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9.4. Laser Power Adjustment
Adjust each laser power: read power for reading (play) and write power for writing (record).
9.4.1. Necessary Instruments
- Laser power meter (Advantest TQ8210 or compatible meter)
- Test disc (Pre-mastered disc RFKV0006 or RFKV0014)
- Recordable disc available on sales root (with music recorded)
- Insulated driver for adjustment such as a ceramic driver
- Jitter meter
9.4.2. Set the Unit to the Adjustment Mode
1. Perform the item of "MD servo board check" in "Operation
Checks and Component Replacement Procedures", step 1 and 2.
Cautions
1. About handling the MD unit
- The magnetic head is a precision unit and is very fragile. Do
not deform it.
- Laser diode in the optical pickup may be destroyed by the
staticelectricity generated in your clothes or body. Be
especially careful with the static electricity.
- The optical pickup is structured extremely precisely. Do not
subject to the strong impact or shock. Do not touch the lens.
2. About handling the magnetic head
When replacing the magnetic head, do not tighten the mounting
screw (RHD17022) too firmly. If the screw is tightened too much
to deform the resin, the position of the head is moved, and this
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