DOWNLOAD Panasonic CT-34WDM60 Service Manual ↓ Size: 1.4 MB | Pages: 46 in PDF or view online for FREE

Model
CT-34WDM60
Pages
46
Size
1.4 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / HD6M
File
ct-34wdm60.pdf
Date
PREV: Panasonic Chassis / Z7 Service Manual / Other

Panasonic CT-34WDM60 Service Manual ▷ View online

- 10 -
Main power/video reception LED flashes three 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 three times.
Pull the
connector D1, perform
a continuity check between
pins 1 and 2 of the connector
E11 and earth, and
check for
a short-circuit.
Unsolder
pins 2 and 3 of the
connector E11,
perform a continuity check between
pins 2 and 3 of the connector
D11 and earth, and check
for a short-circuit.
Perform
a continuity check
between pin 3 of IC3107
and earth, and check
for a short-circuit.
Is a voltage of about 4 V
supplied to pin 66
of U-Module?
Q879 open inspection
Q881, C870 short-circuit inspection
RL879 inspection
IC3107 open inspection
Exchange
IC881, D881, C882
short-circuit inspection
Exchange
IC3107, C3051 short-circuit inspection 
DP-Module, and GY-Module short-circuit inspection
C3021, C3032 short-circuit inspection
Exchange
IC3107, C3048, C3088 short-circuit inspection
X, U, DP and GY-Module short-circuit inspection
C3095, C3058, C3037 short-circuit inspection
Exchange
Exchange the U-Module.
Short-circuit
Short-circuit
Short-
circuit
No short-circuit
No short-circuit
No short-circuit
Yes
No
( !"#$
- 11 -
Main power/video reception LED flashes four 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 four times.
Perform
a continuity check
between pins 7 and 8 of the connector
E12 and earth, and check
for a short-circuit.
Unsolder
pins7 and 8 of the
connector E12, perform
a continuity check between pins
7 and 8 of the connector D12
and earth, and check for
a short-circuit.
Perform
a continuity check
between collectorand emitter
of Q551, and check
for a short-circuit.
D861, C861 short-circuit inspection
IC881 open inspection
C958 short-circuit inspection
Exchange
Q500 short-circuit inspection
Exchange
Q551 short-circuit inspection
D509 short-circuit inspection
Exchange
Perform
a continuity check
between pins 3 and 4 of the connector
E14 and earth, and check for
a short-circuit.
Perform
a continuity check
between pin 8 of the connector
E13 and earth, and check for
a short-circuit.
Unsolder
pins 3 and 4 of the
connector E14, perform
a continuity check between pins
3 and 4 of the connector D14
and earth, and check for
a short-circuit.
IC2301, D3016, C3009
short-circuit inspection
Exchange
D867 short-circuit inspection
Exchange
D866 short-circuit inspection
Exchange
Unsolder
pin 8 of the connector
E13, perform a continuity check
between pin 8 of the connector D13
and earth, and check for
a short-circuit.
IC451, C654, C626 short-circuit inspection
Q623 short-circuit inspection
Simultaneous exchange
Short-circuit
Short-circuit
Short-circuit
Short-circuit
Short-circuit
Short-circuit
Short-
circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
Continued on the next page
(( !"#$
- 12 -
Short-circuit
Short-circuit
Short-circuit
Short-circuit
Short-circuit
Short-circuit
Short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
No short-circuit
C3801 short-circuit inspection
IC3802 short-circuit inspection
IC3803 short-circuit inspection
D862, C862 short-circuit
simultaneous inspection
Exchange
D863, C863 short-circuit
inspection
IC881, C881, C853
short-circuit inspection
Exchange
Continued
Perform
a continuity check
between pin 1 of the connector
L4 and earth, and check
for a short-circuit.
Disconnect
the connector L5,
perform a continuity check between
pin 3 of the connector E12
and earth, and check for
a short-circuit.
C952, C932, C974
short-circuit inspection
Exchange
Disconnect
the connector D1,
perform a continuity check between
pin 1 of the connector L4
and earth, and check for
a short-circuit.
D862, C862, Q891 short-circuit inspection
Simultaneous exchange
Q892, Q893, IC891 short-circuit inspection
Exchange
Remove the
F-Board, perform 
a continuity check between
pin 3 of the connector E6
and earth, and check for
a short-circuit.
IC601, C609 short-circuit inspection
IC602, C618 short-circuit inspection
IC608, C632 short-circuit inspection
Exchange
Perform
a continuity check
between pin 3 of the connector E12
and earth, and check for
a short-circuit.
Perform
a continuity check
between pin 3 of IC3101,
and check for
a short-circuit.
Perform
a continuity check
between the emitter of Q3016
and earth, and check for
a short-circuit.
IC3101 open inspection
Q6831, Q6832 short-circuit inspection
Exchange
C3101, C3079 short-circuit inspection
GY, Z, and X-Module, 
C3030 short-circuit inspection
Exchange
X, DP, B, and Z-Module
short-circuit inspection
Exchange
( !"#$
- 13 -
Main power/video reception LED flashes six times
No
Short-circuit
Short-circuit
Short-
circuit
Short-
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.
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
D864 short-circuit inspectn
C864 short-circuit inspection
Flashing is done five times in
case of a short-circuit on the
load side.
Q844 open inspection
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
D865, C865 short-circuit inspection
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
( !"#$
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