Service Manual
Product
Axpert Max 3600-24
Doc No.
P1911061
Version
00
PAGE
R48/R144/R140/R137
Resistor
30 ohm
Open or other values
R139/R145/R150/R152 Resistor
47 ohm
Open or other values
D5/D6/D12/D16
Resistor
+ to -: 80 ohm
- to +: OL
Short or explosion
Diode
+ to -: 0.6V
- to +: OL
Note1:
When test the diode; please remove the R139/R145/R150/R152 from the board,
ortherwise the test result is not right
Optocoupler: U1/U2/U3/U4/U12
ALL of the optocoupler are (TI/UCC23513DWYR 6/SOIC SMD)
Parts
Attribute
Reference values
Failure status
U2/U4/U12
Resistor
PIN4 TO PIN5: 0.63V
PIN4 TO PIN6: 0.43V
Short or explosion
U1/U3
Resistor
PIN4 TO PIN5: 0.63k
PIN4 TO PIN6: 0.52k
2.5 Check BATT and Main Power SPS on MAIN board
BATT
Power
SPS
The F1 is (FUSE 5A 125V)
The NTC2 is (THERMISTOR NTC 5OHM 5A SCK13055LSY)
The MOSFET Q65 is (IRF640NPBF 18A 200V N BULK TO-220)
The R246 is (RES 3W 0.15ohm)
The TX2 are (TX 2:5:45:3 FER EC28,
DMR40 )
The R245 is (RES 3W 0.15ohm)
The D61 are (MUR4100ERLG 4A 1000V UFST RAD TAP)
The D60 are (RHRP860 8A 600V SFST RAD BULK)
