Philips 27PS60S321, Technical Service Data

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between 4.5 MΩ and12 MΩ.
4. Switch the TV OFF and remove the wire betweenthe two pins of the AC plug.
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Check the cabinet for defects, to prevent thepossibility of the customer touching any
internal parts.
Maintenance Instructions
It is recommended to have a maintenance inspectioncarried out by qualified service personnel.
The interval dependson the usage conditions:
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When theset is used under normal circumstances, for example in a livingroom, the
recommended interval is three to five years.
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When the set is used in an environment withhigher dust, grease or moisture levels, for
example in a kitchen,the recommended interval is one year.
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The maintenance inspection includes the followingactions:
1. Perform the "generalrepair instruction" noted above.
2. Clean the power supply and deflection circuitryon the chassis.
3. Clean the picture tube panel and the neck ofthe picture tube.
Warnings
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Inorder to prevent damage to ICs and transistors, avoid all high voltageflashovers. In
order to prevent damage to the picture tube, usethe method shown in Fig. 2-1, to
discharge the picture tube. Usea high voltage probe and a multi-meter (position VDC).
Dischargeuntil the meter reading is 0 V (after approx. 30 s).
Figure:
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All ICs andmany other semiconductors are susceptible to electrostatic discharges(ESD).
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7/8/2004