Sharp LC-32DH500 Service Manual page 33

2. Detailed ICs Information, DUNTKF261WE (Main Unit)
2.2. IC 306 ( MSH 9000-LF )
2.2.2. Pin Description
Analog Interface
Pin Name Pin Type
VIPL Analog Input
VINL Analog Input
VINR Analog Input
VIPR Analog Input
OUTNR Analog Output
OUTPR Analog Output
FBPR Analog Output
FBNR Analog Output
FBNL Analog Output
FBPL Analog Output
OUTPL Analog Output
OUTNL Analog Output
Digital Interface
Pin Name Pin Type
G0 Digital Input
G1 Digital Input
MUTE Digital Input
EN Digital Input
Power Pins
Pin Name
HVSSL
HVSSR
HVDDR
HVDDL
AVDD
GND
Function
Left channel P side audio input
Left channel N side audio input
Right channel N side audio input
Right channel P side audio input
Right channel N side switching output
Right channel P side switching output
Right channel P side feedback
Right channel N side feedback
Left channel N side feedback
Left channel P side feedback
Left channel P side switching output
Left channel N side switching output
Function
Volume gain control bit 0
Volume gain control bit 1
Class-D is mute when EN=Hi
Class-D is enable when EN=Hi
Pin Type Function
Ground Ground for left channel
Ground Ground for right channel
Analog Input Supply voltage for Right channel
Analog Input Supply voltage for Left channel
Analog Input Internal reference voltage
Ground Ground
(continued)
33
LC-32DH500
Pin
3
4
7
8
12, 14
17, 19
22
23
28
29
32, 34
37, 39
Pin
5
2
6
26
Pin
1, 30, 31,
40
10, 11, 20,
21
13, 15, 16,
18
33, 35, 36,
38
25
9, 24