Sharp XL-MP130 Service Manual page 53

IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261)
1
CH3
2
3
4
5
CH2
6
7
8
9
CH1
VOLTAGE
CONTROL AMP
10
22k
11k
-
11
+
12
22k
1k
11k
13
-
+
14
22k
1k
11k
15
-
+
22k
16
1k
11k
-
17
+
18
1k
-
+
-
+
-
+
-
+
-
+
-
+
Refcronce
voltage
Bandgad
Figure 2 BLOCK DIAGRAM OF IC
+
-
+
-
BTL
DUFFER AMP
For 1/2 VCC
TSD
8 – 5
XL-MP130
36
CH4
35
34
33
32
CH5 31
30
29
28
CH6
27
26
-
+
25
DUFFER AMP
For VREF
24
23
22
21
20
19