Philips FPF42C128135UA-52 technical specifications Fault Fault status Contents

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EN 24

 

5.

 

FHP PDP

Service Modes, Error Codes, and Fault Finding

NO

Fault

 

Fault status

 

contents

 

 

 

 

 

 

 

 

 

 

1

Entire screen

 

After momentarily going on, the

 

does not

 

screen becomes black

 

 

 

light.

 

immediately or after a few

 

 

 

 

 

seconds (main power is turned

 

 

 

 

 

off.)

 

 

 

 

 

 

 

Suspected

Analysis procedure

fault location

and measure

 

 

X-SUS

Refer to

Y-SUS

“Entire screen

PSU

does not light”

Panel chassis

 

LOGIC

 

ABUSL

 

ABUSR

 

2Screen lights dimly even on the back screen.

3

Vertical line

Single vertical line (of different

 

 

color)

4Vertical line from the middle of effective scan area (vertical line of different color)

5

Vertical bar

Bar width of 1/7 of horizontal size

 

 

or in multiples of 1/7, is displayed.

 

 

Abnormal display

LOGIC

Replace the LOGIC

 

board, following the

 

“Logic Board

 

Exchange” procedure

Panel chassis

Refer to

LOGIC

“Vertical line/bar”

Panel chassis

Replace panel

 

chassis

Panel chassis

Refer to

ABUS-L

“Vertical line/bar”

ABUS-R

 

LOGIC

 

Above boards

 

are connected.

 

6

7Horizontal line

8

Bar width of 3/7 or 4/7 of the

 

 

 

 

 

ABUS-L

 

 

 

screen width, is displayed.

 

 

 

 

 

ABUS-R

 

 

 

 

 

 

 

 

 

 

 

Abnormal display (vertical line of

 

 

 

 

 

LOGIC

 

 

 

different color)

 

 

 

 

 

Above boards

 

 

 

 

 

 

 

 

 

are connected.

 

 

 

 

 

 

 

 

 

 

 

 

Single horizontal line (no light) or

 

 

 

 

 

Panel chassis

 

Replace panel

 

 

 

 

 

 

 

 

single horizontal line does not

 

 

 

 

 

X-SUS

 

chassis

 

 

 

 

 

 

 

light among the effective scanning

 

 

 

 

 

Y-SUS

 

 

 

area.

 

 

 

 

 

ABUS-L

 

 

 

Single horizontal line does not

 

 

 

 

 

ABUS-R

 

 

 

light.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Every other line (no light) in entire

 

 

 

 

 

X-SUS

 

Replace

 

 

 

 

 

 

 

 

screen

 

 

 

 

 

Y-SUS

 

X-SUS, Y-SUS

 

 

 

 

 

 

 

ABUS-L

 

 

 

 

 

 

 

 

 

ABUS-R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G_16400_023.eps 280706

Figure 5-15 Fault symptom overview (1/2)

Image 24
Contents Contents Colour Television ModuleTechnical Specifications SpecificationsSerial Numbers Index of this chapterConnector positions PWB locationsSome connector layouts Lvds connector CN1 Logic BoardSafety Instructions, Warnings, and Notes Safety InstructionsDirections for Use Mechanical InstructionsBoard Swap Instructions GeneralSUS Circuit Board Radiation plate positionMechanical Instructions ABUS-L Circuit Board ABUS-R Circuit BoardLogic Board PSU BoardService Modes, Error Codes, and Fault Finding Error codesHow to Connect the ComPair Tool Repair ToolsProcess Flow Advanced PDP Exchange Actual Way-of-WorkingCustomized Repair Repair Instructions 2 42 A4 ALiS Plasma Display PanelRemark Fault Finding Flowcharts Problem analysis procedure PDP repair / board swapProblem Analysis Procedure The entire screen does not light Short-circuit check on Boards and Power Supply Lines ABUS-L board CN52 pins 1 3 or CN52 pins 4 Are shorted? Case of Logic Board replacement ProcedureFollow the Logic Board Exchange Vertical line/Vertical bar problem analysis procedure Replace the defective parts G16400032.eps Horizontal bar problem analysis procedure Logic Board Exchange Logic Board Exchange Fault Fault status Contents #$% Philips Block Diagrams, Test point Overview, and Wave Forms Block DiagramsPower block diagram Test Points Wave FormsCircuit Diagrams and PWB Layouts Voltage Setting ProcedureAlignments Circuit Descriptions and Abbreviation List Board Function DescriptionSpecifications 42A1 42A2 42A3 42A4 Differences between the Versions A1, A2, A3, and A4Layouts SUS Spare Parts List List of abbreviationsRevision List Overview of chassis and manuals, covered by This manual