Chapter 9 Schematic Diagram; Main Board - Acer AT1945 Service Manual

Schematic Diagram

Main Board

Inverter
12V
POWER
5V
BOARD
ZENTEL
A3S56D40ETP DDR
2.5V
POWER
3.3V,2.5V,1.8V,1.2V,1.1V
SCALER
MPEG-1 layer I/II decoding,Audio ADC,Audio DAC
3D surround processing with virtual surround
Automatic volume control,Audio I/F,USB2.0
2-D Graphic,De-interlace,VADCx4,HDMI In I/F
Digital TV Demodulator,Analog TV IF Demodulator
TV audio demodulator
D-Sub
HDMI MUX PC-VGA
TMDS251PAGR
5V,3.3V
HDMI 1
Component
YPbPr
IR
PANEL
LVDS
MT5335AKU
3.3V,2.5V,1.2V,1.1V
PC
Audio Jack
SPDIF
OUT
Component
Audio L,R
46
Chapter 9
Audio AMP 3W X 2
TDA8932BTW
12V
PCMCIA
Common Interface Controller
5V,3.3V
MT8295
3.3V,1.8V
Channel demodulator
MT5131
3.3V
TUNER
Panasonic
ENG37E14KF
5V
HEAD
Phone
CVBS
L
R
S-Video
HDMI 2
Keypad