Sharp CD-BK133W Service Manual page 45

IC3 VHiM63001FP-1: Focus/Tracking/Spin/Sled Driver (M63001FP)
Terminal
Pin No.
Name
1 TO CH2 inverted input.
2 FD CH1 inverted input.
3* FO CH1 output offset control.
4 FO+ CH1 inverted output.
5 FO- CH1 non-inverted output.
6 TR+ CH2 inverted output.
7 TR- CH2 non-inverted output.
8-14 GND GND
15 SL- CH3 non-inverted output.
16 SL+ CH3 inverted output.
17 SLDO CH3 inverted input.
18 VCC1 Power supply 1 (CH1, CH2, CH3)
19 STANDBY STAND-BY signal input.
20 VRFE CH1-CH4 Reference voltage input.
21 MUTE Mute signal input (CH6).
22 IN5- CH5 inverted input.
23 IN5+ CH5 non-inverted input.
24 VCC2 Power supply 2 (CH4).
25 SPO SPDO CH4 inverted input.
26 SP+ CH4 inverted output.
27 SP- CH4 non-inverted output.
28 VCC3 Power supply 3 (CH5).
29-35 GND GND
36* OUT5+ CH5 non-inverted output.
37* OUT5- CH5 inverted output.
38 LOADING M- CH6 non-inverted output.
39 LOADING M+ CH6 inverted output.
40 VCC4 Power supply 4 (CH6).
41 LD_M- CH6 inverted input.
42 LD_M+ CH6 non-inverted input.
In this unit, the terminal with asterisk mark (*) is open terminal
which is not connected to the outside.
Function
– 45 –
TO 1
FD 2
FO 3
FO+
4
5
FO–
6
TR+
7
TR–
8
9
10
11
GND
12
13
14
SL–
15
SL+
16
SLDO
17
VCC1
18
STANDBY
19
VTEF
20
MUTE
21
Figure 45 BLOCK DIAGRAM OF IC
CD-BK133W
42 LD_M+
41
LD_M–
40 VCC4
LOADING M+
39
38 LOADING M–
37 OUT5–
36
OUT5+
35
34
33
GND
32
31
30
29
28
VCC3
27
SP–
26
SP+
25
SPO SPDO
24
VCC2(SPN)
23
IN5+
22
IN5–