Hisense Lcd42p69p Service Manual

 
 
 
 
 
LCD Television 
Service Manual 
 
 
Chassis： MTK8222 
Product Type：
LCD42P69P、LCD47P69P 
                
 
 
Ver 1.0 
 
 
Hisense Electric Co.，Ltd. 
March，2009
 
 
 
 
 
 
 
 
 

 
 
 - 2 -
LCD TV Service Manual                         
Hisense Confidential 
Contents 
Contents.......................................................................................................................................................................- 2 - 
Service Manual...........................................................................................................................................................- 3 - 
1. Precautions and...

 
 
 - 3 -
LCD TV Service Manual                         
Hisense Confidential 
Service Manual 
1. Precautions and notices 
BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN 
THIS MANUAL.    
WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE 
REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER. 
 
Proper service and repair is important to the safe, reliable operation of all Hisense 
Electric Co., Ltd Equipment. The service procedures recommended by Hisense and 
described in this Service Guide are...

 
 
 - 4 -
LCD TV Service Manual                         
Hisense Confidential  which are not recommended by Hisense, must first satisfy himself thoroughly that 
neither his safety nor the safe of the equipment will be jeopardized by the service 
method selected. 
Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as 
Hisense. 
1.1 Warning 
1.1.1 
Critical components having special safety characteristics are identified with a 
 by the 
Ref. No. in the parts list. Use of...

 
 
 - 5 -
LCD TV Service Manual                         
Hisense Confidential  that you are connected with the same potential as the mass of the set by a wristband with 
resistance. Keep components and tools also at this same potential. 
1. Never replace modules or other components while the unit is switched on. 
2. When making settings, use plastic rather than metal tools. This will prevent any 
short circuits and the danger of a circuit becoming unstable.   
1.1.3  
To prevent electrical shock, do not...

 
 
 - 6 -
LCD TV Service Manual                         
Hisense Confidential  touch EMI ground part and Heat Sink of Film Filter. 
(2) Do not supply a voltage higher than that specified to this product. This may damage 
the product and may cause a fire. 
(3) Do not use this product in locations where the humidity is extremely high, where it 
may be splashed with water, or where flammable materials surround it. Do not install 
or use the product in a location that does no satisfy the specified...

 
 
 - 7 -
LCD TV Service Manual                         
Hisense Confidential  otherwise, this can lead to fire or electric shock. 
(10) If the power connector or the connector of the power cable becomes dirty or dusty, 
wipe it with a dry cloth. Otherwise, this can lead to fire. 
(11) Use only with the cart, stand, tripod, bracket, or table specified by the 
manufacturer, or sold with the apparatus. When a cart is used, use caution when 
moving the cart/apparatus combination to avoid injury from...

 
 
 - 8 -
LCD TV Service Manual                         
Hisense Confidential  equipment and the high voltage power supply block, it can result in electric shock or 
activation of the leakage-detection circuit breaker. 
• When installing the LCD module in, and removing it from the packing carton, be sure 
to have at least two persons perform the work. 
• When the surface of the panel comes into contact with the cushioning materials, be 
sure to confirm that there is no foreign matter on top of the...

 
 
 - 9 -
LCD TV Service Manual                         
Hisense Confidential 
that they are not damaged and their materials do not deteriorate over long periods of time. 
Therefore, route the cables and fix the cables to the original position and states using the 
wire clamps. 
• Perform a safety check when servicing is completed. Verify that the peripherals of the 
serviced points have not undergone any deterioration during servicing. Also verify that 
the screws, parts and cables removed for...

 
 
 - 10 -
LCD TV Service Manual                         
Hisense Confidential 
2. Product Function Specifications 
2.1 Product Function 
Front Cabinet