32
FIXING ERRORS
(2) VIDEO ERROR
LED Booting OK
STi5518 CVBS out check
Pin34
Video buffer, Low Pass
Filter Check
Confirm and execute the
fixing process
Confirm the connection status of tracking port and execute
the fixing process
Check the power status of
Sit5518 Video
(Pin 23, Pin30)
Check Related Circuits and execute the
fixing process
Replace STi5518
I/V Ref. Check(STi5518-Pin28,
29, Pin35, 36)
Verify the resistance value and perform
necessary operation
Confirm Video Buffer and perform
necessary operation.
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
Bad quality of RGB(TV Start RGB mode)
STi5518 RGB Output Pin Check.
(Pin 25,26,27)
YES
YES
Replace STi5518
Summary of Contents for DSD-9255E
Page 17: ...16 CIRCUIT OPERATION MANUAL EMI Interface Timing...
Page 40: ...39 SCHEMATIC DIAGRAM...
Page 41: ...40 SCHEMATIC DIAGRAM...
Page 42: ...41 SCHEMATIC DIAGRAM...
Page 43: ...42 SCHEMATIC DIAGRAM...
Page 44: ...43 SCHEMATIC DIAGRAM...
Page 45: ...44 SCHEMATIC DIAGRAM...
Page 46: ...45 PARTS PLACEMENT ARRANGEMENT...
Page 47: ...46 PARTS PLACEMENT ARRANGEMENT...
Page 48: ...47 PARTS PLACEMENT ARRANGEMENT DSD 9255 FRONT DSD 9256 FRONT...
Page 49: ...48 PARTS PLACEMENT ARRANGEMENT...
Page 50: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...