Sharp CD-BP1450V Service Manual page 17

IC2
SERVO/SIGNAL
CONTROL
+B
8 7
EFMO
C23
R12
0.047
680
PD01
1
R13
R79
680
1.5M C24
PD02
2
2.2/50
VVSS
3
C81
C21 PLL
0.022
0.1 VCEC
4
R11 PCKIST
12K VVDD
5
FR
R10 R80
6
27K 1M
R14
HFL
7
1.2K
SLCIST
R15
8
10K SLICE
SLCO
R8
9 LEVEL
330
EFMIN
CONTROL
10
JITTV
C27
7
NC 11
C42 0.1
047
JITTC DEFECT
68P
C26
12
CONTROL
(CH) 0.047 BH
13
PH(RFENV)
14
FE
15
TE
16
VREF
17
ADAVDD
18
C29
+
C82
0.022
022 –
ADAVSS
19
PHREF
C28
C41
NC
20
100/6.3 47/10
BHREF
21
NC
R44 TBLO
S/H
22
1K
23
1 24
2
6
R38
270
+
–
+B
NG M+
R21
NG M–
470
C47
D21
100/6.3
KDS193
+B
DO
PN)
+B
• The numbers 1 to 13
7
C71 100P
C72 0.01
C73 100P
R94
C74 100P
10K
C75 100P
C76 100P
R95
C77 100P
10K
C78 100P
C80
0.1
NC NC NC NC
VDD5V
GENERAL
IC2
FRAME SYNC
LC78636E
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
JITER
SW
SERVO
PROCESSEROR
GENERAL
ERROR
AUDIO
CORRECT
OUT
FSX
R39 C30
470
0.022
C31
100/6.3
R16
10K
R22
470
D22
KDS193
2 3
Q2
KRC102 S
1
are waveform numbers shown in page 33.
8
Figure 17 SCHEMATIC DIAGRAM (4/11)
3
R71 1K
DRF
R72 1K
RES
R73 1K
Q4
WRQ
R74 1K INT KTA1504 GR
R75 1K
R76 1K
DI
R77 1K
CL
R78 1K
CE
L62
2.2µH
C44
0.022
COMMAND
INTERFACE
C45
SBCK
100/6.3
64
PW
11
SUBCODE
63
12
DECODE
62 SBSY
CRC
61 SFSY
R85 100
16M
60
DATA
R86 1K
59
DATACK
R92 1K
58
LRSY
R93 1K
57
ASDFIN
R89 1K
56
ASDACK
R90 1K
55
ASLRCK
R91 1K
54
XVSS XL1
53
16.9344MHz
R20
52
XOUT 220
XIN
51
XVDD
C34
50
0.022
RVDD
49 C40
RCHO 0.0015
48
R82
RVSS
47
2.2K
LVSS
R81
46
2.2K
LCHO
45
C43
LVDD
44
0.0015
MUTER
NC
43
MUTEL
C56
42 NC
330/6.3
EMPH
41
R96
1K
TEST
9
CONSTANT
VOLTAGE
Q1
KTC3265 Y
L61
0.82µH
+B
9 10
– 17 –
DO
+B
10
AUCLK
1
DATAD
2
BCLK
3
LRCK
4
AUDO
5
AUBCK
6
AULRCK
7
+B
+5V
8
CNP11
R-CH
1
AGND
2
L-CH
3
DGND
4
+B +5V
5
C83
0.022
AUEMP
9
3.3V
10
AV_GND
11
D_GND
12
MDO
13
MDI
14
R97
MCLK
3.9K 15
+B
INT
1
WRQ
2
DRF
3
CE
4
DO
5
DI
6
CL
7
RES
8
9
10
11
12
MBUSY
16
SBUSY
17
C2PO
18
RES
19
O/C
1 1 1
2 2 2
GND(D)
3 3 3
DISC_NO
4 4 4
M+ +
5 5 5
M
M–
6 6 6
–
CNP4
CD LOADING
MOTOR PWB-E
11
CD-BP1450V
P20 1-A
CNS601
TO MAIN PWB
CDINT
WRQ
DRF
CE
DO
DI
CLK
CD RES
CLAMP SW
GND
SBUSY
MBUSY
CNP12
TO MPEG SECTION
P14 1-C
P14 1-F
SW1
OPEN/CLOSE
SW2
CLAMP
SW3
DISC NUMBER
M3
T/T
UP/DOWN
LOADING
12