12 Measurements and Adjustments
12.1. Service Tools and Equipment
Application
Name
Number
Tilt adjustment
DVD test disc
DVDT-S20 [SPG]
TORX screw driver (T6)
Available on sales route. (T6) or
RFKZ0185 [SPG]
Others
Grease
RFKXPG641 [SPG]
Confirmation
CD test disc
PVCD-K06 or any other commercially
available disc
VCD test disc
PVCD-K06 or any other commercially
available disc
Recovery disc
RFKZD03R005 [SPG]
12.2. Important points in adjustment
12.2.1. Important points in optical adjustment
·
Before starting optical adjustment, be sure to take anti-static measures.
·
Optical pickup tilt adjustment is needed after replacement of the following components.
1. Optical pickup unit
2. Spindle motor unit
3. Optical pickup peripheral parts
Notes
Adjustment is generally unnecessary after replacing other parts of the traverse unit. However, make adjustment if there is a
noticeable degradation in picture quality. Optical adjustments cannot be made inside the optical pickup. Adjustment is generally
unnecessary after replacing the traverse unit.
12.2.2. Important points in electrical adjustment
·
Follow the adjustment procedures described in this manual.
12.3. Storing and handling of test discs
·
Surface precision is vital for DVD test discs. Be sure to store and handle them carefully.
1. Do not place discs directly onto the workbench, etc., after use.
2. Handle discs carefully in order to maintain their flatness. Place them into their case after use and store them vertically. Store
discs in a cool place where they are not exposed to direct sunlight or air from air conditioners.
3. Accurate adjustment will not be possible if the disc is warped when placed on a surface made of glass, etc. If this happens, use
a new test disc to make optical adjustments.
4. If adjustment is done using a warped disc, the adjustment will be incorrect and some discs will not be playable.
41
SA-HT340E / SA-HT340EB / SA-HT340EG
Содержание SA-HT340E
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Страница 8: ...3 Precaution of Laser Diode 8 SA HT340E SA HT340EB SA HT340EG ...
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Страница 13: ...7 Operation Procedures 7 1 Remote Control Keys Operation 13 SA HT340E SA HT340EB SA HT340EG ...
Страница 16: ...7 4 Disc information 7 4 1 Disc playability Media 16 SA HT340E SA HT340EB SA HT340EG ...
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Страница 29: ...9 1 Disassembly Flow Chart 9 2 Main Components and P C B Locations 29 SA HT340E SA HT340EB SA HT340EG ...
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