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Zenith L20V54S Installation And Operating Manual page 57

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i
Controller
i
Quick
Check
_Red
LED
,,,No
I
Yes
Cycle the power by removing
and re-connecting
the AC
power cord,
Observe
the
'POWER'
LED and TV screen
as soon as AC power is
re-applied,
1. Bad PPV Board.
2. Bad DTV Board.
L
Board
LED Tum On
Bad
TV
No
_Tum
On
end/-
Yes
Check to see if TV
is in Commercial
Mode.
See Commercial
Mode
Check chart.
Plug
into AC
Power Outlet
1
I Press 'POWER'
or 'ON/OFF'
key on TV
No
TV Turn
On
Yes
Press 'POWER'
or 'ON/OFF
or 'VOLUME
UP/DOWN'
or
'MUTE'
key on Remote
/
TV
N No
1. Bad TV
1. Bad TV
PAGE
57

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