
IC Descriptions
6-19
Samsung Electronics
6-9 CMOS DRAM
KM416C254DJ
BIC3, BIC4, BIC5, BIC6, BIC7
N A M E
A 0 - A 8
D Q 0 - 1 5
V S S
R A S
U C A S
L C A S
W
O E
V
C C
N.C
BLOCK DIAGRAM
Control
Clocks
VBB Generator
Lower
Data in
Buffer
DQ0
to
DQ7
OE
DQ8
to
DQ15
Lower
Data out
Buffer
Upper
Data in
Buffer
Upper
Data out
Buffer
Vcc
Vss
RAS
UCAS
LCAS
W
F U N C T I O N
Address Inputs
Data in/Out
Ground
Row Address Strobe
Upper Column Address Strobe
Lower Column Address Strobe
Read/Write Input
Data Output Enable
Power (+5V)
Power (+3.3V)
No Connection
PIN ASSIGNMENT
Refresh Timer
Refresh Control
AO
.
.
A8
Refresh Counter
Row Address Buffer
Col. Address Buffer
Row Decoder
Column Decoder
Memory Array
262,144 x 16
Cells
Содержание DVD-907
Страница 11: ...Precautions 2 4 Samsung Electronics MEMO ...
Страница 53: ...Disassembly and Reassembly 5 6 Samsung Electronics 5 1 2 PCB Locations Fig 5 6 PCB MAIN PCB SMPS PCB FRONT ...
Страница 60: ...Disassembly and Reassembly Samsung Electronics 5 13 PCB MAIN PCB SMPS PCB FRONT Fig 5 13 5 2 2 PCB Locations ...
Страница 67: ...Disassembly and Reassembly 5 20 Samsung Electronics MEMO ...
Страница 83: ...Circuit Descriptions 7 30 Samsung Electronics MEMO ...
Страница 114: ...Samsung Electronics 10 1 10 Packing Diagram ...
Страница 115: ...Samsung Electronics 10 2 Packing Diagram MEMO ...
Страница 118: ...13 2 Samsung Electronics 13 1 MAIN PLAY B D SILK COMP 13 1 1 COMPONENT SIDE ...
Страница 119: ...13 3 Samsung Electronics 13 1 2 SOLDER SIDE PLAY B D SILK SOLD PCB Diagrams ...
Страница 120: ...13 4 Samsung Electronics 13 2 FRONT DVD 907 ...
Страница 121: ...13 5 Samsung Electronics 13 3 FRONT DVD 927 ...
Страница 122: ...13 6 Samsung Electronics 13 4 SMPS ...
Страница 123: ...13 7 Samsung Electronics 13 5 DECK ...
Страница 124: ...13 10 Samsung Electronics 13 7 SCART JACK ...
Страница 125: ...14 1 Samsung Electronics 14 Wiring Diagram ...
Страница 127: ...15 2 Samsung Electronics 15 1 1 MICOM 15 1 MAIN Rev 1 ...
Страница 128: ...15 3 Samsung Electronics Schematic Diagrams 15 1 2 SERVO ...
Страница 129: ...15 4 Samsung Electronics Schematic Diagrams 15 1 3 DATA PROCESSOR ...
Страница 130: ...15 5 Samsung Electronics Schematic Diagrams 15 1 4 A V DECODER ...
Страница 131: ...15 6 Samsung Electronics Schematic Diagrams 15 1 5 AUDIO ...
Страница 132: ...15 7 Samsung Electronics Schematic Diagrams 15 1 6 VIDEO ...
Страница 133: ...15 8 Samsung Electronics Schematic Diagrams 15 1 7 CONNECTOR ...
Страница 134: ...15 9 Samsung Electronics 15 2 1 DVD 907 15 2 FRONT ...
Страница 135: ...15 10 Samsung Electronics Schematic Diagrams 15 2 2 DVD 927 ...
Страница 136: ...15 11 Samsung Electronics 15 3 SMPS ...
Страница 137: ...15 12 Samsung Electronics 15 4 PICK UP DECK ...
Страница 138: ...15 13 Samsung Electronics 15 5 MAIN Rev 2 15 5 1 MICOM ...
Страница 139: ...15 14 Samsung Electronics Schematic Diagrams 15 5 2 SERVO ...
Страница 140: ...15 15 Samsung Electronics Schematic Diagrams 15 5 3 DATA PROCESSOR ...
Страница 141: ...15 16 Samsung Electronics Schematic Diagrams 15 5 4 A V DECODER ...
Страница 142: ...15 17 Samsung Electronics Schematic Diagrams 15 5 5 AUDIO ...
Страница 143: ...15 18 Samsung Electronics Schematic Diagrams 15 5 6 VIDEO ...
Страница 144: ...15 19 Samsung Electronics Schematic Diagrams 15 5 7 CONNCTOR ...
Страница 145: ...15 20 Samsung Electronics 15 6 SCART JACK ...
Страница 146: ...ELECTRONICS Samsung Electronics Co Ltd May 1998 Printed in Korea AH68 20198A ...