Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Audio HT-DL200 SAMSUNG_HT-DL200
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DVD RECEIVER AMP
HT-DL200
SERVICE Manual
DVD RECEIVER AMP SYSTEM CONTENTS
1. Alignment and Adjustments
2. Exploded Views and Parts List
3. Electrical Parts List
4. Block Diagrams
5. PCB Diagrams
6. Wiring Diagram
7. Schematic Diagrams
Volume
VIDEO
Function
8. IC block Diagrams
Phones
9. Troubleshooting
8. IC Block Digrams
8-1 Main
1. 74CX244
LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE)
WITH 5V TOLERANT INPUTS AND OUTPUTS
s 5V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED:
tPD = 6.5 ns (MAX.) at VCC = 3V
s POWER-DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE: M T
|IOH| = IOL = 24 mA (MIN) (Micro Package) (TSSOP Package)
s PCI BUS LEVELS GUARANTEED AT 24mA ORDER CODES :
s BALANCED PROPAGATION DELAYS: 74LCX244M 74LCX244T
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2.0V to 3.6V (1.5V Data Retention)
inputs and outputs.
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244 It has same speed performance at 3.3V than 5V
s LATCH-UP PERFORMANCE EXCEEDS 500mA AC/ACT family, combined with a lower power
s ESD PERFORMANCE: consumption.
HBM >2000V; MM > 200V This device is designed to be used with 3 state
memory address drivers, etc.
DESCRIPTION All inputs and outputs are equipped with
The LCX244 is a low voltage CMOS OCTAL BUS protection circuits against static discharge, giving
BUFFER (NON-INVERTED) fabricated with them 2KV ESD immunity and transient excess
sub-micron silicon gate and double-layer metal voltage.
wiring C2MOS technology. It is ideal for low
power and high speed 3.3V applications; it can
be interfaced to 5V signal environment for both
PIN CONNECTION AND IEC LOGIC SYMBOLS
Samsung Electronics 8-1
2. 74VHC244
74VHC244
Octal Buffer/Line Driver with 3-STATE Outputs
General Description cuit prevents device destruction due to mismatched supply
and input voltages.
The VHC244 is an advanced high speed CMOS octal bus
buffer fabricated with silicon gate CMOS technology. It
achieves high speed operation similar to equivalent Bipolar
Features
Schottky TTL while maintaining the CMOS low power dissi- s High Speed: tPD = 3.9ns (typ) at VCC = 5V
pation. The VHC244 is a non-inverting 3-STATE buffer hav- s High noise immunity: VNIH = VNIL = 28% VCC (min)
ing two active-LOW output enables. These devices are
designed to be used as 3-STATE memory address drivers, s Power down protection is provided on all inputs
clock drivers, and bus oriented transmitter/receivers. s Low noise: VOLP = 0.6V (typ)
An input protection circuit ensures that 0V to 7V can be s Low power dissipation: ICC = 4 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo