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Vivitek Manuals
Monitor
RP56HD21
Service manual
Osd Not Operating; Video No Image( Cvbs ,S-Video ,Y/Cb/Cr) - Vivitek RP56HD21 Service Manual
Rear projection multi purpose display unit
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5. OSD NOT OPERATING
keypad
Replace key B/D
6. VIDEO NO IMAGE (CVBS ,S-VIDEO ,Y/Cb/Cr ,Y/Pb/Pr)
YES
Replace AV B/D
Check keypad or remote
Check RGB data ok or not
Page63 of 79
remote
Check battery or remote or
control panel
NO
Replace control B/D
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