Sharp CD-BA1500H Service Manual page 19

IC2
LC78641E
ERVO/SIGNAL
8
CONTROL
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
100P PCKIST
R11
12K
VVDD
5
R14
R10 FR
R80
6
27K 1M
1.2K
HFL
7
C20 SLCIST
8
0.1
R15
SLICE
SLCO
R8 9
LEVEL
330 CONTROL
10K
EFMIN
10
C17
C27
11
JITTV
0.0047
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
S/H
22
TDO
23
R44
FDO
24
1K
25 26
R35
1
1K
13
R38
270
6
_M+
_M-
+B
C4
ADING M+
ADING M-
R21
470
C47 D21
100/16
DS1SS133
D
C3
-
+
SPDO
O
C2(SPN)
+B
• The numbers 1 to 13 are waveform numbers shown in page 42.
7
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3
C71 100P
C72 0.01
C73 100P
R94
10K C74 100P
C75 100P
C76 100P
R95
10K
C77 100P
C78 100P
+B
+B
C80
0.022
EFMO
VDD5V
80 79 78 77 76 75 74
73 72 71 70 69 68 67 66 65
GENERAL
IC2
FRAME SYNC
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
JITER
DEFECT
CONTROL
SW
AUTO
SERVO
ADJUST
PROCESSEROR
A/D
GENERAL
D/A
ERROR
AUDIO
CORRECT
OUT
FSX
27 28 29 30 31 32 33 34 35 36 37 38 39
R39
470
C30
0.1
C31
100/10
+B
+B
R16
10K
+B
R22
470
D22
DS1SS133
2 3
Q2
1
KRC102M
+B
8 9
Figure 25 SCHEMATIC DIAGRAM (2/10)
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
DATACK
58
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
C35 8.2P
R20
52
XOUT 220
XL1
XIN
C36 8.2P
51
+B
XVDD
C34
50
0.022
+B
RVDD
49
RCHO
48
R82
RVSS
47 2.2K
LVSS
46
LCHO
45
R81
C39
LVDD
44 2.2K
10/16 +B
43 MUTER
C56
42 MUTEL
330/6.3
41 EMPH
40
TEST
+B +B
9
R87
120
CONSTANT VOLTAGE
L61
0.82µH
Q1
KTC3203Y
+B
ZD61
DZ3.9BSB
10
– 25 –
CD-BA1500H
DRF
RES
WRQ
INT
DO
DI
CL
CE
+B
R-CH
1
AGND
2
P26 1 - B
L-CH
CNS402
3
DGND
TO MAIN PWB
4
+5V
5
+B
CNP11
C83
0.022
1
2 CNS99
TO DIGITAL OUT
3
PWB
CNP5
P27 11-A
+B
+B
INT
1
CDINT
WRQ
2
WRQ
DRF
3 DRF
CE
4
CE
DO P33 12 - B
5 DO
+B
CNS701
DI
6 DI
TO DISPLAY PWB
CL
CLK
7
RES
8 CD RES
9 CLAMP SW
10 GND
CNP12
CNS4
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
MOTOR
CNP4 BI4
CD T/T UP/
DOWN MOTOR
PWB-E
11 12