34
ELECTRICAL PARTS LIST
(2) VIDEO ERROR
Booting OK
STi5518 CVBS out check
Pin 34
Video buffer, Low Pass
Filter Check
Confirm and execute
the fixing process.
No
Yes
Check the power status of
Sti5518 Video
(Pin 23, Pin 30)
Confirm the connection status of tracking port and
execute the fixing process
Yes
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.
Yes
No
No
Yes
Yes
Yes
Bad quality of RGB (TV Scart RGB mode)
STi5500 RGB Output Pin Check.
(Pin25, 26, 27)
Yes
Yes
No
D
E
Confirm Video Buffer and
perform necessary operation.
Yes
D
E
No
Yes
Summary of Contents for DSD-9251MA
Page 17: ...16 CIRCUIT OPERATING MANUAL Feature 9 EMI Interface Timing...
Page 40: ...39 39 SCHEMATIC DIAGRAM...
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Page 43: ...42 42 SCHEMATIC DIAGRAM...
Page 44: ...43 43 SCHEMATIC DIAGRAM...
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Page 48: ...47 47 SCHEMATIC DIAGRAM...
Page 49: ...48 48 SCHEMATIC DIAGRAM...
Page 50: ...49 49 SCHEMATIC DIAGRAM...
Page 51: ...50 ELECTRICAL PARTS LIST 50...
Page 52: ...51 51 EXPLODED VIEW...
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