Service Manual
Model No.: HL40XP1
3
Chapter 1: General Information
1-1. Document Information
Document format: Adobe PDF
Author: Zhou Peng
Compiler: Bao Qinghong
1-2. General Guidelines
When servicing, observe the original lead dress. If a short circuit is found, replace all parts which
have been overheated or damaged by the short circuit.
After servicing, see to it that all the protective devices such as insulation barriers, insulation papers
shields are properly installed.
After servicing, make the following leakage current checks to prevent the customer from being
exposed to shock hazards.
1) Leakage Current Cold Check
2) Leakage Current Hot Check
3) Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive
1-3. Important Notice
1-3-1. Follow the regulations and warnings
Most important thing is to list up the potential hazard or risk for the service personnel to open
the units and disassemble the units. For example, we need to describe properly how to avoid the
possibility to get electrical shock from the live power supply or charged electrical parts (even the
power is off).
This symbol indicates that high voltage is present inside.It is dangerous to make any
king of contact with any inside part of this product.
This symbol indicates that there are important operating and maintenance instructions
in the literture accompanying the appliance.
1-3-2. Be careful to the electrical shock
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or excessive moisture. This TV must not be exposed to dripping or splashing water, and objects
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1-3-3. Electro static discharge (ESD)
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such
Summary of Contents for HL40XP1
Page 10: ...Service Manual Model No HL40XP1 9 2 2 External pictures four faces Front Side Left Side ...
Page 11: ...Service Manual Model No HL40XP1 10 Right Side Back Side ...
Page 18: ...4 4 1 Function Description Display the signal Service Manual Model No HL40XP1 17 ...
Page 19: ...Service Manual Model No HL40XP1 18 ...
Page 49: ...8 2 2 Auto Color Service Manual Model No HL40XP1 48 ...
Page 50: ...8 2 3 Whinte Balance Color Temp 8 2 4 Picture Mode Service Manual Model No HL40XP1 49 ...
Page 52: ...8 2 7 Aging Mode 8 2 8 Power On Mode Service Manual Model No HL40XP1 51 ...
Page 53: ...8 2 9 Camma Table 8 2 10 Reste to default Service Manual Model No HL40XP1 52 ...
Page 54: ...8 2 11 Reset all setting to default Service Manual Model No HL40XP1 53 ...
Page 56: ...9 2 Power Supply Board Failure Check Service Manual Model No HL40XP1 55 ...