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
Содержание HTS5540/98
Страница 4: ...2 2 2 2 REPAIR INSTRUCTIONS One ...
Страница 5: ...2 3 2 3 REPAIR INSTRUCTIONS Two ...
Страница 6: ...2 4 2 4 REPAIR INSTRUCTIONS Three ...
Страница 7: ...4 1 4 1 BLOCK DIAGRAM ...
Страница 8: ...4 2 4 2 WIRING DIAGRAM POWER PCB MAIN PCB AMP PCB TOUCH PCB VFD PCB VOL USB MP3 JACK PCB V1 V2 V3 ...
Страница 24: ...10 1 10 1 TOUCH BOARD TABLE OF CONTENTS Circuit Diagram 10 2 PCB Layout Top View Bottom View 10 3 ...
Страница 26: ...11 1 11 1 JACK BOARD TABLE OF CONTENTS Circuit Diagram 11 2 PCB Layout Top View Bottom View 11 3 ...
Страница 27: ...11 2 11 2 CIRCUIT DIAGRAM 1 2 1 2 A B A B CN103 A1 JK102 A2 Q104 A2 Q105 A2 Q106 A2 Q107 B2 Q108 B2 ...