Step 1
Step 2
Step 3
Is the waveform
at TPSC1 ok?
See Ref. *3 on
page 66.
Is the
SCAN
CONTROL
PULSE
from the D Board to
the SC Board OK?
(Go to
<
Check Point
>
on page 66.)
Check
the
D
board
Check the
SC board.
No
No
Yes
Check the DG or
D board.
Yes
No
Check the
D board.
Yes
No
Check the
DG board.
Is the
LVDS signal output
from the DG Board to
the D Board OK?
(Go to <
Check Point
>
on page 66.)
Yes
Check the
P board.
No
Is the Vda
voltage at
TP_VDA of the
SS board OK?
Is there
a dark
picture?
Yes
Go to
step 1
Go to
Step 4
64
Содержание TH-42PX50U
Страница 40: ...SC board Waveform Figure 30 SU And SD Board Shift Registers Figure 31 35 ...
Страница 43: ...SS Board Schematic Figure 33 SS Board Waveform Figure 34 38 ...
Страница 66: ...Adjustment Volume Locations Figure 53 61 ...
Страница 67: ...Test Point Locations Figure 54 62 ...
Страница 71: ...Scan and Sustain Drive Waveform Figure 55 Scan and Sustain Drive Check points Figure 56 66 ...