Service manual

1(2890) A
REPAIR GUIDE
Keep touching the conductive mat while you work.
1M
!
Conductive Mat
GND
PRECAUTIONS
Chemicals
Handle chemicals of high volatility with care, use of which will affect to your health and environment.
1. Store them sealed in a specific place to prevent from exposure to high temperature or direct sunlight.
2. Avoid dividing them into small containers and prevent from vaporization.
3. Keep containers sealed when not in use.
4. Avoid using them as much as possible. When required, remove only required amount from the container
to make full use.
Plastic Parts
1. When cleaning the plastic parts, use cleaning paper or cloth. Never apply thinner, ketone, ether.
2. When installing the plastic parts, insert the specific screws vertically to the parts. (Be careful not to
tighten too much.)
PCBs
Since PCBs use MOS IC, you must reduce static electricity.
When repair a PCB itself, or when wiring, please perform your work as illustrated below.
If grounding is impossible, connect a cable to a steel desk or shelf.
: Caution and key points of assembly
: Anti-diffusion agent
: Adhesive
: Grease
: Tools
REPAIR GUIDE
Contents of this manual are in accordance with the assembly procedure.
Therefore, follow the reverse procedure when disassembling.
SYMBOLS
TABLE OF CONTENTS Page
Assy, Scan unit, Main PCB Assy Installation ..................................................................................................... 2
Focus dial, Arm, Assy, Front housing Installation ............................................................................................. 3
Measuring Instruments, Tools and Jigs .............................................................................................................. 8
Subsidiary Materials ............................................................................................................................................ 8