Sharp XL-MP150H Service Manual page 22

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XL-MP150H/MP150E
PICKUP UNIT(306)
VREF
16
15
E
14
A
B
13
F
12
C
11
10
9
8
7
6
5
4
3
2
1
TR-
TR+
TR+
FO+
FO+
FO-
PD
TR-
VR
LD
GND
(MGND)
M1A
SPINDLE
MOTOR
M2A
SLED
MOTOR
SW1A
PICKUP-IN
GND
16
LD
15
VREF
14
PD
13
VCC
+B
12
VR
11
E
10
A
9
B
8
F
7
C
6
GND
5
TR+
4
FO-
3
FO+
2
TR-
1
CNP1
36 35 34 33 32 31
30 29 28
LA6261
FOCUS/TRACKING/
SPIN/SLED DRIVER
1
2
3
4
5
6
7
8
CNP3A
+
SP+
M
6
6
SP-
-
5
5
SL+
+
4
4
M
SL-
3
3
-
PUIN
2
2
GND
1
1
CNP2
(MGND)
Figure 4-5 BLOCK DIAGRAM (5/6)
+B
+B
+B
TP1
TP3
LASER
DRIVER
Q1
27 26 25 24 23 22 21 20 19
IC2
9
10 11 12 13 14 15 16 17 18
+B
Q2
4 – 5
XL1
16.9344MHz
(AGND)
+B
AVDD
SLCO
80 79 78 77 76 75 74 73 72 71 70 69 68 67 6
EFMIN
1
2
RFOUT
LPF
3
4
PHLPF
AIN
5
CIN
6
BIN
7
DIN
8
FEC
9
LC78690ES2
RFMON
10
TP2
VREF
MP3 DECODER/DIGITAL S
11
JITTC
PROCESSOR
12
EIN
13
FIN
14
TEC
15
TP4
TE
16
TEIN
17
LDD
18
LDS
19
AVSS
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 3
+B
+B
(MO_B+)
(MO_B-)
(MO_A+)
(MO_A-)
(MO_SPEED)
+B
IC1
TP

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