Carl Valentin Spectra II, Service Manual

Page: 30 / 76

Replacing Components Spectra II
30 Service Instructions 09.16
5.11 Replacing the I/O FPGA
1. Separate the I/O plate (if available) from the CPU.
The I/O FPGA is now visible.
2. Remove defective FPGA from PLCC support base with a suitable
displacement pincer.
3. Pay attention to polarity and press the new FPGA into the support
base.
5.12 Replacing the Battery
DANGER!
Danger of explosion when exchanging the battery
improper.

Pay attention to polarity.
A
Figure 13
1. Lift up the fixing bracket by means of a non-metallic device (e.g.
plastic ruler).
2. Remove the battery (A).
3. Insert a new battery (CR 2032) into the support and pay attention
to position of polarity.
NOTICE!
The battery is responsible for the current supply of the real-time
clock. After changing the battery the clock is to be set anew in
menu
Date/Time .