Sharp CD-BA2010H Service Manual page 33

8
7
C23
R12
0.047
680
PD01
R79
R13
1.5M
680
PD02
C24
2.2/50
VVSS
C25
C21 C81
0.022
0.1 0.022
C22
100P PCKIST
R11
12K
VVDD
R14
FR
R10 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
(CH)
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
C71
C72
C73
R94
C74
10K
C75
C76
R95
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
SW A/D
15
16
17
18
+
-
19
20
21
GENERAL
S/H
22
D/A
23
24
25 26 27 28 29 30 31 32 33
1
R39
470
R38
270
6
+B
+B
+B
R21
R22
470
470
D22
D21
1SS133
1SS133
2 3
Q2
1
KRC102M
+B
are waveform numbers shown in page 20.
8
Figure 33 SCHEMATIC DIAGRAM (2/11)
3
100P R71 1K
R72 1K
0.01
100P R73 1K
100P R74 1K
R75 1K
100P
100P R76 1K
R77 1K
100P
100P R78 1K
+B
L62
2.2mH
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
60 16M
59 DATA
58 DATACK
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
52
XOUT
XIN
51
XVDD
50
RVDD
49
RCHO
48
RVSS
47
LVSS
46
LCHO
45
C39
LVDD
44
10/16
43 MUTER
ERROR
AUDIO
CORRECT OUT
42 MUTEL
41 EMPH
FSX
34 35 36 37 38 39 40
TEST
+B
C30
0.022
9
C31
100/6.3
R16 L61
0.82µH
10K
9 10
– 33 –
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
R-CH
R82
AGND
2.2K
L-CH
DGND
R81
2.2K
+B
+B
C56
330/6.3
C83
0.022
+B
CONSTANT
VOLTAGE
+B
Q1
INT
KTC3203 Y
WRQ
+B
ZD61
DRF
DZ3.9BSB
CE
DO
+B
DI
CL
RES
O/C
GND(D)
DISC_NO
M+
M-
CNP4
11
CD-BA2010H
1
2
P34 1 - A
3 CNS601
TO MAIN PWB
4
+5V
5
CNP11
+B
1 CDINT
2
WRQ
3 DRF
4
CE
P37 10 - B
5 DO
CNS703
6 DI
TO DISPLAY PWB
CLK
7
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-F
12