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No picture
No sound
(PDP MONITOR)
Burn-in mode check (*1)
NG?
No
Is AVC Power Indicator
always red and no sound
of Relay heard?
No
Check AVC POWER PWB
Has F901
blown?
No
Has F902
blown?
No
Is R915
open?
No
Is Q933(G) voltage
over 1.0V?
No
A.
TABLE OF CONTENTS
TROUBLESHOOTING FLOWCHARTS
Yes
C
Note (*1)
Disconnect the MONITOR connection cables (DVI/DIN)
and press Sub-Power button for more than 5 seconds.
• Test patterns will be displayed
Yes
Caution!
It should be always confirmed that C907(CE220uF/450V)
is discharged when touching POWER P.W.B. with fingers
or soldering iron after power-off in order to prevent
the electric shock and second damage.
Yes
Check D901, D902,
C901~C907, etc.
Yes
Check I901, D911, T901,
C913, C918, etc.
Yes
Check H901, C909, etc.
Yes
B.
Protection circuit Operation
(Page 50)
Trouble of Main Switching-regulator
(Page 49)
(1 OF 4)
(Trouble of PDP MONITOR
)
(Page 51)
Check AVC AV PWB
I001, Q227, Q228, etc.
48
PT3-E/G AVC3-U
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