Sharp CD-BP1200W Service Manual page 19

CD SIGNAL
8
7
C23
R12
0.047
680
PD01
1
R79
R13
1.5M
680
PD02
C24
2
2.2/50
VVSS
3
PLL
C21 C81
VCEC
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 SLICE
R8 9
LEVEL
330 CONTROL
10K
EFMIN
10
C17
C27
JITTV 11
0047
C42
0.1
JITTC
68P 12
BH
13
PH(RFENV)
14
FE
SW
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
24
220K 1K
DS1SS133
R35
1
1K
13
R38
270
6
+B
NG M+
NG M-
C47 D21
100/16
DS1SS133
PDO
SPN)
+B
• The numbers 1 to 13
7
C71 100P
C72 0.01
C73 100P
R94
C74 100P
10K
C75 100P
C76 100P
R95
10K
C77 100P
C78 100P
+B
+B
DEFECT
C80
0.1
EFMO
VDD5V
80 79 78 77 76 75 74 73
GENERAL
LC78641E
SERVO/SIGNAL
CONTROL
FRAME SYNC
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
JITER
DEFECT
CONTROL
SW
AUTO
SERVO
ADJUST
PROCESSEROR
A/D
+
-
GENERAL
S/H
D/A
ERROR
CORRECT
30 31 32 33
25 26 27 28 29 34 35
R39
470
+B
+B
R16
10K
+B
R21 R22
470
470
D22
DS1SS133
2 3
1V 0V
Q2
1
0V
KRC102M
+B
are waveform numbers shown in page 34.
8
Figure 19 SCHEMATIC DIAGRAM (2/9)
3
R71 1K
R72 1K
R73 1K
R74 1K
R75 1K
R76 1K
R77 1K
R78 1K
L62
2.2µH
72 71 70 69 68 67 66 65
COMMAND
INTERFACE
SBCK
IC2
64
SUBCODE 63 PW
DECODE
CRC
62 SBSY
61 SFSY
60 16M
59 DATA
58 DATACK
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
R20
52
XOUT 220
XIN
51
+B
XVDD
50
+B
RVDD
49
RCHO
48
RVSS
47
LVSS
46
LCHO
45
LVDD C39
44
10/16 +B
43 MUTER
AUDIO
OUT
42 MUTEL
FSX 41 EMPH
39 40
36 37 38 TEST
+B
C30
9
0.1
C31
100/10
CONSTANT VOLTAGE
L61
0.82µH
KTC3203 Y
+B
ZD61
DZ3.9BSB
9 10
– 19 –
CD-BP1200W/1250W
DRF
RES
WRQ
INT
DO
DI
CL
CE
+B
C44
0.1
C45
100/10
12
11
10
XL1
16.9344MHz
C34
0.022
R-CH
R82
AGND
2.2K
L-CH
DGND
R81
+5V
2.2K
+B
CNP11
C56
330/6.3
C83
0.022
+B
5V
3.3V
+B
+B
Q1
INT
4V
WRQ
DRF
CE
DO
+B
DI
CL
RES
CNP12
CNS4
O/C
1
2
GND(D)
3
DISC_NO
4
M+
5
M-
6
CNP4
11
1
2
P22 1-B
3 CNS601
FROM MAIN PWB
4
5
1
CDINT
2
WRQ
DRF
3
4 CE
P21 11-B
5 DO
CNS702
6 DI
FROM DISPLAY PWB
7 CLK
8 CD RES
9 CLAMP SW
10
GND
BI4
SW1
OPEN/
1 1
CLOSE
2 2
SW2
CLAMP
3 3
SW3
4 4
DISC
NUMBER
+
5 5
M3
M
T/T
6 6
- UP/DOWN
LOADING
T/T UP/DOWN
MOTOR PWB-E
12