Applies to:
CAUTION: THIS ARTICLE CONTAINS INFORMATION ON TESTING POWER SUPPLIES. POWER SUPPLIES CONTAINED IN THIS UNIT HAVE BOTH LINE VOLTAGE AND HIGH VOLTAGE. CONDUCTING TESTING WITH POWER CONNECTED SHOULD ONLY BE DONE BY A TRAINED PROFESSIONAL. SEVERE INJURY OR DEATH MAY OCCUR IF TESTING IS CONDUCTED INCORRECTLY.
Digicart E / EX series units.
Symptom:
Various power / no power related issues.
Thin, horizontal line across the display. This is normally a failed or voltage issue with the linear power supply
Possible Reason(s):
Low or no voltages coming from either the main switching power supply or the linear power supply.
Solution(s):
CAUTION: POWER SUPPLIES CONTAINED IN THIS UNIT HAVE BOTH LINE VOLTAGE AND HIGH VOLTAGE ON EXPOSED RAILS. CONDUCTING TESTING WITH POWER CONNECTED SHOULD ONLY BE DONE BY A TRAINED PROFESSIONAL. SEVERE INJURY OR DEATH MAY OCCUR IF TESTING IS CONDUCTED INCORRECTLY.
Check voltages as follows:
Switching power supply: J22 connector on main board.
NOTE: When checking power on this supply, the supply must be under load.
| Pin | Color | Voltage |
| 1 | Yellow | +12V |
| 2 | Red | +5V |
| 3 | Red | +5V |
| 4 | Black | GND |
| 5 | Black | GND |
| 6 | Purple | -12V |
Linear power supply. J13 connector on main board.
| Pin | Color | Voltage |
| 1 | Red | +5V |
| 2 | Black | GND |
| 3 | Orange | +15V |
| 4 | Brown | AGND |
| 5 | Purple | -15V |