CD-E250 (serv.man5). Safety precautions and important servicing notes — Sharp Audio Service Manual (repair manual)

Model
CD-E250 (serv.man5)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
62.42 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Safety precautions and important servicing notes
File
cd-e250-sm5.pdf
Date

View Sharp CD-E250 (serv.man5) Service Manual online

CD-E250E
CD-E550E
– 2 –
SAFETY PRECAUTION FOR SERVICE MANUAL
Precaution to be taken when replacing and servicing the Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements.
However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
hazardous radiation exposure.
IMPORTANT SERVICE NOTES (FOR U.K. ONLY)
Before returning the unit to the customer after completion of a
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.
Set name
set value
Withstanding Voltage Tester
Test voltage
4,240 VPEAK
3,000 VRMS
Set time
6 secs
Set current (Cutoff current)
4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
PROBE
AC
OUT
UNIT
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Display

Download Sharp CD-E250 (serv.man5) Service Manual (Repair Manual)

Here you can view online or download Sharp CD-E250 (serv.man5) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp CD-E250 (serv.man5) System. Information contained in Sharp CD-E250 (serv.man5) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).