Samsung HPR4272CX/XAC, Service Manual

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Block Diagram
7-4 Samsung Electronics
7-2-4 Logic Board Block Diagram
ASIC
nRESET
CONTROL
SIGNAL
60pin Connector 60pin Connector
10Pin(Power) 31Pin LVDS
SPS-NIRB
(ASIC 816P)
DDR
(FA)
DDR
(MA)
DDR
(MB)
MICOM
DRIVE
RESET
R,G,B : 16bit
CLK A, B
BLK, POL, STB
R,G,B : 16bit
CLK A, B
BLK, POL, STB
DATA : 32bit
ADDR : 12bit
DQS, CLK, nCLK
RELAY_EINT
AC-OFF-EINT
Vs-ON
LVDS
SIGNAL
SDA, SCL
TX, RX
X-MAIN
CONTROL
SIGNAL
Y-MAIN
CONTROL
SIGNAL
ADC 4bit
ADC 3bit
ADC 1bit
4p
in (
I2C
)
30MHz
60MHz
74MHz
50pin Connector
30pin Connector
7-2-5 Main Board Block Diagram
Display Panel
42", 1024 x 768
Audio AMP
TAS5122
NSP
DNIe
Lite
Coaxial Out
Optical Out
SVP-EX62
Video SW
VIDEO1
S-VIDEO1
VIDEO2
S-VIDEO2
(SIDE-AV)
VSB NIM Tuner
Main
Audio Process
MSP4440K
28F640