Voltronic Power Axpert MKS-4000, Руководство по обслуживанию

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Axpert MKS-4000/KS-5000 Service manual
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6.4 Quick start
Before any detail check of the system, please check the components listed as follow table.
NOTE: It is important to check the capacitor’s voltage on the board lower than the safety voltage before
any check action.
Functional
block
Checked components
Instruction
function
Reference value Failed status
DC-DC Converter
Fuse F1/F2/F3/F4/F5 Resistance 0.14 ohm short or open
MOSFET(IRFB3307)
Q13/Q18/Q23/Q19
Q11/Q17/Q20/Q24
Q38/Q21/Q22/Q12
Q40/Q26/Q25/Q14
Resistance
>490k DS short or open
271k GD short or open
11.74k GS short or open
Diode(30DQ60BG) D13 Resistance
>24K short or open
Driver NPN /PNP
Q51/Q52/Q54/Q56
Resistance
11.9K PIN1-2 short or open
Q50/Q53/Q55/Q57
11.9K PIN1-3 short or open
BUCK MOS Q32/Q31 Resistance
>280K DS short or open
39K GD short or open
17K GS short or open
Driver IC UC3525 Resistance
>400K
PIN14-PIN13/12
PIN12-PIN13/11 short or open
IGBT(IRGP4063) Q27/Q28/Q29/Q30 Resistance
>340K CE short or open
184K GC short or open
22.5 ohm GE short or open
Resistance
R52/R62/R81/R64
R41/R59/R70/R76
R80/R78/R75/R42
R93/R92/R87/R533
R91/R96/R102/R101
Resistance
22 ohm short or open
R55/R60/R79/R63
R45/R58/R68/R69
R77/R73/R74/R46
R86/R85/R88/R56
R95/R89/R100/R101
Resistance
47K short or open
R1/R4/R47/R20
R51/R49/R61/R54
Resistance
10 ohm short or open
R17/R44/R50/R57 Resistance 200 ohm short or open