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INF-27
SECTION 1 SERVICE INFORMATION
■ VIDEO input check
■ RGB1 input check
Check the cable between [A]-P.C.Board and [K300]
NG
Replace cable
A Check the sync input waveform at R344, R347, R353
NG
A Check R344, R347, R353 and peripheral circuits
A Check the waveform at each pin of connector [K10A]
NG
A Check connector [K10A] and peripheral circuit
J
Check the waveform at pin 5 of [K50A]
NG
J
Replace [J] P.C.Board
A Check IC301 and peripheral circuits
A Check microprocessor (IC301) and peripheral circuits
One of the inputs (S-VIDEO, HDMI, RGB1, RGB2, COMPO-
NENT) can be displayed
NG
One of the inputs (S-VIDEO, HDMI, RGB2, COMPONENT) can
be displayed
NG
(3)
(3)
OK
OK
OK
OK
OK
OK
■ RGB2 input check
A Check the sync input waveform at R8101, R8201, R8015
NG
A Check R8101, R8201, R8015 and peripheral circuits
A Check the waveform at each pin of connector [K10B]
NG
A Check connector [K10B] and peripheral circuit
A Check microprocessor (IC301) and peripheral circuits
One of the inputs (S-VIDEO, HDMI, RGB1, COMPONENT) can
be displayed
NG
(3)
OK
OK
OK
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