DOWNLOAD Sharp CD-BA2000 (serv.man5) Service Manual ↓ Size: 3.63 MB | Pages: 68 in PDF or view online for FREE

Model
CD-BA2000 (serv.man5)
Pages
68
Size
3.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / (updated July 2001)
File
cd-ba2000-sm5.pdf
Date
PREV: Sharp CD-BA2000 (serv.man4) Service Manual

Sharp CD-BA2000 (serv.man5) Service Manual ▷ View online

– 21 –
CD-BA2000H
 Figure 21 BLOCK DIAGRAM (1/3)
CNP12 
CNP11
Q2
+3.3V 
+5V 
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLD0
SPD0
FD0
TD0
+5V 
TO DISPLAY SECTION
CLAMP SW
CDINT
WRQ
CE
DO
CLK
DI
CD RES
GND
DRF
CNS4
BI4
CNP4
M2
SLED
MOTOR 
M1
SPINDLE
MOTOR
M
M
TRACKING  COIL 
FOCUS  COIL
PICKUP UNIT 
TE
FE
RFEV
HFL 
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V 
Q1
LDD 
PD
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLIDE DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
R-CH
L-CH
AGND
DGND
+5V(+B5)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
4
3
3
2
5
4
1
1
2
3
4
7
8
2
1
7
8
9
10
1
2
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
T/T
UP/DOWN
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75
76
45
46
47
48
32 31
30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DEF
52
51
XOUT
XIN
73
5 18 36 44 49 50
7
14
15 16
23
24
25
26
33
3
13
19
40
64
74
17
18
19
20
21
22
30
23
11
9
1
4
5
6
7
15
16
26
27
2
17
25
41
42
38
39
35
29
22
21
14
8
40
24
23
28
SW4
PICKUP IN
Q3
LASER
DRIVER
CONSTANT
VOLTAGE
+3.3V
+5V
VCC4
18
VCC1
VCC2
VCC3
CD-BA2000H
– 22 –
 Figure 22 BLOCK DIAGRAM (2/3)
-B2
+B4
-20dB
ATT
SYSTEM
MUTE
Q605
Q606
Q603
Q604
+B4
INP
E
L
R
BIAS
T1/T2 
REC 
MUTING
Q121
Q122
AC BIAS 
R 
L 
JK601
VIDEO IN
L 
L 
R 
R 
R 
L 
R 
L 
AUX 
TAPE
TUNER 
CD
P.B
CNS601
FROM CD SECTION
CNP11
ERASE
HEAD
SWITCHING 
SWITCHING 
SWITCHING 
BIAS
Q110
Q111
Q109
Q126
SWITCHING 
Q124
L103
BIAS
OSC
Q128
L104
Q107
Q108
REC PB HEAD 
TAPE 2
PB HEAD 
TAPE 1
L-CH
R-CH
L-CH
R-CH
IC601
LC75341
AUDIO PROCESSOR
H/N 
P.B 
+B4
R  
R  
L  
L  
REC
R
L
L NF
R NF
ALC 
REC 
T1/T2 
T1/T2 
NOR/
HIGH
REF
R REC
L REC
POP REDUCE
R NF
L NF
SWITCHING 
Q103-
Q106
L(T2)
R(T2)
R(T1)
L(T1)
IC101
AN7345K
PLAYBACK  AND  RECORD
/PLAYBACK  AMP.
12
13
11
16
3
8
4
15
10
9
7
7
1
8
17 18
4
21
12
13
1
2
3
20
19
7
18
10
8
17
13
21
4
5
2
3
4
6
9
16
12
15
1
14
14
23
24
P.B 
REC 
23
14
8
5
~
+B4
L
OPE
AMP.
KIA4558P
IC561
IC562
IC563
VCC
Q708
+3B
+3B
M
Q704
Q705
IC701
54PIN
IC701
53PIN
IC701
56PIN
IC701
55PIN
MM1
TAPE
MOTOR
SOLM1,SOLM2
SOLENOID
SWM2
T2 PLAY
SWM1
T1 PLAY
SWM4
R. PLAY
SWM3
F. PLAY
MOTOR
DRIVER
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72722
RDS
X351
456kHz
FM IF
CF351
+B4
+B4
+B4
QT21
AMP.
FM +B
VT
T306
T303
L341
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
Q360
R
L
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832
FM/AM IF MPX.
IF
OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
AM OSC
REG
IN
OUT
VCC
FM IF IN
1
2
3
4
5
8
9
17
19
20
18
16
15
14
12
11
10
6
7
13
21
22
23
24
FM IF
AMP
Q301
FM IF
FM
X352
4.5MHz
OSC
STEREO
IC302
LC72131
PLL (TUNER)
IN
AM
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
BALUN
AM OSC
VOLTAGE
REGULATOR
AM ANT
AM RF
AM LOOP ANT
SO301
ANTENNA
TERMINAL
2
8
6
7
3
4
1
5
4
3
6
9
5
21
12
13
10
11
16
15
22
20
7
1
4
2
3
23
22
21
20
15
14
13
12
QT22
– 23 –
CD-BA2000H
 Figure 23 BLOCK DIAGRAM (3/3)
D801
RY801
VLOAD 
+B7
SYS.  STOP 
RESET 
IC703
KIA7042P
RESET
Q709
Q910
+B5
M901
FAN MOTOR 
M
SUB
WOOFER
MAIN
SO901
SPEAKER
TERMINAL
RY902 
RY901 
Q909
+B7
+B7
+B7
+B7
+B3
+B7
VDD 
VDD
VDD 
+B6
LCK 
CL
DI
Q801
+B4
-B2
R 
R 
L 
L 
Q901
Q902
Q903
Q904
L-OUT
R-OUT
R-OUT 
L-OUT 
SP. DET.
Q905
Q906
Q907
Q908
UNSWITCH 5V
CD+B 
+5V 
A10V
M10V
+B7
+B5
+B6
+B4
+B3
Q821
IC801
KIA7805P
VOLTAGE
REGULATOR
IC802
KIA7810AP
VOLTAGE
REGULATOR
Q823
SYSTEM
MUTE
Q605
Q606
CE
DI
CL
DO
XL701
IC903
KIA4558P
OPE AMP.
Q802
D812-D815
T802
POWER
TRANSFORMER
D804-D807
D803
D802
IC702
BU2902F
INPUT/OUTPUT
EXPANDER
F805
T2A L 250V
+Vcc
STK402-071
F801
T4A L 250V
F800
T4A L 250V
F803
T5A L 250V
F802
 T5A L 250V 
-Vcc
-Vcc
+Vcc
IC901 
POWER  AMP.
IC902
STK402-040
POWER AMP.
BIAS
T1/T2 
REC 
AVDD
KEY
SW701-SW716
SW722-SW729
SW731-SW734
TO CD
SECTION 
Q701-Q703
Q710-Q712 
AC POWER
SUPPLY CORD
IC701
IX0333AW
SYSTEM CONTROL
MICROCOMPUTER
FL701
DISPLAY
1
3
2
7
4
6
1
8
2
3
5
18
85
80
33
31
1
2
3
45
1 2 3
5
7
13
9 10
15 16
17
20 21 22 23 24
25
86
91
92
79
78
60
59
39
38
36
34
1
15
10
7
13
9
8
10
1
15
8
9
13
7
12
13
4
2
1
3
7
1
27
28
3
6
2
15
1
20
53
56 57 58
T.F
CONSTANT
VOLTAGE
REGULATOR
~
~
~~~
~
11 12
100
58 57 56 55 54 53 52 51 50 49 48 47 46
44 43 42 41 40
37
35
JK601
HEADPHONES  
14
~
~
~
29
14
8
5
~
+B4
RESET
T801
POWER TRANSFORMER
AC  230V
       50Hz
L801
LINE
FILTER
R
L
+B1
VF2
VF1
-VF
CONSTANT
VOLTAGE
-B2
+B2
-B1
R
L
DRIVER
JOG701
JOG
RX701
REMOCON
SENSOR
10Hz
IC701
IX0332AW
SYSTEM
MICROCOMPUTER
63Hz
P
CD-BA2000H
– 24 –
Figure 24 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
 
CD SIGNAL
GND(D)
PUIN
SP-
SP+
SL+ 
SL- 
CD MOTOR PWB-D
PICKUP UNIT
TR-
TR+
FO+
FO-
GND
ACTUATOR
FO+
FO-
TR-
TR+
PD
VR
LD
LD
VR
PD
GND
FO-
FO+
TR+
TR-
5
2
1
2
3
4
5
6
7
8
8
3
6
7
1
4
1
2
3
4
5
6
7
8
8
3
6
7
1
4
5
2
Vcc
C
Vref
F
B
E
A
2
5
3
1
7
6
4
4
3
2
1
7
6
5
5
1
3
7
6
4
2
4
3
2
1
7
6
5
FIN2
FIN1
TIN2
TIN1
+B
FIN1
FIN2
TIN1
LDON
EFBL
REF1
AGON
LDD 
TEST0 
GND 
VREF
TES1
NC
TEST
HFL 
TE
TE- 
FE
FE- 
RFEV
BH
PH
RF
RF- 
RFSW
VCC 
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
REF
ODRV
AGCON
ODRV
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
AGCON
ODRV
APC
LPF
DH
PH
LPF
LPF
PH/BH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PH
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
VCC3
VCC2(SPN)
SP-
SP+
SPO
GND
+B
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SLDO
FDO 
TDO 
MUTE
Vref
STANDBY
VCC1
SL-
SL+
GND
TR+
TR-
FO-
FO+
FO
FD
TO
+B
+B
M
M
R54 68K
R53 68K
R52 68K
R51 68K
CNP1
R56
68K 
R55
68K 
C6
100/6.3
TIN2
C54
47/10
C55
0.01
C51
47/10
C53
0.001
R25
10K
C7
10/16
C8
0.022
R47
3.3
Q3
KTA1266 GR
LASER
DRIVER
R50
47
C14
0.33
C13
0.01
R3
47K
R4
10K
C11
47/6.3
R6
27K
R7
6.8K
R5
39K
C12
0.022
C18
3P
(CH)
R8
330
R10
27K
C26
0.047
C22
100P
R80
1M
R79
1.5M
C24
2.2/50
C21
0.1
C23
0.047
R12
680
R
1
R11
12K
R
6
0
C27
0.1
C17
0.0047
R15
10K
C20
0.1
C42
68P
(CH)
C41
100/6.3
C28
47/10
C82
0.022
R4
1K
0
EFBL
TDO 
FDO
C47
100/6.3
LOADING  M-
VCC4
LD_M+
LD_M-
LOADING  M+
SPDO
C49
100/16
C50
100/6.3
C46
0.022
IC3
M63001FP
FOCUS/TRACKING/ SPIN/SLED DRIVER
R48
6.8K
R96
1.5K
C52
0.01
CNP2
CNP3
CNS3A
CNS3B
+
- 
-
+
3
2
5
1
4
6
2
3
5
1
4
6
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
SW4
PICKUP IN
IC1
LA9235M
SERVO AMP.
CD SERVO PWB-C
CNS1A
CNS1B
CNS2A
CNS2B
3
6
1
4
5
2
2
3
5
1
4
6
CNP3A
+B
+B
+B
+B
+B
-  + 
- 
+ 
+ 
- 
+
-
-
+
-
+
+
-
+ - 
- 
+ 
+ 
- 
- 
+ 
+ 
- 
+ - 
- 
- 
+ 
+ 
R42
120K
13
2
5
8
4
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