Panasonic TC-L42D2 Technical Manual page 79

<Symptom>No Picture
<NG Area> All
Panel Drive Panel Drive
LCD panel
Picture Defect (12)
with Normal Sound
Ａ
Panel
Tuner
Drive
Panel
Input
Drive
Terminal
Panel
Drive
Signal
Processor
No Picture and Normal Sound
Reason: A board or Panel
No
Is picture from
all input sources
NG?
Yes
Are the test
Yes
Patterns OK?
(See slide 88)
No
Panel
<Actual Symptom>
A board
Analog TV
Tuner area
Picture is NG
Digital
Digital TV
Demodulator
Picture is NG
area
HDMI
HDMI picture
Decoder area
input is NG
SD
SD card
Processor
picture is NG
area
Signal
Processor
area
Slide # 79