Troubleshooting Guide - Hitachi HDB73 Instruction Manual

Digital terrestrial tv receiver
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7. TROUBLESHOOTING GUIDE

If you are still experiencing difficulties please check below before calling the customer help line.
PROBLEM
Standby light not lit
No signal found
No picture or sound
Scrambled channel message
No response to remote control
Forgotten channel lock code
Forgotten menu lock code
The remote control will not
operate your receiver
After moving the
receiver to another
room you find you are no
longer able to receive the
digital reception
POSSIBLE CAUSE
Mains lead unplugged
Mains fuse blown
Aerial is disconnected
Aerial is damaged/misaligned
Out of digital signal area
Tuned to digital teletext channel
Channel is scrambled
Receiver off
Handset not aimed correctly
Front panel obstructed
Handset batteries exhausted
(1) The batteries in your
remote control need replacing
(2) There is an obstruction
blocking the signal path
between the remote control
and the receiver
The aerial feed may now come
through a distribution system
which may reduce the digital
signal received by the receiver
21
WHAT TO DO
Check mains lead
Check fuse
Check aerial lead
Check aerial
Check with dealer
Retune to another channel
Select alternative channel
Plug in and turn on receiver
Aim handset at front panel
Check for obstructions
Replace handset batteries
Re-install channels to cancel
channel lock
Contact help line
(1) Replace the batteries
(2) Check that there is
nothing in the way of the path
between the remote control
and the receiver
Try a direct feed from the
aerial
.

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