Sharp CD-C410W Service Manual page 21

R45
1K
R46
1K
R47
1K
+B
R38
3K
R37
47K
32
P
R34
1K
C53
220P
D2
S119
+B
+5V
R49
C46
100K
0.022
2 3 4 5 6 7 8 9
10
• The numbers 1 to 12
7
R60
C22
1K
0.01
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
µ-COM
INTERFACE
DEF1
1
R18
2
TA1
3.3M
2KX8
PDO
3 RAM
C41
R58
0.047
680
4
VVSS
ISET
5
C42
0.047 VCO
OSC
COERECT
CLOCK
R57
CONTROL CONTROL
27K
6
VVDD
FR
7
R56
8
VSS
1.2K
EFMO
9
SLICE SYNC-DETECT
LEVEL EFM DEMODULATE
EFMIN
10 CONTROL
11 TEST2
CLV+
12
CLV
DIGITAL
CLV_
13 SERVO
V/P
14
HLF
15
SERVO
TES COMMAND
16
17 18 19 20 21 22 23
IC2
LC78623E
SERVO/SIGNAL
CONTROL
+B
C59
0.022
CD-LD M–
LOADING
CD-LD M+
MOTOR DRIVER
IC91
TA7291S
1 2 3 4 5 6 7 8 9
R98
10K
C95
0.001
11
P24 6-G, P25 9-G
TO DISPLAY PWB
are waveform numbers shown in page 31.
8
Figure 21 SCHEMATIC DIAGRAM (2/10)
CD-C410W/C415W/C420W,CP-C410/C415/SR410
+B
49
EFLG
48
SUB-CODE SBSY
47
46
XVSS
XIN
45
X-TAL
XOUT
GENERATOR 44
XVDD 43
MUTER
42
ERROR 41
RVDD
RCHO
FLAG
40
39
RVSS
LVSS 38
LCHO
37
36
LVDD
MUTEL
35
34
NC
33
TEST4
EXTERNAL
DIGITAL
OUTPUT
OUT
24 25 26 27 28 29 30 31 32
+B
R94
10
(1/2W)
D_GND
Q91
2SB561 C
+B
11.8V
0V
Q93
R96
KRC102 M
10K
11.8V
R95
3 2.2K
2
0V
11.8V
1 0V
+B
R99
10K
12 13 14
9 10
– 21 –
MAIN PWB-A1 (1/3)
+B
C92
0.022
C68
10/16
CD_R
R74 R76 C70
2.7K 390 220P
GND
C67 C69
R75
10/16 220P
CD_L
390
R73
2.7K
C43
100/10
C58
0.022
+B
+12V
REGULATOR
Q81
KTC3203 Y
M_12V
5.2V
4V
R81
R82
100 220
4.7V
L1
0.82µH
+4.3V
+B
C52
C51
0.022 47/10
GND
+5V
+B
D_5V
CD SIGNAL
SENSOR
PWB-F
CNP10 CNS10
1
SOL 1
1
GND(M)
2 2 2
+
M+
3 3 3
M
–
M– 4 4
4
GND(D)
5 5 5
SW1
OPEN CLOSE
6 6 6 OPEN
CLOSE
DISC NO. 7
7
GND(D)
8 8
MECHA UP
9 9
SW2
MECH UP
GND(D)
10 10
1
SW3
2 DISC NO
CNS5
11
20
19
18
17
16 D_GND
15
SOLM1
LOCK
M3
UP/DOWN
LOADING
12