Panasonic Viera TH-42PX75U, Technical Manual

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<Diagnosis (1)>
Diagnosis for Picture Problem (All Over the Screen)
<Back side view>
SU
SD
SC SS
Buffer IC Buffer IC
Video DATA (R)
Video DATA (L)
IC9900
DATA
DRIVER
IC9500
D
LVDS
A
MICRO
PROCESSOR
IC4510
Peaks
Lite
IC1100
HDMI I/F
PICTURE
OUTPUT
IC8001
S.F. PROCESSOR
PLASMA AI
DISCHARGE
CONTROL
LVDS
RECEIVER
D5 A5
Sustain Control Pulse
Scan Control Pulse
Test Pattern
White Picture
A ( and possibly D) Board defect
Test Pattern
OK
or White Picture
displayed
D, SC,SU,SD Board defect
Test Pattern
NG
or White Picture
not displayed
From D Board to Panel Drive Circuit Up to D Board
Refer to “Diagnosis (2)”
on next page
<Defective Area>
<Result>
<Cause>
Enter the “Internal Test Pattern Generator”
or
Is the screen “White”, after disconnecting the connector “A5”?
<Result>
<Cause>
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