Alignment and Adjustments
4-14
Samsung Electronics
3. IC (INTEGRATED CIRCUIT)
IC has built in DIODE against overvoltage in PIN. Generally, except for internal circuit defects, IC defects
can be found, by measuring the DIODE.
✴
Defects have SHORT(0 ohm) for both forward and reverse direction.
Hundreds of ohms
Forward Direction
Reverse Direction
Varying depending on IC but generally normal
Infinity in DIODE TEST MODE
Summary of Contents for PS42P2SBX/XEC
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd Nov 2002 Printed in Korea AA82 00157A...
Page 19: ...Circuit Operation Description Samsung Electronics 5 3 5 1 2 D PDP PS 42 BLOCK DIAGRAM...
Page 32: ...Circuit Operation Description 5 16 Samsung Electronics 5 2 3 D DRIVER CIRCUIT DIAGRAM...
Page 33: ...Circuit Operation Description Samsung Electronics 5 17 5 2 3 E DRIVER BOARD CONNECTOR LAYOUT...
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Page 63: ...Circuit Operation Description Samsung Electronics 5 47 Figure 5 42 Single logic buffer...
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Page 72: ...5 56 Samsung Electronics MEMO...
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Page 164: ...3 2 Samsung Electronics MENO...
Page 170: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 Y Pb Pr Buffer Switching...
Page 173: ...Samsung Electronics Schematic Diagrams 12 7 12 7 Analog to Digital Converter...
Page 174: ...Schematic Diagrams 12 8 Samsung Electronics 12 8 DVI Input Block...
Page 180: ...Schematic Diagrams 12 14 Samsung Electronics 12 15 Sound AMP Module...