Read Sharp XL-HF202PH (serv.man6) Service Manual online
XL-HF202PH/XL-HF302PH
– 3
CHAPTER 1. GENERAL DESCRIPTION
[1] Safety Precaution For Service Manual
This product is classified as a CLASS 1 LASER PRODUCT.
Precaution to be taken when replacing and servicing the Laser Pickup.
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.
However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
When the cabinet has been removed, the power is turned on without a compact disc, and the Pickup is on a position outer than
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping.
No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup.
Under no circumstances look directly into the Pickup Lens at any time.
CAUTION -Use of controls or adjustments, or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping.
No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup.
Under no circumstances look directly into the Pickup Lens at any time.
CAUTION -Use of controls or adjustments, or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
(1)
(2)
(3)
(4)
(5)
(3)
(4)
(5)
Setting of Withstanding Voltage Tester and set.
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Withstanding Voltage Tester
Withstanding Voltage Tester
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V
0
4
2
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4
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3,000 VRMS
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6
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Set current (Cutoff current)
Set current (Cutoff current)
4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
PROBE
AC
OUT
AC/DC
ADAPTOR
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO SHELL OF DC CONNECTOR
WITHSTANDING
VOLTAGE TESTER
QACCE0016AW00
QACCBA015AW002
CAUTION : “Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent
type”.
type”.
[2] 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.
test to be applied to ensure the unit is safe for the customer to use.
[3] AC Power Supply Cord
1 – 1
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