Safety Information And General Notice 2-1 Safety Instructions - Philips BDP9100/12 Service Manual

Safety Information & General Notice
2. Safety Information & General Notice
2-1 Safety Instructions
2-1-1 General Safety
Safety regulations are strongly required during repair action:
• Using isolation transformer to connect unit and mains.
• Replace safety components which have symbol
as same type as original one. Any other substitution component may cause risk of fire or electrical
short circuit issue.
Safety regulations are required after repair. You must return the unit back to original condition and
pay attention at 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. To set the mains switch to the 'on' position (keep the mains cord unplugged!).
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 1 M .
5. Verify this, before you return the unit to the customer/user
6. Switch the unit 'off', and remove the wire between the two pins of the mains plug.
Laser Safety
The BD Driver is a laser device. Only allowed qualified service personnel to remove the cover and
repair action, because it might cause eye damage.
Laser Device Unit
Type : Semiconductor laser GaAlAs
Wavelength : 775-805 nm (CD)
: 640-663 nm (DVD)
: 400-410 nm (Blu-ray)
Output Power : 7 mW (CD)
: 7 mW (DVD)
: 20mW (Blu-ray)
Beam divergence : 60 degree
on it only allowed to change the component
4
Ω
REV. A