4. The half-fixed resistor for laser power adjustment cannot be
adjusted. Do not turn the resistor.
12. Disassembly and Main Component Replacement
Procedures
“ATTENTION SERVICER”
Some chassis components may have sharp edges.
Be careful when disassembling and servicing.
1. This section describes procedures for checking the operation of
the major printed circuit boards and replacing the main
components.
2. For reassembly after operation checks or replacement, reverse
the respective procedures.
Special reassembly procedures are described only when required.
3. Select items from the following index when checks or
replacement are required.
Contents
- Checking for DVD B/E Module (1/2) and Power P.C.B.
- Checking for Panel P.C.B. and Switch P.C.B.
- Checking for DVD Module (1) P.C.B., CD Loading P.C.B., ASP
P.C.B., DSP P.C.B. and Input P.C.B.
- Checking for DVD REG P.C.B.
- Checking for Main P.C.B.
- Replacement of the Power IC
- Replacement of DVD Traverse Unit
- Replacement for the disc tray
- Disassembly and reassembly for mechanism base drive unit
- Replacement for the motor ass’y
Warning:
This product uses a laser diode. Refer to caution statement
Precaution of Laser Diode.
12.1. Checking for DVD B/E Module (1/2) and Power P.C.B.
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