Yokogawa YTA320 - Manual (Page 31)

<6. Maintenance>
6-3
IM 01C50B01-01E
6.3. Replacement of Built-in Indicator
 Removal of built-in indicator
1. Remove the cover.
2. Loosen two mounting screws while using your
hand to support the built-in indicator.
3. Remove the LCD assembly from the CPU
assembly. At this time, straighten and pull the
LCD assembly forward so that the connector
connecting the CPU assembly and the LCD
assembly is not damaged.
 Mounting the built-in indicator
Integral Indicator can be installed in the following
three directions.
F0603.ai
Figure 6.4 Installation Direction of Indicator
1. Place the LCD assembly in desired direction
over the CPU assembly.
2. Align the mounting hole of the LCD assembly
with the stud bolt hole, and carefully insert the
indicator into the connector in a straight manner
so that the connector is not damaged.
3. Tighten the two mounting screws that secure
the indicator.
4. Install the cover.
6.3.2 Replacement of CPU Assembly
 Removal of CPU assembly
1. Remove the cover.
2. Use a Phillips screwdriver to loosen the two
screws.
3. For a CPU assembly with a built-in indicator,
remove it as described in Section 6.3.1. Next
loosen the two stud bolts.
4. Pull the CPU assembly directly toward you.
5. Remove the cable (with a brown connector
attached at the head).
NOTE
Use care not to apply excessive force to the CPU
assembly during removal.
 Mounting the CPU assembly
1. Connect the cable with the CPU assembly.
2. Align the pin on the base board with the
connector (black) of the CPU assembly, and
insert the CPU assembly straight into the board.
IMPORTANT
Use care not to pinch the cable under the cover,
and fully insert the cable into the case.
3. Loosen the two screws. If the unit includes a
builtin indicator, install it as described in Section
6.3.1.
4. Mount the cover.