Micro Sdcard Replacement; Battery Replacement - Janz Tec emVIEW-7/RPI3 Hardware Manual

emVIEW-7/RPI3 (Hardware and Software Manual) • Maintenance
4.1 icroSD card Replacement
NOTICE
Power must be turned off before removing or inserting the microSD card
Refer to Fehler! Verweisquelle konnte nicht gefunden werden. to identify the location of the
microSD card. Remove the SD card bracket. The microSD card is hidden by the internal display cable.
Gently pull the display cable out, to be able to remove/install the microSD card.
4.2 Jumper Settings
Refer to figure 7 for the screws related to CPU top cover removal.
NOTICE
Do not damage the display cable when removing the CPU top cover.
When the top cover is removed, you can access the jumpers. After modification, re-mount the top
cover.
4.3

Battery Replacement

CAUTION
The installed computer board is equipped with a Lithium battery.
Danger of explosion if battery is incorrectly replaced. Replace only with battery of the
same or equivalent type (3-volt lithium coin cell battery).
•
Do not attempt to recharge the battery.
•
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire
or water.
Compatible battery type: CR2032 (3 Volt lithium coin cell battery)
The battery is used for backing up the system time when the power supply is removed.
1. Turn off the computer properly through the operating system, then turn off any external
devices.
2. Disconnect the power supply from the power inlet and disconnect any external devices.
3. Disassemble the housing (refer chapter 4) and locate the battery on the Janztec board.
4. Remove the battery from the holder (See figure 8)
5. Insert the new battery (See figure 8)
6. Re-assemble the housing
7. See chapter 5.2.4.4 for important software information
Rev. 1.0
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