352
4.5MHz
+B7
20 1 22 15 16 11 10
FM
OSC
7
Q360
IC302 LC72131
PLL CONTROLLER
3 4
5
Q371
T1/T2
CD MUTE
PB MUTING
QD01
QD02
MUTING
DOLBY
ON/OFF
5
2
+B7 VCC
SWITCHING
15 GND
SIDE
QD06
CHAIN
L
11
6
R
SWITCHING
QD09
QD07
QD10
QD08
SW
L
14
VREF
3
R
VRD01 BIAS
VRD03 L 16
VRD02
VRD04 1
R
PLAY-BACK
ADJUST
ICD01
MUTING
Q121 HA12134AF
Q122
DOLBY NR
T2 CrO
2
Q153
Q147
Q148 Q154
VR151
VR152
REC-SENS
ADJUST
HI SPEED
BAIS
Q124 Q126
BAIS
SWITCHING
SWITCHING
BEAT CUT
– 22 –
SM
AMP
QT21
LOW PASS
L354
FILTER
5 8 9
17 19 20 18 16
GND VCC OUT
IN
IF OUT
6 10 11 12 14 15
SD L R
MUTING
MPX
MPX Q353
VCO
Q354
PHASE
CUT
TUNER
MUTE
VOLTAGE
REGURATER
+B7
Q361
+B8
+5V
13 12 17
7
6
21
7
DOLBY
REC
MUTE
L251
MPX.FILTER
L252
SURROUND
OUT
CD L
55
57
R
L
TAPE
53
R
59
L
TUNER
54
R
58
AUX1 L 51
61
R
AUX2 L 52
60
R
DOLBY
REC/PLAY
12
L
9
8
R
10
7
DET
ICD03
BA3311L
QD03
REC./P.B.
4
EQUALIZER
AMP.
13
2
ALC
OUT
L
L 1 IN
5
9
12 R
R
3 L
+B7 8 VCC NF
11
R
GND
7 6
L
R
2 3
10 9
IC452
BU4066BC
SRS MODE
SELECTOR
5 6
12
Q152
Q451
SWITCHING
+B7
IN IN
8 OUT
L L L
3 1 45
R 5 7 R R
46
4
ICS03
NJM4565M
PRO LOGIC AMP.
TUNER
IC502/IC503/IC504
NJM4558MF
OPE AMP.
SPE1
2 1
–B6
4
8 B.P.F
TAPE MOTO
T1 SOLENO
6 7
T1 C
T1 R
T1 PLAY/ST
HIGH SPE
T2 SOLENO
IC502(1/2)
T2 A
+B8 T2 PLAY/ST
8
T2 R
6
T2 B
T2 C
SPE IN
REC MU
T1/
TA-BI
REC-
PB-
BEAT C
TA
D ON
DOLBY REC/P
PB MUTI
SPE
CENTER
OUT
SURROUND CE
OUT
IN
20 28 14 34 18 30
IC501 LC7539
AUDIO PROCES
GRAPHIC EQUA
45 10 46 11
IN
Vref LVref RVref 8
42 7 43
4 40 5
48 64 22 27 21 39
L R 36 1 2
37
L R L R
R IC451
17
L
18 SRS5250AS1
R L
SRS
1 11
R
4
1
11 10 25 2
8
L
Q46
Q467
Q461
Q46
13
VOLTAGE
REGULATOR
SWITCHING
+B7
Q463
SWIT