Panasonic TX-34P300K / TX-34P300XM / TX-34P300XX Service Manual ▷ View online
1.4.
X-Radiation
Warning :
1. The potential sources of X-Radiation in TV sets are the
High Voltage section and the picture tube.
2. When using a picture tube test jig for service, ensure
that jig is capable of handling 32.0kV without causing X-
Radiation.
Radiation.
Note :
It is important to use an accurate periodically calibrated high
voltage meter.
voltage meter.
1. Set the brightness to minimum.
2. Measure the High Voltage. The meter reading should
indicate 31.0 ± 1 kV. If the meter indication is out of
tolerance, immediate service and correction is required to
prevent the possibility of premature component failure.
tolerance, immediate service and correction is required to
prevent the possibility of premature component failure.
3. To prevent an X-Radiation possibility, it is essential to use
the specified picture tube.
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TX-34P300K / TX-34P300XM / TX-34P300XX
2.1.
HOW TO REMOVE THE REAR
COVER
COVER
1. Remove the 9 screwsas shown in Fig. 1.
Fig. 1.
2.2.
LOCATION OF CONTROLS
Fig. 2.
2.3.
HOW TO MOVE THE CHASSIS
INTO SERVICE POSITION
INTO SERVICE POSITION
1. Hold and lift the rear of the chassis and gently pull the
chassis toward you, as shown in Fig. 3.
2. Release the respective wiring clips and rotate the chassis
vertically through 90°, anti-clockwise.
3. After servicing replace the bead clamper and ensure all
wiring is returned to its original position before returning the
receiver to the customer.
receiver to the customer.
Fig. 3.
Fig. 4.
2 SERVICE HINTS
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TX-34P300K / TX-34P300XM / TX-34P300XX
2.4.
Hotel Mode
Purpose
1. At Hotels, this Mode prevent customer from changing the TV preset data, such as Channel preset data.
Note:
This Mode is useful for hotel, you should not get into “Hotel Mode” with Normal use.
Operation
1. To get into “ Hotel Mode”, press the remote control “Recall” button and Channel up “[
]” key on the TV set
simultaneously, after setting the “Off-Timer” mode.
2. In this mode, The Channel up and down Function will be able as normal Mode, and The maximum volume level for this
mode is set at the current volume level, that means setting at the level before entering the mode. However, other function
will be disable.
will be disable.
3. To exit This mode, exit “off-timer” mode and the “Volume Down [
]” key simultaneously.
* This Information is informed by Service Manual only.
2.5.
Service position For DG-Board.
Note:
Extension cable kit for DG Board is supplied as service fixtures and tools. (Part No. TZSC07024)
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TX-34P300K / TX-34P300XM / TX-34P300XX
3 Self Check
1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set.
2. To get into the Self -Check mode press the down (
) button on the customer controls at the front of the set, at the same
time pressing the HELP button on the remote control, and the screen will show :
If the CCU ports have been checked and found to be incorrect or not located then “--” will appear in place of “O.K.”.
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TX-34P300K / TX-34P300XM / TX-34P300XX
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