Sharp CD-BA180 Service Manual - Page 13
Browse online or download pdf Service Manual for Stereo System Sharp CD-BA180. Sharp CD-BA180 44 pages. Mini component system
8
7
C23
R12
0.047
680
PD01
R79
R13
1.5M
680
PD02
C24
2.2/50
VVSS
C21
C81
0.1
0.022
C22
100P
PCKIST
R11
12K
VVDD
R14
R10
FR
R80
27K
1M
1.2K
HFL
C20
SLCIST
0.1
R15
SLCO
R8
330
10K
EFMIN
C17
C27
JITTV
0.0047
C42
0.1
JITTC
68P
BH
PH(RFENV)
FE
TE
VREF
ADAVDD
C29
C82
C28
0.022
0.022
47/10
ADAVSS
C41
PHREF
100/6.3
2
BHREF
TBLO
TDO
R44
FDO
1K
R35
1K
13
+B
LD_M+
42
LD_M-
41
+B
VCC4
40
LOADING M+
39
LOADING M-
38
37
C47
36
100/6.3
35
34
33
GND
32
31
30
29
VCC3
28
SP-
27
SP+
26
SPO
SPDO
25
VCC2(SPN)
24
23
22
+B
• The numbers
1
to
13
7
CD SIGNAL
C71
C72
C73
R94
10K
C74
C75
R95
C76
10K
C77
C78
+B
C80
0.022
EFMO
VDD5V
80 79 78 77 76 75 74
1
GENERAL
2
3
PLL
VCEC
FRAME SYNC
DEFECT,PROTECT
4
EFM DECODE
5
CLV
CONTROL
6
7
8
SLICE
9
LEVEL
CONTROL
10
11
JITER
DEFECT
12
CONTROL
SW
13
14
AUTO
SERVO
ADJUST
PROCESSEROR
15
SW
A/D
16
17
18
+
-
19
20
21
GENERAL
22
S/H
D/A
23
24
30
31
32
33
25
26
27
28
29
1
R39
R38
470
270
6
+B
+B
+B
R21
R22
470
470
D21
D22
DS1SS133
DS1SS133
2
3
Q2
1
KRC102 M
are waveform numbers shown in page 29.
8
Figure 13 SCHEMATIC DIAGRAM (2/10)
3
100P
R71
1K
R72
1K
0.01
100P
R73
1K
R74
1K
100P
100P
R75
1K
R76
1K
100P
100P
R77
1K
R78
1K
100P
+B
L62
2.2µH
73
72 71 70 69 68 67 66 65
COMMAND
INTERFACE
SBCK
IC2
64
LC78641E
SUBCODE
63
PW
SERVO/SIGNAL
DECODE
CONTROL
CRC
62
SBSY
61
SFSY
16M
60
59
DATA
DATACK
58
57
LRSY
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
52
XOUT
XIN
51
XVDD
50
RVDD
49
RCHO
48
RVSS
47
LVSS
46
LCHO
45
LVDD
44
43
MUTER
ERROR
AUDIO
CORRECT
OUT
42
MUTEL
FSX
41
EMPH
34
35
37
39
40
36
38
TEST
+B
C30
9
0.022
C31
100/6.3
R16
L61
10K
0.82µH
+B
9
10
– 13 –
DRF
RES
WRQ
INT
DO
DI
CL
CE
+B
C44
0.022
C45
100/6.3
12
11
10
X1
16.9344MHz
R20
220
+B
C34
0.022
+B
C40
R82
2.2K
0.0015
C43
0.0015
R81
C39
2.2K
10/16
+B
C56
330/6.3
C83
0.022
+B
CONSTANT VOLTAGE
+B
Q1
2SC3203 Y
+B
ZD61
DZ3.9BSB
+B
O/C
GND(D)
DISC_NO
M+
M-
CNP4
11
CD-BA180
R-CH
1
AGND
2
P14 1 - B
L-CH
CNS402
3
DGND
TO MAIN PWB
4
+5V
5
+B
CNP11
+B
INT
1
CDINT
WRQ
2
WRQ
DRF
3
DRF
CE
4
CE
DO
P21 12 - B
5
DO
CNS701
DI
6
DI
TO DISPLAY PWB
CL
7
CLK
RES
8
CD RES
9
CLAMP SW
10
GND
CNP12
CNS4
BI4
SW1
OPEN/
1
1
1
CLOSE
2
2
2
SW2
CLAMP
3
3
3
SW3
4
4
4
DISC
NUMBER
+
5
5
5
M3
M
T/T
6
6
6
-
UP/DOWN
LOADING
CD LOADING
MOTOR PWB-E
12