Read Harman Kardon AVR 3550 (serv.man13) EMC - CB Certificate online
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IEC 60065, 6th edition : 1998
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- Page 38 of 40 -
Order No.
200219130
FAULT CONDITION TESTS (continued)
P
Comp.
No
No
Fault
Test V
Position
Test time Fuse No
Current
through
fuse
through
fuse
Mains power/temperatures/results
Q621
S-c
254,4
B - E
30 min
F902
F903
F904
F903
F904
1,58 A
Front L channel output off
immediately.
Input current stabilised at 1,33 A.
No component damaged.
No hazard.
immediately.
Input current stabilised at 1,33 A.
No component damaged.
No hazard.
Q611
S-c
254,4
B - C
30 min
F902
F903
F904
F903
F904
1,62 A
Normal operating.
Input current stabilised at 1,60A.
No component damaged.
No hazard.
Input current stabilised at 1,60A.
No component damaged.
No hazard.
Q611
S-c
254,4
C - E
30 min
F902
F903
F904
F903
F904
1,61 A
Normal operating.
Input current stabilised at 1,60A.
No component damaged.
No hazard.
Input current stabilised at 1,60A.
No component damaged.
No hazard.
Q611
S-c
254,4
B - E
30 min
F902
F903
F904
F903
F904
2,70 A
Protection circuit operated (pr.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01 A.
No component damaged.
No hazard.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01 A.
No component damaged.
No hazard.
Q661
S-c
254,4
C - E
30 min
F902
F903
F904
F903
F904
-
Protection circuit operated (pr.
relay, RY94 off) immediately.
R656 opened.
Q611, Q657 shorted.
R646, R651, R656 damaged.
Input current stabilised at 0,01A.
No hazard.
relay, RY94 off) immediately.
R656 opened.
Q611, Q657 shorted.
R646, R651, R656 damaged.
Input current stabilised at 0,01A.
No hazard.
Q661
S-c
254,4
B - C
30 min
F902
F903
F904
F903
F904
1,85 A
Protection circuit operated (pr.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01 A.
No component damaged.
No hazard.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01 A.
No component damaged.
No hazard.
Q626
S-c
254,4
C - E
30 min
F902
F903
F904
F903
F904
1,93 A
Protection circuit operated (pr.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01 A.
No component damaged.
No hazard.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01 A.
No component damaged.
No hazard.
Q626
S-c
254,4
B - E
30 min
F902
F903
F904
F903
F904
1,17 A
Front L channel output off
immediately.
Input current stabilised at 1,33 A.
No component damaged.
No hazard.
immediately.
Input current stabilised at 1,33 A.
No component damaged.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
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