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

– 25 –
CD-BA2000H
Figure 25 SCHEMATIC DIAGRAM (2/10)
7
8
9
10
11
12
• The numbers   
1 
  to  
13 
 are waveform numbers shown in page 20.
11
10
9
8
7
6
5
4
3
2
1
PCKIST
JITTC
JITTV
EFMIN
SLCO
SLCIST
HFL
FR
VVDD
VVSS
PD02
PD01
24
23
22
21
20
19
18
17
16
15
14
13
FDO
TDO
TBLO
BHREF
PHREF
ADAVSS
ADAVDD
VREF
TE
FE
PH(RFENV) 
BH
12
SPDO
FG(D_Vref)
SLDO
TEST
DOUT
VDD 
C2F 
PCK 
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
EFLG
51
50
49
48
47
46
45
44
43
42
41
63
62
61
60
59
58
57
56
55
54
53
52
64
FSX 
CONT5 
CONT4 
CONT3 
CONT2 
CONT1 
LASER 
SERIAL
OUT 
EXTERNAL
AUDIO  IN
DIGITAL
FILTER
1BIT
DAC
LPF
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
AUDIO
OUT 
ERROR
CORRECT 
FRAME  SYNC
DEFECT,PROTECT
EFM  DECODE
CLV
CONTROL
CLOCK
GENERATOR
GENERAL 
SUBCODE
DECODE
CRC
COMMAND
INTERFACE
GENERAL 
SW
SERVO
PROCESSEROR
AUTO
ADJUST
-
+
S/H
JITER
DEFECT
CONTROL
A/D
SW
SLICE
LEVEL
CONTROL
PLL
VCEC
D/A
+B
EMPH
MUTEL 
MUTER 
LVDD
LCHO
XVDD
LVSS
RVSS
RCHO
RVDD
XIN 
XOUT
XVSS
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
16M 
SFSY
SBSY
PW
SBCK
CE
CL
DI
DO
INT
WRQ
RES
DEF
VDD5V
73 72 71 70 69 68 67 66 65
CONT7
CONT6
VSS
V/vP
FSEQ
EFMO
80 79 78 77 76 75 74
O/C 
DISC_NO 
+5V
DGND
AGND
L-CH
R-CH
+B
P26  2 - A
TO MAIN PWB
1
2
3
4
5
CNS601
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
+B
+B
P29  10 - A
CNS703
TO DISPLAY PWB
CONSTANT
VOLTAGE
DISC_NO
O/C
GND(D)
M-
M+
1
2
3
4
5
6
6
5
4
3
2
1
5
4
3
2
1
6
CD LOADING
MOTOR PWB-F
1
3
2
+B
VCC3
VCC2(SPN)
SP-
SP+
SPO
GND
+B
M
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
(CH)
C41
100/6.3
C28
47/10
C82
0.022
R44
1K
C29
0.022
EFBL
R35
1K
R38
270
TDO 
SLDO
SPDO
FDO 
R39
470
R16
1K
R17 1K
R46 1K
R45 1.2K
R40 1.2K
C31
100/6.3
C30
0.022
L61
0.82
µ
H
C64
47/6.3
ZD61
DZ3.9BSB
R19
47
C39
10/16
R58
220
Q1
KTC3203 Y
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
100/6.3
C44
0.022
C80
0.022
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
RES 
WRQ 
CE
DO
CL
DI
DRF 
INT 
R94
10K
R95
10K
R67 1K
R68 1K
CNP11
CNP12
CNP4
SW3
DISC
NUMBER
SW2
CLAMP
SW1
OPEN/
CLOSE
+ 
- 
M3
T/T
UP/DOWN
LOADING
D21
DS1SS133
R21
470
R22
470
Q2
KRC102M
D22
DS1SS133
C47
100/6.3
LOADING  M-
VCC4
LD_M+
LD_M-
LOADING  M+
SPDO
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
BI4
CNS4
IC2
LC78641E
SERVO/SIGNAL
CONTROL
1
6
9
13
2
10
11
12
3
7
8
CD-BA2000H
– 26 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
Figure 26 SCHEMATIC DIAGRAM (3/10)
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
CD
TUNER 
DECK
AUX 
DI
CE
VSS 
LOUT
LBASS 
LTRE
LIN 
L4
L3
L2
L1
CLK 
VDD 
VREF
ROUT
RBASS 
RTRE
RIN 
RSEL0 
R4
R3
R2
R1
CCB
INTERFACE 
+ 
- 
+ 
- 
+ 
- 
+ 
- 
+ 
- 
+ 
- 
+ 
- 
+ 
- 
LSEL0 
ALC 
ALC 
RIPPLE
Nor/CrO2
- 
+ 
- 
+ 
Hich=T1 
+ 
+ 
- 
- 
Hich=CHROME 
56K 
112K
56K 
112K
REC_
0V
L 
AC_RLY
CON
VF1 
VF2 
-VF 
UN_SW
5V
M_+10V
+5V 
SP_RLY
SP_DET
D_GND 
-15V
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
A_+10V
CD_+B 
CD_GND
M_GND 
A_GND 
A_GND 
R_CH
L_CH
CHASIS
MECHA  BASE
L 
R 
R 
CD_+B
TO CD SERVO PWB
P25  12-D
CD_GND
L-CH
A_GND 
R-CH
9.3V
8.6V
9.3V
0V
2
1
3
1
2
3
3.4V
3.4V
0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
0.7V
7
6
5
4
3
2
1
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3
1
3
4
4
3
1
2
5
2
1
5
2
CNP11
TO POWER SUPPLY
P30  1-D
CNS901
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
7
6
5
4
3
2
1
T1_R
T1_L
A_GND 
3
1
2
R-CH
L-CH
PLAYBACK 
HEAD
TAPE1
RECORD/
PLAYBACK  HEAD  
TAPE2 
R-CH
L-CH
ERASE 
HEAD
R607
10K
C613
10/50
R613 390
R615
2.2K
R611 5.6K
Q603
KTC3199 GR
R621
2.2K
Q605
KTC3199 GR
R609
330
R610
330
Q606
KTC3199 GR
C636
0.001
C635
0.001
R622
2.2K
R612 5.6K
Q604
KTC3199 GR
C615
0.001
C616
0.001
R616
2.2K
R614 390
C618 22/25
R620 22K
C617 1/50
R619
22K
C649
0.001
C641
0.0033
(ML)
R617
3.3K
C645
0.0022(ML)
C625
10/50
C627
10/50
C629
10/50
C623
10/50
C621
4.7/50
C619
1/50
C611
0.0027
(ML)
R605
3.9K
C607
0.1
(ML)
C609
0.1
(ML)
C606 100/16
C604 0.022
AUDIO
C608
0.1
(ML)
C610
0.1(ML)
C620
1/50
C6
4.7
C
1
C626
10/50
C62
10/5
C630
10/50
R155
150
R113
10K 
R114
10K
R115
4.7K
Q109
KTA1266  GR
Q111
KRC104 M
Q110
KRC104 M
C153 100/16
R112
15K
R102
1K
R101
1K
C101
560P
C102
560P
C106
180P
Q104
2SC1845 F
R104
2.2K
Q106
2SC1845  F
R106
3.3K
R110
4.7K
R108
47K 
Q108
KTC3199  GR
C108
560P
C112
330P
R118
1K
C114
330P
R122
100K
C118
0.033
C116
100/25
R120
56
C120
560P
R124
3.9K
C122
1/50
R126
5.6K
R132 33K
R134
68K
R136
3.9K
R138 6.8K
C132 270P
C134
22/25 
R140
1.5K
R142
100 
C140
0.0033
C142 47/25 
R146
10K 
Q122
KTC3199GR
R156
220K
R154
10K
R153
10K
Q
KTC
C136
0.022 
L105 2.2
µ
H 
C145  22/25
C146
220/10
R145
10K
C141
47/25 
C133
22/25 
R141
100
C139 0.0033
R139 1.5K
C131
270P
R137
6.8K
R135
3.9K
C128
3.3/50
C127
0.022
R131 33K
C121
1/50
R125
5.6K
R123
3.9K
C119
560P
R121
100K
C117
0.033
C115
100/25
R119
56
L106
2.2
µ
H
C113
330P
R117
1K
C111
330P
C107 560P
Q107
KTC3199  GR 
R109
4.7K
R107
47K 
R105
3.3K
R103
2.2K
Q103
2SC1845  F
Q105
2SC1845  F
C105
180P
CNP102
CNP101
LUG101
CNP901
C135 0.022
R111
15K 
IC101
AN7345K 
PLAY BACK AND RECORD/
PLAYBACK AMP.
BI601
– 27 –
CD-BA2000H
Figure 27 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
17
16
15
14
13
12
11
10
9
8
CLK 
VDD 
VREF
ROUT
RBASS 
RTRE
RIN 
RSEL0 
R4
R3
R2
R1
+ 
- 
+ 
- 
- 
+ 
- 
+ 
- 
Vcc 
ALC 
GND 
ALC 
RIPPLE
Nor/CrO2
+ 
+ 
- 
- 
Hich=CHROME 
56K 
56K 
- 
- 
+ 
+ 
+ 
+ 
- 
- 
- 
+ 
+ 
- 
TUN_SM
A_+10V
D_GND 
CLK 
DI
CE
DO
TUN_L 
A_GND 
TUN_R 
REC_L 
REC_R 
KOK  OUT(R)
KOK  IN(R) 
M_10V
KOK  IN(L)
KOK  OUT(L)
S_MUTE
16KHz
63Hz
63Hz
16KHz 
R 
L 
L 
R 
-20dBATT
L-CH  1K 
R-CH  1K 
S_MUTE
VF1
VF2
-VF
AC_RLY  CON
UN_SW  5V
+5V
SP_RLY
SP-DET
TUN_SM
DI
CE
DO
CLK
SPAN_RCH
SPAN_LCH
A_+10V
T_T1  T2
-20dBATT
T_BIAS
REC/PLAY
D_GND
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
L 
R 
-VCC
+VCC
CHASIS
TO  DISPLAY PWB
P28  1-D
TO  TUNER  SECTION
P33  9-G
0V
0V
0.7V
0.7V
0V
0V
11.7V 
11.6V 
11.6V 
0V
0V
0V
0V
0V
VIDEO 
IN
Rch 
Lch 
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
29
28
27
26
25
24
23
22
21
20
19
17 18
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
2
1
3
A
B
C
D
E
F
G
H
I
J
MAIN PWB-A1(1/2)
IC601
LC75341
AUDIO PROCESSER
C602
22/50 
C614
10/50
R608
10K
R606
3.9K
C608
0.1
(ML)
C610
0.1(ML)
C620
1/50
C622
4.7/50
C624
10/50
C626
10/50
C646
0.0022(ML)
C650
0.001
R618
3.3K
C628
10/50
C630
10/50
C644
0.0033
C132 270P
C134
22/25 
R140
1.5K
R142
100 
C140
0.0033
C142 47/25 
R146
10K 
Q122
KTC3199GR
R156
220K
R154
10K
R153
10K
Q121
KTC3199GR
R157
220K
C136
0.022 
C145  22/25
C146  220/10
R158
220 
R162 47K
Q124
2SA1015  GR
R164 4.7K
Q126
KRC104  M 
R160
82(1/2W)
Q128
KTC3203 Y
R168 4.7 
R166 22K 
R167 47K 
C154
0.047(ML)
C150
0.0082
(PP)
C152
47/25
L104 330
µ
H
C151
0.039(ML)
R145
10K
C141
47/25 
C133
22/25 
R141
100
C139 0.0033
R139 1.5K
C131
270P
R631
6.8K
C631
390P
R633
33K
R632
6.8K
C632
390P
R634
33K
JK601
D601
1SS133
D602
1SS133
C634
0.001
C573
0.022
ZD561
MTZJ6.2C
R569 100K
R570
100K
C564
2.2/50
D562
1SS133
D563
1SS133
C565
2.2/50
R568
2.2M
IC562
IC562
KIA4558P
OPE AMP.
R565
390K
C561
270P
C562 270P
R564
33K
R563
12K
R562
470K
C563 0.0068
R561
47K
R567 2.2M
C566
0.0068
R638
470K
R637
470K
C574
0.0027
R587
390K
C575
0.0027
R581
68K
R582
12K
C576 0.0027
R585
220K
D564
1SS133
R584
12K
R588
390K
R583
68K
IC563
IC563
KIA4558P
OPE AMP.
C577
0.0027
D566
1SS133
C578
2.2/50
C579
2.2/50
R589 100K
C647
0.001
C572 47/25
C571 0.022
R577
330
R580
330
R576 330
IC561
IC561
KIA4558P
OPE AMP.
R579
220K
R578
150K
C570 0.022
C569
0.022
C568 0.022
C567
0.022
R575 150K
R573
220K
D565
1SS133
R590
100K
CNP701
CNP704
FC701
C135 0.022
C612
0.0027(ML)
R574
330
R586
220K
D561
1SS133
R566
220K
CD-BA2000H
– 28 –
Figure 28 SCHEMATIC DIAGRAM (5/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
9
90
89
88
87
86
85
84
83
82
82
81
81
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
50
50
49
49
48
48
47
47
46
46
45 44 43 42 41 4
AC  RLY _CO
SP_RLY
P19 
P20 
P21 
P22 
P24/MOV VOL CONT OPEN 
P25/SPN B 
DIST_OUT/SW OUT/SPN A
MIC IN O
FPB (R_REC) 
TI RUN
FPA (F-REC) 
P23/MOV VOL CONT CLOSE
CD CLAMP SW 
T_SOL 2
G10
G11
VLOAD 
P12 
P13 
P14 
P15/DIST0 
P16/DIST1 
P17/DIST2 
P18/DIST3 
KOK LATCH L 
T2 PLAY SW_B
T1 PLAY SW_A
SP DET
VDD
TIMER LED
T_MOTOR
T_SOL 1
SMUTE
VSS
P11 
P10 
P9
P8
P7
P6
P5
P4
P3
P2
P1
G15
G14
G13
G12
M_+10V
63HZ
10KHZ 
S_MUTE
MIC  IN
KOK. LATCH
SPN_A 
SPN_B 
TO  MAIN PWB
P27  10-H
F_REC
GND
T1  PLAY
T1  RUN
R_REC
SOL1
SOL2
+MTR
+5V
T2  RUN
T2  PLAY
SP  DET
P25
P24
P23
G15
G14
G13
G12
AC_RLY CON
SP_RLY
-VF 
VF2 
VF1 
UN_SW  5V
+5V 
DI
CE
DO
CLK 
SPAN_LCH
SPAN_RCH
A_+10V
-20dB  ATT 
T_T1  T2 
T_BIAS
REC/PLAY
TUN_SM
D_GND 
F
10V
10V
10V
0V
0V
0V
F
F
G11
G10
P01
P02
P03
P04
P05
P06
P07
P08
P09
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
1
2
3
4
5
6
7
12
13
11
10
9
8
T2  RUN
1
16
17
18
19
20
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
56
57
58
+B
+B
+B
+B
+B
+B
+B
29
1
CNP701
2
3
4
5
1
7
8
9
6
12
13
14
15
11
17
18
19
10
16
22
23
24
25
21
27
28
29
20
26
1
2
3
4
5
6
7
12
13
11
10
9
8
- 
- 
B 
A 
+ 
FC702
M 
TAPE MECHANISM PWB-E
MM1
TAPE
MOTOR
SOLM1
SOLENOID
SOLM2
SOLENOID
SWM2
T2 PLAY
SWM4
R.PLAY
SWM1
T1 PLAY
SWM3
F.PLAY
PH1
PH2
RS720
100K
Q710
KTC3199 GR
Q711
KTC3199 GR
RS721
100K
RS722
100K
RS725
1K
RS724
1K
RS723
1K
R701
100K
Q701
KTC3199 GR
R704
100K
Q702
KTC3199 GR
R716
100K
Q703
KTC3199 GR
R705
1K
R702
1K
R719
1K
R724
33
CNP704
FL701
CNP702
C719
47/25
D712
1SS133
D713
1SS133
R714 10K
R715 10K
R717
10K 
R718
10K
R732
68K
D711
1SS133
D710
1SS133
D709
1SS133
D708
1SS133
C715
22/50
FL701
FL DISPLAY
R794 1K
R740 1K
R741 1K
R742 1K
R744
1K
R743
1K
R747
1K
R748
1K
R751 1K
R750 1K
R753 1.8K
R754 2.2K
R755 2.2K
R756 2.2K
R758 1K
C720
0.001
R721
47
K
Q707
KTC3199 GR
R739
470K
R738
1K
D715
1SS133
R736
10K
R737
10K
R752
10K
Q708
KTA1273 Y
Q705
KTA1271 Y
Q704
KTA1271 Y
Q706
KTC3199 GR
R735
470K
D714
1SS133
R734
1K
C717
2.2/50
C716
2.2/50
R777
10K 
R733
68K 
Q712
KTC3199 GR
LED
722
R749
10K
R746
10K
R720
10K
IC70
IX0333
SYSTE
MICROCOM
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