Sharp CD-BA3000 (serv.man7) Service Manual ▷ View online
– 17 –
CD-BA3000H
Figure 17 BLOCK DIAGRAM (3/3)
D801
C801
RY801
VLOAD
+B7
+B3
SYS. STOP
RESET
IC704
KIA7042P
RESET
Q709
Q907
+B6
M901
FAN MOTOR
M
SO901
SPEAKER
TERMINAL
RL901
Q905
+B7
+B7
+B7
+B7
+B7
VDD
VDD
VDD
+B6
LCK
CL
DI
Q803
R
L
Q901
Q902
Q903
Q904
L-OUT
R-OUT
SP. DET.
UNSWITCH 5V
CD+B
+5V
A10V
M10V
+B7
+B5
+B6
+B4
+B3
Q801
Q852
KIA7805P
VOLTAGE
REGULATOR
Q851
KIA7810AP
VOLTAGE
REGULATOR
Q850
CE
DI
CL
DO
XL701
4.1943MHz
Q802
D802-D805
T802
POWER
TRANSFORMER
D811-D814
D810
D809
IC702
BU2902F
INPUT/OUTPUT
EXPANDER
F806
T2A L 250V
F805
T5A L 250V
F804
T5A L 250V
VL+
VH+
VL-
VH-
IC901
STK4113E
POWER AMP.
STK4113E
POWER AMP.
AVDD
KEY
SW701-SW716
SW723-SW729
SW731-SW734
SW723-SW729
SW731-SW734
TO CD
SECTION
SECTION
Q701-Q703
Q710-Q712
Q710-Q712
AC POWER
SUPPLY CORD
AC 230V 50Hz
IC701(1/2)
IX0333AW(To SERIAL NO. 006XXXXX)
IX0366AW(From SERIAL NO. 007XXXXX)
SYSTEM
MICROCOMPUTER
FL701
DISPLAY
1
3
2
15
18
16
85
80
33
31
1
2
3
45
1 2
4
5
7
13
9
10
15 16
17
20 21
24 23 24
25
86
91
92
79
78
60
59
39
38
36
34
22
18
15
14
7
2 12
13
8
4
1
12
13
4
2
1
3
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
JK670
HEADPHONES
HEADPHONES
14
~
~
~
29
14
17
+B6
+B6
+B6
8
5
~
+B4
RESET
T801
POWER TRANSFORMER
+B1
VF2
-VF
VF1
CONSTANT
VOLTAGE
-B2
+B2
-B1
DRIVER
JOG701
JOG
RX701
REMOCON
SENSOR
10Hz
IC701(2/2)
SYSTEM
MICROCOMPUTER
63Hz
Q708
+B3
+B3
M
Q704
Q705
Q705
IC701
54PIN
54PIN
IC701
53PIN
53PIN
IC701
56PIN
56PIN
IC701
55PIN
55PIN
MM1
TAPE
MOTOR
SOLM1,SOLM2
SOLENOID
SWM2
T2 PLAY
SWM1
T1 PLAY
SWM4
R. PLAY
SWM3
F. PLAY
Q864
Q865
Q865
MOTOR
DRIVER
DRIVER
Q715
Q716
Q716
Q713
Q714
Q714
M701
MOTOR
VOLUME
M
Q910
Q911
L-CH
R-CH
CONSTANT
VOLTAGE
ZD801
F801
T2.5A L 250V
TAPE MECHANISM ASSEMBLY
L801
IC701(2/2)
IX0333AW(To SERIAL NO. 006XXXXX)
IX0366AW(From SERIAL NO. 007XXXXX)
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
100/10
C54
47/10
C55
0.01
0.01
C51
47/10
C53
0.001
R25
10K
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
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
12K
C17
0.0047
R15
10K
C20
0.1
C42
68P
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
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
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
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
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
CONTROL
GENERAL
SLICE
LEVEL
CONTROL
PLL
VCEC
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
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
12K
R13
680
C81
0.022
C27
0.1
R15
10K
C42
68P
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
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
10K
R95
10K
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
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
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
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
4
5
2
1
7
6
R607
10K
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)
0.0033(ML)
C
0
0
C622 4.7/50
C620 1/50
C612 0.0027
R60
3.9K
C610
0.1
C608
0.1
0.1
C614
10/50
C602 22/50
R617
820
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
0.1
C609
0.1
0.1
C636
0.001
C635
0.001
0.001
R622
2.2K
R612 3.9K
R621
2.2K
2.2K
Q603
KTC3199GR
Q604
KTC3199GR
R615
2.2K
2.2K
C615
0.001
0.001
C616
0.001
0.001
R616
2.2K
2.2K
R614
330
330
Q606
KTC3199GR
KTC3199GR
Q605
KTC3199GR
R610
330
R609
330
330
R611
3.9K
C606
100/16
100/16
R864
150K
150K
R873
1K
1K
R872
1K
1K
D860
1SS133
1SS133
D862
1SS133
1SS133
IC860
KIA4558P
OPE AMP.
R576
330
330
C864 22/25
R874
100K
C863 22/25
R875
100K
Q862
KTC3199GR
KTC3199GR
R879
22K
22K
R878
22K
22K
R869
5.6K
R868
5.6K
Q863
KTC3199GR
KTC3199GR
D861
1SS133
1SS133
R854
10K
10K
R871
10K
10K
R156
220K
220K
Q864
KRC102M
KRC102M
C153
100/16
100/16
C860
47/25
47/25
C859
0.1
(ML)
R155
150
150
Q122
KTC3199GR
MUTING
R154
10K
10K
R153
10K
10K
Q121
KTC3199GR
MUTING
KTC3199GR
MUTING
Q865
KTC3199GR
KTC3199GR
R870
1K
1K
Q111
KRC104M
SWITCHING
R115
4.7K
4.7K
R114
10K
10K
Q110
KRC104M
KRC104M
C618
22/50
22/50
R620
22K
22K
C617
1/50
1/50
R619
22K
22K
R852
22K
C851
22/25
R851
33
C852 0.047(ML)
Q850
KTC2026
Q851
KIA7810AP
C858
0.1(ML)
0.1(ML)
C855
0.1(ML)
0.1(ML)
R855
3.3(1/2W)
R853
22K
22K
C857
47/25
47/25
C856
0.1
(ML)
Q852
KIA7805P
R113
10K
10K
Q109
KTA1266GR
SWITCHING
KTA1266GR
SWITCHING
R112
15K
15K
R101
1K
1K
R102
1K
1K
C102
560P
560P
C101
560P
560P
C106
180P
180P
R110
4.7K
R106
3.3K
3.3K
R104
2.2K
2.2K
Q104
2SC1845F
2SC1845F
Q106
2SC1845F
2SC1845F
R108
47K
47K
C108
560P
Q108
KTC3199GR
SWITCHING
C850
3300/25
C116
100/25
100/25
R120
56
56
R124
3.9K
3.9K
R122
100K
100K
C118
0.033
0.033
C120
560P
560P
R118
1K
1K
C114
330P
330P
L105
2.2
2.2
µ
H
L106
2.2
2.2
µ
H
C122
1/50
1/50
C112
330P
330P
R134
68K
R132
5.6K
R126
5.6K
C132
270P
R138
6.8K
R136
3.9K
R137
6.8K
C111
330P
330P
C113
330P
330P
R117
1K
1K
C127
0.022
C142
47/25
R146
10K
R142
100
R140
820
C140
0.0033
C136
0.022
C134
22/25
22/25
C145
22/25
C115
100/25
100/25
C146
100/10
R158
220
Q124
2SA1015GR
L103
100
µ
H
C133
22/25
22/25
C141
47/25
47/25
R145
10K
10K
C139 0.0033
C135 0.022
R141
100
R139 820
C131 270P
C128
3.3/50
R135
3.9K
C154
0.047
0.047
R166
22K
R167
47K
47K
C150
0.008
(P.P.
0.008
(P.P.
C15
0.03
0.03
R160
82
R131
5.6K
5.6K
R125
5.6K
5.6K
C121
1/50
1/50
R111
15K
15K
R119
56
56
C117
0.033
0.033
C119
560P
560P
R123
3.9K
3.9K
R121
100K
100K
C107
560P
Q107
KTC3199GR
SWITCHING
R109
4.7K
R107
47K
C105
180P
180P
Q103
2SC1845F
2SC1845F
Q105
2SC1845F
2SC1845F
R103
2.2K
2.2K
R105
3.3K
3.3K
R157
220K
220K
C
0
0
C865
47/25
47/25
C866
0.022
0.022
C644
0.0022
0.0022
R880
100K
100K
CNS901
CNP102
CNP101
IC601
LC75341
AUDIO PROCESSOR
C642
0.0033(ML)
0.0033(ML)
IC101
AN7345K
AN7345K
D101
1SS133
1SS133
D102
1SS133
1SS133
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