31
TVS1, TVS2, TVS3, TVS4, TVS5, TVS6
TVS7, TVS8, TVS9, TVS10, TVS11, TVS12
TVS13, TVS14, TVS15, TVS16, TVS17, TVS18
Diode Voltage Droop
0.53V
Short or open
30K PFC Phase R&S Section
Checked components
Instrument function
Reference
Value
Failed
condition
Q17, Q18, Q24,Q25
(A, K)
Resistance
6M
Ω
Short
(G, K)
Resistance
33
Ω
Short
Q21,Q27, Q26,Q49
(A, K)
Resistance
10M
Ω
Short
(G, K)
Resistance
33
Ω
Short
R103,R111,R116,R158,R178,R181,R185,
R205,
Resistance
39Ω
Value change
Q22,Q23,Q29,Q32,Q37,Q38.
Q42,Q43,Q44,Q45,Q46,Q47
(E, C)
Diode Voltage Droop
0.38V
Short or open
(E, G)
Diode Voltage Droop
1.4V
Short or open
(G, E)
Resistance
17
KΩ
Short or open
R118,R120,R182,R190,R196,R197,R198,R206
,R209,R213,R216,R217
Resistance
10
Ω
Infinite or value
change
R162,R164,R174,R176,R189,R195,R200,R203
,R208,R211,R214,R215
Resistance
2.2
Ω
D33, D35,D43,D45
Diode Voltage Droop
0.38V
Short or open
D34, D36,D44,D49
Diode Voltage Droop
0.38V
Short or open
D69,D70,D71,D72
Diode Voltage Droop
0.38V
Short or open
TVS1, TVS2, TVS3, TVS4, TVS5, TVS6
TVS7, TVS8, TVS9, TVS10, TVS11, TVS12
Diode Voltage Droop
0.53V
Short or open
30k PFC Phase T Section
Checked components
Instrument function
Reference
Value
Failed
condition
Q24,Q25
(A, K)
Resistance
6M
Ω
Short
(G, K)
Resistance
33
Ω
Short
Q26,Q49
(A, K)
Resistance
10M
Ω
Short
(G, K)
Resistance
33
Ω
Short
R178,R181,R185, R205
Resistance
39Ω
Value change
Q32, Q43,Q44,Q45,Q46,Q47
(E, C)
Diode Voltage Droop
0.38V
Short or open
(E, G)
Diode Voltage Droop
1.4V
Short or open
(G, E)
Resistance
17
KΩ
Short or open
R190,R206,R209,R213,R216,R217
Resistance
10
Ω
Infinite or value
change
R164, R189, R208,R211,R214,R215
Resistance
2.2
Ω
D43,D45
Diode Voltage Droop
0.38V
Short or open
D44,D49
Diode Voltage Droop
0.38V
Short or open
D71,D72
Diode Voltage Droop
0.38V
Short or open
TVS7, TVS8, TVS9, TVS10, TVS11, TVS12
Diode Voltage Droop
0.53V
Short or open
Note:
If IGBT/SCR is OK, but the parameter is not close to the reference value, it is very possible that
Summary of Contents for G31 10K
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