Table of Contents
Advertisement
12 Adjustment Procedures
12.1. Service Tools and Equipment
Application
Tilt adjustment
DVD test disc
Inspection
Extension cable (module P.C.B. to mother P.C.B.) JGS0116
Extension cable (module P.C.B. to mother P.C.B.)
Others
Screw lock
Confirmation
CD test disc
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 (such as rail).
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
generallyunnecessary after replacing in traverse unit.
12.2.2. Important points in electrical adjustment
· Follow the adjustment procedures described in this Manual.
12.3. Storing and Handling 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 disc carefully in order to maintain their flatness. Place them into their case after use and store them vertically. Store disc
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 adjustment.
4. If adjustment is done using a warped disc, the adjustment will be incorrect and some discs will not be playable.
12.4. Optical adjustment
12.4.1. Optical pickup tilt adjustment
Measurement point
Tangential adjustment screwTilt
adjustment screw
Measuring equipment
None (Main unit display for servicing is used.)
12.4.1.1. Adjustment procedure
1. Whie pressing PAUSE and OPEN/CLOSE buttons on the
main unit, press "5" on the remote control unit.
2. Confirm that "J_xxx_yyy_zz" is shown on the front display.
For your information:
"yyy" and "zz" shown to the right have nothing to do with the
All manuals and user guides at all-guides.com
Name
Hex wrench
Frease (1)
Grease (2)
Oil (1)
VCD test disc
Recovery disc
Adjustment point
T01 (inner periphery) playT43 (outer
periphery) play
Adjustment value
Adjustment to the minimum jitter value.
27
Number
DVDT-S15 or DVDT-S01
Available on sale route.
JGS0098
RZZ0L01
RFKXGAK152
RFKXGP641
RFKXGA1280
PVCD-K06 or any other commercially available disc
PVCD-K06 or any other commercially available disc
RFKZD5TR006
Mode
DVDR-S15 or DVDT-S01
jitter value. "yyy" is the error counter, while "zz" is the focus
drive value.
Note:
Jitter value appears on the front display.
3. Play test disc T01 (inner periphery).
4. Adjust tangential adjustment screw so that the jitter value is
minimized.
DVD-CP72P
Disc
Advertisement
Table of Contents
