Power Supply Voltage Checks And Fuses; Processor Board Voltage Checks - GE T2100 Service Manual

Power Supply Voltage Checks and Fuses

Processor Board Voltage Checks

Signal Name
+5V_ISO
+3.3V_ISO
+VUNREG
+5.1V
+24V
Also verify that U15, pin 8, has 8.2 VDC (+/- 5%)
Processor Board Voltage Check Test Points
TP2, TP3, TP4
TP8
Revision A
Troubleshooting: Power Supply Voltage Checks and Fuses
With the power on, remove the side panel on the electronics box to
measure the system's supply voltages as stated below. Remove the
shroud and e-box cover to view the LEDs and fuses.
Nominal value Test range
+5.1 VDC
+3.3 VDC
+11.5 VDC
+5.1 VDC
+24 VDC
GE T2100 Treadmill
2021403-031
Test point
+/- 5% TP6
+/- 5% TP1
+/- 5% TP5
+/- 5% TP8
+/- 5% TP2
TP1
B
B
Reference
ISOGND TP7
ISOGND TP7
ISOGND TP7
DGND TP4
GND_24V TP3
TP5, TP6, TP7
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