Service manual

4. DISASSEMBLY AND ASSEMBLY
Service Manual CNS-9701 4.13
To disassemble the display unit, the following tools are necessary.
- Phillips screwdriver for 3 mm in dia. screw
- Phillips screwdriver for 4 mm in dia. screw
- Hex socket driver for 1/4 inch (6.2 mm) nut
1. Put the display unit face down on a table. The table must be covered with a
clean, soft and smooth cloth to avoid damaging or making the screen dirty.
2. Remove the 12 screws (3 mm in dia.) which secure the rear cover to the front
cover.
Disassembling the Optional VL-971R Display Unit
Replacing the LCD Assembly
3. Turn the display unit face up on the table. Carefully separate the front cover
from the display unit with the touch screen flat cable connected to the display
unit.
CAUTION
If a stress is given to the touch screen flat cable, the flat cable can be
easily damaged. If the flat cable is damaged, the touch screen must be
replaced with a new one.