MTR 221 ACS - MTR 221 ACS DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
S
UBSTITUTIONS
115
Model R 221 ACS - R 221 ACS DHHS
MT
R
2
21
ACS
-
MTR
2
21
AC
S DHH
S - Substitutions
S
UBSTITUTION
OF
THE
E
LECTRONIC
B
OARD
FOR
LED
The PCB Substitution Kit is composed of the following
components: the board (
A
), an extension cable (
B
)*
and 8 jumpers (
C
), pictured in opposite
Fig. PCB
Substitution Kit
.
This Kit is designed to substitute the
previous version of the timer board for LED.
(B)* - The extension cable is added only if the
collimator model is equipped with the additional
filtration and with the indicator diode place on the
front panel. In other cases, is useless and it will
not be added to the PCB Substitution Kit.
To substitute the timer board, proceed as follows:
1. Disconnect the collimator supply.
2. Remove the cover, see Chapter
C
OVER
R
EMOVAL
in the Instruction Manual for your specific model.
3. Prior to disconnecting the cables from the board,
identify the cables and their position on the termi-
nal board, see Chapter
I
NSTALLATION
, paragraph
Wiring Diagram in the Instruction Manual for your
specific model
4. Carefully remove the timer board, the extension
cable and the
jumpers from their packaging.
The next 3 steps are applicable only to the collimator
equipped with the additional filtration and the indicator
diode placed on the front panel.
• Insert the extension cable (
B
) in the J4
connector, placed on the new timer board,
see
Fig. Extension Cable.
• Detach the connector from the faulty timer
board, see
Fig. Connector Removal
below.
• Connect the unplugged connector to the
extension cable (
B
), see
Fig. Extension
Cable Connection
below
.
5. Remove the 2 screws holding the timer board.
6. Install the new timer board by proceeding in a reverse order; pay particular attention to the
connection of the cables on the 2 or 8-way electric terminal.
7. Correctly set up the board by using the 8 jumpers (
C
) according to the Wiring Diagram. See
Chapter
I
NSTALLATION
, paragraph Wiring Diagram and
GC-LED-4A
in the Instruction Man-
ual for your specific model for further information.
8. Remount the covers in reverse order, see Chapter
C
OVER
R
EMOVAL
.
9. Verify the Light Field/X-Ray field correspondence, see Chapter
C
ALIBRATION
.
Fig. PCB Substitution Kit
Fig. Extension Cable
Содержание R 221 ACS DHHS Series
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