Galaxy 3 Operating Manual
21
Pin #
1
2
3
4
5
14
15
16
17
18
19
13
12
11
10
9
8
7
6
D20
D5
D12
D9
D14
D1
D18
D4
D13
D6
O20
O5
O12
O9
O14
O1
O18
O4
O13
O6
T20
T5
T12
T9
T14
OB
T1
T18
T4
T13
T6
I20
I5
I12
I9
I14
IB
I1
I18
I4
I13
I6
D19
D7
D16
D8
D11
D17
D2
D15
D3
D10
O19
O7
O16
O8
O11
O17
O2
O15
O3
O10
T19
T7
T16
T8
T11
T17
T2
T15
T3
T10
I19
I7
I16
I8
I11
I17
I2
I15
I3
I10
Galaxy 3 Matrix Pinout
2. Remove catch screen from the darthead.
Screws
Web
3. Unplug the matrix ribbon
cables from the Target
Interface (TI) Board.
15” Head
Connector
13” Head
Connector
Target
Interface
Board
Matrix
Ribbons
Warning: The pins on the Target
Interface board can be bent when
excessive force is used to remove
the matrix ribbons.
Don’t unplug either matrix by
pulling on the ribbon. Unplug them
using the connectors.
4.
Go into the
Service
menu on the Galaxy 3.
5.
Select
Diagnostics
.
6.
Select
Target Test
.
7.
Use a jumper and the chart below to test the individ-
ual pin combinations.
Note: As stated earlier, this test can only be performed
from the 15” side.
If you follow the chart below, keeping in mind where the
Pin 1 positions for each target are, you will get the results
you are looking for. More information on where pin 1 is
for each matrix connector is, refer to the diagram
TI
Board Top View
on this page or
Section 3.6
on page 5.
Note: You can only do this test from
the 15” side. There is no way to
easily access the Target Interface
Board from the 13” side. This
instructional will show you how to
test both sides from the 15” side.
TI Board Top View
15” Darthead Pins
19
18
17
16
15
14
13
12
9 10 11
3
4
5
6
7
8
2
1
1
2
3
4
5
6
7
8
11 10 9
17 16 15 14 13 12
18
19
13” Darthead Pins
Note: Only use the pins in the same row when testing the Target
Interface Board. Nothing bad will happen. Your readings will
just be inaccurate.
Содержание galaxy 3
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