Sharp CD-C440W Service Manual page 14

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