46
Schematic Diagram
Main Board
HDMI MUX
2.5V
HDMI 2
Audio Jack
ENG37E14KF
PC-VGA
S-Video
Automatic volume control,Audio I/F,USB2.0
5V,3.3V
D-Sub
3.3V,2.5V,1.8V,1.2V,1.1V
Audio AMP 3W X 2
5V,3.3V
R
TMDS251PAGR
TUNER
Component
A3S56D40ETP DDR
Keypad
HEAD
PANEL
3.3V,1.8V
IR
Component
OUT
L
MPEG-1 layer I/II decoding,Audio ADC,Audio DAC
HDMI 1
12V
3.3V
POWER
3D surround processing with virtual surround
ZENTEL
PC
CVBS
TDA8932BTW
MT5335AKU
LVDS
MT8295
MT5131
S
CART
2-D Graphic,De-interlace,VADCx4,HDMI In I/F
BOARD
3.3V,2.5V,1.2V,1.1V
YPbPr
Phone
POWER
TV audio demodulator
Panasonic
Audio L,R
SCALER
SPDIF
PCMCIA
5V
5V
Inverter
Digital TV Demodulator,Analog TV IF Demodulator
Channel demodulator
Common Interface Controller
12V
Chapter 9
Summary of Contents for AT1945
Page 1: ...1 Acer AT1945 AT1946 Service Guide ...
Page 7: ...7 Monitor Features General Specifications Chapter 1 ...
Page 8: ...8 ...
Page 13: ...13 Optical Specifications Test Conditions Optical Specifications ...
Page 14: ...14 Connecting Peripherals Front panel controls Chapter 2 ...
Page 17: ...17 Using the OSD Menus ...
Page 18: ...18 ...
Page 19: ...19 ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 29: ...29 Fig 9 Fig 10 Disassemble the IR board Fig 11 Disassemble the front panel ...
Page 30: ...30 Fig 12 ...
Page 42: ...42 PCB Layout Main Board Layout Chapter 8 ...
Page 43: ...43 ...
Page 44: ...44 Power Board ...
Page 45: ...45 Key Board IR board ...