Sharp CD-C462 Service Manual page 28

CD-C462/C462C
IC3 VHiM56748FP-1: Focus/Tracking/Spin/Slide Driver (M56748FP)
Vref-in
Vref-out
Vctl1(–)
VM1(–)
VM1(+)
GND
VM2(+)
VM2(–)
Vctl2(–)
Reg5V
Vref-in
1
OP1
2
Vref-out
5K
NC 3
Gain1
OP1
Gain1
4
10K 10K
5
VM1(–)
6
PA
VM1(+)
7
PA
8
GND
9
GND
10 GND
11 GND
VM2(+)
12
PA
VM2(–)
13
PA
14
10K 10K
Gain2 15
OP1
Gain2
NC
16 NC
5K
1.23V
Vcc
17 Vcc
OP1
18
Reg5V
Figure 28 BLOCK DIAGRAM OF IC
15K
Stand
TSD 36
by
2K
23K
35
23K
15K
5K
34
Gain4
OP1
33
10K 10K
32
VM4(–)
31
PA
VM4(+)
30
PA
29
GND
28
GND
27
GND
GND 26
VM3(+)
25
PA
VM3(–)
24
PA
23
Vctl3(out)
10K
22
OP1
Vctl3(–)
Vcc
21
Vctl3(+)
10K
Vcc 20
10K
19
Regbase
– 28 –
Standby
SS.GND
Standby
Gain4
Vctl4(–)
VM4(–)
VM4(+)
GND
VM3(+)
VM3(–)
Vctl3(out)
Vctl3(–)
Vctl3(+)
Vcc
Regbase