Samsung HCM653W Service Manual page 160

8-7 VPC 3230 RGB Input Change
Notes
1. DVD 1 input is switched,the main DVD-Y is input to VPC3230 through
terminal switching,and DVD input signal is directly input to PIP VPC3230.
2. PIP switching is not available in DVD 480p signal.
3. Color signal should be superimposed on caption signal so that Caption Box
becomes black.
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Block Diagrams
8-7