11
6. Troubleshooting
The flow chart shown below will help you to troubleshoot your Monitor set with it doesn’t display normally.
Each procedure offers a simple way to check for system errors. Before starting, ensure that there is a signal in
and that the Monitor is turned on.
z
Power turn on issue
Is the input voltage
applied to Power
supply unit?
(CN61
①③
)
Power cannot be turn on (LED does not light)
No
Yes
AC inlet
Check if the
Power Cord
has been well connected
to TV?
Connect the wire
properly.
No
Yes
PBC-Main
Are the voltages applied
to CN10
①⑤⑥ pins and
CN11①③④⑩ pins of
Power supply unit?
Yes
Power
switch
AC Fuse 5HTP10
TL.510A 250V
Filter
PWB
(CN61) 110V
①L ③W
(CN10) ①+5V ⑤+12V ⑥+12V
(CN11) ①+5V ③+3.3V ④+3.3V ⑩+5V
Power supply unit
No
Test again
Summary of Contents for 42HDM12
Page 9: ......
Page 10: ......
Page 22: ...22 7 Block Diagram z Plasma Monitor ...
Page 23: ...23 z Power Module ...
Page 24: ...24 8 Connection Diagram ...
Page 27: ...26 10 Basic Block Diagram ...
Page 28: ...27 11 Printed Wiring Board Diagram z Main Board Top Side ...
Page 29: ...28 z Main Board Bottom Side ...
Page 30: ...29 z I O Board Top Side z RS 232 Board Top Side Audio Board Top Side ...
Page 31: ...30 z Audio Transfer Board Top Side L Bottom Side R ...
Page 33: ...32 z HDMI Board Top Side L Bottom Side R ...
Page 34: ...33 z Power Board ...
Page 35: ...34 12 Disassembly Diagram z Mechanical ...
Page 36: ...35 z Packing ...
