1 Safety Precautions
1.1. General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.2. Touch-Current Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground such
as a water pipe as shown in Figure 1.
3. Use the Leakage Current Tester (Simpson 228 or equivalent) to measure the potential across the measuring network.
4. Check each exposed metallic part and measure the voltage at each point.
5. The potential at any point (touch current) expressed as voltage U
1
and U
2
, do not exceed the following values:
For AC: U
1
= 35 V (peak) and U
2
= 0.35 V (peak);
For DC: U
1
= 1.0 V,
NOTE :
The limit value of U
2
= 0.35 V (peak) for AC and U
1
= 1.0 V for DC correspond to the values 0.7 mA (peak) AC and 2.0 mA DC.
The limit value U
1
= 35 V (peak) for AC correspond to the value 70 mA (peak) AC for frequencies greater than 100 kHz.
6. Should a measurement be out of the limits specified, there is a possibility of a shock hazard, and the equipment should be
repaired and rechecked before it is returned to the customer.
4
TX-R32LX86K
Summary of Contents for TX-R32LX86K
Page 8: ...8 TX R32LX86K ...
Page 10: ...6 Location of Lead Wiring 6 1 Wire Dressing 10 TX R32LX86K ...
Page 11: ...11 TX R32LX86K ...
Page 17: ...7 5 1 2 Pedestal Stand Base 7 5 1 3 Pedestal Stand Cover 17 TX R32LX86K ...
Page 18: ...7 5 2 Pedestal Assembly 2 18 TX R32LX86K ...
Page 20: ...7 7 LCD Panel Assembly Installation 20 TX R32LX86K ...
Page 24: ...7 10 Back Cover Installation 24 TX R32LX86K ...
Page 26: ...9 Conductor Views 9 1 A Board A Board A Side TNPH0729 26 TX R32LX86K ...
Page 27: ...9 2 A Board A Board B Side TNPH0729 27 TX R32LX86K ...
Page 29: ...10 2 A Board 10 2 1 A Board Sheet 001 1 6 1A 2A 3A 4A 5A 6A 29 TX R32LX86K ...
Page 30: ...10 2 2 A Board Sheet 001 2 6 1B 2B 3B 4B 5B 6B 1A 2A 3A 4A 5A 6A 30 TX R32LX86K ...
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Page 93: ...11 Parts Location Mechanical Replacement Parts List 11 1 Parts Location 93 TX R32LX86K ...
Page 94: ...12 Packing Exploded View TX R32LX86K 94 ...