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COLOR MONITOR
DP14LS
DP14LT
DP15LS
DP15LT
SERVICE Manual
COLOR MONITOR CONTENTS
1. Precautions
2. Product Specifications
3. Operating Instructions
4. Disassembly & Reassembly
5. Alignment & Adjustments
6. Troubleshooting
7. Exploded View & Parts List
8. Electrical Parts List
9. Block Diagram
10. Wiring Diagram
11 Schematic Diagrams
Samsung Electronics Co., Ltd. April 1999
Printed in Korea
Code No.: BH68-00128A
1 Precautions
1-1 Safety Precautions
WARNINGS 2. Inspect all protective devices such as nonmetallic
1. For continued safety, do not attempt to modify the control knobs, insulating materials, cabinet backs,
circuit board. adjustment and compartment covers or shields,
2. Disconnect the AC power before servicing. isolation resistor-capacitor networks, mechanical
insulators, etc.
3. When the chassis is operating, semiconductor
heatsinks are potential shock hazards. 3. Leakage Current Hot Check (Figure 1-1):
WARNING: Do not use an isolation transformer during
1-1-1 Servicing the High Voltage VR this test.
and CRT : Use a leakage current tester or a metering system
that complies with American National Standards
WARNING:Damaged IC202 may cause excessive
Institute (ANSI C101.1, Leakage Current for
x-ray emissions.
Appliances), and Underwriters Laboratories (UL
1. When servicing the high voltage system, remove Publication UL1410, 59.7).
the static charge by connecting a 10 kohm resistor
4. With the unit completely reassembled, plug the AC
in series with an insulated wire (such as a test
line cord directly into a 120V AC outlet. With the
probe) between the chassis and the anode lead.
unit