CT-34WDM60 - Panasonic TV Service Manual (repair manual). Page 9

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Main power/video reception LED flashes once
Main power/video reception LED flashes twice
Main power/video reception LED flashes five times
When the main power switch is
set to ON, the main power/video
reception LED lights in the order of
red -> green -> red
and flashes once.
Q509, Q510 short-circuit inspection,
simultaneous exchange
Q612, Q502 short-circuit and open inspection
D506, D404, Q401 short-circuit inspection
IC608, IC607, IC402 inspection
T551 inspection
Exchange
When the main power switch is
set to ON, the main power/video
reception LED lights in the order of
red -> green -> red
and flashes twice.
IC881 open inspection
Q890 short-circuit inspection
Exchange
When the main power switch is
set to ON, the main power/video
reception LED lights in the order of
red -> green -> red
and flashes five times.
Perform a 
continuity check 
between pins 1 and 2 of 
the connector E13 and earth 
and check for a 
short-circuit.
Perform a 
continuity check 
between pin 2 of IC3109 
and earth and check for 
a short-circuit.
IC3109 open inspection
IC3110 open inspection
Q3023 short-circuit inspection
D3039, D3050, D3022, D3035, D3011 
short-circuit inspection
Exchange
IC3109, C3117 short-circuit inspection
IC3110, C3069 short-circuit inspection
Exchange
IC3109, D3017 short-circuit inspection
IC3061, D3047, C3061 short-circuit inspection
J-Module and HM-Module short-circuit 
inspection Exchange
Short-circuit
Short-circuit
No short-circuit
No short-circuit
* Flashing is done six times in case of 
  a short-circuit on the rectification side.
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