Philips HTS5540, Service Manual

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6 - 1 6 - 1
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 6-1
Circuit Diagram(part one) .................................................................. 6-2
Circuit Diagram(part two) ................................................................... 6-3
PCB Layout Top View ....................................................................... 6-4
PCB Layout Bottom View .................................................................. 6-5
INTERNAL IC DIAGRAM - MT1389FEX/SN
INTERNAL IC DIAGRAM - A641604L
CLK
CKE
Address
Clock
Generalor
Mode
Regisier
Co
mmand
Decoder
Con
trol
Logic
Row
Address
Buffer
&
Refresh
Counter
Column
Address
Buffer
&
Refresh
Counter
Sense Amplifier
Column Decoder
Bank A
Bank B
Bank C
Bank D
Data Control Circuit
La
tch
Circ
u
it
In
p
u
t
&
O
u
tp
u
t
Buff
er
L(U)DQM
DQ
CS
RAS
CAS
WE
Ro
w
Decoder
DVD
PUH
Module
FLASH
Front-panel
Remote
DRAM
USB2.0/3 in 1 card
reader
MT1389S
HDMI1.2Tx
RGB video
CVBS
8ch Audio
SPDIF
DVB-T