Sanyo DP37819 Service Manual

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

Sanyo DP37819 Specifications

General

Screen Size	37 inches
Display Technology	LCD
Resolution	1366 x 768
Aspect Ratio	16:9
Response Time	8 ms
Composite Video Inputs	1
Brightness	500 cd/m²
Inputs	HDMI, Component, Composite
Speakers	2 x 10W