Sirona ORTHOPHOS XG 3 DS, Руководство по обслуживанию, Страница: 137 / 578

59 38 399 D3352
D3352.076.01.13.02
07.2008
3 – 13
Tab 3 3.3 Checking the boards
3.3
3.3.1 Checking board DX32
Check operating status of board.
Visual inspection:
• Is the board intact?
Check automatic circuit breakers F101
and F102 on board DX32.
• Have the circuit breakers tripped?
Press automatic circuit breakers and
test unit function.
• Is the unit functioning properly?
The fault is corrected!
If board DX32 is visibly
damaged , replace board;
see section 6.20.
no
no
Check cable L4:
• Is the cable OK?
Replace cable L4,
see section 6.21
no
Check fuses on board DX32:
• Switch the unit OFF.
Wait 7 minutes (el. discharge).
• Check fuses F100 and F103
(HW status up to AG),
replace if necessary
• Switch unit ON and check
function.
Is the unit functioning properly?
no
Replace board DX32,
see section 6.20.
• Are LEDs V100 and V101
on board DX1 lit?
Measure voltages on DX1:
AA107/AA108 = 28 V
±
10 %
AA109/AA108 = 40 V
±
10 %
• Are the voltage levels OK?
and are the LEDs lit?
no
Board DX32 is OK.
yes
Unit hardware version < BA:
• Are LEDs V132 and V133 on board DX32 lit?
Unit hardware version
≥
BA:
• Are LEDs V111 and V112 on board DX32 lit?
yes
yes
yes
yes
yes
yes
no