XL-HP550 (serv.man5). Safety precaution for — Sharp Audio Service Manual (repair manual)

Model
XL-HP550 (serv.man5)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
70.84 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Safety precaution for
File
xl-hp550-sm5.pdf
Date

View Sharp XL-HP550 (serv.man5) Service Manual online

XL-HP550E
– 2 –
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.
(1) When the cabinet has been removed, the power is turned
(2) The Laser Power Output of the Pickup inside the unit and
(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup Lens
at any time.
(5) CAUTION - Use of controls or adjustments, or performance
of procedures other than those specified herein may result
in hazardous radiation exposure.
IMPORTANT SERVICE NOTES
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
SAFETY PRECAUTION FOR SERVICE MANUAL
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW

Download Sharp XL-HP550 (serv.man5) Service Manual (Repair Manual)

Here you can view online or download Sharp XL-HP550 (serv.man5) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp XL-HP550 (serv.man5) System. Information contained in Sharp XL-HP550 (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).