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INF-30
SECTION 1 SERVICE INFORMATION
■ VIDEO input check
■ RGB1 input check
Check the cable between [KA1] and [J1]
NG
Replace cable
A
Check the sync input waveform at IC4701
IC5301
IC5301
NG
A
Check IC4701, IC5301 and peripheral circuits
Input (RGB2) can be displayed
NG
A
Check IC4001,IC5301 and IC4701 and peripheral circuit
A
Check the video input waveform at IC301
C331(G/Y), C332(R/Pr), C333(B/Pb)
C331(G/Y), C332(R/Pr), C333(B/Pb)
NG
A
Check C331(G/Y), C332(R/Pr), C333(B/Pb) and peripheral
circuit
circuit
J
Check the waveform at pin 2 of [J1]
NG
J
Replace [J] P.C.Board
One of the inputs (HDMI1,HDMI2, ,DIGITAL LINK) can be
displayed
displayed
NG
A
Check IC301 and peripheral circuits
A
Check the output waveform at L1002, L1012,
L1022,Q1001,Q1004,Q1006
L1022,Q1001,Q1004,Q1006
NG
A
Check L1002, L1012, L1022,Q1001,Q1004,Q1006 and
peripheral circuit
peripheral circuit
A
Check IC301 and peripheral circuits
A
Check IC301 and peripheral circuits
One of the inputs (HDMI1, HDMI2, RGB1, RGB2, DIGITAL LINK)
can be displayed
can be displayed
NG
One of the inputs (HDMI1,HDMI2, VIDEO) can be displayed
NG
(3)
(3)
OK
OK
OK
OK
OK
OK
OK
OK
OK
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