Technician's instructions KaVo In eXam 3510
4 Troubleshooting for service
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4.2 Measurements
4.2 Measurements
4.2.1 Voltage measurement on the mainboard
Test point
[name]
Test point [name]
Range
23 [GND] 15 [+ 36 V]
30 VDC < ...< 41 VDC
23 [GND] 16 [+ 12 V (LD 2)]
11.4 VDC < ...< 12.6 VDC
23 [GND] 17 [+ 5 V (LD 3)]
5.3 VDC < ...< 5.9 VDC
11 [0 V]
9 [+ 15 V (LD 1)]
13.5 VDC < ...< 15 VDC
(only measurable during the exposure)
11 [0 V]
12 [+ 5 VIN]
4.8 VDC < ...< 5.4 VDC
(only measurable during the exposure)
25 [GND] 24 [V
heat
]
3 VDC < ...< 4 VDC
(only measurable during the exposure)
20 [0 mA] 21 [RTN mA] Setting: 4mA
3.4 VDC < ...< 4.6 VDC
(only measurable during the exposure)
20 [0 mA] 21 [RTN mA] Setting: 7mA
6 VDC < ...< 8 VDC
(only measurable during the exposure)
Note
If at least one value lies outside of the tolerance range, the supply electronics must
be exchanged.
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