Chapter 6 Troubleshooting and on-board repair
MDC-2200/2500 Series
6-6
0092625002-07
6.2.2 Status indicator lamp
Three LED (Light Emitting Diodes) lamps are provided on the logic PCB in the Display unit. The
operational conditions are indicated by these LED's. Refer to the following table for details.
Table 6.4 Status indicator lamps
LED No.
Content
Operation status
LED status
DS1 Software
status
Normal ON
Error OFF
DS2 Hardware
status
Normal ON
Error OFF
DS3 FPGA
status Normal Flashing
Error ON
(OFF)
Location of status indicator lamp
Figure 6.2 Status indicator lamp location
J705 J15
DS3 DS2 DS1
Status indicator lamp
U35
U24
U3
L2
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