Sharp CD-BA250 Service Manual page 21

C33
100P
C30
100P
C5
47(ML)
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
1
SLCO
2
SLCIST
2
3
EFMIN
5
RF
4
C8
8
5 RFVDD
047
RSVSS
6
7 FIN1 A
TP1
8
FIN2 B
TIN1 E
9
LC78645E
TIN2 F
10
C10
VREF
11
CD SERVO
10/50
REF1
12
FE
13
C11
TEC
14
0.22/50
TE
15
4
6
RFMON
16
JITTC
17
P
ADAVDD
18
ADAVSS
19
TDO
20
FDO
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
2
1
4 3 2 1
DS1SS133
3
39 40 41 42
LD_M+
LD_M–
• The numbers 1 to 12
7
3
C34
100P
C32
100P
C28
100P
C27
0.022
60
59
LRSY
58
ASDFIN
57
ASDACK
56
7
ASLRCK
55
IGMOUT
54
EFLG
53
IC1
C2F
52
XVSS
51
FSX/16MIN
50
XIN
49
XOUT
48
XVDD
47
RVDD
46
RCHO
45
RVSS
44
LVSS
43
LCHO
42
41
R20
9
10K
R46
R45
470
470
D2
D1
DS1SS133
2
Q3
1
KRC102 M
R49
1
are waveform numbers shown in page 38.
8
Figure 21 SCHEMATIC DIAGRAM (2/9)
R38 1K
R37 1K
R36 1K
R35 1K
R34 1K
R33 1K
R32 1K
R29
2.2K
R28
12
2.2K
11
DATA
DATACK
10
XL1
33.8688MHz
R43
100
R22
100
ZD1 DZ3.3BSB
C24
C17
10/50
0.022
R25
LVDD
2.2K
C16
C44
330/6.3
C26
0.001
C23
0.0015
10/50
R24
R27
2.2K
10K
C25
0.0015
R26
10K
9 10
– 21 –
CD-BA250/CD-BA2600
WRQ
DRF
CE
DO
CL
CD RES
CLAMP SW
O/C, DISC NO
C51
0.022
R-CH
AGND
L-CH
DGND
+5V
+5V
C48
0.022
Q2
KTC3203 Y
R47
100
ZD2
DZ3.9BSB
R30
8.2K
OPEN/CLOSE
1 1 1
2 2 2
3 3 3
R19
4 4 4
15K
5 5 5
M
6 6 6
CNP4
CNS4
CD LOADING
MOTOR PWB-E
11
1
2
3
4
DI
5 CNS8
6
FROM
DISPLAY PWB
7
P27 8-A
8
9
CNP8
1
2
3
CNS601
4
FROM
5
MAIN PWB
P22 1-A
6
CNP7
SW1
SW2
CLAMP
SW3
DISC NO.
M3 T/T
UP DOWN
LOADING
12