Samsung SF-530 Service Manual page 66

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LSU Error
CBF Harness28P
(MAIN B'D to ENGINE
MAIN B'D CN9-3,
P_MOTOR Signal
MAIN B'D CN9-4,
LREDADY Signal
MAIN B'D CN9-9,
LDON Signal
MAIN B'D CN9-6,
HSYNC Signal
Samsung Electronics
Check
NO
B'D)
YES
Check
NO
(
)
YES
Check
NO
(
)
YES
Check
NO
(
)
YES
Check
NO
(
)
YES
END
Try again to connector
or
Replace connector
Replace MAIN B'D
Replace LSU
Replace MAIN B'D
Replace LSU
Troubleshooting
4-33

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