Vizio VX42L HDTV10A Service Manual page 47

1. BLOCK DIAGRAM
2. Key Feather
48-pin LQFP package
2 Vrms DAC output
MUTE and RESET functions
7-channel input multiplexer with ADC programmable gain amplifier's (PGA's) gain
from +21dB to –21dB in
0.5dB step
Two individual sets of I2S ports simultaneously support different sample rates for
the ADC and DACs and
CONFIDENTIAL – DO NOT COPY
then output from DAC1 and DAC2 independently
Page 7-16
File No. SG-0211