17
z
No signal issue (Composite, SV, YCbCr, YPbPr)
Check if the signal source
is available and been well
connected?
No signal
No
Yes
Enable source and
connect the signal wire
properly.
Check if the
PCB-I/O
has
been well connected to
the
PCB-Main
?
Connect the
PCB-I/O
properly.
No
Yes
Take off the back cover.
Check if
Wire Ass’y 31P
has been well connected to
PCB-Main
?
No
Yes
Connect
Wire Ass’y 31P
properly to the
PCB-Main
.
Change the
PCB-I/O
then check the signal
No
Change
PCB-Main
board
Yes
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 ...
