Read Harman Kardon AVR 8500 (serv.man2) EMC - CB Certificate online
-
IEC 60065, 6th edition : 1998
-
- Page 44 of 44 -
Order No.
200211174
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
QR911
S-c
254,4
C - E
1 sec
F452
-
Protection circuit operated
immediately (
immediately (
RLY452, RLY453
off).
Input current stabilised at 0,02A.
No component damaged.
No hazard.
No component damaged.
No hazard.
QR911
S-c
254,4
B - E
30 min
F452
2,46 A
Normal operating.
Input current stabilised at 2,46 A.
No component damaged.
No hazard.
Input current stabilised at 2,46 A.
No component damaged.
No hazard.
Speaker
Terminal
Terminal
S-c
254,4
Front
(R-ch.)
(R-ch.)
1 sec
F452
-
Protection circuit operated
immediately (
immediately (
RLY452, RLY453
off).
Input current stabilised at 0,02A.
No component damaged.
No hazard.
No component damaged.
No hazard.
Pmax
operat.
operat.
Maximu
m non -
clipped
output
signal
m non -
clipped
output
signal
254,4
-
1 hr
12 min
12 min
F452
5,21 A
Main transformer primary winding
heated up to 122K and thermal cut-
out operated after1 hr 12 min.
Components are heated up to:
heated up to 122K and thermal cut-
out operated after1 hr 12 min.
Components are heated up to:
- Main transf. chassis
: 103K
- Sub trans f. pr. winding : 87K
- Sub trans f. core
- Sub trans f. core
: 64K
- St
-by transf
. pr. winding : 44K
- St-by transf. core
: 53K
- Line filter coil
: 135K
- D452 heat-sink
: 103K
- PWB near D452
: 65K
- Top cover on transf.
: 49K.
Dielectric strength test OK.
No hazard.
No hazard.
Top cover
opening
opening
Blocked
254,4
-
31 min
F452
2,46 A
Protection circuit operated after
31 min. (
31 min. (
RLY452, RLY453
off).
Input current stabilised at 0,02A.
No component damaged.
No hazard.
No component damaged.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
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