Sharp CD-XP500A Service Manual page 27

C34 100P(CH)
C33 0.022
C32 100P(CH)
C30 100P(CH)
C57 56P(CH)
C28 100P(CH)
+B
C27 0.022
+B
78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
N
8 7 3
ASDFIN
5
ASDACK
DD
DATA
1 SLCO 60
SS
ASLRCK
BCK
2 SLCIST 59
16MOUT
A
B
IC1
E
F LC78645NE
F FSX/16MIN
CD SERVO
4
ADAVDD
18 LVSS 43
ADAVSS
19 LCHO 42
TDO
LVDD
41
20
ON
6
C
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
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 12
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
LRCK 58
57
56
55
54
EFLG
53
XL1
C2F
52
33.8688 MHz
XVSS
51
50
XIN
49
R43
XOUT
48
220 +B
XVDD 47
+B
R22
RVDD
46
100
ZD1
RCHO
45
DZ3.3BSB
RVSS
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
are waveform numbers shown in page 37.
8
Figure 27 SCHEMATIC DIAGRAM (10/11)
C51
0.022
C48
0.022
CONSTANT
VOLTAGE
C18
100/10
+B
+B
+B
+B
9 10
– 27 –
CD-XP500A/CD-XP500W
1
WRQ
2
DRF
3 CE
4
DO
+B
5
DI
6
CL
7 CD RES
R31
8 CLAMP SW
1K
9 O/C
10 DISC NO
+B
R-CH
1
AGND
2
L-CH
3
DGND
4
+B
C42
D_5V
5
0.01
A_5V
6
D_GND (DRIVER)
7
+B
+6.5V
8
R51
3.3
+B
(1/4W)
Fusible
R47
100
ZD2
DZ3.9BSB
+B
+B
1 1
2 2
3 3
4 4
5 5
6 6
11
CD LOADING
MOTOR PWB-E
BI4
SW1
OPEN/CLOSE
1
2
SW2
CLAMP
3
SW3
4
DISC
NUMBER
5
+
M
–
M3
6
T/T UP/DOWN
LOADING MOTOR
12