Download Sharp CD-C482 Service manual

CD-C482
10
+B
+B
+4V(µ-CON)
GND(µ-CON)
D
14
91 P32
93 P34
94 P35
RF52 1K
REAR_RLY
RF55 1K
RF54 1K
RF58 1K
CL
VSS
VDD
CE1
S.W.RLY
RF71 1K
RF70 1K
RF69 1K
RF68 1K
RF67 1K
RF66 1K
RF65 1K
RF64 1K
RF63 1K
RF62 100
DO(TU)
RF61 1K
TUN_SD
RF60 1K
DI(TU,VR,PR) RF59 1K
VR ST
VR CLK
VR DATA
FUNC B
FUNC A
S.W.MUT
CENT_MUT
REAR_MUT
SYS_MUT
TUN_MUT
PC6
PC5
PC7
PD0
PD1
PD2
VSS2
VDD2
PD4
(DI)PD5
(DO)PD3
PE0
PD6
PE1
PD7
PE2
PE3
PE4
PE5
PF0
99 P04(PCCL)
100 P05
32 PA2
31 PA1
FR SPEED(M)
TA MOTOR
TAPE_SOL
PA6 36
CAM_SW
PA5 35
T2_CRO S
PA4 34
T1_CRO S
T2_B-FP S
32
T2_A-FP S
INT3
PA0
INT2
INT1
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
VDD1
CF2
CF1
33
VSS1
INT0
P17
P16
SCK1
SI1
SO1
SCK
98
TA_BIAS
PB1 39
HIGH_SP
PB0 38
33 PA3
P75
97 P02
100
PB2 40
98 P03
P74
96 P01
RES(MAIN)
95 P00
REC_MUT
TA_PB-EQ
TA_R/P
PB4 42
BEAT_CUT
PB3 41
PA7 37
31
SP LEVEL
SP PROT
SYS_STOP
T1_RUN
T2_RUN
SP63HZ
SP16K
POSISTOR
TUN_SM
SLD–
SLD+
COIN
SQOUT
CQCK
COM
DAT
SCK
STB
DS_RES
RG
RG
RG
RG
RG
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
RG96
10K
CNP12
TO CD SERVO
PWB
P21 7-H
PE6
PF1
PE7
PF2
PF3
PF4
PF5
90 VDD3
PB5 43
RF50 1K
RF49 1K
RF48 1K
RF47 1K
RF46 1K
RG55 1K
RF44 1K
RF43 1K
RF42 1K
RF41 1K
RF40 1K
RF39 1K
RF38 1K
RF37 1K
RF36 1K
RF35 1K
RF34 1K
RF33 1K
RF32 1K
RF31 1K
RF30
1K
RG16
47K
CG56
0.022
13
AD RES
VOICE-C
POWER
QS_SPRED
QS_AC
QS_MO
9K/10K
SP_CONF
RF79 1K
RF78 1K
RF77 22K
RF76 1K
RF75 1K
RF74 1K
RF73 1K
11
12
ICF01
IX0236AW
SYSTEM CONTROL
MICROCOMPUTER
92 P33
QG92
KTC3199 GR
CFWU02 2 SO
10
PF6
PB6 44
82 PL4
83 PL0
88 P31
89 VSS3
RES 99
RWC
AC32SO IC 94
PL6
PF7
49 PC3
48 PC2
81 PL5
Si0
BIF12
1
2
3
4
5
6
7
8
9
AMP
PB_MUT
50 PC4
PC0 46
TA_T1/T2
PB7 45
RF22 1K
RF23 1K
RF24 1K
RF25 1K
RF26 1K
RF27 1K
RF28 1K
RF29 1K
14
RWC
WRQ
COIN
SQOUT
CQCK
RES
DRF
D_GND
SLD+
SLD–
PUIN
OP/CL
DISC_NO
UP/DOWN
1K AC3_RES
1K AC3_SS
1K AC3_SIN
1K AC3_SO
1K AC3_SCK
1K
V1/V2
DEM0
1K
DEM1
1K
FAN CONT
VOLT_SW
PC1 47
WRQ
RES
DRF
RG04
10K
PUIN
VSS
XF01
CF1
CF2
CG05
15P(CH)
VDD
SP4KHz
RF19 1K
SP1KHz
RF20 1K
SP_50Hz
RF21 1K
13
VDD
RF91
RF92
RF93
RF94
RF95
RF96
RF97
RF98
48
FRNT_RLY
84 PL1
SO0
BIF11
CNSF11
+B
83
50
49
85 PL2
86 PL3
87 P30
RF01 1K
RF02 1K
RF03 1K
RF04 1K
RF05 1K
RF06 1K
RF07 1K
RF08 1K
RF09 1K
RF10 1K
RF11 1K
RF12 1K
RF13 1K
RF14 1K
11
12
+B
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
81
82
RF99 1K
RG56 1K
10
+B
RF81
1K MIC2DET
RF82 1K H/P SW
AUTO_SCAN
RF83 10K
CD_DNO_SW
RF84 1K
CD_U/D_SW
RF85 1K
CD_O/C_SW
RF86 1K
DGTL1
RF87 1K
RF88
DGTL2
1K
VSS
RG94
10K
1
2
3
4
5
6
7
8
9
RF80
1K
RG11
10K
P06
P07
GND(CD)
1
+7.3V(CD)
2
+12V(M)
3
CNSF12
C
RG05
10K
RG95
470K
CNP11
TO CD SERVO
PWB
P21 12-C
RG08 10K
RG07 10K
RG06 10K
B
1
2
3
RG23
10K
+
CNPF01
CNSD01
TO DISPLAY
PWB
P32 1-C
+B
+B
+B
+B
+B
RG24
10K
GND(D)
9
GND(D)
8
+4.6V(D)
7
+12V(M)
6
COM1
5
RESET
4
DATA1
3
STB
2
SCK
1
A
GND(CD2)
GND(CD1)
GND(D)
+7.3V(CD)
+12V(M)
+4.6V(D)
RG19
47K
RG26
10K
RG38
100K
RG25
4.7K
CG06
15P(CH)
10
CNP303
TO TUNER PWB
P31 8-H
F
TUN L
TUN R
1
2
3
4
5
+B
6
7
8
9
+B+12V(A)
–15V
+B
+
–
RH11
150K
RH12
1K
2 –
10
8
(1/2)
4
3 +
CH29
0.022
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
1
CH10
47P
E
GND(D)
CL
DO
CE(CE1)
DI
+12V(A)
GND(A)
TUN MUTE
L-CH
R-CH
CH28
0.022
1
2
3
4
5
6
7
8
9
BIF13
CNSF13
GND(A)
RH13
150K
6 –
(2/2)
7
5 +
ICH11
NJM4558M
MOTOR DRIVER
RH17
1.5K
CH13
330P
CH30
0.0056
RH14
560K
DH11
1SS133
RH15
33K
CH15
0.22/50
DH16
1SS133
16KHz
SPE-1
AUX 2
AUX 1
TAPE L
RH16
1M
DH17
1SS133
CH16
1/50
RH25
1.5K
CH17
0.047
(ML)
CH20
0.015
G
DH12
1SS133
RH22
33K
CH18
0.22/50
RH26
560K
RH27
33K
CH19
0.47/50
RH30
1.5K
RH21
560K
CH23
0.0047
CH22
0.1
(ML)
DH13
1SS133
CH21
0.22/50
63Hz
SPE-2
TAPE R
RH24
470K
AUX 1
DH18
1SS133
250Hz
SPE-3
RH29
1M
DH19
1SS133
RH31
560K
DH14
1SS133
RH32
33K
CH24
0.22/50
28 29 30
L-CH OUT
GND(A)
R-CH OUT
RH20
1.5K
1KHz
SPE-4
RH34
1M
VIDEO1 IN
DH20
1SS133
RH35
1.5K
CH26
0.012
CH25
0.027
(ML)
RH36
560K
RH37
33K
DH15
1SS133
CH27
2.2/50
TO PRE S
P22
4KHz
SPE-5
RH39
1M
GND(A)
MAIN PWB-A(2/5)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
1
2
3
4
Figure 24 SCHEMATIC DIAGRAM (5/20)
– 24 –
5
6