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Vivitek Manuals
Monitor
RP56HD21
Service manual
No Audio; No Tv Or Lost Some Channel - Vivitek RP56HD21 Service Manual
Rear projection multi purpose display unit
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7. NO AUDIO
Check R or L speaker , check
input level setting
Speaker or speaker
amplfier B/D
8. NO TV OR LOST SOME CHANNEL
Re-setting
YES
Check TV auto program or
channel map or locked
YES
Replace tunner B/D
Page64 of 79
NO
Replace audio B/D
NO
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