Thermal Arc PRO-WAVE 300 TSW, Руководство по обслуживанию

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PRO-WAVE 300TSW
8-18 August 10, 2005
Positive lead Negative lead
Collector-Emitter of Q1, C1 C2E1 Open circuit
Q2 with PCB7, PCB8 C2E1 C1 0.2 to 0.5V
Collector-Emitter of Q1, C2E1 E2 Open circuit
Q2 with PCB7, PCB8 E2 C2E1 0.2 to 0.5V
Gate-Emitter of Q1,Q2
with PCB7, PCB8
G1 E1 Ohms 2178-2222?
Gate-Emitter of Q1, Q2
with PCB7, PCB8
G2 E2 Ohms 2178-2222?
ACCEPTABLE
VALUE
Diode Test
Diode Test
COMPONENT TESTED TERMINALS TESTER
MODE
Table 8-3: IGBT Q1, Q2 Test Points
P C B 7, 8
G 2
E 1
E 2
G 1
Art # A-05591
Figure 8-17: IGBT Q1,Q2 Test Points
C 1
C 2E 1
WK -5012
R 2
E 2
G 2
E 1
G 1
R 1
E 2
R esistors
R 1 2K 2
R 2 2K 2
are
located
on P C B
WK -5012
Art # A-05592
Figure 8-18: IGBT Q1, Q2 Circuit
Mounting Screws M5 3.5-4.5 N.m
Terminal Screws M5 2.5-3.5 N.m
IGBT Q1, Q2 Torque Values
(Refer to CAUTION Above)
Table 8-4: IGBT Q1, Q2 Torque Values