Read Sharp CD-MD3000 (serv.man11) Service Manual online
– 57 –
CD-MD3000H/CD-MD3000W
Figure 57 SCHEMATIC DIAGRAM (4/16)
7
8
9
10
11
12
FROM
DISPLAY PWB
FROM
JOG PWB
FROM
DISPLAY PWB
FROM
MOTOR
PWB
CNS720
CNS770
CNS702
CNP741
TO POWER
PWB
CNP102
CNP807
C
C
C
CD-MD3000H: P64 1-D
CD-MD3000W: P66 1-D
P62 2-A
P63 12-H
CNS11B
FROM CD PWB
P63 10-H
TO AUDIO
SECTION
P60 1-F
LCD-E
R1145
18K
BI922A
R1069
10K
D911
1N4004S
CNP920
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
3
2
1
2
1
NC
MDDSCK
RESET
KDATA
D_+B(MD)
D_+B(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
LOAD_SW
SID
SERCH
A_+B(MD)
REC_LCH
REC_RCH
MD_LCH
MD_RCH
PCONTO
AD_GND
MDDATA
DSTB
P_DOWN
BACKUP
MD_A_GND
MD_A_GND
D_GND(MD)
MDDATA
D_+B
D_+B
GND
GND
GND
9 10 11 12 13
TO
MD PWB
CN1501
P69 12-G
R768
CD-MD3000H
ONLY
BI922B
3
2
1
C951
10/50
R1077
120
R999 1K
R997 1K
R998 1K
R998 1K
R996 1K
C956 10/50
R1067
100mA
R1183
100mA
R763
2.7K
2.7K
R762
6.8K
C714
47/16
R768
2.2
(1/2W)
R1017 10K
R1016 10K
R1016 10K
CNP933
CNP935
CNP934
R1028
27K
R1090
5.6K
R1089
5.6K
R1094
5.6K
5.6K
L911
2.2
µ
H
R902 1K
R903 1K
CNP931
C1006
47/50
C1005
0.1
C1003
47/50
C1004
0.1
0.1
C975
1/50
1/50
R1095
27K
R1096
27K
C955
10/50
R1098
1.5K
R1097
1.5K
R978 1K
R989 1K
R916 1K
R928 1K
R949 1K
R982 1K
R949 1K
R982 1K
R976 1K
R977 1K
R977 1K
R979 1K
R980 1K
R980 1K
R981 1K
R990 1K
R994 1K
R994 1K
R1093
5.6K
R993 1K
R1092
5.6K
R992 1K
R1084
5.6K
R984 1K
R1085 5.6K
R985 1K
R1086 5.6K
R986 1K
R987 1K
R1087 5.6K
R1088 5.6K
R988 1K
CNP975
C999
680P
680P
C979
0.1
CNS940
R1078
120
R1079
1K
R1080
1K
C952
10/50
BI960
BI950
R904 1K
R907
1K
R1027
10K
R1026
10K
R901 1K
R906 1K
R1048
0K
R1024
10K
R974
220
R1040
10K
C914
0.1
R905 1K
C977
100P
(CH)
C976
0.1
C972
1/50
C974
0.1
UNA901
DIGITAL
INPUT
C971
0.1
C973
0.1/25
0.1/25
D951
DS1SS133
DS1SS133
2F
T
ER
IC913
IC701
TA7291S
LOADING
MOTOR DRIVER
IC701
L912
2.2
µ
H
IC921
74HCT00F
DIGITAL
SIGNAL
SWITCH
D952
DS1SS133
DZ902
MTZJ3.0A
R1122A
100
100
Q952
2SC1740 SR
Q953
2SC1740 SR
R1043
10K
R1039
470K
R1041
10K
R1042
470K
BI940
CW1501
IC913
KIA7805P
VOLTAGE REGULATOR
R1118A 1K
MOTOR_–
MOTOR_+
OPEN_SW
CLOSE_SW
CLOSE_SW
D_GND
5
4
3
2
1
LCD-E
LCD-RW
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
DIMMER
KEY2
JOG-B
JOG-A
KEY4
KEY3
KEY0
KEY1
LCK2
EX-CLK
EX-DATA
RX_IN
LED-TIMER
POWER
D_GND
KEY4
KEY3
KEY2
KEY3
KEY2
JOG-B
JOG-A
JOG-A
A_+B
A_+B
D_+B
KEY0
KEY1
LCK
CK
DATA
POW_IND
6
5
4
3
2
1
POW_KEY
REMOCON
D_GND
3
2
1
7
6
5
4
3
2
1
REC_LCH
PNL_OP
PNL_CL
MD_RCH
MD_LCH
REC_RCH
A_GND
TAPE_L
TAPE_R
TO AUDIO SECTION
TAPE_R
TAPE_L
A_GND
REC_LCH
REC_RCH
REC_MUTE
REC_CONT
REC_BIAS
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
D_GND
D_+B
CD_DIGI_IN
14
13
13
7
6
5
4
3
2
1
Vcc
GND
8
9
10
11
12
2
1
CD-R_SEL
D_GND
SP_DET
SP_RLY
UN_SW 5V
AC_RLY CTL
A_–B
D_GND
FAN_CTL
POWER_RLY
SP_RLY
PROTECT
FAN
3
2
1
T-MO_REV
T-MO_FOR
C-MO_REV
C-MO_FOR
REC_MUTE
REC_BIAS
REC_CONT
PB_MUTE
SOL
MOTOR
100
99
98
97
96
95
94
93
0V FH M B–
0V FH M B+
0V FH M A–
0V FH M A+
5V CD RW
5V CD PICK IN
0V DEST_OUT2
5V REC MUTE
0V T-SOL
0V T-MOTOR
92
91
90
89
88
87
86
85
84
83
82
81
0V CD RESET
5V CD CCE
0.2V FH T-SW A
5V FH T-SW B
0.2V FH T-SW C
0.2V FH C-SW B
5V FH C-SW A
0V CD BUS3
0V CD BUS2
0V CD BUS1
5V CD BUCK
0V CD BUS0
MD SID
LCD-E/CDR-CLK (4.6V)
SID
FH_A-SW_D
FH_A-SW_A
FH_A-SW_B
FH_A-SW_C
FH_A-SW_E
A_–B
M_+B
M_
G
ND
M_+B
2 13 14 15
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
0V VSS
DSTB
0V
5V
8.6V
P59 8-B
P58 6-C
P59 7-H
P58 6-E
f
I m
j
k
n
0.5V
0.5V
11.4V
1.3V
0V
1V
1V
3V
8 9
1 2 3 4 5 6 7 8
1
2
A_+B
D_GND
D_+B
SCL
SDA
D_GND
D_+B
SCL
SDA
(5V)
(5V)
(4.3V)
(0.5V)
(5V)
(0.5V)
(0.5V)
(2.6V)
(0V)
(5V)
(2.4V)
(2.4V)
(5V)
(2.6V)
7
6
5
4
3
2
1
80
79
78
77
76
75
74
CD-MD3000W
ONLY
P-OPEN
P-CLOSE
P-CLOSE
TO DECK SECTION
+B
1
28
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