Read Sharp CD-MD3000 (serv.man11) Service Manual online
CD-MD3000H/CD-MD3000W
– 56 –
Figure 56 SCHEMATIC DIAGRAM (3/16)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
MAIN PWB-A1 (3/3)
TO CD PWB
1
33
CNP1
P60 1-D
CD SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
FM SIGNAL
CNP806
CD-MD3000H: P64 1-C
CD-MD3000W: P66 1-C
LCD-E
R1062
3.3K
4
3
2
1
3
2
1
4
3
2
1
CD_BCK
CD_LRCK
CD_DATA
D_GND
CD_DATA
D_GND
CD_BCK
CD_LRCK
RELAY PWB-A2
FROM MD PWB
CW1502B
P69 12-E
FROM CD PWB
CNS11B
P60 1-F
MD SIGNAL
TAPE MECHANISM
ASSEMBLY (1/2)
TAPE
MECHANISM
PWB-H
F_REC
CST_SW
NC
NC
+
–
SOLENOID
–COM
+MTR
PLAY SW
+5V SENSOR
SENSOR OUT
+SOL
R_REC
M
PLAY
SWITCH
TAPE
MOTOR
CASSETTE
SWITCH
M
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
R1141
1K
C998
22/10
22/10
CNP901
R1133
470
IC912
BU2092F
R1124A
10K
R902 1K
C945
0.1
R1046
12K
12K
R946
1K
R991
1K
R1106 10K
R1107 10K
R1108 10K
R1109 10K
R1105A 10K
C995
100P(CH)
C936
100P(CH)
R1086 5.6K
R987 1K
R1087 5.6K
R1088 5.6K
R988 1K
R927 100
R1099
47K
R945 100
R995 1K
R1066
10K
R966 1K
R1065
10K
R965 1K
R944 1K
X902
32.768KHz
32.768KHz
C941
22P
(CH)
C902
0.1
R969 1K
R1068
10K
R1060
100K
D902
DS1SS133
D901
DS1SS133
R1008
1K
R1031
1K
R1007
1K
Q909
KRC107 M
R1015
820
C913
2.2/50
R1014
100K
Q907
KRC107 M
R1013
47K
D910
DS1SS133
C912
47/16
Q906
KRC107 M
R1012
1K
L910
47H
R1011
100K
BI960
C901
1000/6.3
C903
0.1/50
D905
DS1SS133
L901
100
µ
H
C904
0.01
R1003
4.7K
IC905
KIA7042AP
RESET
R1002
100K
R1001
47K
C906
0.1
0.1
C905
3.3/50
Q901
KRC102 M
D906
DS1SS133
D907
DS1SS133
C907
10/50
R963 1K
R962 1K
C964
0.1/50
C916
0.1/50
C917
0.1/50
R920 1K
R1023 1K
R972 1K
R904 1K
R1056 10K
R1058
100K
R1036
5.6K
R921 1K
R1053 10K
R967 1K
R968 1K
R1050 1K
R948 1K
R907 1K
R918 1K
R919 1K
R914 1K
R958 1K
R934 1K
R915 1K
R917 1K
R957 1K
R956 1K
R1055 10K
R947 1K
R955 1K
R954 1K
X901
8MHz
8MHz
R959 1K
R960 1K
C957
150P(CH)
R941
330K
330K
R932 1K
R906 1K
C958
390P
C943
0.1
R1048
10K
10K
R908 1K
R910 1K
R1051 1K
R971 1K
R1022
47K
R970 1K
R974 220
R933 1K
C950
150P
(CH)
R1044
22K
R1057 10K
C970
0.1
0.1
R1054 10K
R905 1K
C942
18P
(CH)
R953 1K
R943
1K
R936 1K
R935 1K
R1035
5.6K
R911 1K
R912 1K
R913 1K
R1032 1K
R1052 1K
R1052 1K
FFC901
IC901
IX0354AW
SYSTEM
MICROCOMPUTER
D
D
D
CNP970
IC912
BU2092F
OUTPUT
EXPANDER
IC905
FFC970
Q905
2SB561 C
Q908
2SB561 C
D952
DS1SS133
SW901
SPAN
SELECTOR
SPAN
SELECTOR
R1033
10K
R1119A 1K
CNP921
CNP925
R1118A 1K
18
17
16
15
14
13
12
11
10
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
CD-SW
NC
AUX_SEL
DIG_SEL
FAN
PNL_OP
PNL_OP
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
DATA
VDD
OE
PNL_CL
CLK
NC
EX-DATA
EX-CLK
LCK1
REC_BIAS
RUN_PUL
SOL
MOTOR
30
29
28
27
26
25
LCD E (4.6V)
0V
CD MUTE
0V
0V
0V F
5V
5V CD
0V TEST/Vpp
0V LCK2
5V VDD
0V DEST_OUT2
TIMER LCD 5V
(2.5V) LCD DB5
(0.3V) LCD DB4
0V DATA
5V CST SW
5V CAM SW
5V B-FP SW
SPAN
5V RE
0V DEST_IN
0V CE
0V CLK
5V RUN PULSE
0V T-SOL
0V T-MOTOR
5V A-FP SW
0V LCK1
80
79
78
77
76 FH A-SW E 0.2V
0V CD
5V
0.2V FH
5V FH
0.2V FH
0.2V FH
5V FH
0V C
0V C
0V C
5V C
0V C
0V
51 AVDD A 5V
52
53
54
55
K-DATA/TX
MD-DATA/RX
AVref1 5V
AVSS 0V
KEY 4 5V
KEY 3 5V
MD-DSCK
MD RESET
MD SERCH
VSM 0.3V
MD DSTB
MD LOAD SW
LCD-RW/CDR-DATA (4.8V)
MD SID
TUNER DI 0V
TUNER DO 4.8V
LCD-E/CDR-CLK (4.6V)
TUNER CL 0V
KDATA
MDDATA
TX
RX
VSM
SID
MDDSCK
LOAD_SW
FH_A-SW_D
FH_A-SW_E
DSTB
LEVEL_R
LEVEL_L
RESET
SERCH
KEY3
C2B_CL
C2B_DI
KEY4
C2B_DO
L_CH
R_CH
A_GND2
C2B_CL
C2B_DO
C2B_CE
S-MUTE
P63 7-H
P63 12-C
M_+B
M_GND
CD_+B
CD_GND
A_+10V
A_GND
L CH
R CH
A_GND
A_+10V
A_GND
CD_+B
CD_GND
M_GND
M_+B
D_GND
A_+B
TO POWER
PWB
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
AUX_SEL
SIDE-B
SIDE-A
CST-SW
PB_MUTE
C2B_DI
VSM
CD-R_SEL
A_GND
CD_R
CD_L
P63 8-H
CAM-SW
RUN_PUL
MOTOR
SOL
3
2
1
5V BACK UP
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
SP_RLY
POWER
RX_IN
JOG-B
JOG-A
PROTECT
KEY2
KEY0
KEY1
RES
RESET 4.4V
XT1 2V
XT2 2.8V
VSS 0V
X1 2.3V
X2 2.6V
VDD 5V
JOG-B 5V
JOG-A 5V
REMOCON 5V
PROTECT 5V
C FUTA OP 0.2V
C FUTA CL 5V
SYS MUTE 5V
33
32
34
31
DIMMER
P-CLOSE
P-OPEN
P-OPEN
BACK LED CONT 5V
33
32
31
30
29
28
27
26
25
24
23
22
21
20
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
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
FH_A-SW_A
CD_BUS3
CD_BUCK
CD_CCE
CD_RES
FH_T-SW_C
FH_T-SW_B
FH_T-SW_A
FH_A-SW_B
FH_A-SW_C
FH_A-SW_D
FH_A-SW_E
FH_C-SW_A
FH_C-SW_B
CD_BUS2
CD-RW
CD_BUS1
T-MO_REV
CD_BUS0
T-MO_FOR
CD_L
PU-IN
A_GND
CD-RW
CD_BUS1
T-MO_REV
CD_BUS0
T-MO_FOR
CD_L
PU-IN
A_GND
CD_R
CD_GND
CD_GND
CD_GND
CD_+B
CD_+B
C-MO_REV
C-MO_FOR
1
12
2
3
4
5
6
7
8
9
10
11
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
0V
5V
0V
0V
0V
2.8V
0V
0V
0V
0V
0V
2.8V
0V
0V
0V
0V
0V
0V
0V
0V
1.1V
P_CONT
LCD_RESET
4
3
2
1
DEST_OUT1 0V
PB_MUTE 5V
REC 0V
REC BIAS 0V
LCD DB6 (2.5V)
LCD DB7 (1.3V)
N.C.
POWER RLY 0.8V
LCD RS (4.5V)
LCD R/W (4.7V)
SYS STOP 5V
Vref0 5V
KEY 0 5V
KEY 1 5V
SP RLY 5V
POWER KEY 5V
KEY 2 5V
FH A-SW D 0.2V
FH A-SW C 0.2V
FH A-SW B 0.2V
FH A-SW A 0.2V
1
2
3
1
1
12
12
0V
0V
0V
11.4V
11.4V
11.3V
11.3V
11.3V
11.3V
0V
0V
0V
0V
0V
1
1
1
2
2
2
3
3
3
5V
SOLENOID DRIVER
RUN PULSE
MOTOR DRIVER
MOTOR DRIVER
A_GND
g h i
O Q X Y U V W T R S
d c
b a
GND
CD-SW
0V
9
8
7
6
5
4
3
TO AUDIO SECTION
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
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
CD-MD3000W
ONLY
NC
LCD-RW
R1121
39K
R1120A
1.5K
R1075
3.3K
R1074 3.3K
R900 2.7K
RESET
50/9
100/10
NC
5V
4.4V
0V
0V
5V
5V
Click on the first or last page to see other CD-MD3000 (serv.man11) service manuals if exist.