Main Sheet Block Diagram & Periphericals - Sanyo DP42849 Service Manual

MAIN SHEET BLOCK DIAGRAM & PERIPHERICALS
+5V +1.1V/ +1.8V/ +3.3V
+12V +9V/ +12V
+24V
+12V
RF-IN
Digital/
Analog
Tuner
Video1
(Composite/S)
Video2
(Component)
Video3
(Component)
TMDS
HDMI1
DDC
(or DVI)
TMDS
DDC
HDMI2
TMDS
DDC
HDMI3
2
I
VGA
Illumination
(LED)
Remote
Power LED
PC Audio
Video1 Audio
Video2 Audio
Video3 Audio
(shared with DVI)
NAND Flash
(256Mb)
IF
8VSB/QAM
2
I C
Demod.
S-Detect
Video
ADC
EEPROM
HDMI
Rx
EEPROM
BTSC
Decoder
EEPROM
NTSC
Demod.
C
EEPROM
2
I C
UART
to write data
into EEPROM
H
Synch-
V
detect
Keys
IR
Light Sensor (optional)
S/W update
For Factory use
(15pin I/F)
Select
in
in
Out
in
in
Audio Selector
DDR2
512Mb (533MHz)
Write protect
DEMUX
AC-3
Decoder
NTSC
Decoder
CPU
(MIPS)
Audio
Processing
Unit
Audio
DAC
TV CPU
TV CPU
2
I C
EEPROM
2
Audio
I S
ADC
Audio DAC
– 37 –
USB Power SW
fault
Reset
X243
PHY
MPEG2
Video
USB1.1
Decode
Video
54.1MHz
Processing
Scaler
Panel cont.
Back Light cont. (BLON)
OSD
Back Light level (PWM)
Video data
LVDS & clock
(LVDS)
Out
VCC cont.
Mute
Power On/Off
Audio circuit
consideration.
Audio cont.
equalizer, bass/treble and Audio
AGC ) may be used.
Audio mute.
Amp mute.
L/R
Audio
Amp.
+5V
USB2.0
USB
JTAG
RS-232C
RESET
S/P DIF
Panel Unit
Power for BL
Power for T-CON
is under
Xilleon internal
process (BBE,
Line Out
TV Speakers
(5W+5W)