Read Panasonic CT-34WX50 Service Manual online
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Self-check Function
When symptoms like "the power fails sometimes" or "sometimes there is no picture and/or sound" can not be confirmed at the
time of servicing, the self-check function can be used to confirm the occurrence and to find the defective circuit.
In case of "power failure", flashing of the "VIDEO IN" indication (red) at the front of the unit can be used to narrow down the +B
line.
time of servicing, the self-check function can be used to confirm the occurrence and to find the defective circuit.
In case of "power failure", flashing of the "VIDEO IN" indication (red) at the front of the unit can be used to narrow down the +B
line.
Self-check of the microcomputer control system (bus line)
Indication method
Screen display
<Indication method>
Press the SLEEP button on the
other model TV remote control
simultaneously with the
"VOLUME -" button on the unit.
(The display will be switched to
the screen of VIDEO 1 and the
screen shown on the right will be
displayed.)
Press the SLEEP button on the
other model TV remote control
simultaneously with the
"VOLUME -" button on the unit.
(The display will be switched to
the screen of VIDEO 1 and the
screen shown on the right will be
displayed.)
<Return to the normal screen>
Return to the normal screen will
be made by POWER or any other
remote control operation.
Return to the normal screen will
be made by POWER or any other
remote control operation.
Note:
This model’s remote controller
don’t have sleep Button.
This model’s remote controller
don’t have sleep Button.
[VOLUME-] Button
Display Contents
Indication
No.
Symptom, status
Treatment method
Applicable Board,
applicable Module
H10
No receive for Main picture.
Exchange TNR001.
A-Board
H13
No receive for Sub picture.
Exchange TNR003.
H14
BEE and LED does not work.
Exchange IC5002.
H21
No sound.
Exchange IC2401.
H90
Picture and Sound can not be adjusted.
Exchange IC5001.
H93
No sound.
Exchange IC5003.
H30
TV/AV switching is not possible.
Module exchange
H-Module
H33
No video from component (color differnce) input.
H39
H31
Vector Detector does not operate.
Module exchange
DG-Module
H32
Sub picture is No color (W/B).
H36
Main picture is No color (W/B).
H45
The split screen function does not operation.
H94
Picture is not stationary.
H34
Abnormal sparpness.
Module exchange
AG-Module
H37
VM does not work.
H38
No video, defective OSD.
H51
Horizontal and vertical synchronization not stationary.
Module exchange
Q-Module
hyperOne
DG
IC1310
IC4504
IC4506
IC4513
IC4514
OK H94
OK H36
OK H45
OK H32
OK H31
Primary IIC
AG
IC2503
IC2504
IC2505
OK H34
OK H37
OK H38
Secondary IIC
A
IC2401 OK H21
Q
IC452
OK H51
A
IC5001
IC5002
IC5003
TNR001
TNR003
OK H90
OK H14
OK H93
OK H10
OK H13
H
IC3007
IC3012
IC3013
OK H33
OK H39
OK H30
Check result of IC
"OK" Normal
"NG" Abnormal
"OK" Normal
"NG" Abnormal
(Check IC or its nearby components)
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