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

– 21 –
CD-BA1200H
Figure 21 SCHEMATIC DIAGRAM (2/10)
7
8
9
10
11
12
• The numbers   
1 
  to  
13 
 are waveform numbers shown in page 16.
 
CD SIGNAL
RES
WRQ
CE
DO
CL
DI
DRF
INT
+B
XVDD
RVSS
RCHO
RVDD
XIN
51
50
49
48
47
63
62
61
60
59
58
57
56
55
54
53
52
XOUT
XVSS
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
16M 
SFSY
SBSY
PW
64
SBCK
CE
CL
DI
DO
INT
WRQ
SERIAL
OUT 
EXTERNAL
AUDIO  IN
DIGITAL
FILTER
1BIT
DAC
LPF
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
CLOCK
GENERATOR
SUBCODE
DECODE
CRC
COMMAND
INTERFACE
AGND
R-CH
EMPH
MUTEL
MUTER
LVDD
LCHO
LVSS
+5V
DGND
1
2
3
4
5
+B
+B
CNS601
P22  1 - B
TO MAIN PWB
INT
DRF
WRQ
CE
DO
DI
CL
RES
DRF
GND
CD  RES
DI
CLK
DO
CE
WRQ
CDINT
CLAMP  SW
10
9
7
1
2
3
4
5
6
8
+B
+B
+B
P25  12 - B
CNS702
TO DISPLAY PWB
DISC_NO
O/C
GND(D)
M-
M+
CD LOADING
MOTOR PWB-E
TEST
DOUT
VDD 
C2F 
PCK 
40
39
38
37
36
35
34
33
32
31
30
29
28
27
EFLG
41
FSX 
CONT5
CONT4
CONT3
CONT2
CONT1
LASER
+B
+B
+B
1
3
2
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
+B
JITTC
JITTV
EFMIN
EFBL
FDO
TDO
TBLO
BHREF
PHREF
ADAVSS
ADAVDD
VREF
TE
FE
PH(RFENV) 
BH
TDO 
SLDO
SPDO
FDO 
SPDO
FG(D_Vref)
SLDO
AUDIO
OUT
ERROR
CORRECT
GENERAL
SW
SERVO
PROCESSEROR
AUTO
ADJUST
S/H
JITER
DEFECT
CONTROL
A/D
SW
D/A
+B
+B
5
4
3
2
1
PCKIST
VVDD
VVSS
PD02
PD01
73
80 79 78 77 76 75 74
FRAME  SYNC
DEFECT,PROTECT
EFM  DECODE
CLV
CONTROL
GENERAL 
SLICE
LEVEL
CONTROL
PLL
VCEC
SLCO
SLCIST
HFL
FR
VDD5V
CONT7
CONT6
VSS
V/vP
FSEQ
DEFECT
EFMO
RES
DEF
O/C 
DISC_NO 
+B
72 71 70 69 68 67 66 65
11
10
9
8
7
6
24
23
22
21
20
19
18
17
16
15
14
13
12
-
+
+B
+B
+
-
1
2
3
4
5
6
6
5
4
3
2
1
5
4
3
2
1
M
6
L-CH
+B
+B
46
45
44
43
42
+B
26
25
+B
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
R14
1.2K
R11
12K
R13
680
C81
0.022
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
R35
1K
R38
270
R39
470
R16
10K
R17 1K
R46 1K
R45 1.2K
R40 1.2K
C31
100/10
C30
0.1
L61
0.82
µ
H
C64
0.47/6.3
ZD61
DZ3.9BSB
R19
47
C39
10/16
R58
220
Q1
KTC3203Y
CONSTANT VOLTAGE
C56
330/6.3
C83
0.022
R84
10K
C40
0.0015
C43
0.0015
R83
10K
C34
0.022
R82
2.2K
R81
2.2K
C38
10/16
R20
220
XL1
16.9344MHz
C45
100/10
C44
0.1
C80
0.1
R73 1K
R71 1K
C72 0.01
R72 1K
C71 100P
C73 100P
C75 100P
C76 100P
C77 100P
C78 100P
R75 1K
R76 1K
R77 1K
R78 1K
C74 100P
R74 1K
L62
2.2
µ
H
R94
10K
R95
10K
R67 1K
R68 1K
IC2
LC78641E
SERVO/SIGNAL
CONTROL
CNP11
CNP12
CNP4
SW3
DISC
NUMBER
SW2
CLAMP
SW1
OPEN/
CLOSE
D21
DS1SS133
R21
470
R22
470
Q2
KRC102M
D22
DS1SS133
C47
100/16
BI4
CNS4
M3
T/T
UP/DOWN
LOADING
1
6
9
13
2
10
11
12
3
7
8
CD-BA1200H
– 22 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
Figure 22 SCHEMATIC DIAGRAM (3/10)
24
23
22
21
20
19
18
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+5V
GND
L
GND 
R
M_GND
+B
+B
P26  1 - G
TO POWER PWB
(CD_GND)
(A_GND)
+5v +B
+B
+B
CD_GND
REC_R 
L-CH
A_GND 
R-CH
TAPE1_R
TAPE1_L
A_GND
A_GND
ERASE
TAPE2_R2
TAPE2_R1
TAPE2_L1
0V
0V
0.7V
0.7V
3
1
7
6
5
4
3
2
1
2
3
1
2
L 
R 
ALC 
ALC 
RIPPLE
Nor/CrO2
- 
+ 
- 
+ 
Hich=T1 
+ + 
- 
- 
Hich=CHROME 
56K 
112K
56K 
112K
CD
TUN 
DECK
AUX 
LSEL0 
-  + 
-  + 
-  + 
- 
+ 
- 
+ 
- 
+ 
- 
+ 
- 
+ 
CCB
INTERFACE
R1
R2
R3
R4
RSEL0 
RIN 
RTRE
RBASS 
ROUT
VREF
VDD 
CLK 
L1
L2
L3
L4
LIN 
LTRE
LBASS 
LOUT
VSS 
CE
DI
TAPE2_L2
3
1
2
5
4
3
1
2
5
4
17
4
18
12
19
2
3
1
1
3
2
CNP11
TO CD SERVO
PWB
P21  12 - D
CNS102B
CNS102A
CNS101B
CNS101A
R-CH
L-CH
PLAYBACK 
HEAD
TAPE1
RECORD/
PLAYBACK  HEAD  
TAPE2 
R-CH
L-CH
ERASE
HEAD
3
1
2
3
1
2
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
FM SIGNAL 
PLAYBACK SIGNAL 
RECORD SIGNAL 
CD SIGNAL 
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
MUTING
M
SYSTEM MUTE
SYSTEM MUTE
BI601
CNS601
Q602
2SC3331
C602
0.001
C601
0.001
Q601
2SC3331
R603
1.8K
R604
1.8K
R607
2.2K
R608
2.2K
R609
10K 
R610
10K 
R602
330
R601
330 
D902
1SS133
C603
22/25
R625
22K
R615
3.9K
C607 10/50
C609
0.1(ML)
C611
0.1(ML)
C623
1/50
C629 1/50
C617 1/50
C613 0.0027
C625
1/50
C627
1/50
R617
3.3K
C633
0.001
IC601
LC75341
AUDIO PROCESSOR
C630
1/50
C605
0.022
C604
100/25
C610
0.1(ML)
C612
0.1(ML)
C618
1/50
R616
3.9K
C614
0.0027
C608
10/50
C606
22/50
C628
1/50
C626
1/50
C624
1/50
R618
3.3K
LUG1
MECHA  BASE  GND
R102
10K 
R101
10K 
R103
4.7K
Q101
KTA1266  GR 
C101
0.047
R157
100 
Q102
KRC104  M 
C108
100/16
R104
1K
R137
15K 
Q103
KRC104  M 
C103
560P
C102
560P
CNP101
Q104
2SC1845F 
C104
180P
R105
1K
R106
2.2K
R110 47K
R108
3.3K
Q106
2SC1845F 
CNP102
Q105
2SC1845F
C105
180P
R107
2.2K
R109
3.3K
Q107
2SC1845F
R113
47K 
Q109
2SC3331
C107
560P
R111
4.7K
R112 4.7K
C106
560P
Q108
2SC3331
C123
1/50
R123
5.6K
C121
560P
R119
100K
R121
3.9K
C119
0.033
C117
100/25
C115
330P
C137
0.022 
R125
33K 
R138
15K 
R117
56
R115
1K
C113
330P
R131 1.5K
C131
0.022
R127
6.8K
R135
10K 
C133 0.0033
R129 3.9K
C135
47/25 
C129
22/25 
C127 270P
R133
100 
C139
3.3/50
C138
220/10
C136 22/25
C146
0.001
C122
1/50
C116
100/25
C120
560P
R120
3.9K
C118
0.033
R118
100K
R124
33K 
C128
22/25 
R128
6.8K
C126
270P 
R132
1.5K
R126 68K
C134
47/25 
R134
100 
R136
10K
C112
330P
C130
0.022 
R130
3.9K
R116
56
C114
330P
C132
0.0033
R114
1K
R122
5.6K
R140
10K 
Q110
2SC3331
R142
220K
R141
10K 
Q
2S
IC101
AN7345K 
IC101:PLAYBACK AND RECORD/
PLAYBACK AMP.
L101
2.2mH 
L102
2.2mH 
– 23 –
CD-BA1200H
Figure 23 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
18
17
16
15
14
13
12
11
10
9
8
7
24
23
22
21
20
19
18
17
16
15
14
13
-VP 
GND 
A_10V 
M_10V 
A_10V 
GND 
GND 
GND 
VF2 
VF1 
POWER 
CE
DO
UN_SW_5V
CLK 
DI
TUN_L 
TUN_R 
(A_GND) 
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
(D_GND) 
POWER
P26  1 - G
TO POWER PWB
(M_GND) 
(D_GND) 
M_GND
UN_SW  5V
SW_5V
AC_RLY_CONT
D_GND
M_10V
VF1
VF2
-VP
T_BIAS
SMUTE
REC/PLAY
T_T1/T2
CE
SM
DI
CLK
DO
REC_L 
REC_R 
P29  12 - H
TO TUNER PWB
0V
0V
0.7V
0.7V
0V
0V
0V
11.7V
11.6V
11.6V
0V
2
1
3
0V
0V
0V
0V
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
AC_RLY_CONT 
SW_5V 
SM
21
20
Vcc 
ALC 
GND 
ALC 
RIPPLE
Nor/CrO2
+ 
+ 
- 
- 
Hich=CHROME 
56K 
56K 
R1
R2
R3
R4
L0 
RIN 
TRE
SS 
OUT
REF
DD 
CLK 
10
4
5
7
6
9
2
3
8
1
5
15 14 16
21
10 12 22 11 13 20
1
21
1
CNP701
P25  12 - D
TO DISPLAY PWB
MAIN PWB-A1(1/3)
MUTING
MUTING
SWITCHING
BIAS
BIAS OSC
C630
1/50
C605
0.022
C604
100/25
C610
0.1(ML)
C612
0.1(ML)
C618
1/50
R616
3.9K
C614
0.0027
C608
10/50
C606
22/50
C628
1/50
C626
1/50
C624
1/50
R618
3.3K
R131 1.5K
C131
0.022
6.8
K
R135
10K 
C133 0.0033
R129 3.9K
C135
47/25 
C129
22/25 
C127 270P
R133
100 
C148
0.047 
Q112
KTA1266  GR 
R148
22K 
R146
82
(1/2W) 
L103
100
µ
H 
R147
47K 
Q114
KTC3203  Y
C141
0.039
(ML) 
R149
4.7 
L104
330
µ
H 
C142
47/25 
C140
0.0082
(PP)
Q113
KRC104  M 
R144
47K 
R145
4.7K
C145
470P
R139
180
C138 220/10
C136 22/25
C128
22/25 
6
.8K
C126
270P 
R132
1.5K
C134
47/25 
R134
100 
R136
10K
C130
0.022 
3.9K
C132
0.0033
R143
220K
R140
10K 
Q110
2SC3331
R142
220K
R141
10K 
Q111
2SC3331
1
5K 
CNP701
FCC21
CD-BA1200H
– 24 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 24 SCHEMATIC DIAGRAM (5/10)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
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
P9
P10
P11
0V
0V
12V
12V
12V 
12V 
T2  PLAY
T2  RUN
+5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+MTR
SOL2
SOL1
T1  RUN
GND
F_REC
T2 PLAY  SW_B
T1 PLAY  SW_A
T1 RUN
POWER 
F
9G
4G
3G
2G
1G
P17
P18
P19
P12
P1
8G
P2
P3
7G
6G
P4
P5
5G
P6
P7
P8
P9
P10
P11
P14
P20
P13
P16
P15
F
F
T-BIAS
T_T1/T2
VDD
X1
X2
AVDD
RESET
CD  CE
CD  DI
WRQ
CD  INT
P19
P12
P1
P2
P3
P4
P5
P6
P7
P8
P20
P13
CE
S-BUSY
REC/PLAY
RES  OUT
VPP/IC
CD  CLK
CD  DO
CLK
DI
DO
AVSS
M-BUSY/TUN  SM
SPEANA3
SPEANA2
SPEANA0
KEY 2
KEY 1
KEY 0
SYS STOP
NO USE
REMOCON 
VSS 
SMUTE 
T_SOL_A 
T_MOTOR 
TIMER  LED 
VDD 
AC RLY_CONT 
KARAOKE LATCH
DIST3
DIST2
DIST1
DIST0
VLOAD
P18
P17
5G
VDD
T_SOL_B 
CD CLAMP SW
T2  RUN
FPA
-20dBATT
DRF
XT2
SPEANA1
AVref 
FPB
MIC IN
SPN
DISTOUT/SW OUT
SPK_DET
SP_RLY
2
1
13
12
11
10
9
8
7
6
5
4
3
80
T1  PLAY
80
79
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
54
53
52
31
32
33
51
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
29
30
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
100
6G
7G
8G
1G
2G
3G
4G
9G
P14 
P15
P16
2
13
12
11
10
9
8
7
2
1
3
4
5
6
- 
- 
B 
A 
+ 
M 
TAPE MECHANISM PWB-E
TAPE
MOTOR
SOLENOID
SOLENOID
T2 PLAY
R.PLAY
T1 PLAY
F.PLAY
PH
PH
R737 1K
D703
1SS133
D702
1SS133
C710
47/25
C708
1/50
R743
33
C705
100/10
R748 10K
R751 10K
R750 10K
R749 10K
R753 10K
D701
1SS133
D712
1SS133
R742 1K
R741 1K
R734 1K
R733 1K
R735 1K
R736 1K
R778 1K
R792 1K
R732 1K
R726 2.2K
R727 2.2K
R728 2.2K
R729 2.2K
R730 1K
R719
1K
R720
1K
R721
1K
R722
10K
R724
1K
IC701
IX0337AWZZ
SYSTEM
MICROCOMPUTER
LED722
4204SRT7 
R755
4.7K
R777
10K
R776
10K
R775
10K
R757
68K
R756
68K
R758
10K
R759
10K
Q702
2SC3331
R763
47K
D705
1SS133
Q703
2SC3331 
R762
47K 
D704
1SS133
C712
10/16
C711
10/16
R761
1K
R760
1K
R766
10K
Q704
KTA1271Y
Q705
KTA1271Y
R767
10K
Q706
KTA1273Y
R768
10K 
R7
R7
R7
R7
R7
R7
R7
R7
R7
X
R70
R70
R70
R70
R70
R70
R70
FL701
FL DISPLAY
CNP703
FFC13
R7
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