Vizio L37 Service Manual page 32

Video Board Block Diagram
I2C
Narrow_IF_OP1&OP2
IF AGC
PHILIPS TD1336
U6
CONFIDENTIAL – DO NOT COPY
PORT SAW AGC
FILTER Amplifiers
U7 U8
DDR SDRAM
U12,U13
DV33
I2C
Demodulator
MT5111
U9
DTV Backend Decoder
MT5351
U10
AUD_CTRL
VOLTAGE
Flash Memory
CONTROL
U15
CRYSTAL
OSCILLATOR
X1
Video Signal
Audio Signal
Communicate Signal
Control Pin
I2C
FCC
50PIN
CON.
IDTQS3VH257
U18
For Main Board
Title
<Title>
Size Document Number
B <Doc>
Date: Monday, November 14, 2005 Sheet
File No. SG-0176
J1
Rev
<RevCode>
1 of 1
Page 6-4