Sharp XL-MP150H Service Manual page 42

XL-MP150H/MP150E
A
B
PICKUP UNIT(306)
VREF
E
A
B
F
C
C
TR-
TR+
TR+
FO+
FO+
FO-
TR-
D
GND
E
CD MOTOR PWB-E
F
CNP3A
+
M1A M
6
SPINDLE
-
MOTOR 5
+
4
M2A
M
SLED
3
-
MOTOR
2
SW1A 1
PICKUP-IN
G
H
1
The numbers to
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
1
CD/MP3 PWB-D
CD SIGNAL
16 16
GND
16 16
LD
15 15
VREF
14 14
PD
13 13
VCC
12 12
VR
11 11
E
10 10
A
9 9
B
8 8
F
7
7
C
6 6
GND
5 5
TR+
4 4
FO-
3 3
FO+
2 2
TR-
1 1
1 1
CNP1
PD
VR
LD
+B
+B
+B
36 35 34 33 32 31 30 29 28
1 2 3 4 5 6 7 8 9
CNW3
SP+
6
6 6
SP-
5
5 5
SL+
4 4
4
SL-
3
3 3
PUIN
2 2
2
GND
1 1 1
CNP2
+B
+B
+B
10
are waveform numbers shown in page 5-1
2 3
Figure 6-16 SCHEMATIC DIAGRAM (15/16)
+B
+B
+B
TP1
C4 0.01
R6
0
C5 47/25
C6
3.3/16
+B
+B
+B
R10
5.6K
+B
R11
+B
6.8K
R14
+B
10K
R15
10K
C10
1000/6.3
C58A
0.01
27 26 25 24 23 22 21 20 19
IC2
LA6261
FOCUS/TRACKING/
SPIN/SLED DRIVER
10 11 12 13 14 15 16 17 18
+B
Q2
KTA1271 Y
C11
100/10
+B
4
6 – 16
+B
R50 R51
10K 10K
C44 C43
0.0015
0.0015
C40
0.1
+B
XL1
16.9344MHz
C47
0.047
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
R16
EFMIN
330
1
C12 0.0047
2
RFOUT
3 1
LPF
C13 0.01
4 PHLPF
C14 0.047
5 AIN
6 CIN
BIN
7
8 DIN
IC1
C15
0.056
9 FEC
LC78690ES2
TP3
RFMON
TP2 10
MP3 Decoder
VREF
11
DIGITAL SIGNAL
C16 0.01
JITTC
12
PROCESSOR
EIN
13
FIN
14
C17
0.056
6
TEC
15
2
TP4
TE
16
0.01
C18 5
7
17 TEIN
4
18 LDD
LDS
19
20 AVSS
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
AVDD
3
R25
C23
0.1
68K
C24
0.1
+B
(MO_SPEED)
(MO_B+)
(MO_B-)
(MO_A+)
(MO_A-)
R53
1
R54 1 +B
5
+B
+B
C34
0.1
C35
R45
1/50 150
VPREF2
VV
LRSY
DATACK
DATA
TEST1
STDATA
STCK
STREQ
TEST0
CONT0
CONT1
CONT2
INTB1
INTB0
RESB
DO
DI
CL
CE
TP5
+B
C28
0.1
R27
C29
82 100/10
+B
(DVDD
(DGND
R28
4.7K
6