18
TROUBLESHOOTING HINTS
4. One color is missing
YES
One color is missing.
Check the output signal
of the MX88281
and 74act573.
Is OSD color
normal?
NO
YES
Replace the main B'D.
Are the R, G,
B digital (8 bit) output
of the U17
(TDA8752)?
YES
Check video signal cable
or video card.
Is input signal
normal?
NO
YES
Trouble in the
soldering.
NO
Содержание L500B
Страница 1: ...ServiceManual TFT LCD MONITOR Model L500B DAEWOO ELECTRONICS CO LTD OVERSEAS SERVICE DEPT...
Страница 24: ...25 SCHEMATIC DIAGRAM u MAIN88281A...
Страница 25: ...26 SCHEMATIC DIAGRAM u TOP CIRCUIT...
Страница 26: ...27 SCHEMATIC DIAGRAM u BUFFER...
Страница 27: ...28 SCHEMATIC DIAGRAM u POWER DC DC...
Страница 28: ...29 SCHEMATIC DIAGRAM u MEMORY...
Страница 29: ...30 SCHEMATIC DIAGRAM u MICOM...
Страница 30: ...31 SCHEMATIC DIAGRAM u RGB SYNC...
Страница 31: ...32 SCHEMATIC DIAGRAM u TDA8752A...
Страница 32: ...33 EXPLODED VIEW MECHANICAL PARTS LIST...
