Sharp MD-MT180 Service Manual page 52

MD-MT180
IC601 VHiLV8201W+-1 :PWM Driver (LV8201W)(2/2)
Pin No. Terminal Name
44 VCC2
45 IN3
46 S3
47 S2
48 S1
49 CP2
50 CP1
51 CPC1
52 CPC2
53 VG
54,60 RF
55,59 VS
56 WOUT
57 VOUT
58 UOUT
61 UCIN
62 VCIN
63 WCIN
64 COMIN
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
IC601 VHiLV8201W+-1 :PWM Driver (LV8201W)
COM
IN1F
IN1R
IN2F
IN2R
GND2
OUT1R
VS1
OUT1F
PGND1
PGND2
OUT2F
VS2
OUT2R
NC
MUTE
Terminal for supplying power to MOS circuit. Used by connecting to VCC1 terminal (pin 20).
Half bridge logic input terminal. Output from pin 36.
Logic input terminal in 3-phase thread section. Output from pins 42, 40, and 38.
Output terminal for charge pump booster pulse. The capacitor is connected between this terminal and
CPC2 terminal (pin 52). Open this when used with doubled voltage.
Charge pump booster output terminal. The capacitor is connected between this terminal and CPC1 terminal (pin 51).
Charge pump booster terminal. The capacitor is connected between this terminal and CP1 terminal (pin 50).
Charge pump booster terminal. The capacitor is connected between this terminal and CP2 terminal (pin 49).
Open this when used with doubled voltage.
Charge pump booster output terminal. The capacitor is connected to the GND terminal.
Output current detection terminal. The drive current is detected by connecting the GND terminal with low resistance.
Power supply terminal for driving the spindle motor. The capacitor is connected to the GND terminal.
Spindle section output terminal. The motor coil is connected.
Input terminal for spindle motor position detection comparator. The capacitor is connected between this
terminal and COMIN terminal (pin 64).
Input terminal for spindle motor position detection comparator. The capacitor is connected between this
terminal and pins 61-63.
64 63 62 61 60 59 58 57 56 55 54 53
1
2
3
4
5
6
7
LV8201W
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Function
52 51 50 49
– 52 –
48 S1
47 S2
S3
46
45 IN3
44 VCC2
43 FG
42 SUO
VS4
41
40 SVO
39 PGND4
38 SWO
PGND3
37
36 OUT3
VS3
35
34 SEL
33 SCOM