46
LC-26GA5E
LC-32GA5E
LC-26GA5E
LC-32GA5E
No video output (5)
No output from external input system No output from external input system
EXT 4 Components SD EXT 4 Components HD
Select EXT 4 and the input signal NO Is "Ext. Sources menu " Is "Ext. Sources menu " NO Select EXT 4 and the input signal
in the input switching menu screen set properly ? set properly ? in the input switching menu screen
YES YES
Select SD Main meu ĺ AV setup ĺ NO Is SD select in Main menu? Is HD select in Main menu? NO Select HD Main menu ĺ AV setup ĺ
Ext 4 ĺ SD Ext 4 ĺ HD
YES YES
Check Components unit PWB and NO Are input signals Y, Pr and Pb at pins Is there Y, Pr and Pb signal input at pins NO Check Components unit PWB and
peripheral components (13) , ( 1) and (3) of IC 1403 as specified ? (13),( 6) and (3) of IC 1801 as specified ? peripheral components
YES YES
Check IC 1403, Q 1412 and NO Are input signals Y, Pr and Pb at pins Is there Y, Pr and Pb signal output at pins NO Check IC 1801, IC 1802 and
peripheral components (67),( 68) and (69) of IC 1001 as specified ? (12) ,( 4) and (7) of IC1801 as specified ? peripheral components
YES
Is there Y, Pr and Pb signal output at pins NO Check IC 2203 , IC 1803 and
(12) ,( 9) and (7) of IC2203 as specified ? peripheral components
YES
Is there Y, Pr and Pb signal input at pins NO Check IC 2201 and
(37), (43) and (50) of IC2201 as specified ? peripheral components
No video output (6)
External input in trouble <PC INPUT>
Is "Ext. Sources menu " NO Set "Ext Sources menu " to PC INPUT
set properly ? referring to the operation manual
YES YES
Check SC 2801 and peripheral NO Are there synchro signal input at Is there video on screen ?
components pins (1) and (13) of IC 2205 NO
YES
Check IC 2205 , IC1803 and NO Are synchro signal output at Are R,G,B signal input at pins NO Check SC 2801 and peripheral
peripheral components pins (14) and (15) of IC 2205? (6) (10) and (13) of IC 2203 ? components
YES YES
Check IC 2206 and peripheral NO Are synchro signal output at
components pins (6) and (11) of IC 2206? Are R,G,B signal output at pins NO Check IC 2203 , IC1803 and
YES (7) (12) and (9) of IC 2203 ? peripheral components
Check IC 2201 and peripheral NO Are there synchro signal input at YES
components pins (64) and (65) of IC 2201 ?
Are R,G,B signal input at pins NO Check IC 2201 and peripheral
(37) (43) and (50) of IC 2201 ? components
Troubleshooting Table (continued)
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