PDP-505MX
16
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3. BLOCK DIAGRAM
3.1 OVEALL BLOCK DIAGRAM
Main Board Assy (M/B)
P-ON
IR signal
LVPS signal
for ABL control
Display port
FAN alert, THERM
FAN PWM
Input
component
s Y,Cb,Cr
Input
composite
signal
Input S-
video
Input1
RGB
Input2
RGB
Input DVI
U39 (MST9883)
A/D 110MHz
DVI Receiver
U34(EP169)
- 3DY/Csep
- chromaticity
signal decoder
- internal A/D
- maximum 170Mhz
U8 (PW2300)
Video Decoder &
High-Speed Triple
ADC
- I/P Conversion
- Scaling
- 2 screen
processing
- System control
U10(PW318B)
(1) De-interlacer
(2) Video Enhancement
a.DCTI/DLTi
b.W/B expansion
c.Digital brightness
contrast,hue and
saturation cintrol
(3) Image Scaling
24bit
48bit
SDRAM
128M DDR
U23
Flash Rom
Memory
for
Firmware,OSD
U14
Input
Audio 1
Input
Audio 2
Input
Audio 3
Selector IC
U41,U42
(MAX4581)
RS232C
232C interface
U1(MAX232)
Detecting sync
of input signal
Q4,Q30,Q28,
Q46
to U10
SDRAM
U7 16M
Detecting sync
of input signal
Q5,Q27,Q26,
Q43
Detecting sync
of input signal
Q2,Q35,Q33,
Q36
Detecting sync
of input signal
Q23,Q31,U49
(LM393)
Detecting sync
of input signal
Q24,Q37,U50
(LM393)
Electrical volume and
Tone control IC U900
(NJW1141)
(1) Internal SW
(2) Volume and tone
control
(3) Built in AGC
Function
Digital Power
Amplifier IC U902
(TAA2008)
(1) Class T
Architecture
(2) 8W+8W
SP
OUT
BTL
Audio Board Assy
15
13
12
10
17
+12 VDD
2
4 7 8 24
42inch
Thermal sensor C
Thermal sensor A
Thermal sensor B
50inchi
Selector
IC
U46,U38
(3257)
ALRM
LED
for automatic power off control
SCL/SDA
DVI-D ( only Digital Signal ) /HDCP
(I
2
C)
STBY
Mute
R,G,B each
8bit (total 24 bit)
Digital Visual Interface
30
21(L)
10(R)
5
31
13
14
SDA
SCL
30
1
(L)
(R)
(L)
(R)
Summary of Contents for PDP-505MX
Page 7: ...PDP 505MX 7 5 6 7 8 5 6 7 8 C D F A B E ...
Page 21: ...PDP 505MX 21 5 6 7 8 5 6 7 8 C D F A B E ...
Page 46: ...PDP 505MX 46 1 2 3 4 1 2 3 4 C D F A B E Sensor Board IR Board Power Switch Board ...
Page 47: ...PDP 505MX 47 5 6 7 8 5 6 7 8 C D F A B E Button ...
Page 48: ...PDP 505MX 48 1 2 3 4 1 2 3 4 C D F A B E Audio Board ...
Page 49: ...PDP 505MX 49 5 6 7 8 5 6 7 8 C D F A B E ...
Page 50: ...PDP 505MX 50 1 2 3 4 1 2 3 4 C D F A B E PS250 PWR 500W ...
