Sharp CD-C470E, Руководство по обслуживанию

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CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
– 20 –
Figure 20 BLOCK DIAGRAM (2/3)
17 18
15
1
10 11 24 25
26
27
28
10 9
8
8
14 34
4 3
22
7 75
64
65
66
14 15 16 17 18
37
8 6 5
40 41
33 20 48 71
8
29 30 52
37 38 39 45
41 42 43
2
22
23
31
49
50
51
67
68
69
70
72
76
80
24 23
15
16
13
1
17
2
3
4
14 7
34
35 36 37 38
42
41
40
10 9
56 25 24 23
61
51
60
52
54
59
53
57
55
63 49 30 18 42
6
43
5
42
4
26 64 48
2
15 14 20 21 23 22 13
12
4
5
1
3
7
6
8
14
13
19 15
10
12
16
9
8
18
17
7
6
20
5
21
4
4
3
23
2
24
1
17
15 14 11 12
16 18
12
10
13
6 13
10
7 21 22 23 24
20 3 29 17 9 8 5 4 2
7
5 4 3 6 21
1 20 11
15 16
1
2
58
57 61
IC453(2/2)
FUNCTION
SELECTOR
Q461
IC453(1/2)
BU4052BC
FUNCTION
SELECTOR
IC451
SRS5250S
SRS
Q46
Q45
L-OUT
R-OUT
+B3
VDD
VCC
MODE1-5
MONO
PASS
SRS STEREO
SRS MONO
MODE
R-IN
L-IN
Q46
Q46
Q46
Q46
Q46
R NF
L NF
R
L
REC
PB MUTE
MUTING
REC MUTE
MUTING
SWITCHING
T1/T2
REC/PB
BAIS
+B2
SWM4
REC RVS
SWM3
REC FWD
SWM5
SWM6
MM1
TAPE
MOTOR
M
J501
C-OUT
ENEBLE
ENEBLE
+B3
Q83
Q84
ICT21
LC72720
VDDA VSSA
MW/LW
ANT.
MW/LW
OSC.
L341
BALUN
X352
4.5MHz
IC302
TC72131
PLL(TUNER)
FM IF DET/FM MPX/AM IF
IF
OUT
IC303
LA1832
+B3 CF351 X351
+B3
MPX
PHASE
Q361
SOLENOID
F/R SPEED
RUN PULSE
DATA ENEBLE
~
~
SO301
ANTENNA
TERMINAL
AM LOOP
ANTENNA
Q129
Q130
BEAT CUT
BAIS
BEAT CUT
R-OUT L-OUT
C-I S-IN
+B3
SRS BALANCE 4CH SP
MAIN
STB
CLEAR
MAIN SI
MAIN SO
MAIN SCK
SM
TUNER MUTE
SD
VOLTAGE
REGURATER
+B3
+5V
QT21
VP
VF2
(AC)
FL701
IC601
IX0171AW
MICROCOMPUTER
+B1
R-MUTE C-MUTE S-MUTE POWER
CAM SW
CLK
CAM SW
TA MOT SW
REC/PB
F.A.S
REC FWD
REC RVS
PB MUTE
T1/T2
BIAS
HI SPEED
REC MUTE
R-IN
L-IN
S-OUT
R-MIX OUT
L-MIX OUT
+B3
A-GND
IC202
LV1016
D-GND
VREF
S-IN R-IN
L-IN
VCC
CL
DI
VREF BUFFER S-OUT R-OUT L-OUT VCC
DI
CL
IC201
LA2786
VDD
VSS
CL CE
DI
DRIVER
RUN PULSE
SOLM1
+B2
SOLENOID
SOLENOID
QM03
PHM1
FAS SW
CAM SW
F.A.S
REC RVS
REC FWD
SWM2
T2 CrO 2
SWM1
T1 CrO
2
T2 CrO 2
T1 CrO
2
MOTOR
DRIVER
DRIVER
DRIVER
QM02
TA MOT SW
HI SPEED
TA MOT H/L
QM05
+B2
QM04 QM01
SWITCHING
SWITCHING
Q119
Q115
Q116
HI SPEED
Q117
Q118
Q121
Q122
L
R
VIDEO2 VIDEO1
R L
IN
R L
L
R
R
L
L
R
R
L
FRONT
IN
CENTER
REAR
IN
X-BASS
RTIN LTIN
VSSD
VDDD
X IN
X OUT MPX IN
AMP.
FM +B
DO
CL
DI
CE
XT21
4.332MHz
XT21
VT
T305
T306 T301
T302
CF302
P.B
+B7
REF
T1/T2
NOR/
HIGH
ALC
REC
P.B.
PLAYBACK&RECORD AMP.
IC101
AN7345K
R REC
L REC
POP REDUCE
R
L
R NF
R(T2)
L(T2)
R(T1)
L(T1)
L NF
Q124 Q126
SWITCHING SWITCHING
DO
CE
CL
DI
CF301
FM FRONT END
FE301
Q360
MUTING
MPX
VCO
CUT
R L
Q353
Q354
MPX
IN
FM/AM
OUT
IF IN
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
AMP
FM IF
Q301
FM IF
FM
OSC.
STEREO
AM IN
FM IN
FMOSC
T351
AM IF
GND
OSC.
FM
FM IF
AM RF
CD MUTE
FROM CD UNIT
IC501
LC75396E
AUDIO PROCESSOR
TAPE 1
TAPE 2
CD-C480H
ONLY
CD-C480H
ONLY
Q128
L103
Q111
Q107
Q108
Q110
Q109
Q103,Q104
Q105,Q106
REC/PB REC
P.B
AC BIAS
P.B
REC/PB
HEAD
L-CH
R-CH
PB HEAD
L-CH
R-CH
ERASE
HEAD
AUX
AUX
TUNER
TAPE
CD
VO
VO
T1/T2
H/N
R R R L L L
GRAPHIC EQUALIZER
47
56
T2 CrO
2
T1 CrO
2
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