Axpert Max 7200 - Check BATT and Main Power SPS

维修手册
专案名称：
Axpert Max 7200-48
专案编号：
P1911061
修订版次：
00
PAGE
V-RDP-004-73 A
R48/R53/R144/R153/
R140/R218/R137/R229
Resistor 30 ohm Open or other values
Optocoupler: U1/U2/U3/U4/U12
ALL of the optocoupler are (TI/UCC23513DWYR 6/SOIC SMD)
Parts Attribute Reference values Failure status
U1/U2/U3/U4/U12 Diode PIN4 TO PIN5: 0.63V
PIN4 TO PIN6: 0.425V
Short or explosion
U2/U4/U12/ U1/U3 Resistor PIN4 TO PIN5: 198.4k
PIN4 TO PIN6: 160.7k
3.5 Check BATT and Main Power SPS on MAIN board
BATT Power SPS&Main Power SPS
The Q36 is (MOSFET IR/IRFP4227PBF 46A 200V N BULK TO-247)
The Q6 is (MOSFET IR/IRF840 8A 500V N BULK TO-220)
The U10 is (IC PWM CNTL ON/UC3845BNG DIP-8)
The D17 is (D IO/HER303 3A 200V UFST AXI DO-27 TAP)
The TX9 is (TX 5:5:5:3:1:6 FER EC35)
The TX2 is (TX 15:200:15 FER EEL16)
The R215 is (RES 3W 0.15 J N-IND
The R251 is (RES 2W 0.62 J RAD KINK N-IND TAP)
The D65 is (RHRP8120 8A 1200V )
The D70 is (ER802F 8A 200V)
The D67 is (ER802F 8A 200V)
The D54 is (ER802F 8A 200V)
The U20 is (IC LIN ST/L7912CV 3P/TO-220)
The U5 is (IC LIN ON/MC78M05CDTRKG DPAK-3 SMD)