No Projection Light ( No Picture) - Vivitek RP56HD21 Service Manual

4. NO PROJECTION LIGHT ( NO PICTURE)

2 Blue 1 Amber
Chech Fan connector or
or Fan fail
NO
Repalce Power B/D
Check Lamp on ?
NO
Check Power LED
3 Blue 2 Amber
Check ballast input
380 Vdc
YES
Replace lamp module Or
Repalce Ballast /BD
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Yes
5 Blue 2 Amber
Replace DMD/BD
Repalce Control B/D