Daewoo DG-M12D1P-SA, Руководство по обслуживанию

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TROUBLESHOOTING
Check Power Cord
Check C806 +port
Check if there’s switching
pulse on Drain of IC802(#7)
Check the Voltage of D821, D822,
D823,D824,D826,D827
Check F801,L801,D801,D802,
D803,D804,R802
Check IC802,D821,D822,D823,
D824,D826
Check if the #6 of
P821 is over 4V in ’Power ON’mode
NO
Change Power Cord
NO
YES
YES
NO
NO
Change destroyed
Diode
NO
Check Micom MICOM
ON/OFF port
NO
Check the Voltage of
Q821,Q822,Q823
Source port ,#2 of IC804
YES
Check the parts on MAIN
BOARD
YES
Check Q821,Q822, Q823,IC804
YES
1. NO POWER
DG-M21D1D-HA HDMI_SVC 2006.10.13 11:15 AM ˘ ` 29 mac001 1200DPI 80LPI