19
″
LCD TV Hitachi 19LD4550U
76
8. Block Diagram
5V
Power
3.3V,2.5V,1.8V,1.2V,1.1V
IR
Headphone
Audio AMP
TDA8932BTW
12V
MT5380GKU
MPEG-1 layer I/II decoding
Audio ADC
Audio DAC
3D surround processing with
Virtual surround
Automatic volume control
Audio I/F
2-D Graphic
De-interlace
VADCx4
HDMI In I/F
Digital TV Demodulator
Analog TV IF Demodulator
TV audio demodulator
3.3V,2.5V,1.2V,1.1V
Power
Board
16
Common Interface Controller
MT8295
3.3V,1.8V
PCMCIA
5V,3.3V
D-SUB/PC-VGA
SCART
HDMI 1
HDMI 2
HDMI MUX
TMDS251PAGR
5V,3.3V
Audio R/L of CVBS
Audio R/L of PC
YPbPr/L/R
S-Video
Keypad
Channel
demodulator
MT5133
3.3V
TUNER
DVB-T
FQD1116ME
5V
FLASH MEMORY
MX25L3205DMI-12G
3.3V
Flash MX25L3205DMI-12G
DDR SDRAM
HY5DU121622DTP-D4
3
2.5V
SPIDF OUT
2.5V
EARPHONE AMP
Summary of Contents for 19LD4550C
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Page 7: ...19 LCD TV Hitachi 19LD4550U 6 2 2 To Use the Menus ...
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Page 48: ...19 LCD TV Hitachi 19LD4550U 47 2 3 External equipment setup ...
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Page 59: ...19 LCD TV Hitachi 19LD4550U 58 2 4 Front Panel Control Knobs ...
Page 64: ...19 LCD TV Hitachi 19LD4550U 63 7 The panel ...
Page 70: ...19 LCD TV Hitachi 19LD4550U 69 6 PCB Layout 6 1 Main Board ...
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Page 73: ...19 LCD TV Hitachi 19LD4550U 72 6 2 Power Board ...
Page 74: ...19 LCD TV Hitachi 19LD4550U 73 6 3 Key Board 6 4 IR Board ...
Page 100: ...19 LCD TV Hitachi 19LD4550U 99 10 Exploded View 1 2 3 4 6 5 7 8 15 14 13 9 10 11 12 ...