File name SAMSUNG LE26R73 Ch.GLY26.pdfTFT-LCD TV
Chassis GLY26KE
GLY32KE
GLY37KE
GLY40KE
Model LE26R73BD/LE26R74BD
LE32R73BD/LE32R74BD
LE37R74BD
LE40R73BD/LE40R74BD
SERVICE Manual
TFT-LCD TV Fashion Feature
- Luxurious Slim Design
- Supreme Picture Quality
- Supreme Sound Quality
- Supreme Convenience Quality
- Convenience for Users
- DVB-T, iDTV
- MHP (Only for R62F)
1 Precautions
1 Precautions
Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock.
1-1 Safety Precautions
1-1-1 Warnings
1. For continued safety, do not attempt to modify the
circuit board.
2. Disconnect the AC power and DC Power Jack before
servicing.
1-1-2 Servicing the LCD Monitor
1. When servicing the LCD Monitor Disconnect the AC
line cord from the AC outlet.
2. It is essential that service technicians have an accurate
voltage meter available at all times. Check the
calibration of this meter periodically.
1-1-3 Fire and Shock Hazard
Before returning the monitor to the user, perform the Figure 1-1. Leakage Current Test Circuit
following safety checks:
1. Inspect each lead dress to make certain that the leads
are not pinched or that hardware is not lodged between
1-1-4 Product Safety Notices
the chassis and other metal parts in the monitor. Some electrical and mechanical parts have special
2. Inspect all protective devices such as nonmetallic safety-related characteristics which are often not evident
control knobs, insulating materials, cabinet backs, from visual inspection. The protection they give may not
adjustment and compartment covers or shields, be obtained by replacing them with components rated for
isolation resistor-capacitor networks, mechanical higher voltage, wattage, etc. Parts that have special safety
insulators, etc. characteristics are identified by on schematics and parts
lists. A substitute replacement that does not have the same
3. Leakage Current Hot Check (Figure 1-1): safety characteristics as the recommended replacement part
WARNING: Do not use an isolation might create shock, fire and/or other hazards. Produc |