Chapter 6: Illustrated Parts
Test Points
6-36 Service Manual
6.12 Test Points
The DC voltage generated on Control and Power PCAs shall meet the following requirements:
• The following are derived from the 3.3V input voltage: 1.8V ± 3%, 2.5V ± 2%, 3.3V+0.2V/-0V
• The following are derived from the 12V input voltage: ISO5V ± 5%, 5.0V ± 4%, 3.3VSTBY ± 2%, 12V ±
5%, 5V -ni ± 5%
6.12.1 Control Board
TP 1, 2
TP Value
1 +3.3V (analog)
2 Ground (analog)
3 +2.5V (digital)
4 Ground (digital)
5 +1.8V (digital)
6 +5V (isolated)
10 Ground (isolated)
7 +12V (digital)
8 Ground (digital)
9 +3.3V (digital)
11 Ground (digital)
12 +5V (digital)
13 +3.3V (standby
TP 3, 4, 5
TP 7, 8, 9
TP 6, 10
TP 11, 12
TP 13
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