Harman Kardon AVR 3550 (serv.man13) EMC - CB Certificate ▷ View online
-
IEC 60065, 6th edition : 1998
-
- Page 37 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
C922
S-c
254,4
-
30 min
F902
1,59 A
Output signal off immediately.
Input current stabilised at 0,43A.
No component damaged.
No hazard.
Input current stabilised at 0,43A.
No component damaged.
No hazard.
IC92
S-c
254,4
Pin 2 - 3
30 min
F902
1,65 A
Normal operating.
Input current stabilised at 1,63A.
No component damaged.
No hazard.
Input current stabilised at 1,63A.
No component damaged.
No hazard.
C924
S-c
254,4
-
30 min
F902
-
Protection circuit operated (pr.
relay, RY94 off) after 5 sec.
Input current stabilised at 0,01A.
No hazard.
relay, RY94 off) after 5 sec.
Input current stabilised at 0,01A.
No hazard.
C915
S-c
254,4
-
30 min
F902
F903
F904
F903
F904
-
F903, F904 opened immediately.
Input current stabilised at 0,18A.
No hazard.
Input current stabilised at 0,18A.
No hazard.
C915
S-c
207
-
30 min
F902
F903
F904
F903
F904
-
F903, F904 opened immediately.
Input current stabilised at 0,16A.
No hazard.
Input current stabilised at 0,16A.
No hazard.
Q657
S-c
254,4
C - E
30 min
F902
F903
F904
F903
F904
-
Protection circuit operated (pr.
relay, RY94 off) after 4 sec.
F903, F904 opened.
Q601, Q611, Q626, Q657, Q661
shorted.
Input current stabilised at 0,01A.
No hazard.
relay, RY94 off) after 4 sec.
F903, F904 opened.
Q601, Q611, Q626, Q657, Q661
shorted.
Input current stabilised at 0,01A.
No hazard.
Q657
S-c
207
C - E
30 min
F902
F903
F904
F903
F904
-
Protection circuit operated (pr.
relay, RY94 off) after 4 sec.
F903, F904 opened.
Input current stabilised at 0,01A.
No hazard.
relay, RY94 off) after 4 sec.
F903, F904 opened.
Input current stabilised at 0,01A.
No hazard.
Q657
S-c
254,4
B - C
30 min
F902
F903
F904
F903
F904
2,18 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.
Q621
S-c
254,4
C - E
30 min
F902
F903
F904
F903
F904
2,38 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.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
-
IEC 60065, 6th edition : 1998
-
- 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
-
IEC 60065, 6th edition : 1998
-
- Page 39 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
D901
S-c
254,4
A - C
14 min
F902
0,03 A
Pr. relay RY94 off immediately.
Input current stabilised at 0,03A.
Sub-transformer pr. winding heated
up to 121K and thermal fuse opened
after 14 min.
Dielectric strength test OK.
No hazard.
Input current stabilised at 0,03A.
Sub-transformer pr. winding heated
up to 121K and thermal fuse opened
after 14 min.
Dielectric strength test OK.
No hazard.
C906
S-c
254,4
-
13 min
F902
0,03 A
Pr. relay RY94 off immediately.
Input current stabilised at 0,03A.
Sub-transformer pr. winding heated
up to 123K and thermal fuse opened
after 13 min.
Dielectric strength test OK.
No hazard.
Input current stabilised at 0,03A.
Sub-transformer pr. winding heated
up to 123K and thermal fuse opened
after 13 min.
Dielectric strength test OK.
No hazard.
IC94
S-c
254,4
Pin 1 - 2
2 hr
F902
1,64 A
Normal operating.
No component damaged.
No hazard.
No component damaged.
No hazard.
C907
S-c
254,4
-
1 hr
F902
0,02 A
Pr. relay RY94 off immediately.
Input current stabilised at 0,02A.
No component damaged.
No hazard.
Input current stabilised at 0,02A.
No component damaged.
No hazard.
C911
S-c
254,4
-
12 min
F902
0,03 A
Pr. relay RY94 off immediately.
Input current stabilised at 0,03A.
D902 damaged.
Sub-transformer pr. winding heated
up to 125K and thermal fuse opened
after 12 min.
Dielectric strength test OK.
No hazard.
Input current stabilised at 0,03A.
D902 damaged.
Sub-transformer pr. winding heated
up to 125K and thermal fuse opened
after 12 min.
Dielectric strength test OK.
No hazard.
Top
cover
opening
cover
opening
Blocked
254,4
-
10 min.
F902
F903
F904
F903
F904
1,62 A
Components are heated up to;
- Main transf. winding
- Main transf. winding
: 55K
- Main transf. core
: 50K
- Sub transf. pr. winding : 42K
- Sub transf. core
- Sub transf. core
: 36K
- PWB near D909
: 68K
- C917 body
: 26K
- TR, Q657 body
: 50K
and protection circuit operated (pr.
relay, RY94 off) after 10 min.
Dielectric strength test OK.
No hazard.
relay, RY94 off) after 10 min.
Dielectric strength test OK.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
-
IEC 60065, 6th edition : 1998
-
- Page 40 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
Speaker
terminal
(Front)
terminal
(Front)
S-c
254,4
L - G
4 sec
F902
F903
F904
F903
F904
-
Protection circuit operated (pr.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01A.
No component damaged.
No hazard.
relay, RY94 off) after 4 sec.
Input current stabilised at 0,01A.
No component damaged.
No hazard.
Pmax
operat.
operat.
Maximu
m non -
clipped
output
signal
m non -
clipped
output
signal
254,4
-
4 min.
F902
F903
F904
F903
F904
3,41 A
F903, F904 opened after 4 min.
Input current stabilised at 0,18A.
No hazard.
Input current stabilised at 0,18A.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
Click on the first or last page to see other AVR 3550 (serv.man13) service manuals if exist.