NEC MultiSync 75F-3 Service Manual
Text of the manual
NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS
PRODUCT SAFETY CAUTION
1. When parts replacement is required for servicing, always use the manufacturer’s specified
replacement.
2. Comply with all caution and safety-related notes on the product display chassis and picture tube.
3. When replacing the component, always be certain that all the components are put back in the
place.
4. When servicing display
PRECAUTIONS ...................................................................................................................... 1
SPECIFICATIONS .................................................................................................................. 3
PIN ADJUSTMENT TABLE ......................................................
Follow these safety and servicing precautions to prevent damage and to protect against potential hazards
such as electrical shock and X-rays.
1.1 Safety Precautions
1-1-1 Warnings
1. For safety purpose, do not attempt to modify the circuit board, and always disconnect the AC power
before performing servicing on the monitor.
2. Operation of the mo
1500 ohm 10 watt
To exposed metal
Cabinet part
To known
Earth ground
Figure 1-1. Set Up For AC Leakage Current Check
c) Reverse the AC plug at the AC outlet and repeat the steps for AC voltage measurements for each
exposed metal part.
d) Voltage reading must not exceed 0.3 volts RMS, equivalent to 0.2 milliampere AC. Any value ex-
ceeding this limits
