22
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
Содержание 42HDF52A
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Страница 26: ...26 7 Block Diagram z Plasma Television ...
Страница 27: ...27 z ATSC Module ...
Страница 28: ...28 z Power Module ...
Страница 29: ...29 8 Connection Diagram ...
Страница 31: ...31 10 Basic Block Diagram ...
Страница 32: ...32 11 Printed Wiring Board Diagram z Main Board Top Side ...
Страница 33: ...33 z Main Board Bottom Side ...
Страница 34: ...34 z I O Board Top Side z RS 232 Board Top Side Audio Board Top Side ...
Страница 35: ...35 z Audio Transfer Board Top Side L Bottom Side R ...
Страница 36: ...36 z Power EMI Board Top Side L Bottom Side R z ATSC Connector Board Top Side L Bottom Side R ...
Страница 38: ...38 z Power Board ...
Страница 39: ...39 12 Disassembly Diagram z Mechanical ...
Страница 40: ...40 z Packing ...