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7-2.4 D. Audio Troubleshooting
Start
Can hear
sound ?
Sound is clear
without noise ?
Yes
End
7-2.5 E. Remote Control Troubleshooting
Change
No
Main board
Yes
No
Change
Speaker
Start
Replace
the battery
No
Change Remote
Controller
No
Change Keypad
No
Change M/B
EzPro735
Change
No
Speaker
Yes
Yes
Yes
Yes
End
EzPro735
S
M
7 - 7
ERVICE
ANUAL
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