Bd Board - Philips HTB7250D Service Manual

6 - 1

BD BOARD

TABLE OF CONTENTS
Block Diagram(BD Board) ................................................................. 6-1
Voltages for connector pin ................................................................. 6-2
Waveforms for measure point ........................................................... 6-3
BLOCK DIAGRAM
RF
BD OPU Sanyo TRV-415H09
SERVO
TPIC2050 Motor driver
Ethernet
RJ-45
USB
USB 2.0
BRAND: ALPHA
Wifi Module ( Atheros RT3370 )
Model Number: WUS-N18M
front USB2.0
USB2.0 Bus
CEC
6 - 1
DDR3
128MB x 16 x 1 pcs
DDR3
64MB x 16 x 2 pcs
NAND Flash 2G bit
(256MB)
USB2.0 Bus
back USB2.0
HDMI TMDS
CEC CEC CEC
+5V DC TO DC
DC TO DC
HA500
DC TO DC
connect to main board
TPS54418
+12V
LDO
AZ1117-ADJ
1.5V(1.65A)
3.3V(1.1A)
FBA STBY_3.3V(0.1A)
1.2V
2.6A
+9V loader LD