Philips HTS3551, Service Manual

Page: 32 / 43

8 - 1 8 - 1
BD BOARD
TABLE OF CONTENTS
Block Diagram(BD Board) ................................................................. 8-1
Voltages for connector pin ................................................................. 8-2
Waveforms for measure point .......................................................... 8-3
BLOCK DIAGRAM
MT8550 BD boar d
Ethernet
CE C
ASA9332 Loader
BD OPU Sanyo TR V- 414H05
R2A30209
Motor driver TPIC1391/
Motor driver
RF
SERV O
US B
CE C CE C
Wi fi Modul e
Front WI FI for HTS 3551 only
FB A
RJ -45
DC TO DC
DC TO DC
LD O
+5V
1.15V
2.6A
3.3V(450mA) LM1117-ADJ
FAN2013
TPS54418
1.5V(1 .65A)
USB 2.0
MT8550
One Chipset Solutio
n
64MB x 16 x 1 pc s
DDR3 BC H
64MB x 16 x 1 pc s
DDR3 AC H
CVBS out
HDMI OU
T
NAND Fl ash 2G bit
(256MB)
HDMI TMDS
STBY_3 .3V
LD O
+12V
AZ1117-ADJ
+9V loader LD
connect to main board
HA 500
LD O
3.3V
AZ1117-1. 2
+1.2V
( Atheros RT3370 )
BRAND: ALPH A
Model Nu mber:
WUS- N18U
1 16
HDMI ARC (
From TV
)