Service Manuals, User Guides, Schematic Diagrams or docs for : Olevia Olevia_LT27HV_LT30HV_[SM]

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Olevia_LT27HV_LT30HV_[SM]


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Service Manual
For LCD TV
   (2004.2)
                                   Table of Contents
1     Introduction................................................................... P3
1.0   Preface....................................................................................... P3
1.1   Caution....................................................................................... P3
1.2   Warning..................................................................................... P3
2     System Block Diagram..................................................... P5
2.0 System Block Diagram (ME)............................................................ P5
2.1 System Block Diagram (EE)............................................................ P6
2.2 Connector Connection Diagram....................................................... P7
2.3 Spare Parts List........................................................................... P8
2.3.1 EE parts list................................................................................. P8
2.3.2 ME parts list................................................................................ P14
2.4 Connector Pin Definition................................................................ P24
3     Schematic...................................................................... P40
3.0 Tuner Board................................................................................ P40
3.1 Graph Port Tuner......................................................................... P41
3.2 Interface Board............................................................................. P42
3.3 IR Board..................................................................................... P43
3.4 Keypad Board.............................................................................. P44
3.5 System Board-1 Graph Interface...................................................... P45
3.6 System Board-2 Power Management................................................. P46
3.7 System Board-3 PW181 Power Management........................................ P47
3.8 System Board-4 DVI Receiver.......................................................... P48
3.9 System Board-5 ADC..................................................................... P49
3.10 System Board-6 A/V Switch............................................................. P50
3.11 System Board-7 3D Comb Filter........................................................ P51
3.12 System Board-8 Video Decoder (V Port).............................................. P52
3.13 System Board-9 Video Decoder (G Port).............................................. P53
3.14 System Board-10 Deinterlace............................................................ P54
3.15 System Board-11 SDRAM................................................................ P55
3.16 System Board-12 Image Processor..................................................... P56
3.17 System Board-13 Flash Memory........................................................ P57
3.18 System Board-14 Miscellaneous......................................................... P58
3.19 System Board-15 LVDS................................................................... P59
3.20 System Board-16 Audio DSP............................................................. P60
3.21 System Board-17 Class D Audio PA.................................................... P61

                                                 1
4     TroubleShooting............................................................. P62
5     Firmware upgrade applications.......................................... P68
6     Standard Operation Procedure.......................................... P69
6.0 Module assembly process...............................................................           P69
6.1 Module repair process...................................................................         P72
6.1.1 Tuner & Interface module...............................................................        P72
6.1.2 Stand module...............................................................................    P73
6.1.3 Back Cover & Speaker module..........................................................          P74
6.1.4 PCBA module...............................................................................     P75
6.1.5 Power module...............................................................................    P76
6.1.6 LCD module..................................................................................   P77




                                                2
1. Introduction
1.0 Preface
   This service manual aims directly at the module of LCD TV. It offers the simple
   repair which emphasizes on technique explanation and production troubles to
   remove for the engineers and technicians who have electronic background.

1.1 Caution
   Be sure to read those manual before servicing. To assure safety from fire, electric
   shock, injury, harmful radiation and materials, various measures are provided in
   this Prokia LCD TV. Be sure to read cautionary items described in the manual to
   maintain safety before servicing.

1.2 Warning
    1. Remember to unplug the AC cord from the AC outlet before cleaning the
         product. And do not use liquid cleaners or aerosol cleaners to clean the
         display.
    2.   Do not place the product on an unstable place. It can cause the product to fall,
         resulting in serious personal injuries as well as damage to the product.
    3.   In case the product needs replacement parts, make sure that the service
         person uses replacement parts specified by the manufacturer, or those with
         the same characteristics and performance as the original parts. Use of
         unauthorized parts can result in fire, electric shock and/or other danger.
    4.   Do not overload AC outlets or extension cords. It can cause fire or electric
         shock.
    5.   The AC cords must be routed properly to prevent people from stepping on
         them or objects from resting on them. Check the cords at the plugs and
         product.
    6.   Do not hit the panel. Be careful to prevent from getting hurt by broken glass
         pieces in case the panel breaks.
    7.   Keep the product away from heat sources such as radiators, heaters, stoves
         and other heat-generating products.
    8.   Do not place the display near water. Like bathtub, washbasin, kitchen sink
         and laundry tub, swimming pool and in a wet basement.




                                            3
2. System Block Diagram
2.0 System Block Diagram (ME)




                                5
2.1 System Block Diagram (EE)




                                6
2.2 Connector Connection Diagram




                                   7
2.3 Spare Parts List
2.3.1 EE parts list
1. System Board for 27inch & 30inch




P/N: P061P3112011 for 27



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