Samsung Electronics
1-3
1-3 Precautions for Electrostatically Sensitive Devices (ESDs)
1-4 Special Precautions and Warning Labels for Laser Products
1. Some semiconductor ("solid state") devices
are easily damaged by static electricity.
Such components are called Electrostatically
Sensitive Devices (ESDs). Examples include
integrated circuits and some field-effect
transistors. The following techniques will
reduce the occurrence of component
damage caused by static electricity.
2. Immediately before handling any
semiconductor components or assemblies,
drain the electrostatic charge from your
body by touching a known earth ground.
Alternatively, wear a discharging
wrist-strap device. (Be sure to remove it
prior to applying power--this is an electric
shock precaution.)
3. After removing an ESD-equipped assembly,
place it on a conductive surface such as
aluminum foil to prevent accumulation of
electrostatic charge.
4. Do not use freon-propelled chemicals.
These can generate electrical charges that
damage ESDs.
5. Use only a grounded-tip soldering iron
when soldering or unsoldering ESDs.
6. Use only an anti-static solder removal
device. Many solder removal devices are
not rated as "anti-static" (these can
accumulate sufficient electrical charge to
damage ESDs).
7. Do not remove a replacement ESD from its
protective package until you are ready to
install it. Most replacement ESDs are
packaged with leads that are electrically
shorted together by conductive foam,
aluminum foil or other conductive
materials.
8. Immediately before removing the protective
material from the leads of a replacement
ESD, touch the protective material to the
chassis or circuit assembly into which the
device will be installed.
9. Minimize body motions when handing
unpackaged replacement ESDs. Motions
such as brushing clothes together, or lifting
a foot from a carpeted floor can generate
enough static electricity to damage an ESD.
Precautions
UL : Manufactured for U.S.A. Market.
CSA : Manufactured for Canadian Market.
EU
: Manufactured for European Market.
SCAN : Manufactured for Scandinavian
Market.
This Product Complies with
DHHS Rules 21CFR, Sub
chapter J.At date of Manu-
facture
(UL)
(UL,CSA,SCAN)
(EU)
CERTIFIED ONLY TO CANADIAN
ELECTRICAL CODE.
CERTIFIE EN VERTU DU CODE
CANADIAN DE LELETRICITE
SEULEMENT
(CSA)
CLASS 1
LASER PRODUCT
(UL,CSA,EU)
Fig. 1-3 Warning Labels (Location: Enclosure Block)
Fig. 1-4 Warning Labels (Location: Disc Clamper, Inner Side of Unit Door or Nearby Unit Chassis )
CAUTION :
INVISIBLE LASER RADIATION WHEN OPEN
AND INTERLOCKS DEFEATEO AVOIDEXPOSURE TO BEAM
ADVARSEL:
USYNLIG LASERSTRÅLING VED ABNING
NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION
UNDGA UDSAETTELSE FOR STRALING
VARO:
AVATTAESSA JA SUOJALUKITUS OHITETTAESSA
OLET ALTTINA NAKYMATTÖMALLE LASERSATEILYLLE ALA
KATSO SATEESEEN!
VARNING:
OSYNLIG LASERSTRÅLNING NAR DENNA DEL
AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA
EJSTRÅLEN!
Summary of Contents for HT-X250
Page 2: ... Samsung Electronics Co Ltd JAN 2007 Printed in Korea Code no AH68 000000 ELECTRONICS ...
Page 20: ...5 4 Samsung Electronics D Separate MAIN SET ...
Page 22: ...6 1 Samsung Electronics 6 TroubleShooting 1 Main ...
Page 23: ...Samsung Electronics 6 2 2 Output ...
Page 24: ...6 3 Samsung Electronics 3 1 In case of Power Protection ...
Page 25: ...Samsung Electronics 6 4 3 2 SMPS Ass y Power check ...
Page 26: ...6 5 Samsung Electronics 3 3 AMP Pre Inspection relating to Power Protection ...
Page 27: ...Samsung Electronics 6 6 4 FAN Error Check ...
Page 28: ...6 7 Samsung Electronics 5 FAN CHECK Error ...
Page 29: ...Samsung Electronics 6 8 6 1 Communication Failure ...
Page 30: ...6 9 Samsung Electronics 6 2 Voltage Failure ...
Page 31: ...Samsung Electronics 6 10 ...
Page 32: ...6 11 Samsung Electronics 6 3 Communication Failure ...
Page 33: ...Samsung Electronics 6 12 7 Checking out AMP PCB ...
Page 34: ...6 13 Samsung Electronics 8 AMP PCB Short Check flow ...
Page 47: ...9 1 Samsung Electronics 9 Block Diagram 1 Block ...
Page 48: ...Samsung Electronics 10 1 10 Wiring Diagram 1 Wire Sheet ...
Page 49: ...10 2 Samsung Electronics 2 GND ...
Page 50: ...Samsung Electronics 10 3 3 VDD ...
Page 51: ...10 4 Samsung Electronics 4 SMPS ...
Page 52: ...11 1 Samsung Electronics 11 PCB Diagram 1 MAIN PCB ...
Page 53: ...Samsung Electronics 11 2 2 MAIN PCB Description ...
Page 54: ...11 3 Samsung Electronics 2 MAIN PCB Description ...
Page 55: ...Samsung Electronics 11 4 3 SMPS PCB ...
Page 64: ...Samsung Electronics 12 9 This Document can not be used without Samsung s authorization 2 KEY ...
Page 66: ...13 1 Samsung Electronics 13 Circuit Board Description 1 PCB Assy Layout 1 HT X250 X200 ...
Page 67: ...Samsung Electronics 13 2 2 Functional Description SMPS Main Front ...
Page 68: ...13 3 Samsung Electronics 3 Functional Description Amp HDMI Video ...
Page 69: ...Samsung Electronics 13 4 4 1 MAIN PCB Block 4 2 MAIN PCB Connectors ...
Page 70: ...13 5 Samsung Electronics 5 MAIN PCB HDMI VIDEO OUT ...
Page 71: ...Samsung Electronics 13 6 6 1 SUB PCB Block 6 2 SUB PCB Connectors ...
Page 72: ...13 7 Samsung Electronics 7 AMP PCB Block ...
