Maintenance Instructions - Philips 27PS60S321 Technical Service Data

Philips crt television user manual
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SPMS
between 4.5 MΩ and12 MΩ.
4. Switch the TV OFF and remove the wire betweenthe two pins of the AC plug.
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:
When theset is used under normal circumstances, for example in a livingroom, the
recommended interval is three to five years.
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.
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
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:
All ICs andmany other semiconductors are susceptible to electrostatic discharges(ESD).
7/8/2004
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