16
TROUBLESHOOTING HINTS
2. Trouble in Power on
Trouble in power on.
Refer to No video
or No raster.
Power LED.
ON
OFF
Trouble in adapter.
Check output
voltage of adapter.
YES
Is the 5VS line
normal?
NO
Trouble in SQ8 and its
ambient circuit.
NO
YES
YES
Is the pulse of pin9
of the IC1?
Trouble in Q7 or its
ambient circuit.
Trouble in IC2 or its
ambient circuit.
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...
