Stramatel 352 Series, Руководство по ремонту

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PROBLEM No 4:
Incomplete LED-digit
A LED-segment is missing on a digit :
no
yes
See Appendix P24
One digit is off :
no
yes
See Appendix P24
Check the connection between the
flat cable and the digit. Check the
condition of the pins of the flat
cable connector
Replace the flat cable
connector, or replace the flat
cable
Replace the flat cable.
Connection
OK ?
Check the connection between the
flat cable and the digit. Check the
condition of the pins of the flat
cable connector.
Connection
OK ?
Replace the flat cable
connector, or replace the flat
cable
Replace the LED-PCB (Check the
position sign first and replace by an
equivalent LED-PCB).