Ip9009 - LG MBD-D102X Service Manual

5. IP9009

5-1. PIN CONFIGURATION
5-2. BLOCK DIAGRAM
BIAS REBadj REOadj
28
1
FWD
5-3. PIN DESCRIPTION
No SYMBOL I/O
1 FWD I Loading motor forward input
2 REV I Loading motor reverse input
3 CTL I Loading motor speed control
4 PS I Power save
5 IN1 I CH1 input
6 IN2 I CH2 input
7 SVCC - Signal power supply
8 PVCC1 - Power supply 1
9 VOL- O Loading driver output(-)
10 VOL+ O Loading driver output(+)
11 VO2- O CH2 driver output(-)
12 VO2+ O CH2 driver output(+)
13 VO1- O CH1 driver output(-)
14 VO1+ O CH1 driver output(+)
BIAS REBadj REOadj Reset Vdet
28 27 26 25 24
1 2 3 4 5
FWD REV CTL PS IN1
Reset Vdet IN4
27 26 25 24 23
Reset
P/S
2 3 4 5 6
REV CTL PS IN1 IN2
SYMBOL
IN4 IN3 PGND MUTE PVCC2 GND VO4-
23 22 21 20 19 18
I P 9 0 0 9
6 7 8 9 10 11
IN2 SVCC PGND PVCC1 VOL- VOL+ VO2-
IN3 PGND MUTE PVCC2
22 21 20
MUTE
TSD
LEVEL SHIFT
-
D
8 9
7
PGND PVCC1 VOL-
SVCC
No SYMBOL I/O
15 VO4+
16 VO4-
17 VO3+
18 VO3-
19 GND
20 PVCC2
21 MUTE
22 IN3
23 IN4
24 Vdet
25 Reset
26 REOadj
27 REBadj
28 BIAS
3-37
VO4+ VO3- VO3+
17 16 15
12 13 14
VO2+ VO1- VO1+
GND VO4- VO4+ VO3- VO3+
19 18 17 16 15
D D D D
- + - +
LEVEL SHIFT LEVEL SHIFT
45K 45K
10K 10K
10K 10K
45K 45K
LEVEL SHIFT LEVEL SHIFT
+ - + - +
D D D D D
10 11 12 13 14
VOL+ VO2- VO2+ VO1- VO1+
SYMBOL
O CH4 driver output(+)
O CH4 driver output(-)
O CH3 driver output(+)
O CH3 driver output(-)
- Ground
- Power supply 2
I Mute
I CH3 input
I CH4 input
I Reset controller input
O Reset controller output
O Adjustable regulator feedback
O Adjustable regulator control
I Bias