Service manual

Revision D 4-6
Troubleshooting : Power PCB Theory
Series 2000 Treadmill
409110-004
ESD and EMI
Compatibility
The I/O connectors on the power board have current-limiting resistors,
Zener diodes, or filtering capacitors wherever possible to prevent EMI
from escaping the board. These components also limit rise-time and
voltages which may come from ESD or other noise sources.
Power Supply
Requirements
Table 4-1. Output Requirements
Voltage Nominal Voltage Test Range Maximum Current Ripple P-P
+5 V
+5.1 VDC ±5% 0.0–3.0 A 4.0 A 0.5 V
+5 V–ISO +5.1 VDC ±5% 0.0–2.0 A 4.0 A 0.5 V