Axcera 79XITS-7038 Benutzerhandbuch
Check the Level II Diagnostics LEDs located on the printed circuit boards within the translator. Refer to the
Diagnostic Chart below for common symptoms and probable causes.
Diagnostic Chart below for common symptoms and probable causes.
INTERNAL BOOSTER DIAGNOSTIC II CHART
SYMPTOM
CHECK
DS1-6 GREEN LED ON SIX SECTION
BIAS
BIAS
PROTECTION BOARD NOT LIT
CHECK VOLTAGE J2-1 AND J3-1,5,6,7,8 FOR +10
VDC.
CHECK FUSES F1-F6.
CHECK VOLTAGE AT TB1-1,4 FOR +10.2 VDC.
CHECK VOLTAGE AT TB1-1,4 FOR +10.2 VDC.
DS1-5 GREEN LED
ON ±12 VDC POWER SUPPLY
BOARD NOT LIT
CHECK U1-U5 FOR +12 VDC.
CHECK A3-J1-5 FOR +18 VDC.
CHECK A2 BRIDGE RECTIFIER.
CHECK FUSE F1.
CHECK A3-J1-5 FOR +18 VDC.
CHECK A2 BRIDGE RECTIFIER.
CHECK FUSE F1.
DS6 -12 VDC GREEN LED ON ±12 VDC
POWER SUPPLY BOARD NOT LIT
CHECK U6 FOR -12 VDC. CHECK AC VOLTAGE AT
A3-J9-3 AND J9-1. CHECK FUSE F2.
#If factory assistance is needed in locating the problem, please record the status of all LED indicators,
DVM readings and signal quality measurements so that these important parameters may be related to the
Field Service Technician. Readings from the system before the problem occurred are also helpful to the
Customer Service Technician.
DVM readings and signal quality measurements so that these important parameters may be related to the
Field Service Technician. Readings from the system before the problem occurred are also helpful to the
Customer Service Technician.