Sharp HT-DV40H Service Manual page 114

HT-DV40H
IC2 VHIAT5669H++1 : 5 CHANNEL MOTOR DRIVER (AT5669) (2/2 )
PIN DESCRIPTION
Pin No. Pin name
1 IN1
2 DL1
3 FB2
4 IN2
5 3V3
6 FWD
7 REV
8 VCC1
9 OUT5-
10 OUT5+
11 OUT2+
12 OUT2-
13 OUT1-
14 OUT1+
15 OUT4+
16 OUT4-
17 OUT3+
18 OUT3-
19 VCC2
20 CPIP
21 VCTL
22 CPIN
23 IN3
24 CPO
25 DL2
26 IN4
27 VBIAS
28 MUTE_1_2_3_4
Notes: The indicated polarities for the output pins are under the condition that all inputs are (+).
The power supplies for the driver output are Vcc1 for the loader, Vcc2 for focus and tracking
drivers, and Vcc for pre-block and sled driver. Therefore, make sure Vcc1†Vcc2.
PIN CONFIGURATION
28
1
CH1(Focus coil) input
Linear Regulator 3V3 driver output
Linear Regulator 2 feedback input
CH2(Sled driver) input
Linear Regulator 3V3 input
CH5 forward input
CH5 reverse input
Power Supply 1
CH5(Tray driver) output(-)
CH5(Tray driver) output(+)
CH2(Sled driver) output (+)
CH2(Sled driver) output (-)
CH1(Focus coil) output (-)
CH1(Focus coil) output (+)
CH4(Tracking coil) output (+)
CH4(Tracking coil) output (-)
CH3(Spindle) output (+)
CH3(Spindle) output (-)
Power Supply 2
OP positive input
CH5 Speed control input
OP negative input
CH3(Spindle) input
OP Output
Adjustable Linear Regulator driver output
CH4 (Tracking driver) input
VREF input pin
Mute control for CH1,CH2,CH3,CH4
27 26 25 24 23
2 3 4 5 6
Function
22 PGND 21 20
AT5669
7 PGND 8 9
8 – 29
19 18 17 16 15
10 11 12 13 14