Main Sheet Block Diagram & Periphericals - Sanyo DP46840 Service Manual

MAIN SHEET BLOCK DIAGRAM & PERIPHERICALS
+3.3V +1.8V
+12V +1.0V/+3.3V/+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
TMDS
DDC
HDMI4
EEPROM
VGA
Illumination
(LED)
Remote
Power LED
PC Audio
Video1 Audio
Video2 Audio
Video3 Audio
(shared with DVI)
SPI Flash
(128Mb)
IF
8VSB/QAM
2
I C
Demod.
S-Detect
Video
ADC
HDMI
Rx
BTSC
Decoder
HDMI
Selector
NTSC
IC
Demod.
Audio
ADC
2
I C
UART
to write data
into EEPROM
TV CPU
TV CPU
H
Synch-
detect
V
Keys
IR
Light Sensor (optional)
S/W update
For Factory use
EEPROM
Select
in
in
in
in
Audio Selector
DDR2
512Mb (366MHz)
Write protect
BCM35143
DEMUX
MPEG2
Video
Decode
AC-3
Decoder
Video
NTSC
Processing
Decoder
CPU
Scaler
(MIPS)
Audio
OSD
Processing
Unit
Audio
LVDS
DAC
Out
Mute
2
I C
Amp mute.
I2S
Audio Amp.
– 40 –
USB Power SW
fault
USB2.0
54.1MHz
RESET
Panel cont.
Back Light cont. (BLON)
Back Light level (PWM)
ower or T-CON
P f
Vcc cont.
Panel Unit
Power
for BL
Video data & clock
(LVDS)
2
I C
Cont.
(Skip this on 60Hz Models)
Power On/Off
Software of Audyssey is under
Audio mute.
study for sound improvement.
+5V
USB
JTAG
RS-232C
S/P DIF
60Hz 120Hz
120Hz Model Only
Line Out
TV Speakers
(10W+10W)