Sharp CD-BA1200H Service Manual page 21

CD SIGNAL
8
7
C23
R12
0.047
680
PD01
1
R79
R13
1.5M
680
PD02
C24
2
2.2/50
VVSS
3
C21 C81
0.1 0.022
C22
4
PCKIST
100P R11
12K
VVDD
5
R14
R10 R80 FR
6
27K 1M
1.2K
HFL
7
C20 SLCIST
8
0.1
R15
SLCO
R8 9
330 CONTROL
10K
EFMIN
10
C17
C27
11
JITTV
0.0047
C42 0.1
JITTC
68P
12
BH
13
PH(RFENV)
14
FE
15
TE
16
VREF
17
ADAVDD
18
C29
C82
C28
0.1
0.022
47/10
ADAVSS
19
C41
PHREF
100/10
20
2
BHREF 21
TBLO
22
TDO
23
R44
R43
D93 FDO
1K 24
220K
DS1SS133
R35
1
1K
13
R38
270
6
+B
LD_M+
42
LD_M-
41
VCC4 +B
40
LOADING M+
39
LOADING M-
38
37
C47
D21
36
100/16
DS1SS133
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 are waveform numbers shown in page 16.
7
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C71 100P
C72 0.01
C73 100P
R94
C74 100P
10K
C75 100P
R95 C76 100P
10K
C77 100P
C78 100P
+B
+B
DEFECT
C80
0.1
EFMO
VDD5V
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
GENERAL
IC2
LC78641E
SERVO/SIGNAL
PLL
VCEC CONTROL
FRAME SYNC
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
SLICE
LEVEL
JITER
DEFECT
CONTROL
SW
AUTO
SERVO
ADJUST
PROCESSEROR
SW A/D
+
-
GENERAL
S/H
D/A
ERROR
AUDIO
CORRECT OUT
FSX
25 26 27 28 29 30 31 32 33 34 35 36 37
R39
470
C31
100/10
+B
+B
R16
10K
+B
R21
R22
470
470
D22
DS1SS133
2 3
Q2
1
KRC102M
+B
8 9
Figure 21 SCHEMATIC DIAGRAM (2/10)
3
R71 1K
R72 1K
R73 1K
R74 1K
R75 1K
R76 1K
R77 1K
R78 1K
L62
2.2µH
C44
0.1
COMMAND
INTERFACE
C45
100/10
SBCK
64
SUBCODE 63 PW
DECODE
CRC
62 SBSY
12
61 SFSY
60 16M
11
DATA
59
10
58 DATACK
57 LRSY
XL1
16.9344MHz
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
R20
52
XOUT 220
XIN
51
+B
XVDD C34
50
0.022
+B
RVDD
49
RCHO
48
R82
RVSS
47 2.2K
LVSS
46
LCHO
45
R81
LVDD C39
44 2.2K
10/16 +B
43 MUTER
C56
42 MUTEL
330/6.3
41 EMPH
38 39 40
TEST
+B +B
C30
9
0.1
CONSTANT VOLTAGE
L61
0.82µH
Q1
KTC3203Y
+B
ZD61
DZ3.9BSB
10
– 21 –
CD-BA1200H
DRF
RES
WRQ
INT
DO
DI
CL
CE
+B
R-CH
1
AGND
2
P22 1 - B
L-CH
CNS601
3
DGND
TO MAIN PWB
4
+5V
5
+B
CNP11
C83
0.022
+B
+B
INT
1 CDINT
WRQ
2 WRQ
DRF
3 DRF
CE
4 CE
DO P25 12 - B
5 DO
+B
CNS702
DI
6 DI
TO DISPLAY PWB
CL
CLK
7
RES
8 CD RES
9 CLAMP SW
10 GND
CNP12
CNS4
BI4
SW1
O/C
OPEN/
1 1 1
CLOSE
2 2 2
SW2
GND(D)
CLAMP
3 3 3
DISC_NO SW3
4 4 4
DISC
NUMBER
M+
+
5 5 5
M3
M
M-
T/T
6 6 6
- UP/DOWN
LOADING
CNP4
CD LOADING
MOTOR PWB-E
11 12