DOWNLOAD Sharp CD-MD3000 (serv.man11) Service Manual ↓ Size: 1.52 MB | Pages: 16 in PDF or view online for FREE

Model
CD-MD3000 (serv.man11)
Pages
16
Size
1.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Schematic diagram
File
cd-md3000-sm11.pdf
Date
PREV: Sharp CD-MD3000 (serv.man10) Service Manual

Sharp CD-MD3000 (serv.man11) Service Manual ▷ View online

CD-MD3000H/CD-MD3000W
– 54 –
Figure 54 SCHEMATIC DIAGRAM (1/16)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
CD-MD3000H
1
1
3
2
3
2
1
3
2
E
F
G
H
I
J
K
L
M
N
MAIN PWB-A1(1/3)
FM SIGNAL 
AM SIGNAL 
SWITCHING
SWITCHING
SWITCHING
C370
1/50
FE301
FM FRONT END
CT37
0.1
XT21
4.332MHz
RT26
1K
CT21
100/16
RT39
220K
CT23
10/50
LT22
2.2
µ
H
CT25
560P
CT24
0.022
DT31
DS1SS133
ICT21
LC72722
RDS DECORDER
LT21
2.2
µ
H
CT22
0.022
RT37 220K
RT28
1K
RT36 220K
RT35 220K
CT29
0.022
CT26
22P(CH)
CT27
22P(CH)
CT28
100/16
R
T29
1K
RT30
1K
QT21
KTC3199 GR
CT36
0.022
RT32
10K
RT33
56K
RT34
56K
R354 3.9K
R389
3.9K
L352
100
µ
H
R391
270
R393
1K
R377
47K
C395 0.022
C396
100/16
X351
456 kHz
R359
1.8K
C367
1/50
R350
2.7K
C364 4.7/50
C363
0.022 
C365
0.022 
L353
1mH 
VR351
10K(B) 
C362
3.3/50
C350
0.047 
C361
0.022 
C342
0.022
IC303
LA1832S
R351
5.6K
C352
10/50 
C351
0.022
R355
3.3K
C356
0.001
C357
2.2/50
C355
22P
(CH)
C399
0.022 
C398
100/16
R353
270
C354
C353 0.022
0.022
C366
0.001
R356
1K
C368
1/50
CF351 
T351
C358
1/50
R352
1K
C343
33P(CH)
C374
0.022
R358
8.2K
R363
1.2K
C373
0.022
R357
470K
Q351
KRC104 M
R364
1.2K
C372 1/50
C371
1/50
R362 4.7K
R361
4.7K
R370
1K
CF352 
Q301
2SC380 O
R346
330
CF302 
R349
33
R347
6.8K
R348
680 
R344
470 
C330
18P(CH)
R336
10K
C323
0.022 
T302
C332
0.022
C331
0.047
T306
C335
330P
(CH)
C334
18P(CH)
C337
0.022
VD301
SVC348S 
R323
68K
C339
100P(CH)
D301
DS1SS133
D302
DS1SS133
C338
0.001
L341
BALUN
D304
DS1SS133
D303
DS1SS133
CNP301
D311
DS1SS133
D312
DS1SS133
SO301
FM  ANTENNA
TERMINAL
C310 100P(CH)
C311
100P(CH)
C312
100P
(CH)
C384
0.001
R372
1K
R373
1K
R374
1K
D305
DS1SS133
D306
DS1SS133
R399
10K
C389
0.001
R392
 270
DZ351
DZ5.1BSB
R383
5.6K
C302 0.001
Q371
KTA1266  GR
Q360
2SB562  C
R384
5.6K
R371
4.7K
C391
47/16
R385
5.6K
D352
DS1SS133
IC302
LC72131
PLL(TUNER)
C390 0.001
L351
100
µ
H
C394
47/16
C387
0.022 
R380
1.5K
R379
2.2K
C385
0.01
C392
0.001
C393
1/50
R381
10K
R345
4.7K
C321 100/16
R376
1K
C386
330P(CH)
C341
0.1 
C346
0.022 
L342
2.2
µ
H
X352
4.5 MHz
C381
12P(CH) 
C382
15P
(CH)
R378
82K 
C397
0.022
R360
4.7K
R382
150
C380
10/50 
R395
47K 
C347
0.022
C301 0.001
R369
82
C345
0.022 
TP302
CF301
L354
LOW PASS
FILTER
C319
0.1
1
3
2
C320 0.047
IC303
LA1832S
FM IF DET./FM MPX./
AM IF
VT
TP301
VT_CK 
A_GND
TUN_R
VSM
TUN_L
A_+B
D_GND
C2B_CE
C2B_CL
C2B_DI
C2B_DO
C2B_CE
C2B_CL
C2B_DI
C2B_DO
AM LOOP
ANTENNA
1
2
1
2
24
23
22
21
20
19
17
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
FM IF IN
AM MIX OUT
AM OSC OUT
FM  AFC
AM OSC IN 
AM  RF  IN
AM LOW CUT
VSM
FM/AM  OUT
MPX  VCO
MPX  IN
R-CH OUT
L-CH OUT
PHASE 
(FM/AM) 
PHASE 
IF  OUT
VCC 
FM DET
STEREO
SD
GND 
AM IF IN
REG 
MO/ST
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
MUTE
IO2
IF IN
X OUT
X IN
CE
DI
CL
DO
AM IN 
FM IN 
VDD
PD
AIN
AOUT
VSS
FM
MW
MO/ST 
ST  IND
NC
24
23
22
21
20
19
18
17
16
15
14
13
12 11 10
9  8  7  6 
5  4 
3 2 1 
VREF
FLOUT 
VSSA
MPXIN 
CIN 
T1
T2
T3
T5
XOUT
VSSD
T7
SYNC
DI
RDS-ID
DO
CL
SYR
T6
CE
VDDD
XIN 
VDDA
T4
C2B_CL
C2B_DI
C2B_CE
C2B_DO
8
7
6
5
4
3
2
1
ANT
GND
GND
GND
VT
VCC
IF  OUT
F  OUT
18
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
2.3V
0V
0V
0V
2.4V
1.8V
7V
0V
8.3V
0.07V
2V
2V
2V
0V
4.7V
4.7V
2.5V
4.6V
3.9V
3.4V
3.4V
5V
1.8V
2.4V
2.4V
2.4V
5V
0V
2.4V
2.4V
0V
0.5V
2.4V
2.3V
5V
0V
0V
0V
0V
0V
0V
3.6V
1.2V
1.2V
2V
2.1V
2.1V
2.3V
0V
0.3V
2.4V
4.6V
4.6V
3V
0.8V
0V
0V
0V
0V
0V
4.7V
0.1V
3.5V
4.1V
3.6V
4.7V
0V
4.7V
0V
0V
2.3V
4.7V
0.8V
0.8V
1.3V
0V
2.3V
+B
+B
FM 
MUTE
LEVEL
AM IF
AM TRACKING  fL
AM BAND COVERAGE fL
AM ANT.
AM OSC.
FM IF AMP.
AMP.
+B
+B
+B
TO AUDIO SECTION
P63  10-A 
FM IF
FM IF
FM IF 
4.7V
4.7V
0V
10V
10V
9.2V
C320 0.047
– 55 –
CD-MD3000H/CD-MD3000W
Figure 55 SCHEMATIC DIAGRAM (2/16)
7
8
9
10
11
12
CD-MD3000W
1 
3 
2
1
2
3
MAIN PWB-A1(1/3)
AM IF
AM IF
FM IF
FM OSC.
SWITCHING
AM  TRACKING fL
AM BAND
COVERAGE fL
FMRF
TP301
C319
0.1
2
1
3
C320 0.047
C370
1/50
R327
33
C317
0.001
C316
0.1
R354
3.9K
R389
3.9K
L352 100
µ
H
R391
390
R393
1K
R377
47K
C395 0.022
C396
100/16
X351
456kHz
R359
1.8K
C367
1/50
C364
4.7/50 
C363
0.022
C365
0.022
L353
1mH 
C362
3.3/50
C350
0.047 
C361
0.022 
C342
0.022
IC303
LA1832S
FM IF DET./FM MPX./AM IF
R351
5.6K
C352
10/50 
C351
0.022
R355
3.3K
C356 0.001
C357
2.2/50
C355
22P
(CH)
C399
0.022 
R353
270
C354
0.022
C353
0.022
C366
0.001
R356
1K
C368
1/50
CF351
FM IF 
T351
C358
1/50
R352
1K
C343
33P
(CH)
C374
0.015
R358
8.2K
R363
1.2K
C373
0.015
R357
470K
Q351
KRC104 M
R364
1.2K
C372 1/50
C371
1/50
R362 8.2K
R361
8.2K
R370
1K
CF352 
CF302
FM IF
10.7MHz
C330
18P(CH)
R336
10K
C323
0.022 
C332
0.022
C331
0.047
T306
AM OSC.
C335
330P(CH)
C337
0.022
VD301
SVC348S 
R323
68K
C339
100P
(CH)
R325 47K
C318
100P(CH)
R322
680
C303
10P(CH)
BF301 
D301
DS1SS133
D302
DS1SS133
C338
0.001
D304
DS1SS133
D303
DS1SS133
C327
0.1
T312
R311
100K
R313
33K
C309 0.001
C324
4P(CH)
C326
18P(CH)
L312
C305
5P(CH)
C315
0.0047
R302
10
C314
0.0047
C304
0.01
D310
DS1SS133
R314
22
C313
22P
(CH)
IC301
TA7358AP
FM  FRONT END 
C325
15P(CH)
VD302
SVC211C
R309
10K
T311
D311 DS1SS133
D312 DS1SS133
C310
100P
(CH)
C311
100P(CH)
C312
100P
(CH)
C384
0.001
R372
1K
R373
1K
R374
1K
D305
DS1SS133
D306
DS1SS133
R399
10K
C389
0.001
R392
390
DZ351
DZ5.1BSB
R383
5.6K
Q371
KTA1266 GR
Q360
2SB562 C
R384
5.6K
R371
4.7K
C391
47/16
R385
5.6K
D352
DS1SS133
IC302
C390
0.001
L351
100
µ
H
C394
47/16
C387
0.022 
R380
1.5K
R379
2.2K
C385
0.01
C392
0.001
C393
1/50
R381
10K
R345
4.7K
C321
100/16
R376
1K
C386
330P
(CH)
C341
0.1 
C346
0.022 
L342
2.2
µ
H
X352
4.5MHz
C381
12P(CH) 
C382
15P(CH)
R378
82K 
C397
0.022
R360
4.7K
R382
150
R395
47K 
C347
0.022
C301
0.001
C345
0.022 
C334
18P(CH)
BAND
PASS 
FILTER 
VD303
SVC211C
Q302
KTC3194 Y
R369
1K
C308
5P(CH)
C380
10/50
FM
MUTE
LEVEL
VR351
10K(B)
R350
2.7K
C398
100/16
IC302
LC72131
PLL(TUNER)
T302
C306
0.001
0.8V
1.6V
3.6V
1.6V
0V
3.6V
2.9V
3.6V
3.6V
0.1V
1.8V
0.8V
2.3V
0V
0V
0V
4.7V
0.1V
3.5V
4.1V
3.6V
4.7V
0.8V
0.8V
4.7V
4.7V
2.3V
0V
0V
4.7V
4.7V
                                 
0V
9.2V
10V
10V
2V
4.6V
2V
2V
0V
4.7V
4.7V
2.5V
4.6V
3.9V
3.4V
3V
4.6V
2.4V
0.3V
0V
2.3V
2.1V
2V
1.2V
1.2V
3.6V
3.4V
0V
0V
2.3V
1.3V
2.1V
VT_CK 
A_GND
TUN_R
VSM
TUN_L
A_+B
D_GND
C2B_CE
C2B_CL
C2B_DI
C2B_DO
3 
2 
1 
9 
8 
7 
6 
5 
4 
3 
2 
1 
24
23
22
21
20
19
17
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
FM IF IN
AM MIX OUT
AM OSC OUT
FM  AFC
AM OSC IN 
AM  RF  IN
AM LOW
CUT
VSM
FM/AM
OUT
MPX VCO
MPX IN
R-CH OUT
L-CH OUT
PHASE 
(FM/AM) 
PHASE 
IF OUT
VCC 
FM DET
STEREO
SD
GND 
AM IF IN
REG 
MO/ST
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
NC
MUTE
IO2
IF IN
X OUT
X IN
CE
DI
CL
DO
AM IN 
FM IN 
VDD
PD
AIN
AOUT
VSS
FM
MW
MO/ST 
ST  IND
NC
C2B_CL
C2B_DI
C2B_CE
C2B_DO
18
E
F
G
H
I
J
K
L
M
N
TO AUDIO SECTION
P63  10-A
AM  SIGNAL 
FM  SIGNAL 
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
IC303
LA1832S
T311
FM BAND
COVERAGE fL
AM
ANTENNA
OSC BUFF
SWITCHING
SWITCHING
+B
+B
FM
AM
CNP303
1 2 3
3
2
1
FM/AM
LOOP
ANTENNA
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
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
10
11
12
R1141
1K 
C998
22/10 
CNP901
R1133
470
IC912
BU2092F
R1124A
10K
R902  1K
C945
0.1
R1046
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
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
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
R959 1K
R960 1K
C957
150P(CH)
R941
330K
R932 1K
R906  1K
C958
390P
C943
0.1 
R1048
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 
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
FFC901
  
IC901
IX0354AW
SYSTEM
MICROCOMPUTER
D
D
CNP970
IC912
BU2092F
OUTPUT 
EXPANDER
IC905
FFC970
Q905
2SB561 C
Q908
2SB561 C
D952
DS1SS133
SW901
SPAN
SELECTOR
R1033
10K
R1119A  1K 
CNP921
CNP925
R1118A   1K  
18
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
CD-R_SEL
SW12
LCK 
SW10
SW11
SW5 
SW7 
SW8 
SW9 
VSS 
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
BACK  LED  CONT  5V
 
33  
32 
31  
30  
29  
28  
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 
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_R
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
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
– 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
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
9
8
7
6
5
4
3
2
1
3
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
R996  1K
C956 10/50 
R1067
100mA
R1183
100mA
R763
2.7K
R762
6.8K
C714
47/16
R768
2.2
(1/2W)
R1017    10K
R1016    10K
CNP933
CNP935
CNP934
R1028
27K
R1090
5.6K
R1089
5.6K
R1094
5.6K
L911
2.2
µ
H
R902  1K
R903  1K
CNP931
C1006
47/50
C1005
0.1
C1003
47/50
C1004
0.1
C975
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
R976  1K
R977  1K
R979  1K
R980  1K
R981  1K
R990  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
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
D951
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
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
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
JOG-B 
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
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
  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
(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
TO DECK SECTION 
+B
1
28 
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  • Here you can View online or download the Service Manual for the Sharp CD-MD3000 (serv.man11) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp CD-MD3000 (serv.man11) System. Information contained in Sharp CD-MD3000 (serv.man11) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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CD-MD3000 (serv.man11) Service Manuals

Preview DownloadPagesSize
CD-MD3000 (serv.man17) Packing method Service Manual 1 38.86 KB
CD-MD3000 (serv.man31) Block diagrams Service Manual 7 335.7 KB
CD-MD3000 (serv.man30) CD circuit waveforms Service Manual 1 1.06 MB
CD-MD3000 (serv.man29) CD section safety precaution Service Manual 1 159.72 KB
CD-MD3000 (serv.man28) Disassembly Service Manual 4 262.83 KB
CD-MD3000 (serv.man27) EEPROM writing procedure Service Manual 2 28.8 KB
CD-MD3000 (serv.man26) Error message list Service Manual 2 21.75 KB
CD-MD3000 (serv.man25) IC function tables Service Manual 15 139.19 KB
CD-MD3000 (serv.man24) Important servicing notes Service Manual 1 159.72 KB
CD-MD3000 (serv.man23) LCD display segments details Service Manual 1 45.7 KB
CD-MD3000 (serv.man22) LED and transistor pin outs Service Manual 1 19.38 KB
CD-MD3000 (serv.man21) MD section safety precautions Service Manual 1 40.61 KB
CD-MD3000 (serv.man20) MD circuit waveforms Service Manual 2 715.02 KB
CD-MD3000 (serv.man19) Names of parts Service Manual 3 442.39 KB
CD-MD3000 (serv.man18) Notes on the schematic diagram Service Manual 1 13.44 KB
CD-MD3000 (serv.man16) Service Manual 22 755.43 KB
CD-MD3000 (serv.man15) PCB layout 2 Service Manual 6 934.18 KB
CD-MD3000 (serv.man14) PCB layout 1 Service Manual 8 1.35 MB
CD-MD3000 (serv.man13) Primary supply wiring details Service Manual 1 14.66 KB
CD-MD3000 (serv.man12) Removing and installing main parts Service Manual 3 150.78 KB
CD-MD3000 (serv.man10) Service Manual 127 10.08 MB
CD-MD3000 (serv.man9) Front cover Service Manual 1 373.68 KB
CD-MD3000 (serv.man8) Test mode details Service Manual 11 132.73 KB
CD-MD3000 (serv.man7) Trouble shooting guide Service Manual 6 40.74 KB
CD-MD3000 (serv.man6) Voltage tables Service Manual 1 19.38 KB
CD-MD3000 (serv.man5) Revised CD Mechanism Service Manual 12 1.91 MB
CD-MD3000 (serv.man32) Adjustments Service Manual 2 25.13 KB
CD-MD3000 (serv.man33) CD change assembly and adjusting procedure Service Manual 7 359.59 KB
CD-MD3000 (serv.man2) User Manual / Operation Manual 60 6.29 MB
CD-MD3000 (serv.man3) Quick Start Guide User Manual / Operation Manual 6 865.35 KB
CD-MD3000 User Manual / Operation Manual 60 6.29 MB
CD-MD3000 (serv.man34) Service Manual / Specification 1 16.34 KB
CD-MD3000 (serv.man35) Cassette mechanism parts available Service Manual / Technical Bulletin 2 81.01 KB
CD-MD3000 (serv.man36) MD mechanism improvement. Service Manual / Technical Bulletin 1 69.13 KB
CD-MD3000 (serv.man37) Extra hole created for the transportation screw. Service Manual / Technical Bulletin 1 71.33 KB
CD-MD3000 (serv.man38) Parts change (bracket, heat sink support). Service Manual / Technical Bulletin 1 70.68 KB

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