Sharp CD-CH1500 Service Manual page 26

CD-CH1500
A
B
C
FFC901
CNP1
33
33
32
31
30
29
28
27
D
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
E
11
10
9
8
7
6
5
4
3
2
1
1
F
G
CD SERVO PWB-C
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
• The numbers 1
1
CD_+B
CD_GND
CD_R-CH
R92
47K
GND
PU-IN
R91
CORE1
47K
CD_L-CH
BUS0
BUS1
CD/CD-RW_SEL
BUS2
BUS3
BUCK
/CCE
/RST
CD FUNC
TRAY_C
TRAY_B
TRAY_A
CANA_A
CANA_B
CANA_C
CANA_D
CANA_E
CANB_A
CANB_B
GND
to 17 are waveform numbers shown in page 52. (CD-CH1000)
2
Figure 26 SCHEMATIC DIAGRAM (7/11)
CD SIGNAL
+B
R16 R18
100 100
C92
470P
C10
0.022
R6
120
C11
15P
R19
1M
R14
82
+B
C65
C1
0.001
100/10
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
C2
0.022
49
DVSS 0V
50 1.5V
RO
C4
C6 17
51 DVDD 3.1V
100/10
10/16
52 1.5V
DVR
C5
53
1.5V
LO
10/16
16
54
DVSS
C64
55
ZDET 0V
0.001
56 0V
VSS
R7 1K
BUS0
57 BUS0 0V
BUS1 R8 1K SERVO/SIGNAL
58 BUS1 0V
BUS2 R9 1K
59
0V
BUS2
BUS3 R10 1K
60
BUS3 0V
BUCK R11 1K
61
BUCK 4.8V
/CCE R12 1K
62 /CCE 4.8V
R13 1K
63 /RST 4.8V
5.1V
64 VDD
DZ1
1 2 3 4 5 6 7 8 9
MTZJ5.1A
C13
0.022
+B
3 4
– 26 –
+B
TP7 TP8
C16
0.047
C17
C15
0.047
0.047
TP6 R21
5.6K
1
C18
0.033(ML)
1.7V
4
TEZI 32
11
1.7V
31
TEI
6
0.7V
30
SBAD
1.7V
15
7
FEI 29
1.7V
14
28
RFRP
5
1.7V
27
RFZI
1.7V
IC2 RFCT 26
3.3V
AVDD 25
TC9490F
1.7V
24
RFI
1.6V
23
SLCO
0.0027
0V
CONTROL
22
AVSS
1V
21
VCOF
1.7V
20
PVREF
3.3V
19
LPFO
1V
13
LPFN 18
0V
TMAX 17
R29
100K
R30
12
10 11 12 13 14 15 16 2.2M
R28
R25
47K
5.6K
R27
47K
5
L2
0.82µH
C28
0.022 L7
0.82µH
C19
0.047
TP10
TP9
C27
C21
0.0047
0.001
C30
47/10
C22
0.033(ML)
R31
10K
C23 0.01
C24
C25 0.01
RF
C26
0.015
R32
15K
C20
47P
+B
6