Sharp CD-XP300W Service Manual page 21

C34 100P(CH)
C33 0.022
C32 100P(CH)
C30 100P(CH)
C57 56P(CH)
C28 100P(CH)
+B
C27 0.022
76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
LRCK
8 7 3
ASDFIN
ASDACK
1 DATA
SLCO 60
ASLRCK
2 BCK
SLCIST 59
16MOUT
EFLG
IC1
C2F
LC78645NE XVSS
FSX/16MIN
CD SERVO
XIN
XOUT
ADAVDD
18 LVSS 43
XVDD
ADAVSS
LCHO
19 42
RVDD
TDO
LVDD
41
20
RCHO
RVSS
27 28 29 30 31 32 33 34 35 36 37 38 39 40
25 26
9
C13
0.022
+B
R20
10K
R46
R45
820
820
D2
D1
DS1SS133
DS1SS133
3 2
Q3
1
KRC102 M
R49
1
• The numbers 1 to
7
R38 1K
R37 1K
R36 1K
R35 1K
R34 1K
R33 1K
R32 1K
R29
2.2K
R28
12
2.2K
11
60
59
10
58
57
56
55
54
53
XL1
52
33.8688 MHz
51
50
49
R43
48
220 +B
47
+B
R22
46
100
ZD1
45
DZ3.3BSB
44
43
C16
42
330/6.3
R25
+B
41
2.2K
C23
C26
10/25
0.0015
R24
C25
0.0015 R27
2.2K
10K
C22
0.01
R26
10K
+B
12 are waveform numbers shown in page 38.
8
Figure 21 SCHEMATIC DIAGRAM (2/10)
C51
0.022
C48
0.022
CONSTANT
VOLTAGE
(1/4W)
Fusible
C18
100/10
+B
+B
+B
+B
9 10
– 21 –
1 WRQ
2
DRF
3 CE
4
DO
+B
5 DI
6 CLK
CD RES
7
R31
8 CLAMP SW
1K
9 O/C
DISC NO
10
+B
R-CH
1
A_GND
2
L-CH
3
D_GND
4
+B
C42
D_5V
5
0.01
A_5V
6
D_GND (DRIVER)
7
+B
+6.5V
8
R51
3.3
+B
R47
100
ZD2
DZ3.9BSB
+B
+B
1 1
2 2
3 3
4 4
5 5
6 6
11
CD-XP300W
CD LOADING
MOTOR PWB-E
BI4
SW1
OPEN/CLOSE
1
2
SW2
CLAMP
3
4
SW3
DISC
5
+ NUMBER
M
–
M3
6
CD LOADING
MOTOR
12