Product Safety Servicing Guidelines; Precautions And Notices; Product Safety Notice - Hisense PHD42W39US Service Manual

PDP TV Service Manual

1.Product Safety Servicing Guidelines

1.1. Precautions and notices

BEFORE SERVICING THE CHASSIS, READ THE "SAFETY PRECAUTION" ON THIS
MANUAL.
WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT
PARTS SPECIFIED BY THE MANUFACTURER.
WARNING:
Service should not be attempted by anyone unfamiliar with the necessary precaution on
this receiver. The following are the necessary precautions to be observed before servicing
this chassis.
1. When replacing a chassis in the cabinet, always be certain that all the protective devices
are put back in place, such as: non-metallic control knobs, insulating covers, shields,
isolation resistor-capacitor network etc.
2. When replacing parts or circuit boards, disconnect the power cord.
3. When replacing a high wattage resistor (oxide metal film resistor) on the circuit board,
keep the resistor 10mm (1/2in) away from circuit board.
4. Connection wires must be kept away from components with high voltage or high
temperature.
5. If any fuse in this TV receiver is blown, replace it with the FUSE specified in the chassis
parts list.

1.2.Product Safety notice

Many electrical and mechanical parts in the chassis have special safety-related
characteristics.
These characteristics are often passed unnoticed by a visual inspection.
Replacement parts, which have these special safety characteristic are identified in this
manual and its supplement electrical components having such features are shaded on the
schematic diagram and the parts list.
Before replacing any of these components, read the parts list in this manual carefully. The
use of substitute replacement parts, which do not have the same characteristic as specified
in the parts list may create shock, fire or other hazards.
NOTES：
Hisense Confidential
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