DOWNLOAD Sharp CD-BA1200 (serv.man11) Service Manual ↓ Size: 2.92 MB | Pages: 60 in PDF or view online for FREE

Model
CD-BA1200 (serv.man11)
Pages
60
Size
2.92 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Including circuit diagrams
File
cd-ba1200-sm11.pdf
Date
PREV: Sharp CD-BA1200 (serv.man10) Service Manual

Sharp CD-BA1200 (serv.man11) Service Manual ▷ View online

– 17 –
CD-BA1200H
 Figure 17 BLOCK DIAGRAM (1/3)
CNP12 
CNP11
Q2
+3.3V 
+5V 
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLDO
SPDO
FDO
TDO
+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
RFENV
HFL 
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V 
CONSTANT
VOLTAGR
+5V
Q1
Q3
LASER
DRIVER
LDD 
PD
VCC3
VCC2
VCC4
VCC1
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
R-CH
L-CH
AGND
DGND
+5V(+B4)
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
18
24
23
28
SW4
PICKUP IN
+3.3V 
CD-BA1200H
– 18 –
 Figure 18 BLOCK DIAGRAM (2/3)
FMAFC
BALUN
L341
REC/PLAY
CL
CE
DI
SYSTEM
MUTE
DO
CL
DI
CE
MO/ST
+B3
SWITCHING
+B3
FM/AM
PLL(TUNER)
LC72131
IC302
OUT
FM/AM
+B3
L
R
BAIS
T1/T2
MUTING
Q110
Q111
P.B.
REC
ACBIAS
L
L
R
R
R
L
TAPE
TUNER
CD
PB
CNS601
CNP11
FROMCDSECTION
HEAD
ERASE
SWITCHING
SWITCHING
SWITCHING
BIAS
Q102
Q103
Q101
Q113
SWITCHING
Q112
L103
BIAS
OSC
L104
Q114
Q109
Q108
Q
RECPBHEAD
TAPE2
PBHEAD
TAPE1
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIOPROCESSOR
+B3
R
L
REC
R
L
LNF
RNF
ALC
REF
RREC
LREC
POP
REDUCE
RNF
LNF
SWITCHING
Q107
Q104~
L(T2)
R(T2)
R(T1)
L(T1)
/PLAYBACKAMP.
PLAYBACKANDRECORD
IC101
AN7345K
R
L
FM/AM
MPXIN
STEREO
AMRFIN
AMOSCIN
FM +B
Q360
VT
FMOSC
OSC
4.5MHZ
X352
COVERAGE
AM BAND
AM TRACKING
T303
Q301
X351
456kHz
MO/ST
VCO
DET
FM
FM+B
GND
AM IF
CF351
FM IF DET./FM MPX./AM IF
LA1832S
IC303
MIX
CF352
T351
CF302
CF301
FM FRONT END
TA7358AP
FE301
AM LOOP
ANTANNA
FM
ANTENNA
11
7
7
5
6
1
2
3
4
8
22
3
21
4
24
2
1
8
18
17
5
4
3
9
10
18
1
16
3
15
10
9
7
23
14
12
13
1
2
20
19
7
18
10
8
17
13
21
4
5
2
24
23
6
9
16
12
15
1
5
1
3
1
2
7
9
8
17
6
2
1
20
22
17
16
15
13
14
12
15
16
23
4
H/N
P.B
REC
T1/T2
T1/T2
HIGH
NOR/
Q602
Q601
5
24
21
22
AM
T306
FM
4
TAPE
MOTOR
SOLENOID
T2 PLAY
T1 PLAY
R.PLAY
F.PLAY
Q706
Q704
Q705
IC701
54PIN
IC701
53PIN
IC701
56PIN
IC701
55PIN
M
MOTOR
DRIVER
+2B
+2B
AM IF
12
14
– 19 –
CD-BA1200H
 Figure 19 BLOCK DIAGRAM (3/3)
+B2
JK901
HEADPHONES
RESET
Q904
M10V
+B2
D806
+5V
Q803
+B6
UNSWITCH
5V
RL801
D802~805
PT802
SUB POWER
TRANSFORMER
L801
LINE
FILTER
SO902
AC INPUT
PT801
MAIN POWER
TRANSFORMER
REC/PLAY
VLOAD
+B6
RESET IC
SYS.STOP
RESET
IC704
KIA7042PA
Q707
TERMINAL
SPEAKER
SO901
+B6
+B6
+B6
+B6
VDD
VDD
VDD
R-OUT
L-OUT
SP.DET.
Q902
Q901
+5V
A10V
+B4
+B3
IC904
KIA7810AP
VOLTAGE
REGULATOR
IC903
AN7805
CONSTANT
VOLTAGE REGULATOR
IC902
SYSTEM
MUTE
CE
DI
CL
DO
+B1
+B3
XL701
4.1943 MHz
D911  D914
D907  910
F901
T2.5A L 250V
Vcc
L
R
POWER
 
AMP.
LA4282
IC901
BAIS
T1/T2
AVDD
SW723-SW725
SW709-SW721
SW701-SW703
KEY
SECTION
TO CD
Q701
SUPPLY CORD
AC 230V,50Hz
AC POWER
T.F.
IC701
IX0337AW
SYSTEM
MICROCOMPUTER
DISPLAY
FL701
17
9
7
2
3
1
7
1
4
Q602
Q601
1
2
3
10
11
13 15 16 19 20 22 26
14 17 18 21 27
30
31
32 33
71
78
79
80
91
92
99
100
1
4 5 6
10 11 12 13 15 16
20 21 22 23 24
39
38
37
36
35
34
33
31
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
11
9
4
10
2
5
L
R
F902
T1.6A L 250V
VF1
VF2
KIA7810AP
VOLTAGE
REGULATOR
Q903
5W
+B5
CD-BA1200H
– 20 –
Figure 20 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 15.
 
42
41
40
39
38
37
36
LOADING  M-
VCC4
LD_M+
LD_M-
LOADING  M+
35
34
33
32
31
30
29
28
27
26
25
24
23
22
SPDO
VCC3
VCC2(SPN)
SP-
SP+
SPO
GND
+B
EFBL
B
P
A
AD
PH(RF
TDO 
FDO 
P
S
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
LDON
EFBL
FIN1
FIN2
REF1
TIN2
TIN1
AGON
LDD 
TEST0 
GND 
VREF
TES1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FIN2
FIN1
TIN2
TIN1
+B
+B
2
5
3
1
7
6
4
4
3
2
1
7
6
5
CD SERVO PWB-B
5
1
3
7
6
4
2
4
3
2
1
7
6
5
Vcc
C
Vref
F
B
E
A
LD
VR
PD
GND
FO-
FO+
TR+
TR-
5
2
1
2
3
4
5
6
7
8
8
3
6
7
1
4
TR-
TR+
FO+
FO-
GND
PD
VR
LD
ACTUATOR
FO+
FO-
TR-
TR+
1
2
3
4
5
6
7
8
8
3
6
7
1
4
5
2
PICKUP UNIT 
GND(D)
PUIN
SP+ 
SP- 
SL+ 
SL- 
3
2
5
1
4
6
2
3
5
1
4
6
3
6
1
4
5
2
2
3
5
1
4
6
CD MOTOR PWB-C
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
+
+
+ 
+ 
+ 
+ 
+ 
+ 
+ 
-
-
-
-
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
+
+ 
+B
+B
+B
+B
+
- 
-
+
M
M
+ 
+ 
+ 
+
R54 68K
R53 68K
R52 68K
R51 68K
CNP1
R56
68K 
R55
68K 
C6
100/10
C54
47/10
C55
0.01
C51
47/10
C53
0.001
R25
10K
C7
10/16
C8
0.1
R47
3.3
Q3
KTA1266GR
LASER DRIVER
R50
47
C14
0.33
C13
0.01
R42
120K
R3
100K
R4
10K
C11
0.47/6.3
R6
27K
R7
6.8K
R5
39K
C12
0.1
C18
3P
(CH)
C19
100/10
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
R1
1.2
R11
12K
R13
680
C8
0.02
C27
0.1
C17
0.0047
R15
10K
C20
0.1
C42
68P
C25
0.1
C41
100/10
C28
47/10
C82
0.022
R44
1K
C29
0.1
D93
DS1SS133
R43
220K
C47
100/16
C49
100/16
C50
100/16
C46
0.022
IC3
M63001FP
FOCUS/TRACKING/ SPIN/SLED DRIVER
R48
6.8K
C52
0.01
CNP2
CNP3
CNS3A
CNS3B
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
SW4
PICKUP IN
IC1
LA9235M
SERVO AMP.
CNS1A
CNS1B
CNS2A
CNS2B
CNP3A
13
2
5
7
8
4
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