Sanyo DC-DV610KR Service Manual page 9

DVD P.W.BOARD OPERATION(SIGNAL)
(This is a basic signal.)
1. RF and Defection Signal
Each signal shown refers to WIRING ,SCHEMATIC DIAGRAM and Table of monitor signals.
A. RF Signal during play mode.
RF
B. Defection Signal (Detection of level down signal)
RF
PH
BH
DEFECT
2. Servo and Tray Control
A. S-Curve signal by Focus search
RF
FDO
FE
RF
RF
PH
BH
DEFECT
RF
FDO
FE
Zero cross point
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