Sharp XL-HP707 Service Manual page 28

XL-HP707
A
PICKUP UNIT(306)
B
VREF
E
A
B
F
C
PD
C
TR+
TR+
FO+
FO+
FO-
D TR-
TR-
VR
LD
GND
E
F
CD MOTOR PWB-E
+
M1A
G
M
SPINDLE
-
MOTOR
+
M2A
M
SLED
MOTOR -
SW1A
PICKUP-IN
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
H
1
The numbers
1
CD SERVO PWB-D
C38
GND
0.01
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
FFC1
CNP1
CNW3
CNP3A
SP+
6 6
6 6
SP-
5 5
5 5
SL+
4 4
4 4
SL-
3 3 3 3
PUIN
2 2
2 2
GND
1 1
1 1
CNP3
12
to are waveform numbers shown in page 5-1
2 3
Figure 6-10 SCHEMATIC DIAGRAM (9/10)
C1
47/25
+B
C2
0.01
KTA1504 Y
C4
0.001
R6
56K
R3
56K
+B
R45
100
30
36 35 34 33 32 31
FOCUS/TRACKING/
SPIN/SLED DRIVER
1 2 3 4 5 6 7
4
6 – 10
CD SIGNAL
R7
47
+B
Q1
R9 R41
10 56K
C3
+B
47/25
AVDD1
C5
0.047
C49
0.022
C8
R12
330 0.0027
C6
0.01
C12
100P(CH)
C9 0.056
3.3/16
C11
0.056
C46
0.01
+B
+B
R19
5.6K
R10
10K
R49
10K
29 28 27 26 25 24 23 22 21 20 19
IC2
LA6261
8 9 10 11 12 13 14 15 16 17
C40
100/10
+B
Q2
+B KTA1271 Y
5
C37
0.1
VVSS
VVDD
80 79 78 77
1
SLCO
2
3
EFMIN
RF
4
8
5
LPF
5
JITTC
6
AIN
7
CIN
8
BIN
9
DIN
10
C21
FEC
11
PHLPF/RFMO
12
VREF
13
EIN
4
14
FIN
15
TEC
1
16
17 TE
TEIN
18
LDD
19
LDS
20
FDO 21 22 23 24 2
+B
D1
KDS184
18
6