Sharp CD-MD3000H Service Manual page 57

2F
T
ER
R1027
R1026
R1048
10K
10K
0K
D952
DS1SS133
D951
CD-MD3000W
DS1SS133
ONLY
+B
C914
0.1
7 6 5 4 3 2 1
0V VSS
100
R916 1K
REC_MUTE
99
5V REC MUTE
R996 1K
C-MO_FOR
0V FH M B–
98
R997 1K
C-MO_REV
0V FH M B+ 97
R998 1K
T-MO_FOR
96
0V FH M A–
R999 1K
T-MO_REV
0V FH M A+ 95
R928 1K
5V CD PICK IN 94
R949 1K
5V CD RW 93
R982 1K
0V CD RESET 92
R976 1K
0V CD BUS0 91
R977 1K
0V CD BUS1
90
R978 1K
0V CD BUS2
89
R979 1K
0V CD BUS3 88
R980 1K
5V CD BUCK 87
R981 1K
86
5V CD CCE
R989 1K
5V FH C-SW A 85
R990 1K
0.2V FH C-SW B 84
R994 1K
83
0.2V FH T-SW C
R993 1K
82
5V FH T-SW B
R992 1K
81
0.2V FH T-SW A
74 75 76 77 78 79 80
R1092 R1094
5.6K 5.6K
5V
1
IC913
2
0V
C1003
C1004
47/50
0.1
IC913
KIA7805P
VOLTAGE REGULATOR
+B
1 2 3 4 5 6 7 8
2 13 14 15
BI960
TO POWER
CNP807
PWB
CD-MD3000H: P64 1-D
C
CD-MD3000W: P66 1-D
C
7
DZ902
R1024
MTZJ3.0A
10K
(2.6V)
(2.4V)
+B
(2.4V)
(2.6V)
R1040
10K
Q953
2SC1740 SR
+B
+B
8.6V
+B
3
D_GND
+B
8 7 6
9 10 11 12 13
BI940
BI950
CNS940 8 7 6
TO DECK SECTION CNP102
8
Figure 57 SCHEMATIC DIAGRAM (4/16)
R1183
100mA
R1122A
100
C979
0.1
IC921
(5V)
74HCT00F
1 Vcc
14
(5V)
(0.5V)
13
2 DIGITAL
(0.5V)
3 12
SIGNAL
(5V)
4 11
SWITCH
(5V) (0.5V)
5
10
(4.3V)
6 9
(0V)
8
7 GND
(5V)
R1067
100mA
MDDATA
Q952 C999
2SC1740 SR 680P
R1043
10K
R1079
1K
DSTB
R1041
10K
R1080
1K
+B
D_+B
+B
R1098
1.5K
R1097
1.5K
+B
+B
5 4 3 2 1
I m n
f j k
5 4 3 2 1
TO AUDIO SECTION TO AUDIO
P63 12-H SECTION
P62 2-A
P63 10-H
9 10
– 57 –
CD-MD3000H/CD-MD3000W
L911
2.2µH
C973
C975
C971
0.1/25
0.1 1/50
L912
2.2µH
C972
C976
C974 C977
1/50
0.1 100P
0.1
(CH)
D911 D_+B(MD)
1N4004S D_+B(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
DSTB
MDDATA
KDATA
SERCH
MDDSCK
SID
+B
+B
RX_IN
POWER
LED-TIMER
EX-DATA
EX-CLK
LCK2
KEY1
KEY0
JOG-B
JOG-A
KEY4
KEY3
KEY2
+B
R1017 10K LCD-E
R1016 10K LCD-RW
IC701
IC701
TA7291S
1 2 3 4 5 6 7 8 9
LOADING
MOTOR DRIVER
R768
2.2
P-OPEN
(1/2W)
P-CLOSE
R763 C714
R768
2.7K 47/16
CD-MD3000H
PNL_CL
ONLY
1 2
11
FROM CD PWB
1
CNS11B
2
P60 1-F
CNP975
1
UNA901
2
DIGITAL
INPUT
3
CW1501
MD_RCH
28
28
MD_A_GND
27
MD_LCH
26
AD_GND
25
REC_RCH
24
MD_A_GND
23
REC_LCH
22
A_+B(MD)
21
LOAD_SW
20
PCONTO
19
18
17
TO
16
MD PWB
15
CN1501
14
13
P69 12-G
12
11
10
9
8
7
RESET
6
P_DOWN
5
BACKUP NC
4
3
2
1
1
BI922B
1
2
3
3
2
1
BI922A
CNP931
A_+B
1
2 D_+B
D_GND
3
REMOCON
4
5 POW_KEY
POW_IND
6
FROM
DISPLAY PWB
7 DATA
8 CK
CNS720
9 LCK
P58 6-E
10 KEY1
11 KEY0
JOG-B
1
JOG-A
2
FROM
D_GND
3
JOG PWB
KEY4
4
CNS770
KEY3
5
KEY2 P59 7-H
6
A_+B
7
CNP934
CNP935
1 DIMMER
FROM
A_+B
2
DISPLAY PWB
D_GND
3
CNS702
D_+B
4
P58 6-C
SCL
5
6 SDA
FROM
OPEN_SW
1
MOTOR
CLOSE_SW
2
PWB
D_GND
3
CNP741
MOTOR_+
4
P59 8-B
5 MOTOR_–
CNP933
12