Sharp DV-HR300U Service Manual Page 2
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DV-HR300U
1. IMPORTANT SERVICE NOTES
Note:
This unit can be used only where the power
supply is AC 110V-240V, 50/60Hz.
It cannot be used elsewhere.
CAUTION:
USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
DO NOT STARE INTO THE LASER BEAM OR
VIEW WITH OPTICAL INSTRUMENT.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO
RAIN OR MOISTURE.
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, AND ANNOYING INTERFERENCE, USE
THE RECOMMENDED ACCESSORIES ONLY.
Laser Diode Properties
Material: AlGaInP
Wave length: 650 nm
Emission Duration: Continuous
Laser output: Max. 0.7 mW
This Unit is classified as a CLASS 1 LASER
product.
The CLASS 1 LASER PRODUCT label is located
on the rear cover.
This product contains a low power laser device.
To ensure continued safety do not remove any
cover or attempt to gain access to the inside of
the product. Refer all servicing to qualified
personnel.
Power Cord Protection
To avoid any malfunctions of the unit, and to protect
against electric shock, fire or personal injury, please
observe the following.
Hold the plug firmly when connecting or
disconnecting the AC power cord.
Keep the AC power cord away from heating
appliances.
Never put any heavy object on the AC power cord.
Do not attempt to repair or reconstruct the AC
power cord in any way.
VARO! AVATTAESSA OLET ALTTIINA LASERSÄTEILYLLE.
ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN LAITTEEN LÄPI.
VARNING - LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD.
STIRRA EJ IN STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM OPTISKT
INSTRUMENT.
(Rear of product)
CAUTION-LASER RADIATION WHEN OPEN. DO NOT STARE INTO BEAM
OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
VORSICHT-LASERSTRAHLUNG, WENN GEFFNET. BLICKEN SIE NICHT IN DEN STRAHL
UND BETRACHTEN SIE DIESEN NICHT DIREKT MIT OPTISCHEN INSTRUMENTEN.
ATTENTION-RADIATION LASER EN CAS D'OUVERTURE. NE PAS FIXER LE
FAISCEAU NI REGARDER DIRECTEMENT DES INSTRUMENTS OPTIQUES.
VARNING-LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD. STIRRA EJ IN
I STRÅLEN OCH BETRAKTA EJ STRÅLEN MED OPTISKA INSTRUMENT.
VARO ! AVATTAESSA OLET ALTTIINA LASERSÄTEILYLLE. ÄLÄ TUIJOTA
SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN LAITTEEN LAPI.
VARNING-LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD. STIRRA EJ IN I
STRÅLEN OCH BETRAKTA EJ STRÅLEN GEMON OPTISKT INSTRUMENT.
ADVARSEL-LASERSTRÅLING NÅR DEKSEL ÅPNES. STIRR IKKE INN I
STRÅLEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
ADVARSEL-LASERSTRÅLING VED ÅBNING. SE IKKE IND I STRÅLEN-
HELLER IKKE MED OPTISKE INSTRUMENTER.
SA005WJ
CLASS 1
LASER PRODUCT
CLASS III
LASER PRODUCT
(Rear of product)
- SERVICE MANUAL 1
- 1. IMPORTANT SERVICE NOTES 2
- IMPORTANT SERVICE NOTES 3
- ATTENTION 4
- 2. FEATURES 6
- 3. SPECIFICATIONS 7
- 4. PART NAMES 9
- DV-HR300U 10
- 5. DISASSEMBLY METHOD 11
- 5-2. EXTENSION CABLE DIAGRAM 13
- 5-3. Notes for servicing 14
- 5-4. Writing of software 14
- - M E M O 25
- 7. BLOCK DIAGRAMS 26
- 7-2. SUB BLOCK DIAGRAM 27
- 7-3. POWER BLOCK DIAGRAM 28
- 7-4. DV BLOCK DIAGRAM 29
- 8. SCHEMATIC DIAGRAMS 30
- DV-HR300UDV-HR300U 31
- MAIN PWB 44
- OPERATION (R) PWB 48
- OPERATION (L) PWB 49
- POWER PWB 50
- 10. REPLACEMENT PARTS LIST/ 55
- EXPLODED VIEWS 55
- CABINET EXPLODED VIEW 73
- FRONT PANEL EXPLODED VIEW 74
- 11. PACKING OF THE SET 75
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