DOWNLOAD Sharp CD-MD3000 (serv.man31) Service Manual ↓ Size: 335.7 KB | Pages: 7 in PDF or view online for FREE

Model
CD-MD3000 (serv.man31)
Pages
7
Size
335.7 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Block diagrams
File
cd-md3000-sm31.pdf
Date
PREV: Sharp CD-MD3000 (serv.man30) Service Manual

Sharp CD-MD3000 (serv.man31) Service Manual ▷ View online

– 51 –
CD-MD3000H/CD-MD3000W
 Figure 51 BLOCK DIAGRAM (5/7)
+B
8 7 6 5 4 3 2 1
TO DECK SECTION
TO POWER PWB
IC913
CNP102
3
2
1
+B
+B
+B
+B
+B
DIG_SEL
D_+B
D_+B
GND 
GND 
GND 
9
10
11
12
13
DIMMER
D GND
A +B
SDA 
SCL 
D +B
5 
1 
CNP701
Q707
LCD720
LCD DISPLAY
5 
1 
2 
3 
4 
VDD 
VSS 
VLCD
IC701
TA7291S
LOADING 
MOTOR
DRIVER
1 2 3 4 5 6 7 8 9 
IC913
KIA7805P
VOLTAGE REGULATOR
CNS940
BI950
BI960
IC912
BU2092F
OUTPUT 
EXPANDER
CNP934
CNP931
+B
REC_RCH 
REC_LCH 
TAPE_L
TAPE_R
TO  AUDIO
SECTION
TAPE_R
TAPE_L
A_GND 
REC_LCH 
REC_RCH 
REC_MUTE
REC_CONT
REC_BIAS
l
POWER_RLY 
SP_RLY
PROTECT 
FAN 
D_GND
SP_DET
SP_RLY
UN_SW  5V
AC_RLY  CTL
A_-B
D_GND
FAN_CTL
1 2 3 4 5 6 7 8
M_+B
M_GND
CD_+B
CD_GND
CD_+B
CD
_
GND
M_GND
M_+B
PNL_OP
PNL_CL
D_GND 
KEY4
KEY3
KEY2
JOG-B 
JOG-A 
A_+B
7
6
5
4
3
2
1
D_+B
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK
VDD
OE
A_+B
D_+B
D_GND
REMOCON
POW_KEY
KEY0
KEY1
LCK
CK
DATA
POW_IND
11
10
9
8
7
6
5
4
3
2
1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
69 70 71 72 73 74 75 76 77 78 79 80
9 8 7 6 5 4 3 2 1
CD RESET
CD CCE
83  FH T-SW C
82  FH T-SW B
81  FH T-SW A  
FH A-SW B
FH  M  B-
FH A-SW A
FH  M  B+
FH  M  A-
FH  M  A+
CD RW
CD  PICK  IN
VDD
DEST_OUT2
VSS
FH C-SW B
FH C-SW A
FH A-SW E
FH  A-SW D
FH A-SW C
CD BUS3
CD BUS2
CD BUS1
3  REC BIAS
2  REC
1  PB MUTE 
CAM
  
SW
B-FP  SW
A-FP  SW
DEST_OUT1
CD BUCK
CD BUS0
REC  MUTE
CD-R DATA 
CD-R CLK
TUNER
 DO
TUNER CL
RUN PULSE
T-SOL
T-MOTOR
NC
NC
NC
NC
m
j
k
8 9 10 11 12 13 14 15
2 11 10
+B
SW711,SW712,
SW720~SW725 
Q724
Q720
Q721
Q723
Q725
Q722
SW710,SW780,
SW730~SW735
LED759
LED731
LED754
LED756
LED757
LED758
LED755
SW701
POWER
RX701
REMOTE
SENSOR
LED770
SW750~SW758
JOG701
JOG DIAL
SW760~SW764,
SW767,SW782 
Q708
LED772~
LED7775,
LED786
SW783,
SW772~SW778
CNS720 
CNS770 
IC702
OUTPUT EXPANDER
BU2092F
LED_4 
LED_1 
LED_2 
LED_3 
LED_5 
LED_6 
18
17
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
Q10 
VDD 
__
OE
Q11 
Q9
Q8
Q7
Q6
Q5
Q3
Q4
Q2
Q1
Q0
LCK
CLOCK
VSS
POW_IND 
DATA
CK
LCK 
KEY0
KEY1
POW_KEY 
REMOCON 
D_GND 
D_+B
A_+B
LED_EG
LED_5 
LED_4 
LED_3 
LED_2 
LED_1 
A_+B
JOG-A 
JOG-B 
KEY2
KEY3
KEY4
D_GND 
3 
2 
1 
5 
6 
7 
8 
9
10
11
1 
2 
3 
4 
4
3
6
7
5
2
1
IC702
DATA
+B
+B
+B
+B
+B
+B
+B
+B
LED735,LED737,
LED738
SW705
OPEN/CLOSE 
MO700
CONTROL
PANEL MOTOR
MOTOR_–
MOTOR_+ 
D_GND 
CLOSE_SW
OPEN_SW 
M
MD LOAD SW
MD DSTB
MD SID
CD-MD3000H/CD-MD3000W
– 52 –
 Figure 52 BLOCK DIAGRAM (6/7)
A
C
+B
+B
+B
+B
1 
2 
3 
4
5
6
7
8 
9 
10
11
12
13
14
15
10
1
2
3
4
5
6
7
8
9
11
12
13
14
15
AC POWER
SUPPLY
CORD
+B
MAIN
MAIN
SUB 
WOOFER
+B
+B
IC802
TO MAIN PWB
6 
T.F.
SP L-CH
SP R-CH
GND
SP R-CH
SP L-CH 
GND
SP L-CH
SP L-CH
GND
SP R-CH
SP R-CH
GND
M 
+ 
+B
-B
-B
-B
+B
FAN MOTOR
DRIVER
RELAY
DRIVER
MICON +5V
+B
+B
+B
-B
-B
-B
+B
-B
+B
-B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
-B
HIGH
LOW
CD-MD3000H
ONLY
CD-MD3000W
ONLY
F802
T2.5A L 250V
IC803
M 
+ 
MO201
FAN
MOTOR
CD-MD3000W
ONLY
IC808
3 
1 
2 
Q813 
Q812 
FAN MOTOR
DRIVER
FAN PROTECT
CD-MD3000W
ONLY
Q200
CNP807
Q210
Q212
Q211 
D812~D815
D804~D807
IC808
KIA7805P
CONSTANT VOLTAGE
REGULATOR
F807
T3.15A L 250V  
RY801 
SO201
SPEAKER
TERMINALS 
RY202
Q209 
RY201
Q810 
Q801
Q803
Q805 
CNP806
F808
T2A L 250V
Q806
IC202
STK40204(2Ch)
POWER AMP.  
Q204 
Q203 
Q208
Q207
Q206 
Q201 
IC201
STK40271(2Ch)
POWER AMP.  
Q205 
F801
T2A L 250V
F804
T5A L 250V
F803
T5A L 250V
F806
T3.15A L 250V
D816
D817
D808~D811
F805
T3.15A L 250V
IC203 
T802
SUB POWER 
TRANSFORMER
Q807 
Q809 
IC802
KIA7810AP
VOLTAGE 
REGULATOR  
IC203
KIA4558P
 OPE AMP.
T801
MAIN POWER
TRANSFOMER
MO200
FAN
MOTOR
Q202
M+10V 
230-240V
220V
127V
110V
SO801
VOLTAGE
SELECTOR
IC803
NJM431L
VOLTAGE 
REGULATOR  
A_+10V
GND
GND
GND
+5V
M_+10V
TO DECK SECTION 
D_GND
FAN_CTL 
D_GND
-8V
AC_RLY  CTL
UN_SW  +5V
SP_RLY
SP_DET
8 
3  4 6 
1 
7 
2 5 
9 
CD_GND
M_GND
CD_+B
M_10V
A_GND
A_+10V
M_10V
M_GND
CD_GND
CD_+B
A_GND
A_+10V
A_GND2
R-CH
L-CH
15  
14 
13  
12 
11  
9 
8 
6  7 
5 
4 
3 
2 
1 
10  
+
+
–
–
–Vcc
+Vcc
Ch1
Ch2
Ch2
Out
Out
Ch1
8 
7 
5 
4 
3 
2 
1 
+
+ 
–
–
3 
2 
1 
Out
Ch2
Out
Ch2
Ch2
Ch1
–
–
+
+
+Vcc
–Vcc
FOR CD-MD3000H:  AC 230V, 50Hz
FOR CD-MD3000W: AC 110/127/220/
                                  230-240V, 50/60Hz
-
+ 
+ 
-
+ 
-
+ 
-
1 
3 
2 
JK701
HEADPHONES
L802
LINE
FILTER
10  11  12   13  
+5V
Q215
Q811
– 53 –
CD-MD3000H/CD-MD3000W
 Figure 53 BLOCK DIAGRAM (7/7)
1 2 3 4
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
D GND
D GND
RESET
MD-ST
DSCK
KDATA
MDDATA
DSTB
D GND
D GND
DVDD
DVDD
PCONTO
LOADSW
AVCC
L OUT
AA GND
R OUT
SERCH
AD GND
R IN
AA GND
L IN
DIG OUT
D GND
DIG IN
BACKUP
P DOWN
CDLRCK
CDBCLK
GND
CDDATA
BACKUP
70 34 25 12 20 33 21 32 31
MECHANISM
+4.75~5.25V
+3.2V
IC1402
58X2402T
EEPROM
30
29
98
5
6
8
IC1801
XC62EP32
REGULATOR
3
AUDIO IN
AUDIO OUT
IC1702
NJM431U
REGULTOR
1
2
3 5
24
26
3
+3.2V
MECHANISM
+4.75~5.25V
+3.2V
IC1401
IX0349AW
MD SYSTEM
MICROCOMPUTER
58
67
66
+3.2V
DOUT DIN
A/D
CONVERTER
D/A
CONVERTER
IC1701
UDA1345
AD/DA
CONVERTER
IC1202
IX2474AF
4M-BIT
DRAM
5
9
11
15
~
~
26
29
~
32
36
42
~
IC1201
LR37814
ENDEC/ATRAC
XL1201
33.8688MHz
IC1101
IR3R58M
RF SIGNAL
PROCESSOR
+3.2V
+3.2V
MECHANISM
+4.75~5.25V
E-F SIGNAL A-B SIGNAL
RF1~RF4 SIGNAL
IC1601
M56788FP
MOTOR DRIVER
12
10
15
M
M903
MD LOADING
MOTOR
SW1932
LOADING
SW1934
PLAY
SW1936
LEAD IN
MONITOR
DIODE
LASER
DIODE
RF4
RF3
RF2
RF1
LIGHT
RECEIVING
SECTION
ERROR
SIGNAL
LIGHT
RECEIVING
SECTION
RF
M
M902
MD SLED MOTOR
F
A
B
E
SW1933
RECODE
SW1931
DISC MEDIA
SW1930
WRITE PRO
M
M901
MD SPINDLE
MOTOR
MD PICKUP UNIT
FOCUS
TRACKING
MAGNETIC
HEAD
(RECORD)
+4.75~5.25V
IC1300
74ACT02T
HEAD
DRIVER
65
64
MD
R
L
R
L
IX
XO
CN1501
CN1502
TO MAIN UNIT
TO MAIN UNIT
57
59
+3.2V
IC1802
XC62FP262P
REGULATOR
3
+2.6V
2
5 13
2
40
29
1
3
37
4
73
74
ADDATA
DADATA
18
19
~
EFMO
EFMI
– 53 –
CD-MD3000H/CD-MD3000W
 Figure 53 BLOCK DIAGRAM (7/7)
1 2 3 4
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
D GND
D GND
RESET
MD-ST
DSCK
KDATA
MDDATA
DSTB
D GND
D GND
DVDD
DVDD
PCONTO
LOADSW
AVCC
L OUT
AA GND
R OUT
SERCH
AD GND
R IN
AA GND
L IN
DIG OUT
D GND
DIG IN
BACKUP
P DOWN
CDLRCK
CDBCLK
GND
CDDATA
BACKUP
70 34 25 12 20 33 21 32 31
MECHANISM
+4.75~5.25V
+3.2V
IC1402
58X2402T
EEPROM
30
29
98
5
6
8
IC1801
XC62EP32
REGULATOR
3
AUDIO IN
AUDIO OUT
IC1702
NJM431U
REGULTOR
1
2
3 5
24
26
3
+3.2V
MECHANISM
+4.75~5.25V
+3.2V
IC1401
IX0349AW
MD SYSTEM
MICROCOMPUTER
58
67
66
+3.2V
DOUT DIN
A/D
CONVERTER
D/A
CONVERTER
IC1701
UDA1345
AD/DA
CONVERTER
IC1202
IX2474AF
4M-BIT
DRAM
5
9
11
15
~
~
26
29
~
32
36
42
~
IC1201
LR37814
ENDEC/ATRAC
XL1201
33.8688MHz
IC1101
IR3R58M
RF SIGNAL
PROCESSOR
+3.2V
+3.2V
MECHANISM
+4.75~5.25V
E-F SIGNAL A-B SIGNAL
RF1~RF4 SIGNAL
IC1601
M56788FP
MOTOR DRIVER
12
10
15
M
M903
MD LOADING
MOTOR
SW1932
LOADING
SW1934
PLAY
SW1936
LEAD IN
MONITOR
DIODE
LASER
DIODE
RF4
RF3
RF2
RF1
LIGHT
RECEIVING
SECTION
ERROR
SIGNAL
LIGHT
RECEIVING
SECTION
RF
M
M902
MD SLED MOTOR
F
A
B
E
SW1933
RECODE
SW1931
DISC MEDIA
SW1930
WRITE PRO
M
M901
MD SPINDLE
MOTOR
MD PICKUP UNIT
FOCUS
TRACKING
MAGNETIC
HEAD
(RECORD)
+4.75~5.25V
IC1300
74ACT02T
HEAD
DRIVER
65
64
MD
R
L
R
L
IX
XO
CN1501
CN1502
TO MAIN UNIT
TO MAIN UNIT
57
59
+3.2V
IC1802
XC62FP262P
REGULATOR
3
+2.6V
2
5 13
2
40
29
1
3
37
4
73
74
ADDATA
DADATA
18
19
~
EFMO
EFMI
Page of 7
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