Read Panasonic CT-34WDM60 Service Manual online
- 13 -
Main power/video reception LED flashes six times
No
Short-circuit
Short-circuit
Short-
circuit
circuit
Short-
circuit
circuit
Yes
Yes
No
No
Yes
No short-circuit
No short-circuit
No short-circuit
No short-circuit
Continued on the next page
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 six times.
set to ON, the main power/video
reception LED lights in the order of
red -> green -> red
and flashes six times.
Can a relay
sound be heard after
the main power switch has
been closed?
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
pins 5 and 6 of the connector E13
and earth, and check for
a short-circuit.
Is a voltage
of about 3 V put out from
pin 65 of U-Module before the
power is cut?
Exchange the U-Module.
Is the emitter
voltage of Q841 about
13V?
Q841 open inspection
D849, D848 short-circuit inspection
D849, D848 short-circuit inspection
D864 short-circuit inspectn
C864 short-circuit inspection
C864 short-circuit inspection
Flashing is done five times in
case of a short-circuit on the
load side.
case of a short-circuit on the
load side.
Q844 open inspection
RL801
Exchange
RL801
Exchange
Unsolder
pins 5 and 6 of the
connector E13, perform a
continuity check between pins 5 and 6 of
the connector D13 and earth,
and check for a
short-circuit.
Remove the
F-Board, perform
a continuity check between
pins 15 and 16 of the connector A8
and earth, and check for
a short-circuit.
IC451 short-circuit inspection
C653, C631, D626, D616
short-circuit inspection
Q625 short-circuit inspection
Simultaneous exchange
C653, C631, D626, D616
short-circuit inspection
Q625 short-circuit inspection
Simultaneous exchange
D865, C865 short-circuit inspection
C868, C855 short-circuit inspection
(R800 open simultaneous inspection)
Exchange
C868, C855 short-circuit inspection
(R800 open simultaneous inspection)
Exchange
IC3101, IC3105, IC3106
short-circuit inspection
C3026, C3039, C3045
short-circuit inspection
(R800 open simultaneous inspection)
Exchange
short-circuit inspection
C3026, C3039, C3045
short-circuit inspection
(R800 open simultaneous inspection)
Exchange
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