Diesse VES-MATIC EASY, Руководство по обслуживанию

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Service Manual
[27/76] 21 Rev.1.1 of 15/04/2017
4.2.3. Access to single modules
a) Turn off the instrument and disconnect from the power supply.
b) Access the unit as indicated in paragraph 2.4.
c) Unscrew the 4 screws M3x12 (Pos.203-Tab.30003800) and disassemble the analysis handling unit
30208221 (Pos.004-Tab.30003800) and the printer unit 30208230 (Pos.005-Tab.30003800).
d) Unscrew the 6 screws M3x8 (Pos.202-Tab.30003800) anchoring the Ves-Matic CPU 10 / Easy
board, code 30119871 (Pos.100-Tab.30003800) to the front panel (Pos.002-Tab.30003800).
e) Disconnect the wires connected to the board and proceed with the replacement of a new CPU.
f) Repeat the above steps in reverse to reassemble instrument.
In the event of replacing CPU board it will be necessary to carry out a new CALIBRATION
and FINE TUNING of the instrument (Chapter 3)
4.3. VES EASY CONNECTION BOARD
4.3.1. Description of the module
The Ves-Matic 10 / Easy connection module consists principally of the integrated LM7805 that generates
5Vdc on the board, necessary for the functioning of the CPU board.
Moreover, there is also a power supply connection for the printer on the board, and the connectors for
interfacing with external equipment [USB-EXTERNAL BARCODE].
4.3.2. Applicable documentation
20010140 VES MATIC 10 / EASY interconnection diagram (6.4.)
20103311 Electrical diagram of the VES MATIC 10 / EASY CONNECTIONS (7.2.)
30120011 Layout of the VES MATIC 10 / EASY CONNECTION BOARD (7.2.)
4.3.3. Access to single modules
a) Turn off the instrument and disconnect from the power supply.
b) Access the unit as indicated in paragraph 2.4.
c) Unscrew the 2 screws M3x8 UNI5931 (Pos.206-Tab.30003800) and the screw M3x6 UNI5931
(Pos.205-Tab.30003800) to remove the Connection Board (Pos.101-Tab.30003800).
d) Proceed with the replacement of the board.
e) Repeat the above steps in reverse to reassemble the instrument.
During the reassembly phase pay attention to the spacer rings (Pos.201-Tab.30003800)
for isolating the board from the metal brackets of the rear unit 30208611 (Pos.001-
Tab.30003800)