Marantz DV4200 - Disc Error; Picture Abnormal

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E. Picture abnormal
Check the disc.
If OK
YES (If OK)
YES (If OK)
Refer to Servo part
Check MPEG_CLK Signal
of MPEG part
Check DSP
Check MPEG
YES (If OK)
Replace B/D
PICTURE ABNORMAL
F. Disc Error
Check Disc
YES (If OK)
YES (If OK)
Refer to Servo part
Replace B/D
DISC ERROR