Marsh Sound Design The HT 4000 High Resolution Audio-Video Processor - Manual (Page 22)

22
Marsh Sound Design
TROUBLE
SHOOTING
GUIDE
Problems
NO sound, Status indicator and display are
OFF
NO sound, Status indicator and display are
ON
NO remote control function and Status
Indicator off
NO remote control function and Status
Indicator is Red
All functions work except in tuner mode
Audio path works fine but the video signal
does not correspond to the program source or
vice versa
Solutions
Check if AC power cord is securely plugged in.
Check AC power fuse, replace if necessary.
Check all RCA cables for proper connections.
Verify correct source is selected.
Verify power amplifiers are turned on.
Press Power button on the front panel.
Verify the Status indicator turn red
Press AVC button on remote first
Check to ensure batteries are installed.
Check if the IR receiver path (located inside the
display lens) is blocked by obstacles.
Check if antenna cables are properly connected.
Verify that all video and audio connections
correspond to the correct source legend on the
rear panel.
Trouble Shooting the Basics