ViewSonic VG800-2 Service Manual page 42

PIN FUNCTION DESCRIPTION:
B. Audio Board
1. Audio processor
ICA2 (PT2313L) is a four-channel digital audio processor utilizing
CMOS Technology .Volume , Bass , Treble , Balance , Front/Rear
Fader Processor are incorporated into a single chip . Loudness function and
Selectable input gain are also provided to build a highly effective electronic
Audio processor having the highest performance and reliability with the
Least external components . and all functions are programable using the
IIC BUS
ViewSonic Corporation
39
Confidential – Do Not Copy
VG800b