Sharp CD-C440W Service Manual page 14

CD-C440W/CP-C440W
8
FM FRONT END
FM
2 6 7
AM
SO301
ANTENNA
TERMINAL
AM RF
AM ANT
T302
FROM CD UNIT
MM1
TAPE
MOTOR
M
REC FWD
SWM3
REC RVS
SWM4
CAM SW
SWM6
FAS SW
SWM5
PHM1
SOLENOID
SOLM1
PB HEAD
TAPE 1
L-CH
R-CH
REC/PB
HEAD
TAPE 2
L-CH
R-CH
ERASE
HEAD
FE301
1
5
3 4
VR351
FM MUTE LEVEL
FM OSC
AM OSC
T306
4.5MHz
+B3
FM
Q360
7
+B2
MOTOR
DRIVER
TA MOT SW
QM02
HI SPEED
QM01 QM04
DRIVER
SWITCHING
TA MOT H/L
QM05
DRIVER
T2 A/B-FP
T2 A/B-FP
TA CUM SW
T1 RUN SW
T2 PH-IN
+B2
T2 PH-OUT
TA PUL
QM03
DRIVER
AN7345K
PLAYBACK&RECORD AMP
L(T1)
P.B 1
R(T1) 24
L(T2)
2
R(T2)
23
REC REC/PB
3
L NF
P.B
4
Q103 Q105 R NF
T1/T2
Q104 Q106
POP REDUCE 6
REC
L REC 9
R REC
16
AC BIAS
Q107
REF 14
Q109
Q108
+B7
13
NOR
/HIGH
12
15
Q110 Q111
Q128
L103
Figure 14 BLOCK DIAGRAM (2/3)
+B3
+B3
CF351 X351
FM IF
AM IF
CF302
T351
FM IF IN
1 2 3 4 5 8 9
17
OUT REG IN GND VCC
IC303 LA1832
FM IF DET/FM MPX/AM IF
AM
OSC
6
24 23 22 21 7 13 10 11
IF
OUT
MPX
PHASE
VOLTAGE
REGURATER
+B3
X352
+5V
1
20 22 15 16 11 10 13 12 17
OSC
IC302
TC72131
PLL(TUNER)
3 4 6
5 21
CD MUTE
Q83
Q84
HI SPEED
PB MUTE
Q117
IC101
Q118
MUTING
P.B.
P.B REC MUTE
4 L
Q121
21 R
Q122
MUTING
5
20
H/N
7 L REC
R SWITCHING
18
Q115
8 L NF
Q116
17
R NF
10 ALC
Q119
T1/T2
19
SWITCHING
T1/T2
REC/PB
SWITCHING SWITCHING
BAIS
Q124
– 14 –
SM
19 20 18 16
FM/AM MPX
OUT IN
12 14 15
L R
MUTING
MPX
Q353
VCO
Q354
CUT
TUNER MUTE
SD
71
REC MUTE
80
HI SPEED
8
76
BIAS
72
T1/T2
70
PB MUTE
69
T2 B-FP
68
T2 A-FP
67
TA MOT SW
51
TA PUL
50
TA MOT H/L
49
TA CUM SW
31
T2 PH-OUT
23
T1 RUN
22
REC/PB
2
24 25
23 56
VDD
CD L
55
R 57
TAPE L
53
R 59
TUNER L
54
R 56
AUX L
52
R 60
AUX L
51 FRONT
IN
R 61
48 64
LTIN RTIN
L R L R
J501
IN
VIDEO1 VIDEO2
L-IN
Q461
+B3
Q126
SPACE CONT
FL701
41 40 37 8 6 5
VP
VF2
(AC)
+B1
8 14 15 16 17 18
48 33 20 52 30 29
IC601
IX0171AW
MICROCOMPUTER
45 39 46 44 66 65 64 63 61 60 5
+B3
14 30 34
IC501
LC75396E
AUDIO PROCESSOR
GRAPHIC EQUALIZER VO
VSS
49 63 26 4 44 5 43 6 42
L R
L R L R
X-BASS
R-IN
Q468
R-OUT L-OUT
Q469
17 18
IC451
1 VCC
L-IN
27
Q466
SRS5250S R-IN 28
Q467
15 VDD
SRS
MODE 26
PASS
11 10 25 24
SRS STEREO
Q463
SRS MONO
MODE1-5
Q458
MONO
~
CENTER CONT
Q460
IC453(1/2) IC453(1/2)
BU4052BU