Read Sharp CD-BA3000 (serv.man4) Service Manual online
– 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
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