DOWNLOAD Sharp CD-BA3000 (serv.man4) Service Manual ↓ Size: 983.75 KB | Pages: 14 in PDF or view online for FREE

Model
CD-BA3000 (serv.man4)
Pages
14
Size
983.75 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams
File
cd-ba3000-sm4.pdf
Date
PREV: Sharp CD-BA3000 (serv.man3) Service Manual

Sharp CD-BA3000 (serv.man4) Service Manual ▷ View online

CD-BA3000H
– 18 –
Figure 18 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 14.
 
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
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-C
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-D
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
0.022
R47
3.3
Q3
KTA1266GR
LASER DRIVER
R50
47
C14
0.33
C13
0.01
R42
120K
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
R7
1.5
C24
2.2/50
C21
0.1
C23
0.047
R12
680
R11
12K
C17
0.0047
R15
10K
C20
0.1
C42
68P
(CH)
C25
0.022
C41
100/6.3
C28
47/10
C82
0.022
C47
100/6.3
C49
100/6.3
C50
100/6.3
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
R96
1.5K
13
2
5
8
4
– 19 –
CD-BA3000H
Figure 19 SCHEMATIC DIAGRAM (2/10)
7
8
9
10
11
12
• The numbers   
1 
  to  
13 
 are waveform numbers shown in page 37.
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
CNS11
P21  12 - C
TO MAIN PWB
INT
DRF
WRQ
CE
DO
DI
CL
RES
DRF
GND
CD  RES
DI
CLK
DO
CE
WRQ
CDINT
D OUT
+4.3V
CLAMP  SW
10
9
7
1
2
3
4
5
6
8
+B
+B
+B
+B
P23  10 - A
CNS703
TO DISPLAY PWB
DISC_NO
O/C
GND(D)
M-
M+
CD LOADING
MOTOR PWB-F
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
+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
PDO2
PDO1
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
EFMO
RES
DRF
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
+
-
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
1
2
3
3
2
1
3
2
1
3
2
1
CD GND
L99
2.2
µ
H
C99
100/10
C98
0.022
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
DIGITAL OUTPUT
PWB-A4
R8
330
0
K
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
R15
10K
C42
68P
(CH)
0
.022
C41
100/6.3
C28
47/10
2
R44
1K
C29
0.022
R35
1K
R38
270
R39
470
R16
10K
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
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
R87
120
C38
10/16
R20
220
C35
8P
C36
10P
XL1
16.934MHz
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
R94
10K
R95
10K
R67 1K
R68 1K
IC2
LC78641E
SERVO/SIGNAL
CONTROL
CNP11
CNP5
CNS99
BI99
CNP12
CNP4
SW3
DISC
NUMBER
SW2
CLAMP
SW1
OPEN/
CLOSE
D21
1SS133
R21
470
R22
470
Q2
KRC102M
D22
1SS133
C47
00/6.3
BI4
CNS4
M3
T/T
UP/DOWN
MOTOR
C84
0.001
1
6
9
2
10
11
12
3
7
8
CD-BA3000H
– 20 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
Figure 20 SCHEMATIC DIAGRAM (3/10)
IC101: PLAYBACK AND RECORD/
PLAYBACK AMP.
REC_R 
LVL-CTRL
LVL-CTRL
R 
L 
+5V 
M_GND 
0V
L 
9.3V
+B
GND 
A_GND 
M_GND 
A_+10V
S_MUTE
-20dBATT
0V
A_GND
L 
AC_RLY  CON
VF1 
VF2 
-VF 
UN_SW  5V
M_+10V
SP_RLY
SP_DET
-15V
+B
GND 
M_GND 
A_GND 
A_GND 
R_CH
L_CH
LBASS 
RBASS 
RTRE
CHASSIS 
MECHANISM
CHASSIS
EARTH
L 
R 
R 
T1_R
T1_L
A_GND
M_GND
ERASE
T2_R1
T2_L1
T2_L2
9.3V
0V
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
0V
0V
11.7V 
11.6V 
0V
ERASE HEAD
TAPE2
RECORD/ 
PLAYBACK  HEAD 
TAPE1
PLAYBACK  HEAD 
R-CH
L-CH
R-CH
L-CH
- 
+ 
+ 
- 
CD
TUNER 
DECK
AUX 
DI
CE
VSS 
LOUT
LTRE
LIN 
L4
L3
L2
L1
CLK 
VDD 
VREF
ROUT
RIN 
RSEL0 
R4
R3
R2
R1
INTERFACE 
CCB 
+  - 
+ 
- 
+ 
- 
+  - 
+ 
- 
+ 
- 
+ - 
+ 
- 
LSEL0 
Vcc 
ALC 
GND 
ALC 
RIPPLE
Nor/CrO2
- 
+ 
- 
+ 
Hich=T1 
+
- 
- 
Hich=CHROME 
56K 
112K
56K 
112K
0.7V
8.6V
3
4
5
2
1
7
8
9
6
12
13
14
15
11
17
18
10
3
4
5
2
1
7
8
9
6
12
11
10
16
3
2
1
3
2
1
3
4
5
2
1
7
6
3
4
6
5
2
1
3
2
1
8
7
9
13
14
15
16
12
18
19
20
21
11
10
17
22
23
24
3
2
1
T2_R2
13
14
15
17
18
19
16
22
23
24
21
20
-B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+
+B
+B
+B
1
1
1
2
2
2
3
3
3
1
7 
4 
8 
3 
2 
6 
5 
CNP901
P24  2 - G
TO POWER SUPPLY PWB
VOLTAGE 
REGULATOR
CONSTANT
VOLTAGE
VOLAGE
REGULATOR
SWITCHING
3
4
5
2
1
7
6
R607
10K 
R613
330 
C613
10/50 
R605 3.9K
C628 1/50
C626 1/50
C624 1/50
C630 1/50
C641
0.0033(ML)
C
0
C622 4.7/50
C620 1/50
C612 0.0027
R60
3.9K
C610
0.1 
C608
0.1 
C614
10/50 
C602 22/50
R617
820
C629 1/50
C627 1/50
C623 1/50
C625 1/50
C621 4.7/50
C619 1/50
C611 0.0027
C607
0.1 
C609
0.1 
C636
0.001
C635
0.001
R622
2.2K
R612 3.9K
R621
2.2K
Q603
KTC3199GR 
Q604
KTC3199GR 
R615
2.2K
C615
0.001
C616
0.001
R616
2.2K
R614
330 
Q606
KTC3199GR 
Q605
KTC3199GR 
R610
330 
R609
330 
R611
3.9K
C606
100/16
R864
150K
R873
1K
R872
1K
D860
1SS133
D862
1SS133
IC860
KIA4558P
OPE AMP.
R576
330 
C864 22/25
R874
100K
C863 22/25 
R875
100K
Q862
KTC3199GR 
R879
22K 
R878
22K 
R869
5.6K
R868
5.6K
Q863
KTC3199GR 
D861
1SS133
R854
10K 
R871
10K 
R156
220K
Q864
KRC102M 
C153
100/16
C860
47/25 
C859
0.1
(ML)
R155
150 
Q122
KTC3199GR 
MUTING
R154
10K 
R153
10K 
Q121
KTC3199GR 
MUTING
Q865
KTC3199GR
R870
1K
   Q111
   KRC104M
SWITCHING
R115
4.7K
R114
10K 
Q110
KRC104M
C618
22/50
R620
22K 
C617
1/50
R619
22K 
R852
22K
C851
22/25 
R851
33
C852 0.047(ML) 
Q850
KTC2026
Q851
KIA7810AP
C858
0.1(ML) 
C855
0.1(ML)
R855
3.3(1/2W)
R853
22K 
C857
47/25 
C856
0.1
(ML) 
Q852
KIA7805P
R113
10K 
Q109
KTA1266GR
SWITCHING
R112
15K 
R101
1K
R102
1K
C102
560P
C101
560P
C106
180P
R110
4.7K
R106
3.3K
R104
2.2K
Q104
2SC1845F
Q106
2SC1845F
R108
47K 
C108
560P
Q108
KTC3199GR
SWITCHING
C850
3300/25 
C116
100/25
R120
56
R124
3.9K
R122
100K
C118
0.033 
C120
560P
R118
1K
C114
330P
L105
2.2
µ
H
L106
2.2
µ
H
C122
1/50
C112
330P
R134
68K 
R132
5.6K 
R126
5.6K
C132
270P
R138
6.8K
R136
3.9K
R137
6.8K
C111
330P
C113
330P
R117
1K
C127
0.022 
C142
47/25 
R146
10K 
R142
100 
R140
820
C140
0.0033
C136
0.022
C134
22/25 
C145
22/25 
C115
100/25
C146
100/10
R158
220
Q124
2SA1015GR 
L103
100
µ
H 
C133
22/25 
C141
47/25 
R145
10K 
C139 0.0033
C135 0.022
R141
100
R139 820
C131 270P
C128
3.3/50
R135
3.9K
C154
0.047
R166
22K 
R167
47K 
C150
0.008
(P.P.
C15
0.03
R160
82
R131
5.6K 
R125
5.6K
C121
1/50
R111
15K 
R119
56
C117
0.033 
C119
560P
R123
3.9K
R121
100K
C107
560P
Q107
KTC3199GR
SWITCHING
R109
4.7K
R107
47K 
C105
180P
Q103
2SC1845F
Q105
2SC1845F
R103
2.2K
R105
3.3K
R157
220K
C
0
C865
47/25 
C866
0.022
C644
0.0022
R880
100K
CNS901
CNP102
CNP101
IC601 
LC75341
AUDIO PROCESSOR
C642
0.0033(ML)
IC101 
AN7345K 
D101
1SS133
D102
1SS133
– 21 –
CD-BA3000H
Figure 21 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
TUN_L
REC_L 
EC_R 
0V
-VCC
M_+10V
CHASSIS
CD_GND
S_MUTE
10KHz
63Hz
63Hz
10KHz 
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
A_+10V
D_GND
CLK
DI
CE
DO
A_GND
TUN_R
TUN_SM
DI
CE
DO
CLK
SPAN
RCH
SPAN
LCH
M_+10V
T_T1  T2
-20dBATT
T_BIAS
REC/PLAY
D_GND
D_GND 
L 
R 
+VCC
P22  1 - D
TO DISPLAY PWB
CD_+B 
  CD_GND 
L-CH
A_GND 
R-CH
0V
0V
11.7V 
11.6V 
11.6V 
0V
0V
0V
0V
0V
R-ch 
L-ch 
- 
+ 
+ 
- 
- 
- 
+ 
+ 
+ 
+ 
- 
- 
- 
+ 
+ 
- 
GND
 
V
3
4
5
2
1
3
4
5
8
6
10
5
2
3
4
9
1
7
2
1
3
2
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
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
+B
-B
-B
+B
+B
+B
+B
PLAYBACK SIGNAL
MAIN PWB-A1(1/ 2)
RECORD SIGNAL
FM SIGNAL
CD SIGNAL
VIDEO SIGNAL
P27  10 - H
TO TUNER SECTION
1
2
3
CNS701
SWITCHING
1
7 
4 
8 
3 
2 
6 
5 
2
3
6
5
2
3
6
5
2
3
6
5
7
8
1
4
7
8
1
4
7
8
1
4
CNP11
P19  12 - D
TO CD SERVO 
PWB
1
29
BIAS
BIAS OSC
28 1/50
26 1/50
24 1/50
30 1/50
C641
0.0033(ML)
R618
820
C643
0.0022
22 4.7/50
20 1/50
C612 0.0027
R606
3.9K
0
C608
0.1 
C614
10/50 
R608
10K 
02 22/50
R861
68K 
R863
33K 
C861
0.022 
R864
150K
R862
33K 
C862
0.022 
R860
22K 
IC860
KIA4558P
OPE AMP.
100K
199GR 
NG
R158
220
R164
4.7K
R162
47K 
Q124
2SA1015GR 
L103
100
µ
H 
C154
0.047(ML)
R166
22K 
Q126
KRC104M
R167
47K 
C150
0.0082
(P.P.)
R168
4.7 
Q128
KTC3203Y
L104
330
µ
H 
C152
47/25 
C151
0.039(ML) 
R160
82
R633
39K 
R634
39K 
C632
390P
C631
390P
R632
4.7K
R631
4.7K
D562
1SS133
R569
100K
C564
2.2/50
C573
0.022 
R580 330 
R573
220K
C567
0.022 
R562
470K
R564
33K 
R565
390K
C562
270P
C563
0.0068
R563
12K 
C561
270P
R566
220K
R561
47K 
D561
1SS133
R570
100K
D563
1SS133
C565
2.2/50
C566
0.0068
C603
0.022
R568
2.2M
R567
2.2M
C569
0.022 
R575
150K
C568
0.022 
IC561
KIA4558P
ZD561
MTZJ6.2C
R577 330 
C572
47/25 
C571
0.022 
IC562
KIA4558P
C574
0.0027
R578
150K
R579
220K
C570
0.022 
R589
100K
C579
2.2/50
C578
2.2/50
R590
100K
J128
1K
J129
1K
J130
1K
D566
1SS133
D565
1SS133
D564
1SS133
R581
68K 
R582 12K
R583
68K 
C575
0.0027
R586
220K
R584
12K 
C576
0.0027
R585
220K
R587
390K
IC563 
KIA4558P
R157
220K
R637
470K
C160
0.01
R574
100 
R638
470K
D601
1SS133
D602
1SS133
C577
0.0027
R588
390K
CNP702
IC561~IC563: OPE AMP.
JK601
VIDEO IN
BI11
CNS11
FFC701
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