Philips dvp3320-55 User Manual

1. General safety 

Safety regulations require that during a repair: 

. Connect the unit to the mains via an isolation transformer. 

. Replace safety components indicated by the symbol 

,

only by components identical to the original ones. Any 

other component substitution (other than original type) 

may increase risk of fire or electrical shock hazard. 

Safety regulations require that after a repair, you must 

return the unit in its original condition. Pay, in particular, 

attention to the following points: 

. Route the wires/cables correctly, and fix them with the 

mounted cable clamps. 

. Check the insulation of the mains lead for external 

damage. 

. Check the electrical DC resistance between the mains 

plug and the secondary side: 

1)    Unplug the mains cord, and connect a wire between 

the two pins of the mains plug. 

2)  Set the mains switch the  “on” position (keep the 

mains cord unplug). 

3)  Measure the resistance value between the mains 

plug and the front panel, controls, and chassis 

bottom.

4) Repair or correct unit when the resistance 

measurement is less than 1M¡.

5) Verify this, before you return the unit to the 

customer/user (ref. UL-standard no. 1492). 

6)    Switch the unit “off”, and remove the wire between 

the two pins of the mains plug. 

2.Laser safety     

This unit employs a laser. Only qualified service personnel 

may remove the cover, or attempt to service this device 

(due to possible eye injury). 

Laser device unit   

Type                        : Semiconductor laser GaAlAs 

Wavelength      : 650nm (DVD) 

                : 780nm (VCD/CD) 

Output power    : 7mW (DVD) 

                                : 10mW (DVD /CD) 

Beam divergence: 60 degree 

Note: Use of controls or adjustments or performance of 

procedure other than those specified herein, may result in 

hazardous radiation exposure. Avoid direct exposure to 

beam.

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